DETAIL VIEW: lavaka_99.jpg COLLECTION: LavakaImages_DC2014_003_092 ABSTRACT: Eroded septate in lightly active stage III lavaka, Field Number B33, UTM Easting 691352, UTM Northing 7905520, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_98.jpg COLLECTION: LavakaImages_DC2014_003_091 ABSTRACT: Eroded septae in side wall of lavaka, preserving the former hillslope surface on their grassy tops, Field Number Z19, UTM Easting 203350, UTM Northing 8057146, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Gress, … Continue reading →

DETAIL VIEW: lavaka_97.jpg COLLECTION: LavakaImages_DC2014_003_090 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_96.jpg COLLECTION: LavakaImages_DC2014_003_089 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_95.jpg COLLECTION: LavakaImages_DC2014_003_088 ABSTRACT: Eroded septae in old lavaka complex, Field Number Y58, UTM Easting 204058, UTM Northing 8057845, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_94.jpg COLLECTION: LavakaImages_DC2014_003_087 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_93.jpg COLLECTION: LavakaImages_DC2014_003_086 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_921.jpg COLLECTION: LavakaImages_DC2014_003_456 ABSTRACT: Young lavaka with vertically-dropped, non-rotational block on left side, Tyler Corson-Rikert, Field Number B58, UTM Easting 699702, UTM Northing 7906750, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_920.jpg COLLECTION: LavakaImages_DC2014_003_455 ABSTRACT: Young Eucalyptus growing on walls of active lavaka, Fara Rasoazanamparany, Field Number Y48, UTM Easting 200525, UTM Northing 8056058, UTM Zone 39K TOPIC: Eucalyptus,walls,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_92.jpg COLLECTION: LavakaImages_DC2014_003_085 ABSTRACT: Eroded radial septae in stage III lavaka, Field Number B53, UTM Easting 689670, UTM Northing 7907214, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_919.jpg COLLECTION: LavakaImages_DC2014_003_454 ABSTRACT: Young active lavaka with grottoes in headwall, Field Number B49, UTM Easting 700791, UTM Northing 7900714, UTM Zone 38K TOPIC: erosion,caves LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_918.jpg COLLECTION: LavakaImages_DC2014_003_453 ABSTRACT: Young active lavaka downslope from mature tree stand. No enhanced erosion associated with cattle tracks to right, Field Number B49, UTM Easting 700791, UTM Northin 7900714, UTM Zone 38K TOPIC: erosion,trees,cattle LOCATION: Madagascar–Miarinarivo AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_917.jpg COLLECTION: LavakaImages_DC2014_003_452 ABSTRACT: Young active and old inactive lavaka in convex hillslope with rice terraces in foreground, Field Number B75, UTM Easting 689387, UTM Northing 7901069, UTM Zone 38K TOPIC: erosion,mountains,Rice–Planting LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_916.jpg COLLECTION: LavakaImages_DC2014_003_451 ABSTRACT: Within a grotto: vertical cracks, erosion, and clay painting, UTM Zone 38K TOPIC: caves,Rocks–Cracking,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_915.jpg COLLECTION: LavakaImages_DC2014_003_450 ABSTRACT: Within a grotto: vertical cracks, erosion, and clay painting, UTM Zone 38K TOPIC: caves,Rocks–Cracking,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_914.jpg COLLECTION: LavakaImages_DC2014_003_449 ABSTRACT: Within a grotto: vertical cracks, erosion, and clay painting, UTM Zone 38K TOPIC: caves,Rocks–Cracking,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_913.jpg COLLECTION: LavakaImages_DC2014_003_448 ABSTRACT: Within a grotto: vertical cracks, erosion, and clay painting, UTM Zone 38K TOPIC: caves,Rocks–Cracking,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_912.jpg COLLECTION: LavakaImages_DC2014_003_447 ABSTRACT: Weathering of sidewall, Field Number C23, UTM Easting 694055, UTM Northing 7904102, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_911.jpg COLLECTION: LavakaImages_DC2014_003_446 ABSTRACT: Weathered/eroded roadcut and old, slightly active lavaka, Field Number C33, UTM Easting 697741, UTM Northing 7903740, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_910.jpg COLLECTION: LavakaImages_DC2014_003_445 ABSTRACT: Weathered vegetated lavaka has cut back to ridge crest, Heritiana Rakotondramazava, Field Number C30, UTM Easting 697530, UTM Northing 7903804, UTM Zone 38K TOPIC: erosion,mountains LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_91.jpg COLLECTION: LavakaImages_DC2014_003_084 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_909.jpg COLLECTION: LavakaImages_DC2014_003_444 ABSTRACT: Weathered and eroded septae in stage III lavaka, Field Number B3, UTM Easting 694046, UTM Northing 7905824, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_908.jpg COLLECTION: LavakaImages_DC2014_003_443 ABSTRACT: Weathered and eroded septae in stage III lavaka, Field Number C61, UTM Easting 699636, UTM Northing 7904972, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_907.jpg COLLECTION: LavakaImages_DC2014_003_442 ABSTRACT: View toward outfall of early stage V lavaka, Field Number Y32, UTM Easting 203058, UTM Northing 8061869, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_906.jpg COLLECTION: LavakaImages_DC2014_003_441 ABSTRACT: View to headwall from vegetated base of barely active lavaka lobe, Field Number Y58, UTM Easting 204058, UTM Northing 8057845, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_905.jpg COLLECTION: LavakaImages_DC2014_003_440 ABSTRACT: View into widened outfall of large stage III lavaka complex, with fields, Field Number B3, UTM Easting 694046, UTM Northing 7905824, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_904.jpg COLLECTION: LavakaImages_DC2014_003_439 ABSTRACT: View into cultivated outfall valley from sidewall of stage III lavaka, with vegetated sidewalls and flat lavaka floor, Field Number B38, UTM Easting 689923, UTM Northing 7906276, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo … Continue reading →

DETAIL VIEW: lavaka_903.jpg COLLECTION: LavakaImages_DC2014_003_438 ABSTRACT: View into active stage III lavaka: recent wallfalls form debris apron against headwall in distance, Field Number B52, UTM Easting 689602, UTM Northing 7907761, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_902.jpg COLLECTION: LavakaImages_DC2014_003_437 ABSTRACT: View from vegetated outfall of recently reactivated lavaka, Field Number Y53, UTM Easting 202583, UTM Northing 8053327, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_901.jpg COLLECTION: LavakaImages_DC2014_003_436 ABSTRACT: View from vegetated outfall of eroded septum and vertical headwall, Field Number Z53, UTM Easting 201179, UTM Northing 8054054, UTM Zone 39K TOPIC: walls,erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_900.jpg COLLECTION: LavakaImages_DC2014_003_435 ABSTRACT: View from valley into lavaka, showing narrow incised outfall, vertical upper walls (mostly bare) and vegetated debris aprons, Field Number L9, UTM Easting 7902724, UTM Northing 799428, UTM Zone 38K TOPIC: erosion,walls LOCATION: Madagascar … Continue reading →

DETAIL VIEW: lavaka_90.jpg COLLECTION: LavakaImages_DC2014_003_083 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_9.jpg COLLECTION: LavakaImages_DC2014_003_002 ABSTRACT: Active head and sidewall erosion, Field Number C61, UTM Easting 699636, UTM Northing 7904972, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_899.jpg COLLECTION: LavakaImages_DC2014_003_434 ABSTRACT: View from top of stage V lavaka toward younger lavaka developed in flank, Field Number Y32, UTM Easting 203058, UTM Northing 8061869, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_898.jpg COLLECTION: LavakaImages_DC2014_003_433 ABSTRACT: View from outfall of v-shaped inactive lavaka, Tyler Corson-Rikert, Field Number B22, UTM Easting 693786, UTM Northing 7906309, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_897.jpg COLLECTION: LavakaImages_DC2014_003_432 ABSTRACT: View from outfall of stage V lavaka with newer lavaka developed on right wall, Field Number Y32, UTM Easting 203058, UTM Northing 8061869, UTM Zone 39K TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_896.jpg COLLECTION: LavakaImages_DC2014_003_431 ABSTRACT: View from outfall of barely active stage III lavaka, no recent sediment, v-shaped profile, Field Number B60, UTM Easting 699515, UTM Northing 7906629, UTM Zone 38K TOPIC: erosion,Sedimentation and deposition LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, … Continue reading →

DETAIL VIEW: lavaka_895.jpg COLLECTION: LavakaImages_DC2014_003_430 ABSTRACT: View from outfall of barely active lavaka, with few bare patches on upper walls, and fields in base. Field Number Y58, UTM Easting 204058, UTM Northing 8057845, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar … Continue reading →

DETAIL VIEW: lavaka_894.jpg COLLECTION: LavakaImages_DC2014_003_429 ABSTRACT: View from outfall into stage III multi-septate lavaka, Field Number B4, UTM Easting 693932, UTM Northing 7906398, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_893.jpg COLLECTION: LavakaImages_DC2014_003_428 ABSTRACT: View from outfall into stage III lavaka, Tyler Corson-Rikert, Field Number B52, UTM Easting 689602 ,UTM Northing 7907761, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_892.jpg COLLECTION: LavakaImages_DC2014_003_427 ABSTRACT: View from outfall area into stage III multi-septate lavaka, Field Number B53, UTM Easting 689670, UTM Northing 7907214, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_891.jpg COLLECTION: LavakaImages_DC2014_003_426 ABSTRACT: View from headwall to mouth of lavaka at head of outfall channel (not visible downslope), Field Number B86, UTM Easting 691911, UTM Northing 7901007, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_890.jpg COLLECTION: LavakaImages_DC2014_003_425 ABSTRACT: View from headwall onto recently fallen surface. Vegetated surface is horizontal: no rotational component to fall, Field Number Y1, UTM Easting 202866, UTM Northing 8058501, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, … Continue reading →

DETAIL VIEW: lavaka_89.jpg COLLECTION: LavakaImages_DC2014_003_082 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_889.jpg COLLECTION: LavakaImages_DC2014_003_424 ABSTRACT: View from headwall of small, narrow, vegetated lavaka bottom and outfall, Field Number Y51, UTM Easting 202166, UTM Northing 8056098, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_888.jpg COLLECTION: LavakaImages_DC2014_003_423 ABSTRACT: View from headwall of reactivated lavaka showing fresh debris aprons above vegetated lower lavaka and outfall. Across the valley are two old stage V lavakas, with bare ground on the spur separating them, Field … Continue reading →

DETAIL VIEW: lavaka_887.jpg COLLECTION: LavakaImages_DC2014_003_422 ABSTRACT: View from headwall of partially vegetated outfall with recent sand deposits, Michel Rakotondrazafy, Field Number Y59, UTM Easting 201098, UTM Northing 8057425, UTM Zone 39K TOPIC: walls,sand LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_886.jpg COLLECTION: LavakaImages_DC2014_003_421 ABSTRACT: View from headwall of one active large lavaka to active lavaka and bare eroded ground on opposite hillslope. Manioc field in valley bottom is planted on sand flow from last rainy season, Field Number … Continue reading →

DETAIL VIEW: lavaka_885.jpg COLLECTION: LavakaImages_DC2014_003_420 ABSTRACT: View from headwall of C75 showing large lavaka in mid-ground cutting back through plateau, Field Number C75, UTM Easting 699519, UTM Northing 7906199, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_884.jpg COLLECTION: LavakaImages_DC2014_003_419 ABSTRACT: View from headwall of active lavaka, showing vegetated outfall, and runnels eroding into debris cone built against the headwall, Field Number Z41, UTM Easting 200774, UTM Northing 8056597, UTM Zone 39K TOPIC: erosion LOCATION: … Continue reading →

DETAIL VIEW: lavaka_883.jpg COLLECTION: LavakaImages_DC2014_003_418 ABSTRACT: View from headwall of active lavaka, showing recent sand deposits on flat floor, and also recent sand deposited on outer valley floor, past vegetated outfall area, Field Number Z47, UTM Easting 201222, UTM Northing … Continue reading →

DETAIL VIEW: lavaka_882.jpg COLLECTION: LavakaImages_DC2014_003_417 ABSTRACT: View from headwall of (unseen) lavaka, showing sand deposits (unvegetated) from last rainy season, Field Number Y9, UTM Easting 200967, UTM Northing 8052356, UTM Zone 39K TOPIC: erosion,sand,Sedimentation and deposition LOCATION: Madagascar AUTHOR: Cox, … Continue reading →

DETAIL VIEW: lavaka_881.jpg COLLECTION: LavakaImages_DC2014_003_416 ABSTRACT: View from head of sporadically active lavaka, showing recent sand deposits on flat valley floor, and landscape with active and ancient lavakas, Field Number Z32, UTM Easting 203961, UTM Northing 8057388, UTM Zone 39K … Continue reading →

DETAIL VIEW: lavaka_880.jpg COLLECTION: LavakaImages_DC2014_003_415 ABSTRACT: View from cultivated outfall area up into sporadically active stage III lavaka, Field Number B39, UTM Easting 689851, UTM Northing 7906063, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_88.jpg COLLECTION: LavakaImages_DC2014_003_081 ABSTRACT: Dual-lavaka complex, with well-developed debris aprons building up the walls, Field Number B27, UTM Easting 692313, UTM Northing 7906498, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_879.jpg COLLECTION: LavakaImages_DC2014_003_414 ABSTRACT: View down narrow lavaka, showing steep walls with small debris aprons at base; gravelly deposits on narrow flat floor; and vegetated outfall, Field Number Z54, UTM Easting 201452, UTM Northing 8053758, UTM Zone 39K … Continue reading →

DETAIL VIEW: lavaka_878.jpg COLLECTION: LavakaImages_DC2014_003_413 ABSTRACT: view across valley from headwall of one lavaka to set of inactive lavakas on far side, Field Number B33, UTM Easting 691352, UTM Northing 7905520, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, … Continue reading →

DETAIL VIEW: lavaka_877.jpg COLLECTION: LavakaImages_DC2014_003_412 ABSTRACT: Very long, skinny, incised outfall runs diagonally across hillslope to valley. Controlled by foliation strike in saprolite. Unusual! Field Number Y22, UTM Easting 203890, UTM Northing 8058834, UTM Zone 39K TOPIC: saprolites LOCATION: Madagascar … Continue reading →

DETAIL VIEW: lavaka_876.jpg COLLECTION: LavakaImages_DC2014_003_411 ABSTRACT: Vertical walls, grottoes, and recent wall fall, Heritiana Rakotondramazava, Field Number C73, UTM Easting 699496, UTM Northing 7906028, UTM Zone 38K TOPIC: walls,caves LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_875.jpg COLLECTION: LavakaImages_DC2014_003_410 ABSTRACT: Vertical walls with cracks and undercutting, and flat floor, Field Number C68, UTM Easting 699707, UTM Northing 7905463, UTM Zone 38K TOPIC: walls,Rocks–Cracking,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_874.jpg COLLECTION: LavakaImages_DC2014_003_409 ABSTRACT: Vertical walls and grottoes in saprolite, Jane McCamant, Field Number C73, UTM Easting 699496, UTM Northing 7906028, UTM Zone 38K TOPIC: walls,caves,saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_873.jpg COLLECTION: LavakaImages_DC2014_003_408 ABSTRACT: Vertical wall, vertical planar cracks, debris aprons at base, and sharp lavaka edge with no surface gullying, Field Number Z63, UTM Easting 199769, UTM Northing 8062617, UTM Zone 39K TOPIC: Rocks–Cracking,erosion LOCATION: Madagascar AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_872.jpg COLLECTION: LavakaImages_DC2014_003_407 ABSTRACT: Vertical wall, debris accumulation, and pinnacled saprolite outcrop, Fara Rasoazanamparany, Field Number Y3, UTM Easting 200534, UTM Northing 8052717, UTM Zone 39K TOPIC: walls,saprolites LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_871.jpg COLLECTION: LavakaImages_DC2014_003_406 ABSTRACT: Vertical wall in saprolite, with impermeable quartz veins weathering out. Shows vertical cracks, and effects of impermeable zones on subsurface water flow and erosion, Field Number C82, UTM Easting 694168, UTM Northing 7904524, UTM … Continue reading →

DETAIL VIEW: lavaka_870.jpg COLLECTION: LavakaImages_DC2014_003_405 ABSTRACT: Vertical upper walls and debris aprons covering lower walls in active lavaka, Field Number Z63, UTM Easting 199769, UTM Northing 8062617, UTM Zone 39K TOPIC: walls,erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_87.jpg COLLECTION: LavakaImages_DC2014_003_080 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_869.jpg COLLECTION: LavakaImages_DC2014_003_404 ABSTRACT: Vertical upper lavaka wall. Dark colour is wetted laterite; paler material below is dry, Field Number L14, UTM Easting 7908722, UTM Northing 623743, UTM Zone 38K TOPIC: erosion,laterite LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_868.jpg COLLECTION: LavakaImages_DC2014_003_403 ABSTRACT: Vertical sidewall, clay-painted, of lightly active lavaka with fully vegetated interior, Field Number Y14, UTM Easting 203648, UTM Northing 8055676, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_867.jpg COLLECTION: LavakaImages_DC2014_003_402 ABSTRACT: Vertical sidewall and flat floor in young lavaka, Field Number B56, UTM Easting 699571, UTM Northing 7907113, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_866.jpg COLLECTION: LavakaImages_DC2014_003_401 ABSTRACT: Vertical saprolite walls, with large pipe/grotto on left side; and recent blocky wallfall, Matt Jungers, Field Number Z70 ,UTM Easting 202452, UTM Northing 8056193, UTM Zone 39K TOPIC: saprolites,walls,pipes,caves LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_865.jpg COLLECTION: LavakaImages_DC2014_003_400 ABSTRACT: Vertical piping in headwall, Field Number Z1, UTM Easting 202746, UTM Northing 8057939, UTM Zone 39K TOPIC: piping,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_864.jpg COLLECTION: LavakaImages_DC2014_003_399 ABSTRACT: Vertical piping, Liz Gress, Field Number Z1, UTM Easting 202746, UTM Northing 8057939, UTM Zone 39K TOPIC: piping LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_863.jpg COLLECTION: LavakaImages_DC2014_003_398 ABSTRACT: Vertical pipes, grottoes, and resistant layers in vertical lavaka wall, Field Number L2, UTM Easting 7963434, UTM Northing 725360, UTM Zone 38K TOPIC: pipes,caves,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_862.jpg COLLECTION: LavakaImages_DC2014_003_397 ABSTRACT: Vertical pipes, grottoes, and recently blocky debris in active lavaka, Field Number L2, UTM Easting 7963434, UTM Northing 725360, UTM Zone 38K TOPIC: pipes,caves,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_861.jpg COLLECTION: LavakaImages_DC2014_003_396 ABSTRACT: Vertical pipes and grottoes in clay-painted wall of largely inactive lavaka, Field Number Y57, UTM Easting 200876, UTM Northing 8055970, UTM Zone 39K TOPIC: piping,caves,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_860.jpg COLLECTION: LavakaImages_DC2014_003_395 ABSTRACT: Vertical pipes and grottoes, Field Number L2, UTM Easting 7963434, UTM Northing 725360, UTM Zone 38K TOPIC: pipes,caves LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_86.jpg COLLECTION: LavakaImages_DC2014_003_079 ABSTRACT: Down-valley view of long outfall channel, Field Number B85, UTM Easting 703404, UTM Northing 7902964, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_859.jpg COLLECTION: LavakaImages_DC2014_003_394 ABSTRACT: Vertical headwall of active lavaka. Dark patches on saprolite represent seeping groundwater, Fara Rasoazanamparany, Field Number Y12, UTM Easting 201064, UTM Northing 8052850, UTM Zone 39K TOPIC: erosion,saprolites,groundwater LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_858.jpg COLLECTION: LavakaImages_DC2014_003_393 ABSTRACT: Vertical cracks in lavaka sidewall. Planar crack morphology unusual: pipes are more common, Field Number Z63, UTM Easting 199769, UTM Northing 8062617, UTM Zone 39K TOPIC: Rocks–Cracking,erosion,piping LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_857.jpg COLLECTION: LavakaImages_DC2014_003_392 ABSTRACT: Vertical clay-painted headwall with recent undercutting fall at base, Field Number Y3, UTM Easting 200534, UTM Northing 8052717, UTM Zone 39K TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_856.jpg COLLECTION: LavakaImages_DC2014_003_391 ABSTRACT: Vegetated, barely active lavaka, Field Number Z17, UTM Easting 203072, UTM Northing 8057360, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_855.jpg COLLECTION: LavakaImages_DC2014_003_390 ABSTRACT: Vegetated outfall of sporadically active lavaka, Field Number Z15, UTM Easting 202941, UTM Northing 8057274, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_854.jpg COLLECTION: LavakaImages_DC2014_003_389 ABSTRACT: Vegetated narrow outfall in foreground, and view into multi-septate eroded lavaka, Jane McCamant, Tyler Corson-Rickert, Field Number B33, UTM Easting 691352, UTM Northing 7905520, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_853.jpg COLLECTION: LavakaImages_DC2014_003_388 ABSTRACT: Vegetated lavaka, little activity remaining, Field Number C30, UTM Easting 697530 UTM Northing 7903804, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_852.jpg COLLECTION: LavakaImages_DC2014_003_387 ABSTRACT: Vegetated interior of mature stage III lavaka, Field Number B1, UTM Easting 693772, UTM Northing 7904884, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_851.jpg COLLECTION: LavakaImages_DC2014_003_386 ABSTRACT: Vegetated debris apron at lavaka outfall, with recent channelised sand deposits visible; and cultivated fields beyond the active deposition zone, Field Number Z33, UTM Easting 203954, UTM Northing 8057577, UTM Zone 39K TOPIC: erosion,sand,Sedimentation … Continue reading →

DETAIL VIEW: lavaka_850.jpg COLLECTION: LavakaImages_DC2014_003_385 ABSTRACT: Vegetated and weathered lavaka. Eucalyptus are coppiced, trees are small regrowths from big old stumps, Field Number C28, UTM Easting 694465, UTM Northing 7904782, UTM Zone 38K TOPIC: erosion,Eucalyptus,trees LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_85.jpg COLLECTION: LavakaImages_DC2014_003_078 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_849.jpg COLLECTION: LavakaImages_DC2014_003_384 ABSTRACT: Valley lined with convex hillslopes. Lavakas on left side, no lavakas on right, Field Number L1, UTM Easting 7961587, UTM Northing 725514, UTM Zone 38K TOPIC: mountains,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_848.jpg COLLECTION: LavakaImages_DC2014_003_383 ABSTRACT: Unvegetated, recently formed debris apron in stage III lavaka, Field Number B38, UTM Easting 689923, UTM Northing 7906276, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_847.jpg COLLECTION: LavakaImages_DC2014_003_382 ABSTRACT: Unusual lavaka and gully morphology, Field Number L7, UTM Easting 7902643, UTM Northing 804404, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_846.jpg COLLECTION: LavakaImages_DC2014_003_381 ABSTRACT: Unusual hook-shaped lavaka, Field Number C1, UTM Easting 692385, UTM Northing 7903070, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_845.jpg COLLECTION: LavakaImages_DC2014_003_380 ABSTRACT: Undercut saprolite exposed in lavaka sidewall, Field Number B75, UTM Easting 689387, UTM Northing 7901069, UTM Zone 38K TOPIC: saprolites,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_844.jpg COLLECTION: LavakaImages_DC2014_003_379 ABSTRACT: Undercut Eucalyptus sapling hanging from headwall, Field Number Y11, UTM Easting 201005, UTM Northing 8052879, UTM Zone 39K TOPIC: Eucalyptus,trees,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_843.jpg COLLECTION: LavakaImages_DC2014_003_378 ABSTRACT: Two small newer lavakas on wall of old stage V lavaka, Field Number Y35, UTM Easting 199867, UTM Northing 8055210, UTM Zone 39K TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_842.jpg COLLECTION: LavakaImages_DC2014_003_377 ABSTRACT: Two small active lavakas and one inactive, fully vegetated, Field Number Z41, UTM Easting 200774, UTM Northing 8056597, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_841.jpg COLLECTION: LavakaImages_DC2014_003_376 ABSTRACT: Two lobes. Old lavakas, recently reactivated in part, Field Number C16, UTM Easting 694591, UTM Northing 7903249, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_840.jpg COLLECTION: LavakaImages_DC2014_003_375 ABSTRACT: Two lobes. Old lavakas, recently reactivated in part, Field Number C16, UTM Easting 694591, UTM Northing 7903249, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_84.jpg COLLECTION: LavakaImages_DC2014_003_077 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_839.jpg COLLECTION: LavakaImages_DC2014_003_374 ABSTRACT: Two adjacent lavakas, recently reactivated, are coalescing by erosion of the hillslope separating them, Field Number Z20, UTM Easting 203202, UTM Northing 8057907, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_838.jpg COLLECTION: LavakaImages_DC2014_003_373 ABSTRACT: Two adjacent lavakas coalesced by erosion of the separating hillslope. Smaller lavaka to lower left has long vertical pipe from headwall to high on hill, Field Number Z20, UTM Easting 203202, UTM Northing 8057907, … Continue reading →

DETAIL VIEW: lavaka_837.jpg COLLECTION: LavakaImages_DC2014_003_372 ABSTRACT: Two active lavakas, with eroding wall between. Recent wallfalls in righthand lavaka have built a steep debris apron against the headwall. Headwall of lefthand lavaka still vertical. Field Number Z43, UTM Easting 200846, UTM … Continue reading →

DETAIL VIEW: lavaka_836.jpg COLLECTION: LavakaImages_DC2014_003_371 ABSTRACT: Two active lavakas with dark-stained saprolite indicating groundwater seepage. No recent sand evident in valley, Field Number Y19, UTM Easting 203087, UTM Northing 8056701, UTM Zone 39K TOPIC: erosion,saprolites,groundwater,sand LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_835.jpg COLLECTION: LavakaImages_DC2014_003_370 ABSTRACT: Two active lavakas separated by an eroding wall, Field Number Z3, UTM Easting 203022, UTM Northing 8057867, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_834.jpg COLLECTION: LavakaImages_DC2014_003_369 ABSTRACT: Two active lavakas separated by an eroding wall, Field Number Z4, UTM Easting 203068, UTM Northing 8057885, UTM Zone 39K TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_833.jpg COLLECTION: LavakaImages_DC2014_003_368 ABSTRACT: Two active lavakas below bare ground patch, Field Number Z1, UTM Easting 202746, UTM Northing 8057939, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_832.jpg COLLECTION: LavakaImages_DC2014_003_367 ABSTRACT: Trees colonising active lavaka, Field Number Y48, UTM Easting 200525, UTM Northing 8056058, UTM Zone 39K TOPIC: trees,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_831.jpg COLLECTION: LavakaImages_DC2014_003_366 ABSTRACT: Tree-filled lavaka with bare vertical walls still shedding some sediment, Field Number Y44, UTM Easting 202425, UTM Northing 8053008, UTM Zone 39K TOPIC: trees,erosion,walls,Sedimentation and deposition LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_830.jpg COLLECTION: LavakaImages_DC2014_003_365 ABSTRACT: Toeslope lavakas at edge or rizière, with midslope lavaka (largely inactive) above TOPIC: erosion,Rice–Planting LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_83.jpg COLLECTION: LavakaImages_DC2014_003_076 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_829.jpg COLLECTION: LavakaImages_DC2014_003_364 ABSTRACT: Toeslope lavakas at edge of rizière, UTM Easting 7898139, UTM Northing 709952, UTM Zone 38K TOPIC: erosion,Rice–Planting LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_828.jpg COLLECTION: LavakaImages_DC2014_003_363 ABSTRACT: Three conjoined lavakas, all largely inactive, containing stumps of eroded septae, and with long narrow outfall channels to valley floor, Field Number L12, UTM Easting 7906008, UTM Northing 752338, UTM Zone 38K TOPIC: erosion … Continue reading →

DETAIL VIEW: lavaka_827.jpg COLLECTION: LavakaImages_DC2014_003_362 ABSTRACT: Systematic plantings (appearing as a stippled pattern on the bare sand deposits of last season) are an attempt to stabilise the surface, Field Number Z34, UTM Easting 203711, UTM Northing 8057990, UTM Zone 39K … Continue reading →

DETAIL VIEW: lavaka_826.jpg COLLECTION: LavakaImages_DC2014_003_361 ABSTRACT: Steep headwall in mature lavaka, mostly vegetated but with some recently active bare spots, people, Field Number B5, UTM Easting 693834, UTM Northing 7906556, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_825.jpg COLLECTION: LavakaImages_DC2014_003_360 ABSTRACT: Steep exposures of laterite and saprolite, with some debris cones at base, in lavaka sidewall, Field Number Z54, UTM Easting 201452, UTM Northing 8053758, UTM Zone 39K TOPIC: laterite,saprolites,erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_824.jpg COLLECTION: LavakaImages_DC2014_003_359 ABSTRACT: Stage III lavakas, vegetated, at least one appears to post-date the (white) roadcut in laterite, Field Number C19, UTM Easting 693741, UTM Northing 7904241, UTM Zone 38K TOPIC: erosion,laterite LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_823.jpg COLLECTION: LavakaImages_DC2014_003_358 ABSTRACT: Stage III lavakas, mostly inactive, along old Miarinarivo-Tana road (abandoned), Field Number C34, UTM Easting 697657, UTM Northing 7903753, UTM Zone 38K TOPIC: erosion,roads LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_822.jpg COLLECTION: LavakaImages_DC2014_003_357 ABSTRACT: Stage III lavaka, with left lobe recently reactivated and eroding headward, Field Number Y32, UTM Easting 203058, UTM Northing 8061869, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_821.jpg COLLECTION: LavakaImages_DC2014_003_356 ABSTRACT: Stage III lavaka, outfall to road, Field Number C19, UTM Easting 693741, UTM Northing 7904241, UTM Zone 38K TOPIC: erosion,roads LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_820.jpg COLLECTION: LavakaImages_DC2014_003_355 ABSTRACT: Stage III lavaka with debris-apron mantled lower walls, people, Field Number B39, UTM Easting 689851, UTM Northing 7906063, UTM Zone 38K TOPIC: erosion,walls LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_82.jpg COLLECTION: LavakaImages_DC2014_003_075 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_819.jpg COLLECTION: LavakaImages_DC2014_003_354 ABSTRACT: Stage III lavaka retains substantial vertical face in headwall but has little recent sediment in lavaka bottom, Jane McCamant, Tyler Corson-Rickert, Field Number B50, UTM Easting 689521, UTM Northing 7906375, UTM Zone 38K TOPIC: … Continue reading →

DETAIL VIEW: lavaka_818.jpg COLLECTION: LavakaImages_DC2014_003_353 ABSTRACT: Stage III lavaka has lower sidewalls hidden by vegetated debris aprons, but retains flat floor, Field Number B54, UTM Easting 689838, UTM Northing 7908262, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_817.jpg COLLECTION: LavakaImages_DC2014_003_352 ABSTRACT: Stage III and IV lavakas, cut by road, Field Number C68, UTM Easting 699707, UTM Northing 7905463, UTM Zone 38K TOPIC: erosion,roads LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_816.jpg COLLECTION: LavakaImages_DC2014_003_351 ABSTRACT: Stacked sand beds indicate multiple recent sedimentation events from nearby lavaka. Sand beds are variously massive, graded, and flat-laminated, Michel Rakotondrazafy, Field Number Z64, UTM Easting 200664, UTM Northing 8061254, UTM Zone 39K TOPIC: … Continue reading →

DETAIL VIEW: lavaka_815.jpg COLLECTION: LavakaImages_DC2014_003_350 ABSTRACT: Sporadically active lavaka, some vertical faces but no recent wall falls or sediment deposits, Field Number B42, UTM Easting 701897, UTM Northing 7901655, UTM Zone 38K TOPIC: erosion,Sedimentation and deposition LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, … Continue reading →

DETAIL VIEW: lavaka_814.jpg COLLECTION: LavakaImages_DC2014_003_349 ABSTRACT: Sporadically active lavaka, some vertical faces but no recent wall falls or sediment deposits, Tyler Corson-Rickert, Jane McCamant, Field Number B19, UTM Easting 695180, UTM Northing 7906863, UTM Zone 38K TOPIC: erosion,Sedimentation and deposition … Continue reading →

DETAIL VIEW: lavaka_813.jpg COLLECTION: LavakaImages_DC2014_003_348 ABSTRACT: Sporadically active late stage III, with mature pine trees, Field Number C11, UTM Easting 693296, UTM Northing 7901514, UTM Zone 38K TOPIC: trees,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_812.jpg COLLECTION: LavakaImages_DC2014_003_347 ABSTRACT: Sporadically active but largely infilled lavaka, with 2 eroded septae, and long winding deeply-incised outfall channel, Field Number L1, UTM Easting 7961587, UTM Northing 725514, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, … Continue reading →

DETAIL VIEW: lavaka_811.jpg COLLECTION: LavakaImages_DC2014_003_346 ABSTRACT: Some remaining vertical head and side wall surfaces in stage III lavaka, Field Number B4, UTM Easting 693932, UTM Northing 7906398, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_810.jpg COLLECTION: LavakaImages_DC2014_003_345 ABSTRACT: Small-scale lavaka-like erosion in walls of stage V ancient lavaka, Field Number Z57, UTM Easting 199965, UTM Northing 8060351, UTM Zone 39K TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_81.jpg COLLECTION: LavakaImages_DC2014_003_074 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_809.jpg COLLECTION: LavakaImages_DC2014_003_344 ABSTRACT: Small-scale lavaka-like erosion in walls of stage V ancient lavaka, Field Number Z56, UTM Easting 200186, UTM Northing 8060304, UTM Zone 39K TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_808.jpg COLLECTION: LavakaImages_DC2014_003_343 ABSTRACT: Small-scale activity in sidewall of stage III lavaka, Field Number C21, UTM Easting 694048, UTM Northing 7904290, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_807.jpg COLLECTION: LavakaImages_DC2014_003_342 ABSTRACT: Small, overgrown, inactive lavaka in remnant sidewall of very ancient inactive lavaka, Field Number Y24, UTM Easting 202173, UTM Northing 8058959, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_806.jpg COLLECTION: LavakaImages_DC2014_003_341 ABSTRACT: Small two-lobed lavaka, probably originally two adjacent lavakas that have merged, Field Number Z30, UTM Easting 203700, UTM Northing 8057019, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_805.jpg COLLECTION: LavakaImages_DC2014_003_340 ABSTRACT: Small lavaka, mostly inactive, one recently active wall, Field Number C6, UTM Easting 692571, UTM Northing 7903186, UTM Zone 38K, Tyler Corson-Rickert, Jane McCamant TOPIC: erosion,walls LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_804.jpg COLLECTION: LavakaImages_DC2014_003_339 ABSTRACT: Small lavaka, largely infilled and grassed over, Field Number Z66, UTM Easting 201184, UTM Northing 8061609, UTM Zone 39K TOPIC: erosion,grasses LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_803.jpg COLLECTION: LavakaImages_DC2014_003_338 ABSTRACT: Small lavaka, largely infilled and grassed over, Field Number Z66, UTM Easting 201184, UTM Northing 8061609, UTM Zone 39K TOPIC: erosion,grasses LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_802.jpg COLLECTION: LavakaImages_DC2014_003_337 ABSTRACT: Small inactive lavaka, Field Number B7, UTM Easting 693827, UTM Northing 7906556, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_801.jpg COLLECTION: LavakaImages_DC2014_003_336 ABSTRACT: Small field on grassy surface in stage III lavaka, Field Number C17, UTM Easting 694164, UTM Northing 7902822, UTM Zone 38K TOPIC: grasses,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_800.jpg COLLECTION: LavakaImages_DC2014_003_335 ABSTRACT: Small active lavaka. Recent sand deposits at lavaka mouth have been planted with bananas, Field Number Y23, UTM Easting 203572, UTM Northing 8058992, UTM Zone 39K TOPIC: erosion,sand,Bananas LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_80.jpg COLLECTION: LavakaImages_DC2014_003_073 ABSTRACT: Down-lavaka view of largely inactive lavaka, with eroded septum, no recent sedimentation, no flat floor, and lots of vegetation, Field Number Z69, UTM Easting 201179, UTM Northing 8054523, UTM Zone 39K TOPIC: Sedimentation and … Continue reading →

DETAIL VIEW: lavaka_8.jpg COLLECTION: LavakaImages_DC2014_003_001 ABSTRACT: 5m Eucalyptus growing on older debris pile on left, Field Number Y5, UTM Easting 200663, UTM Northing 8052373, UTM Zone 39K, Stage II TOPIC: Eucalyptus LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_799.jpg COLLECTION: LavakaImages_DC2014_003_334 ABSTRACT: Small active lavaka with grottoes in back wall and hook-shaped outfall, Field Number B15, UTM Easting 692967, UTM Northing 7906940, UTM Zone 38K TOPIC: erosion,caves,walls LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_798.jpg COLLECTION: LavakaImages_DC2014_003_333 ABSTRACT: Small active lavaka flanked by ancient, largely infilled lavakas, Field Number Y29, UTM Easting 203512, UTM Northing 8061285, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_797.jpg COLLECTION: LavakaImages_DC2014_003_332 ABSTRACT: Skyline view of eroding wall between two lavakas, showing also convex hillslope morphology, Field Number Y38, UTM Easting 200964, UTM Northing 8054917, UTM Zone 39K TOPIC: walls,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_796.jpg COLLECTION: LavakaImages_DC2014_003_331 ABSTRACT: Skyline view of eroding wall between two lavakas, showing also convex hillslope morphology, Liz Gress, Fara Rasoazanamparany, Field Number Y37, UTM Easting 200974, UTM Northing 8054974, UTM Zone 39K TOPIC: walls,erosion LOCATION: Madagascar AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_795.jpg COLLECTION: LavakaImages_DC2014_003_330 ABSTRACT: Sisal plantings on lower slope suggest recent activity from bare walls above path, Field Number B9, UTM Easting 693712, UTM Northing 7906580, UTM Zone 38K TOPIC: Sisal (Plant),erosion,mountains,walls LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_794.jpg COLLECTION: LavakaImages_DC2014_003_329 ABSTRACT: Sisal plantings in base of small wall-falls in stage III lavaka, Field Number C22, UTM Easting 694041, UTM Northing 7904266, UTM Zone 38K TOPIC: Sisal (Plant),erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_793.jpg COLLECTION: LavakaImages_DC2014_003_328 ABSTRACT: Side-septae in partially vegetated lavaka, Field Number C52, UTM Easting 702853, UTM Northing 7902866, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_792.jpg COLLECTION: LavakaImages_DC2014_003_327 ABSTRACT: Side view of lavaka shows convex hillslope profile, Field Number Y1, UTM Easting 202866, UTM Northing 8058501, UTM Zone 39K TOPIC: erosion,mountains LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_791.jpg COLLECTION: LavakaImages_DC2014_003_326 ABSTRACT: Showing headwall of lavaka cut back through ridge to next drainage, Field Number C76, UTM Easting 696861, UTM Northing 7904123, UTM Zone 38K TOPIC: erosion,mountains,drainage LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_790.jpg COLLECTION: LavakaImages_DC2014_003_325 ABSTRACT: Shedding (light) and clay-painted walls in stage III lavaka, Field Number C33, UTM Easting 697741, UTM Northing 7903740, UTM Zone 38K TOPIC: walls,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_79.jpg COLLECTION: LavakaImages_DC2014_003_072 ABSTRACT: Down-lavaka view of largely inactive lavaka, with eroded septum, no recent sedimentation, no flat floor, and lots of vegetation, Field Number Z69, UTM Easting 201179, UTM Northing 8054523, UTM Zone 39K TOPIC: erosion,Sediment (Geology),plants … Continue reading →

DETAIL VIEW: lavaka_789.jpg COLLECTION: LavakaImages_DC2014_003_324 ABSTRACT: Several erosional forms in hillslope: active lavaka, bare ground erosion, and terracettes associated with cattle tracks, Field Number Y17, UTM Easting 203179, UTM Northing 8056077, UTM Zone 39K TOPIC: erosion,mountains,cattle LOCATION: Madagascar AUTHOR: Cox, … Continue reading →

DETAIL VIEW: lavaka_788.jpg COLLECTION: LavakaImages_DC2014_003_323 ABSTRACT: Sediment moved along wide flat lavaka floor feeds into narrow incised outfall, Field Number Z71, UTM Easting 202489, UTM Northing 8056137, UTM Zone 39K TOPIC: Sedimentation and deposition,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_787.jpg COLLECTION: LavakaImages_DC2014_003_322 ABSTRACT: Sediment gravity flow of recent wallfall material over-rides vegetation in recently reactivated lavaka, Michel Rakotondrazafy, Field Number Z69, UTM Easting 201179, UTM Northing 8054523, UTM Zone 39K TOPIC: Sedimentation and deposition,erosion LOCATION: Madagascar AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_786.jpg COLLECTION: LavakaImages_DC2014_003_321 ABSTRACT: Sediment being shed from top of sidewall; lower bare sidewall is clay painted, Field Number C33, UTM Easting 697741, UTM Northing 7903740, UTM Zone 38K TOPIC: Sedimentation and deposition,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_785.jpg COLLECTION: LavakaImages_DC2014_003_320 ABSTRACT: Saprolite preserves primary geological structures: pegmatite cross-cutting gneissic foliation, Field Number Z64, UTM Easting 200664, UTM Northing 8061254, UTM Zone 39K TOPIC: saprolites,pegmatites,gneissic LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_784.jpg COLLECTION: LavakaImages_DC2014_003_319 ABSTRACT: Saprolite of varying composition, and varying resistance, exposed in vertical lavaka wall. Blocky debris is shed to sediment aprons below the grottoes, Field Number L2, UTM Easting 7963434, UTM Northing 725360, UTM Zone 38K … Continue reading →

DETAIL VIEW: lavaka_783.jpg COLLECTION: LavakaImages_DC2014_003_318 ABSTRACT: Saprolite exposures in vertical wall (top and left), and large debris apron, with runnels on surface, Matt Jungers, Michel Rakotondrazafy, Field Number Z64, UTM Easting 200664, UTM Northing 8061254, UTM Zone 39K TOPIC: saprolites,walls … Continue reading →

DETAIL VIEW: lavaka_782.jpg COLLECTION: LavakaImages_DC2014_003_317 ABSTRACT: Roots exposed in sidewall overhang, Michel Rakotondrazafy, Fara Rasoazanamparany, Field Number Y1, UTM Easting 202866, UTM Northing 8058501, UTM Zone 39K TOPIC: roots,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_781.jpg COLLECTION: LavakaImages_DC2014_003_316 ABSTRACT: Roof fall (vegetated, on left) and recent block flows in newly-formed lavaka, Heritiana Rakotondramazava, Field Number C75, UTM Easting 699519, UTM Northing 7906199, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_780.jpg COLLECTION: LavakaImages_DC2014_003_315 ABSTRACT: Rolling convex slopes in low-lying plain, containing multiple lavakas, UTM Easting 7912724, UTM Northing 618063, UTM Zone 38K TOPIC: Rock slopes,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_78.jpg COLLECTION: LavakaImages_DC2014_003_071 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_779.jpg COLLECTION: LavakaImages_DC2014_003_314 ABSTRACT: Rolling convex slopes in low-lying plain, containing multiple lavakas, UTM Easting 7912724, UTM Northing 618063, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_778.jpg COLLECTION: LavakaImages_DC2014_003_313 ABSTRACT: Rolling convex slopes in low-lying plain, containing multiple lavakas, UTM Easting 7912724, UTM Northing 618063, UTM Zone 38K TOPIC: Rock slopes,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_777.jpg COLLECTION: LavakaImages_DC2014_003_312 ABSTRACT: Rolling convex slopes in low-lying plain, containing multiple lavakas, UTM Easting 7912724, UTM Northing 618063, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_776.jpg COLLECTION: LavakaImages_DC2014_003_311 ABSTRACT: Road cut along sidewall of old, largely inactive stage III lavaka, Field Number B59, UTM Easting 699584, UTM Northing 7906704, UTM Zone 38K TOPIC: roads,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_775.jpg COLLECTION: LavakaImages_DC2014_003_310 ABSTRACT: Road along sidewall of mature, multi-septate lavaka, Field Number B10, UTM Easting 694043, UTM Northing 7906748, UTM Zone 38K TOPIC: roads,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_774.jpg COLLECTION: LavakaImages_DC2014_003_309 ABSTRACT: Right side of lavaka shows recent activity; left side is heavily clay-painted and partially vegetated, Field Number Y59, UTM Easting 201098, UTM Northing 8057425, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_773.jpg COLLECTION: LavakaImages_DC2014_003_308 ABSTRACT: Ricefields within stage IV lavaka, some reactivation possibly due to the cultivation, Field Number C4, UTM Easting 692243, UTM Northing 7902748, UTM Zone 38K TOPIC: Rice–Planting,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_772.jpg COLLECTION: LavakaImages_DC2014_003_307 ABSTRACT: Ricefields in outfall of inactive lavaka, Heritiana Rakotondramazava, Field Number C48, UTM Easting 698900, UTM Northing 7903794, UTM Zone 38K TOPIC: Rice–Planting,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_771.jpg COLLECTION: LavakaImages_DC2014_003_306 ABSTRACT: Rice fields in outfall of stage III lavaka, Field Number C17, UTM Easting 694164, UTM Northing 7902822, UTM Zone 38K TOPIC: rice,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_770.jpg COLLECTION: LavakaImages_DC2014_003_305 ABSTRACT: Rice and vegetable fields in outfall area of large, mostly inactive lavaka, Field Number B88, UTM Easting 691771, UTM Northing 7900782, UTM Zone 38K TOPIC: rice,vegetables,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_77.jpg COLLECTION: LavakaImages_DC2014_003_070 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_769.jpg COLLECTION: LavakaImages_DC2014_003_304 ABSTRACT: Red laterite above tan and white saprolite in vertical headwall of lightly active stage III lavaka, Jane McCamant, Tyler Corson-Rickert, Field Number B32, UTM Easting 691256, UTM Northing 7905737, UTM Zone 38K TOPIC: laterite,saprolites,erosion … Continue reading →

DETAIL VIEW: lavaka_768.jpg COLLECTION: LavakaImages_DC2014_003_303 ABSTRACT: Red laterite above pale saprolite in lavaka wall, Field Number B36, UTM Easting 690243, UTM Northing 7905645, UTM Zone 38K TOPIC: laterite,saprolites,erosion,walls LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_767.jpg COLLECTION: LavakaImages_DC2014_003_302 ABSTRACT: Recently reactivated lavaka preserves older, clay-painted and vertically piped surface on headwall at right, Field Number Z10, UTM Easting 202464, UTM Northing 8058430, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_766.jpg COLLECTION: LavakaImages_DC2014_003_301 ABSTRACT: Recently reactivated lavaka headwall, with vegetated lower lavaka and outfall, Field Number Z4, UTM Easting 203068, UTM Northing 8057885, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_765.jpg COLLECTION: LavakaImages_DC2014_003_300 ABSTRACT: Recently reactivated lavaka headwall on right, with clay-painted and vertically-piped relict headwall on left, Field Number Z8, UTM Easting 202583, UTM Northing 8058244, UTM Zone 39K, Liz Gress, Fara Rasoazanamparany TOPIC: erosion LOCATION: Madagascar … Continue reading →

DETAIL VIEW: lavaka_764.jpg COLLECTION: LavakaImages_DC2014_003_299 ABSTRACT: Recently reactivated lavaka, Field Number Y53, UTM Easting 202583, UTM Northing 8053327, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_763.jpg COLLECTION: LavakaImages_DC2014_003_298 ABSTRACT: Recent wallfall, and braided deposits of recent sediment movement on flat lavaka floor, Field Number Z63, UTM Easting 199769, UTM Northing 8062617, UTM Zone 39K TOPIC: Sedimentation and deposition,erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_762.jpg COLLECTION: LavakaImages_DC2014_003_297 ABSTRACT: Recent wallfall exposes fresh saprolite and also deposits of older, vegetated debris apron, Field Number Z69, UTM Easting 201179, UTM Northing 8054523, UTM Zone 39K TOPIC: saprolites LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_761.jpg COLLECTION: LavakaImages_DC2014_003_296 ABSTRACT: Recent wall fall in stage III lavaka, Field Number C65, UTM Easting 699706, UTM Northing 7905219, UTM Zone 38K TOPIC: walls,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_760.jpg COLLECTION: LavakaImages_DC2014_003_295 ABSTRACT: Recent wall fall forms overhang in active lavaka, Field Number C86, UTM Easting 700686, UTM Northing 7900735, UTM Zone 38K TOPIC: walls,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_76.jpg COLLECTION: LavakaImages_DC2014_003_069 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_759.jpg COLLECTION: LavakaImages_DC2014_003_294 ABSTRACT: Recent vertical falls indicated by vegetated surfaces within blockfall pile at base of lavaka, Field Number Y1, UTM Easting 700791, UTM Northing 7900714, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_758.jpg COLLECTION: LavakaImages_DC2014_003_293 ABSTRACT: Recent vertical fall from headwall (retaining surface vegetation on upper horizontal surface), Field Number Y1, UTM Easting 202866, UTM Northing 8058501, UTM Zone 39K TOPIC: Gravitational collapse,plants,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_757.jpg COLLECTION: LavakaImages_DC2014_003_292 ABSTRACT: Recent vertical drop of headwall material (upper flat vegetated surface still preserved), Field Number Y1, UTM Easting 202866, UTM Northing 8058501, UTM Zone 39K TOPIC: walls,erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_756.jpg COLLECTION: LavakaImages_DC2014_003_291 ABSTRACT: Recent substantial wallfall in sporadically active lavaka (walls unvegetated but substantially clay-painted), Field Number Z51, UTM Easting 200954, UTM Northing 8057167, UTM Zone 39K TOPIC: walls,erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_755.jpg COLLECTION: LavakaImages_DC2014_003_290 ABSTRACT: Recent small-scale reactivation in headwall of stage III lavaka; note sisal plantings at base (stabilisation attempt), Field Number C22, UTM Easting 694041, UTM Northing 7904266, UTM Zone 38K TOPIC: erosion,Sisal (Plant) LOCATION: Madagascar–Miarinarivo AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_754.jpg COLLECTION: LavakaImages_DC2014_003_289 ABSTRACT: Recent sediment movement in sporadically active, mostly vegetated lavaka, Field Number B87, UTM Easting 691961, UTM Northing 7900794, UTM Zone 38K TOPIC: Sediment and deposition,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_753.jpg COLLECTION: LavakaImages_DC2014_003_288 ABSTRACT: Recent sediment movement and debris apron construction, Field Number Z22, UTM Easting 203392, UTM Northing 8057980, UTM Zone 39K TOPIC: Sedimentation and deposition LOCATION: Madagascar AUTHOR: Gress, Liz

DETAIL VIEW: lavaka_752.jpg COLLECTION: LavakaImages_DC2014_003_287 ABSTRACT: Recent sediment movement (with sediment gravity flow morphology) in active lavaka wall, Liz Gress, Field Number Y37, UTM Easting 200974, UTM Northing 8054974, UTM Zone 39K TOPIC: Sediments (Geology),erosion,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_751.jpg COLLECTION: LavakaImages_DC2014_003_286 ABSTRACT: Recent sand flow from lavaka just visible in valley, Field Number Y18, UTM Easting 203349, UTM Northing 8055860, UTM Zone 39K TOPIC: sand,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_750.jpg COLLECTION: LavakaImages_DC2014_003_285 ABSTRACT: Recent sand deposits in bottom of reactivated lavaka, Field Number Z11, UTM Easting 202369, UTM Northing 8058112, UTM Zone 39K TOPIC: sand,Sedimentation and deposition,erosions LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_75.jpg COLLECTION: LavakaImages_DC2014_003_068 ABSTRACT: Down-lavaka view of active lavaka with vegetated bottom and outfall. Recent sand deposits on valley floor. Fields there have been abandoned, cultivation restricted to area beyond sediment runout zone, Field Number Y52, UTM Easting … Continue reading →

DETAIL VIEW: lavaka_749.jpg COLLECTION: LavakaImages_DC2014_003_284 ABSTRACT: Recent sand deposits from active lavaka carpet the valley bottom, Field Number Z32, UTM Easting 203961, UTM Northing 8057388, UTM Zone 39K TOPIC: sand,erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_748.jpg COLLECTION: LavakaImages_DC2014_003_283 ABSTRACT: Recent reactivation of old, largely infilled lavaka, Field Number Z31, UTM Easting 203781, UTM Northing 8057067, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_747.jpg COLLECTION: LavakaImages_DC2014_003_282 ABSTRACT: Recent reactivation (stage II-III) of old (stage V) lavaka, Field Number C54, UTM Easting 702695, UTM Northing 7902874, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_746.jpg COLLECTION: LavakaImages_DC2014_003_281 ABSTRACT: Recent reactivation (stage II-III) of old (stage V) lavaka, Field Number C54, UTM Easting 702695, UTM Northing 7902874, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_745.jpg COLLECTION: LavakaImages_DC2014_003_280 ABSTRACT: Recent reactivation (stage II) of old lavaka. Sisal plantings in base (attempted stabilisation), Field Number C36, UTM Easting 697397, UTM Northing 7903003, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_744.jpg COLLECTION: LavakaImages_DC2014_003_279 ABSTRACT: Recent reactivation (stage II) of old lavaka. Sisal plantings in base (attempted stabilisation), Field Number C36, UTM Easting 697397, UTM Northing 7903003, UTM Zone 38K TOPIC: erosion,Sisal (Plant) LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_743.jpg COLLECTION: LavakaImages_DC2014_003_278 ABSTRACT: Recent reactivation (stage II) of old lavaka. Sisal plantings in base (attempted stabilisation), Field Number C36, UTM Easting 697397, UTM Northing 7903003, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_742.jpg COLLECTION: LavakaImages_DC2014_003_277 ABSTRACT: Recent reactivation (pale saprolite exposures) of heavily clay-painted (dark upper walls) stage III lavaka, Field Number Y59, UTM Easting 201098, UTM Northing 8057425, UTM Zone 39K TOPIC: saprolites,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_741.jpg COLLECTION: LavakaImages_DC2014_003_276 ABSTRACT: Recent fluidised flow and debris flow deposits form debris apron on active lavaka headwall, Field Number Z5, UTM Easting 202930, UTM Northing 8057867, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_740.jpg COLLECTION: LavakaImages_DC2014_003_275 ABSTRACT: Recent fall of lateritic debris (red) mantling outcrops of saprolite (pale), Field Number B76, UTM Easting 690200, UTM Northing 7900720, UTM Zone 38K TOPIC: laterite,saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_74.jpg COLLECTION: LavakaImages_DC2014_003_067 ABSTRACT: Different activity levels in lavakas on hillslope, Field Number B51, UTM Easting 688439, UTM Northing 7906474, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_739.jpg COLLECTION: LavakaImages_DC2014_003_274 ABSTRACT: Recent blockflow in outfall, Field Number B58, UTM Easting 699702, UTM Northing 7906750, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_738.jpg COLLECTION: LavakaImages_DC2014_003_273 ABSTRACT: Recent blockfalls in saprolite, stage II lobe, Heritiana Rakotondramazava, Field Number C24_A, UTM Easting 694301, UTM Northing 7904518, UTM Zone 38K TOPIC: saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_737.jpg COLLECTION: LavakaImages_DC2014_003_272 ABSTRACT: Recent blockfall in small lavaka, Jane McCamant, Field Number C7, UTM Easting 692754, UTM Northing 7903170, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_736.jpg COLLECTION: LavakaImages_DC2014_003_271 ABSTRACT: Recent blockfall and grottoes in active lavaka sidewall, Field Number B66, UTM Easting 701304, UTM Northing 7906505, UTM Zone 38K TOPIC: caves,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_735.jpg COLLECTION: LavakaImages_DC2014_003_270 ABSTRACT: Recent block and sand fall (mostly tan-coloured laterite) contributes to debris apron at base of wall, Field Number Y1, UTM Easting 202866, UTM Northing 8058501, UTM Zone 39K TOPIC: sand,laterite,walls LOCATION: Madagascar AUTHOR: Rakotondrazafy, … Continue reading →

DETAIL VIEW: lavaka_734.jpg COLLECTION: LavakaImages_DC2014_003_269 ABSTRACT: Recent activity in stage II lavaka, Field Number C16, UTM Easting 694591, UTM Northing 7903249, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_733.jpg COLLECTION: LavakaImages_DC2014_003_268 ABSTRACT: Recent activity in stage II lavaka, Heritiana Rakotondramazava, Field Number C24_A, UTM Easting 694301, UTM Northing 7904518, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_732.jpg COLLECTION: LavakaImages_DC2014_003_267 ABSTRACT: Recent activity in stage II lavaka, Field Number C16, UTM Easting 694591, UTM Northing 7903249, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_731.jpg COLLECTION: LavakaImages_DC2014_003_266 ABSTRACT: Recent activity in reactivated lavaka: mixed blockfall and fluidised flow, Field Number C44, UTM Easting 698370, UTM Northing 7903441, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_730.jpg COLLECTION: LavakaImages_DC2014_003_265 ABSTRACT: Recent activity in reactivated lavaka, Field Number C44, UTM Easting 698370, UTM Northing 7903441, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_73.jpg COLLECTION: LavakaImages_DC2014_003_066 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_729.jpg COLLECTION: LavakaImages_DC2014_003_264 ABSTRACT: Recent activity in reactivated lavaka, Heritiana Rakotondramazava, Field Number C44, UTM Easting 698370, UTM Northing 7903441, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_728.jpg COLLECTION: LavakaImages_DC2014_003_263 ABSTRACT: Recent activity in lavaka interior, and also cracks and vertical piping in walls, Field Number Y7, UTM Easting 200861, UTM Northing 8052402, UTM Zone 39K TOPIC: erosion,Rocks–Cracking,piping,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_727.jpg COLLECTION: LavakaImages_DC2014_003_262 ABSTRACT: Reactivation on left side of vegetated, previously inactive lavaka, Field Number Z11, UTM Easting 202369, UTM Northing 8058112, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_726.jpg COLLECTION: LavakaImages_DC2014_003_261 ABSTRACT: Reactivation of left side of formerly inactive, tree-filled lavaka, Field Number Y43, UTM Easting 201019, UTM Northing 8053133, UTM Zone 39K TOPIC: trees,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_725.jpg COLLECTION: LavakaImages_DC2014_003_260 ABSTRACT: Reactivated lavaka with one remaining clay-painted side wall, and vegetated outfall channel, Field Number Z33, UTM Easting 203954, UTM Northing 8057577, UTM Zone 39K TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_724.jpg COLLECTION: LavakaImages_DC2014_003_259 ABSTRACT: Reactivated headwall shows remnant clay painted surface and wall vegetation, with new grotto formation and fresh saprolite exposure, Field Number Z12, UTM Easting 202421, UTM Northing 8057888, UTM Zone 39K, Liz Gress, Fara Rasoazanamparany … Continue reading →

DETAIL VIEW: lavaka_723.jpg COLLECTION: LavakaImages_DC2014_003_258 ABSTRACT: Progressive infilling of lavaka as debris aprons rise higher on slope and lavaka base narrows, Field Number Z63, UTM Easting 199769, UTM Northing 8062617, UTM Zone 39K TOPIC: erosion,mountains LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_722.jpg COLLECTION: LavakaImages_DC2014_003_257 ABSTRACT: Poorly developed, shallow lavaka in convex wall of ancient equilibrated lavaka, Michel Rakotondrazafy, Field Number Z62, UTM Easting 200520, UTM Northing 8061538, UTM Zone 39K TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_721.jpg COLLECTION: LavakaImages_DC2014_003_256 ABSTRACT: Partial vegetation in stageIII lavakas. Clay painting of bare walls indicates minimal activity in recent rainy season, Field Number C51, UTM Easting 702839, UTM Northing 7902825, UTM Zone 38K, Michel Rakotondrazafy TOPIC: plants,erosion,walls LOCATION: … Continue reading →

DETAIL VIEW: lavaka_720.jpg COLLECTION: LavakaImages_DC2014_003_255 ABSTRACT: Pair of inactive lavakas, remnants of septum visible in one on lower right, Field Number B44, UTM Easting 702334, UTM Northing 7901588, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_72.jpg COLLECTION: LavakaImages_DC2014_003_065 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_719.jpg COLLECTION: LavakaImages_DC2014_003_254 ABSTRACT: Overhanging laterite and vertical saprolite. Recent wall-fall material has been completely removed: no debris apron at base of wall, Field Number C58, UTM Easting 691804, UTM Northing 7909404, UTM Zone 38K TOPIC: laterite,saprolites,walls LOCATION: … Continue reading →

DETAIL VIEW: lavaka_718.jpg COLLECTION: LavakaImages_DC2014_003_253 ABSTRACT: Overhanging laterite and vertical saprolite, Field Number C58, UTM Easting 691804, UTM Northing 7909404, UTM Zone 38K TOPIC: laterite,saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_717.jpg COLLECTION: LavakaImages_DC2014_003_252 ABSTRACT: Overhanging headwall over collapsed lower wall, Michel Rakotondrazafy, Field Number Z71, UTM Easting 202489, UTM Northing 8056137, UTM Zone 39K TOPIC: Gravitational collapse,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_716.jpg COLLECTION: LavakaImages_DC2014_003_251 ABSTRACT: Overhanging headwall in young active lavaka, Field Number C16, UTM Easting 694591, UTM Northing 7903249, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_715.jpg COLLECTION: LavakaImages_DC2014_003_250 ABSTRACT: Overhanging headwall and exposed Eucalyptus roots in active stage II lavaka, Field Number C20, UTM Easting 697617, UTM Northing 7903611, UTM Zone 38K TOPIC: Eucalyptus,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_714.jpg COLLECTION: LavakaImages_DC2014_003_249 ABSTRACT: Overhanging headwall (with seated geologists), and vertically collapsed block in foreground (preserving original grassy surface), Matt Jungers, Michel Rakotondrazafy, Field Number Z73, UTM Easting 202373, UTM Northing 8053590, UTM Zone 39K TOPIC: geologists,erosion LOCATION: … Continue reading →

DETAIL VIEW: lavaka_713.jpg COLLECTION: LavakaImages_DC2014_003_248 ABSTRACT: Overhang at top of vertical head and side walls in stage II lobe], Heritiana Rakotondramazava, Field Number C24_A, UTM Easting 694301, UTM Northing 7904518, UTM Zone 38K TOPIC: walls,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_712.jpg COLLECTION: LavakaImages_DC2014_003_247 ABSTRACT: Overhang at top of vertical head and side walls in stage II lobe], Field Number C24_A, UTM Easting 694301, UTM Northing 7904518, UTM Zone 38K, Heritiana Rakotondramazava TOPIC: walls,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_711.jpg COLLECTION: LavakaImages_DC2014_003_246 ABSTRACT: Overhang and fractures in active headwall, Field Number C41, UTM Easting 697734, UTM Northing 7903598, UTM Zone 38K TOPIC: fractures,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_710.jpg COLLECTION: LavakaImages_DC2014_003_245 ABSTRACT: Overhang and exposed Eucalyptus roots in recently-active section of stage III complex, Field Number C26, UTM Easting 694322, UTM Northing 7904615, UTM Zone 38K TOPIC: Eucalyptus,Roots (Botany) LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_71.jpg COLLECTION: LavakaImages_DC2014_003_064 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_709.jpg COLLECTION: LavakaImages_DC2014_003_244 ABSTRACT: Outfall showing vertical-sided incision, and recent sand and saprolite block transport, Field Number C51, UTM Easting 702839, UTM Northing 7902825, UTM Zone 38K TOPIC: sand,saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_708.jpg COLLECTION: LavakaImages_DC2014_003_243 ABSTRACT: Outfall picture of non-typical elongate lavaka, Field Number C3, UTM Easting 692007, UTM Northing 7902755, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_707.jpg COLLECTION: LavakaImages_DC2014_003_242 ABSTRACT: Outfall channel incised in saprolite, Tyler Corson-Rikert, Field Number B63, UTM Easting 699369, UTM Northing 7906830, UTM Zone 38K TOPIC: saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_706.jpg COLLECTION: LavakaImages_DC2014_003_241 ABSTRACT: Old lavaka complex on hillslope, now mostly inactive, Field Number B55, UTM Easting 689749, UTM Northing 7908707, UTM Zone 38K TOPIC: erosion,mountains LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_705.jpg COLLECTION: LavakaImages_DC2014_003_240 ABSTRACT: Non-typical elongate lavaka, Field Number C3, UTM Easting 692007, UTM Northing 7902755, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_704.jpg COLLECTION: LavakaImages_DC2014_003_239 ABSTRACT: No vertical walls remaining in large lavaka, Field Number B92, UTM Easting 691577, UTM Northing 7899731, UTM Zone 38K TOPIC: walls,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_703.jpg COLLECTION: LavakaImages_DC2014_003_238 ABSTRACT: New lavaka cuts old road, Field Number B56, UTM Easting 699571, UTM Northing 7907113, UTM Zone 38K TOPIC: erosion,roads LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_702.jpg COLLECTION: LavakaImages_DC2014_003_237 ABSTRACT: Nested lavakas of unusual morphology in fall valley wall, Field Number Y33, UTM Easting 202561, UTM Northing 8061970, UTM Zone 39K TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_701.jpg COLLECTION: LavakaImages_DC2014_003_236 ABSTRACT: Narrow, deeply incised outfall channel, Liz Gress, Field Number Z2, UTM Easting 202834, UTM Northing 8057954, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_700.jpg COLLECTION: LavakaImages_DC2014_003_235 ABSTRACT: Narrow flat floor of braided flow deposits winds between debris aprons in large active lavaka, Fara Rasoazanamparany, Field Number Y13, UTM Easting 203309, UTM Northing 8055752, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_70.jpg COLLECTION: LavakaImages_DC2014_003_063 ABSTRACT: Detail of lavaka erosion in roadcut (4): erosion within fissure in saprolite, Field Number C40, UTM Easting 697723, UTM Northing 7903603, UTM Zone 38K TOPIC: erosion,erosion,saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_699.jpg COLLECTION: LavakaImages_DC2014_003_234 ABSTRACT: Multiple small lavakas in hillslope, Field Number B61, UTM Easting 699410, UTM Northing 7906606, UTM Zone 38K, Tyler Corson-Rikert TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_698.jpg COLLECTION: LavakaImages_DC2014_003_233 ABSTRACT: Multiple lavakas in landscape of convex hills, Field Number L12, UTM Easting 7906008, UTM Northing 752338, UTM Zone 38K TOPIC: erosion,landscapes LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_697.jpg COLLECTION: LavakaImages_DC2014_003_232 ABSTRACT: Multiple lavakas in landscape of convex hills TOPIC: erosion,landscapes,mountains LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_696.jpg COLLECTION: LavakaImages_DC2014_003_231 ABSTRACT: Multiple lavakas in landscape of convex hills TOPIC: erosion,landscapes,mountains LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_695.jpg COLLECTION: LavakaImages_DC2014_003_230 ABSTRACT: Multi-septate stage III lavaka complex, Field Number C24, UTM Easting 694301, UTM Northing 7904518, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_694.jpg COLLECTION: LavakaImages_DC2014_003_229 ABSTRACT: Multi-septate stage III lavaka complex, Heritiana Rakotondramazava, Field Number C26, UTM Easting 694322, UTM Northing 7904615, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_693.jpg COLLECTION: LavakaImages_DC2014_003_228 ABSTRACT: Multi-septate stage III lavaka complex, Field Number C24, UTM Easting 694301, UTM Northing 7904518, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_692.jpg COLLECTION: LavakaImages_DC2014_003_227 ABSTRACT: Multi-lobed lavaka complex, Field Number Y58, UTM Easting 204058, UTM Northing 8057845, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_691.jpg COLLECTION: LavakaImages_DC2014_003_226 ABSTRACT: Mostly inactive, old lavaka, Field Number B28, UTM Easting 692063, UTM Northing 7906869, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_690.jpg COLLECTION: LavakaImages_DC2014_003_225 ABSTRACT: Mostly grassed in, no vertical walls, few active bare spots shedding sediment in wet season, Field Number C13, UTM Easting 694747, UTM Northing 7903306, UTM Zone 38K TOPIC: grasses,walls,Sedimentation and deposition,seasons LOCATION: Madagascar–Miarinarivo AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_69.jpg COLLECTION: LavakaImages_DC2014_003_062 ABSTRACT: Detail of lavaka erosion in roadcut (3): dripstone clay painting by elutriated fines, Field Number C40, UTM Easting 697723, UTM Northing 7903603, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_689.jpg COLLECTION: LavakaImages_DC2014_003_224 ABSTRACT: Midslope lavaka with deeply incised outfall channel, Field Number B85, UTM Easting 703404, UTM Northing 7902964, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_688.jpg COLLECTION: LavakaImages_DC2014_003_223 ABSTRACT: Midslope lavaka with deeply incised outfall channel, Field Number Y1, UTM Easting 202866, UTM Northing 8058501, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_687.jpg COLLECTION: LavakaImages_DC2014_003_222 ABSTRACT: Mature, largely inactive lavaka with eroded septae, vegetated, and dominated by debris apron infill, Field Number B4, UTM Easting 693932, UTM Northing 7906398, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_686.jpg COLLECTION: LavakaImages_DC2014_003_221 ABSTRACT: Mature Eucalyptus trees in mature stage III lavaka, Field Number B1, UTM Easting 693772, UTM Northing 7904884, UTM Zone 38K TOPIC: Eucalyptus,trees,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_685.jpg COLLECTION: LavakaImages_DC2014_003_220 ABSTRACT: Mature (coppiced) Eucalyptus growing inside lavaka, Field Number C2, UTM Easting 692239, UTM Northing 7902962, UTM Zone 38K TOPIC: Eucalyptus,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_684.jpg COLLECTION: LavakaImages_DC2014_003_219 ABSTRACT: Massive headwall of large lavaka that has cut back through ridge crest, Field Number Y15, UTM Easting 203218, UTM Northing 8055765, UTM Zone 39K TOPIC: erosion,mountains LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_683.jpg COLLECTION: LavakaImages_DC2014_003_218 ABSTRACT: Lower walls mantled by debris aprons and limited vertical walls above in mature stage III lavaka, Tyler Corson-Rikert, Field Number B38, UTM Easting 689923, UTM Northing 7906276, UTM Zone 38K TOPIC: walls,erosion LOCATION: Madagascar–Miarinarivo … Continue reading →

DETAIL VIEW: lavaka_682.jpg COLLECTION: LavakaImages_DC2014_003_217 ABSTRACT: Low-activity lavaka (all walls clay-painted) with headwall extending back through ridge crest, Field Number Y34, UTM Easting 199760, UTM Northing 8055141, UTM Zone 39K TOPIC: erosion,mountains LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_681.jpg COLLECTION: LavakaImages_DC2014_003_216 ABSTRACT: Looking from headwall toward outfall of stage III lavaka with vertical upper walls and vegetated, debris-cloaked lower walls, Field Number C9, UTM Easting 692632, UTM Northing 7902316, UTM Zone 38K TOPIC: erosion,walls LOCATION: Madagascar–Miarinarivo … Continue reading →

DETAIL VIEW: lavaka_680.jpg COLLECTION: LavakaImages_DC2014_003_215 ABSTRACT: Long narrow lavaka and bare ground, Field Number Z6, UTM Easting 202685, UTM Northing 8058001, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_68.jpg COLLECTION: LavakaImages_DC2014_003_061 ABSTRACT: Detail of lavaka erosion in roadcut (2): dripstone clay painting by elutriated fines, Field Number C40, UTM Easting 697723, UTM Northing 7903603, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_679.jpg COLLECTION: LavakaImages_DC2014_003_214 ABSTRACT: Limited activity represented by bare patches at top of headwall in well-vegetated lavaka, Field Number Z49, UTM Easting 200975, UTM Northing 8056793, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_678.jpg COLLECTION: LavakaImages_DC2014_003_213 ABSTRACT: Lavakaed landscape, Field Number Z27, UTM Easting 203593, UTM Northing 8057576, UTM Zone 39K TOPIC: erosion,landscapes LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_677.jpg COLLECTION: LavakaImages_DC2014_003_212 ABSTRACT: Lavakaed landscape, Field Number Z34, UTM Easting 203711, UTM Northing 8057990, UTM Zone 39K TOPIC: erosion,landscapes LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_676.jpg COLLECTION: LavakaImages_DC2014_003_211 ABSTRACT: Lavaka, recently reactivated, with some remaining vegetation on headwall debris apron, Field Number Z44, UTM Easting 201105, UTM Northing 8056344, UTM Zone 39K TOPIC: erosion,plants LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_675.jpg COLLECTION: LavakaImages_DC2014_003_210 ABSTRACT: Lavaka with long, winding, deeply-incised outfall, Field Number L2, UTM Easting 7963434, UTM Northing 725360, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_674.jpg COLLECTION: LavakaImages_DC2014_003_209 ABSTRACT: Lavaka with eroded septae preserves vertical headwall but has vegetated interior and outfall, Field Number Z53, UTM Easting 201179, UTM Northing 8054054, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_673.jpg COLLECTION: LavakaImages_DC2014_003_208 ABSTRACT: Lavaka sidewall no longer vertical, mostly vegetated, Field Number B50, UTM Easting 689521, UTM Northing 7906375, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_672.jpg COLLECTION: LavakaImages_DC2014_003_207 ABSTRACT: Lavaka interior, with debris cones building against the steep saprolite walls, Field Number Z41, UTM Easting 200774, UTM Northing 8056597, UTM Zone 39K TOPIC: erosion,saprolites LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_671.jpg COLLECTION: LavakaImages_DC2014_003_206 ABSTRACT: Lavaka in roadcut: grotto with overhanging headwall, and long, thin, incised outfall channel, Michel Rakotondrazafy, UTM Zone 38K TOPIC: erosion,caves LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_670.jpg COLLECTION: LavakaImages_DC2014_003_205 ABSTRACT: Lavaka in partially tree-covered slope. Trees are probably younger than lavaka, Field Number Y48, UTM Easting 200525, UTM Northing 8056058, UTM Zone 39K, Fara Rasoazanamparany TOPIC: erosion,trees LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_67.jpg COLLECTION: LavakaImages_DC2014_003_060 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_669.jpg COLLECTION: LavakaImages_DC2014_003_204 ABSTRACT: Lavaka in last phases of activity. Small vertical wall sections shed small amounts of sediment, but no substantial accumulations noticeable in fully-vegetated interior, Field Number B23, UTM Easting 692675, UTM Northing 7906521, UTM Zone … Continue reading →

DETAIL VIEW: lavaka_668.jpg COLLECTION: LavakaImages_DC2014_003_203 ABSTRACT: Lavaka in convex hillslope, Field Number B77, UTM Easting 690155, UTM Northing 7900961, UTM Zone 38K TOPIC: erosion,mountains LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_667.jpg COLLECTION: LavakaImages_DC2014_003_202 ABSTRACT: Lavaka high in midslope, with long incised outfall; showing also wall collapse and widening of outfall, Field Number B76, UTM Easting 690200, UTM Northing 7900720, UTM Zone 38K TOPIC: erosion,walls LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, … Continue reading →

DETAIL VIEW: lavaka_666.jpg COLLECTION: LavakaImages_DC2014_003_201 ABSTRACT: Lavaka formation within a roadcut by vertical subsurface collapse, forming grotto with overhanging headwall, Heritiana Rakotondramazava, UTM Zone 38K TOPIC: erosion,caves LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_665.jpg COLLECTION: LavakaImages_DC2014_003_200 ABSTRACT: lavaka erosion in roadcut, Field Number C78, UTM Easting 695376, UTM Northing 7904343, UTM Zone 38K, Heritiana Rakotondramazava, Jane McCamant TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_664.jpg COLLECTION: LavakaImages_DC2014_003_199 ABSTRACT: lavaka erosion in roadcut, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_663.jpg COLLECTION: LavakaImages_DC2014_003_198 ABSTRACT: Lavaka developed above and behind weathered/eroded roadcut, Field Number C50, UTM Easting 699035, UTM Northing 7903707, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_662.jpg COLLECTION: LavakaImages_DC2014_003_197 ABSTRACT: Lavaka cutting old road, Field Number B56, UTM Easting 699571, UTM Northing 7907113, UTM Zone 38K TOPIC: erosion,roads LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_661.jpg COLLECTION: LavakaImages_DC2014_003_196 ABSTRACT: Lavaka cut back through hill crest. New roadcut at outfall, but no associated reactivation of old, barely active lavaka, Field Number B60, UTM Easting 699515, UTM Northing 7906629, UTM Zone 38K, Tyler Corson-Rikert TOPIC: … Continue reading →

DETAIL VIEW: lavaka_660.jpg COLLECTION: LavakaImages_DC2014_003_195 ABSTRACT: Lavaka complex above rizière, Mr. Rapaoly, Field Number L6, UTM Easting 7904061, UTM Northing 492397, UTM Zone 38K TOPIC: erosion,Rice–Planting LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_66.jpg COLLECTION: LavakaImages_DC2014_003_059 ABSTRACT: Despite their fresh, young look, both these lavakas had attained their present size by 1965. Recent, unvegetated sand deposits visible between trees on valley floor, Field Number Y15, UTM Easting 203218, UTM Northing 8055765, … Continue reading →

DETAIL VIEW: lavaka_659.jpg COLLECTION: LavakaImages_DC2014_003_194 ABSTRACT: Lavaka becoming invaded by pine and eucalyptus scrub, Field Number B35, UTM Easting 691470, UTM Northing 7905298, UTM Zone 38K TOPIC: erosion,pine,Eucalyptus LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_658.jpg COLLECTION: LavakaImages_DC2014_003_193 ABSTRACT: Lavaka becoming inactive, Field Number C13, UTM Easting 694747, UTM Northing 7903306, UTM Zone 38K, Heritiana Rakotondramazava TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_657.jpg COLLECTION: LavakaImages_DC2014_003_192 ABSTRACT: Lavaka and bare ground on sparsely treed slope. Eucalyptus are younger than lavaka, Field Number Y42, UTM Easting 201503, UTM Northing 8054721, UTM Zone 39K TOPIC: erosion,trees,Eucalyptus LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_656.jpg COLLECTION: LavakaImages_DC2014_003_191 ABSTRACT: Laterite and saprolite visible in steep walls of active stage III lavaka, Field Number C17, UTM Easting 694164, UTM Northing 7902822, UTM Zone 38K, Heritiana Rakotondramazava TOPIC: laterite,saprolites,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_655.jpg COLLECTION: LavakaImages_DC2014_003_190 ABSTRACT: Laterite and saprolite visible in steep walls of active stage III lavaka, Field Number C17, UTM Easting 694164, UTM Northing 7902822, UTM Zone 38K TOPIC: laterite,saprolites,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_654.jpg COLLECTION: LavakaImages_DC2014_003_189 ABSTRACT: Largely inactive, tree-filled lavaka developed in side wall of much older, larger stage V lavaka, Field Number Y49, UTM Easting 202101, UTM Northing 8055617, UTM Zone 39K TOPIC: trees,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_653.jpg COLLECTION: LavakaImages_DC2014_003_188 ABSTRACT: Largely inactive lavakas, with small areas of recent sediment loss, Field Number B9, UTM Easting 693712, UTM Northing 7906580, UTM Zone 38K TOPIC: erosion,Sediments (Geology) LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_652.jpg COLLECTION: LavakaImages_DC2014_003_187 ABSTRACT: Largely inactive lavakas on hillslope behind village, Field Number B48, UTM Easting 700532, UTM Northing 7901268, UTM Zone 38K TOPIC: erosion,villages LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_651.jpg COLLECTION: LavakaImages_DC2014_003_186 ABSTRACT: Largely inactive lavaka, with deeply eroded septum, and a few bare shedding patches in walls, Field Number B13, UTM Easting 693989, UTM Northing 7906839, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_650.jpg COLLECTION: LavakaImages_DC2014_003_185 ABSTRACT: Largely inactive lavaka, mostly infilled by vegetated debris aprons, formed by merging of two adjacent single-lobed lavakas, Field Number L12, UTM Easting 7906008, UTM Northing 752338, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_65.jpg COLLECTION: LavakaImages_DC2014_003_058 ABSTRACT: Descent into lavaka, Field Number L2, UTM Easting 7963434, UTM Northing 725360, UTM Zone 38K, Nathalie Bakoariniaina TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_649.jpg COLLECTION: LavakaImages_DC2014_003_183 ABSTRACT: Largely inactive lavaka, grassed over, Field Number B2, UTM Easting 694167, UTM Northing 7905650, UTM Zone 38K TOPIC: erosion,grasses LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_648.jpg COLLECTION: LavakaImages_DC2014_003_184 ABSTRACT: Largely inactive lavaka, mostly infilled by vegetated debris aprons, formed by merging of two adjacent single-lobed lavakas, Field Number L11, UTM Easting 7906198, UTM Northing 751931, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_647.jpg COLLECTION: LavakaImages_DC2014_003_182 ABSTRACT: Largely inactive lavaka, grassed over, retains incised outfall channels, Field Number C53, UTM Easting 702896, UTM Northing 7902898, UTM Zone 38K TOPIC: erosion,grasses LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_646.jpg COLLECTION: LavakaImages_DC2014_003_181 ABSTRACT: Large-scale polygonal cracks in surface beside large active lavaka. Bare ground with large-scale cracks like this is unusual. Note grottoes in lavaka sidewall in background, Field Number B66, UTM Easting 701304, UTM Northing 7906505, … Continue reading →

DETAIL VIEW: lavaka_645.jpg COLLECTION: LavakaImages_DC2014_003_180 ABSTRACT: Large-scale polygonal cracks in surface beside large active lavaka. Bare ground with large-scale cracks like this is unusual, Field Number B66, UTM Easting 701304, UTM Northing 7906505, UTM Zone 38K TOPIC: Rocks–cracking,erosion LOCATION: Madagascar–Miarinarivo … Continue reading →

DETAIL VIEW: lavaka_644.jpg COLLECTION: LavakaImages_DC2014_003_179 ABSTRACT: Large-scale polygonal cracks in surface beside large active lavaka. Bare ground with large-scale cracks like this is unusual, Field Number B66, UTM Easting 701304, UTM Northing 7906505, UTM Zone 38K, Michel Rakotondrazafy TOPIC: Rocks–Cracking,erosion … Continue reading →

DETAIL VIEW: lavaka_643.jpg COLLECTION: LavakaImages_DC2014_003_178 ABSTRACT: Large, presently inactive lavaka preserves flat floor, Field Number Z76, UTM Easting 201313, UTM Northing 8057408, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_642.jpg COLLECTION: LavakaImages_DC2014_003_177 ABSTRACT: Large vertical pipe with grottoes and resistant (quartz-rich) layers in saprolite, Field Number L2, UTM Easting 7963434, UTM Northing 725360, UTM Zone 38K TOPIC: pipe,caves,quartz,saprolites LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_641.jpg COLLECTION: LavakaImages_DC2014_003_176 ABSTRACT: Large vertical pipe intersects surface in lavaka headwall, Field Number Z65, UTM Easting 200633, UTM Northing 8061155, UTM Zone 39K TOPIC: piping,erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_640.jpg COLLECTION: LavakaImages_DC2014_003_175 ABSTRACT: Large road-cutting lavaka. Old road runs from top right to upper left, not clearly visible in this view (see 2004_B56_4), Field Number B56, UTM Easting 699571, UTM Northing 7907113, UTM Zone 38K TOPIC: erosion,roads … Continue reading →

DETAIL VIEW: lavaka_64.jpg COLLECTION: LavakaImages_DC2014_003_057 ABSTRACT: Demi-orange topography, with one largely inactive lavaka in midground, Field Number Y50, UTM Easting 202192, UTM Northing 8055664, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_639.jpg COLLECTION: LavakaImages_DC2014_003_174 ABSTRACT: Large plumose lavaka complex. Cows in lower left for scale, Field Number L12 TOPIC: erosion,cows LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_638.jpg COLLECTION: LavakaImages_DC2014_003_173 ABSTRACT: Large midslope lavaka, Field Number Y2, UTM Easting 202984, UTM Northing 8058195, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_637.jpg COLLECTION: LavakaImages_DC2014_003_172 ABSTRACT: Large lavaka with narrow elongate outfall, in convex hillslope, Field Number B61, UTM Easting 699584, UTM Northing 7906704, UTM Zone 38K TOPIC: erosion,mountains LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_636.jpg COLLECTION: LavakaImages_DC2014_003_171 ABSTRACT: Large lavaka with big coherent downdropped block in interior. Very unusual morphology, Field Number Y13, UTM Easting 203309, UTM Northing 8055752, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_635.jpg COLLECTION: LavakaImages_DC2014_003_170 ABSTRACT: Large lavaka surrounded by bare ground erosional patches, Field Number Y6, UTM Easting 200830, UTM Northing 8052444, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_634.jpg COLLECTION: LavakaImages_DC2014_003_169 ABSTRACT: Large lavaka consists of two adjacent lavakas with intervening wall almost completely removed, Field Number Z29, UTM Easting 203415, UTM Northing 8057038, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_633.jpg COLLECTION: LavakaImages_DC2014_003_168 ABSTRACT: Large inactive lavaka with tiny new lavaka (?3 m long) to left, Field Number B12, UTM Easting 694390, UTM Northing 7906868, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_632.jpg COLLECTION: LavakaImages_DC2014_003_167 ABSTRACT: Large downdropped block in lavaka interior. May have a small rotational component, Field Number Y13, UTM Easting 203309, UTM Northing 8055752, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_631.jpg COLLECTION: LavakaImages_DC2014_003_166 ABSTRACT: Large block fallen from sidewall, Field Number Y16, UTM Easting 203105, UTM Northing 8055791, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_630.jpg COLLECTION: LavakaImages_DC2014_003_165 ABSTRACT: Large active lavaka, with wide outfall, has eroded to hill crest, Field Number Z50, UTM Easting 201005, UTM Northing 8056918, UTM Zone 39K TOPIC: erosion,mountains LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_63.jpg COLLECTION: LavakaImages_DC2014_003_056 ABSTRACT: Deeply incised, narrow, flat-floored outflow channel, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_629.jpg COLLECTION: LavakaImages_DC2014_003_164 ABSTRACT: Large active lavaka, with recent debris being shed from pre-existing debris aprons. Evenly-spaced plantings on last seasons bare sand deposits are an attempt to stabilise the surface, Field Number Y6_Y7, UTM Zone 39K TOPIC: … Continue reading →

DETAIL VIEW: lavaka_628.jpg COLLECTION: LavakaImages_DC2014_003_163 ABSTRACT: Large active lavaka, with bite out of wall separating it from another large lavaka behind and to left. Erosion of wall separating two discrete lavakas will generate a large lavaka complex, Field Number Y37, … Continue reading →

DETAIL VIEW: lavaka_627.jpg COLLECTION: LavakaImages_DC2014_003_162 ABSTRACT: Large active lavaka, but with sloped rather than vertical headwall, Field Number Y9, UTM Easting 200967, UTM Northing 8052356, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_626.jpg COLLECTION: LavakaImages_DC2014_003_161 ABSTRACT: Large active lavaka with headwall at ridge crest. Recent sand deposits in foreground, Field Number Y52, UTM Easting 202012, UTM Northing 8056343, UTM Zone 39K TOPIC: erosion,mountains,sand LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_625.jpg COLLECTION: LavakaImages_DC2014_003_160 ABSTRACT: Large active lavaka has cut back through ridge crest. New plantings on exposed sand in outfall area are a stabilisation attempt, Field Number Z19, UTM Easting 203350, UTM Northing 8057146, UTM Zone 39K TOPIC: … Continue reading →

DETAIL VIEW: lavaka_624.jpg COLLECTION: LavakaImages_DC2014_003_159 ABSTRACT: Landscape with several inactive lavakas, Field Number B12, UTM Easting 694390, UTM Northing 7906868, UTM Zone 38K TOPIC: landscapes,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_623.jpg COLLECTION: LavakaImages_DC2014_003_158 ABSTRACT: Landscape with lavakas of different sizes and stages of evolution, Field Number Z41, UTM Easting 200774, UTM Northing 8056597, UTM Zone 39K TOPIC: erosion,evolution LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_622.jpg COLLECTION: LavakaImages_DC2014_003_157 ABSTRACT: Landscape with lavakas of different sizes and stages of evolution, Field Number L9, UTM Easting 7902724, UTM Northing 799428, UTM Zone 38K TOPIC: landscapes,erosion,evolution LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_621.jpg COLLECTION: LavakaImages_DC2014_003_156 ABSTRACT: Landscape with lavakas of different sizes and stages of evolution, UTM Zone 38K TOPIC: landscapes,erosion,evolution LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_620.jpg COLLECTION: LavakaImages_DC2014_003_155 ABSTRACT: Landscape with lavakas of different sizes and stages of evolution, UTM Zone 38K TOPIC: Landscapes,erosion,evolution LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_62.jpg COLLECTION: LavakaImages_DC2014_003_055 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_619.jpg COLLECTION: LavakaImages_DC2014_003_154 ABSTRACT: Landscape with lavakas at many stages of evolution, from very active stage III (left), to inactive stage V (right, mid-ground), to stage V with newly-formed stage II in left wall (right, foreground), Field Number … Continue reading →

DETAIL VIEW: lavaka_618.jpg COLLECTION: LavakaImages_DC2014_003_153 ABSTRACT: Jane stands on fallen roof (still vegetated in base of newly-formed lavaka, Jane McCamant, Field Number C75, UTM Easting 699519, UTM Northing 7906199, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_617.jpg COLLECTION: LavakaImages_DC2014_003_152 ABSTRACT: Jane points to seepage along hairline crack in saprolite, in headwall of newly formed lavaka, Jane McCamant, Field Number C75, UTM Easting 699519, UTM Northing 7906199, UTM Zone 38K TOPIC: seepage,Rocks–Cracking,saprolites,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_616.jpg COLLECTION: LavakaImages_DC2014_003_151 ABSTRACT: Interior of tree-filled lavaka, with small bare (but clay-painted, not recently active) patches on vertical walls, Field Number Y45, UTM Easting 202692, UTM Northing 8052992, UTM Zone 39K TOPIC: trees,erosion LOCATION: Madagascar AUTHOR: Cox, … Continue reading →

DETAIL VIEW: lavaka_615.jpg COLLECTION: LavakaImages_DC2014_003_150 ABSTRACT: Interior of steep-walled active lavaka, Field Number Z34, UTM Easting 203711, UTM Northing 8057990, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_614.jpg COLLECTION: LavakaImages_DC2014_003_149 ABSTRACT: Interior of lightly active stage III lavaka. Retains vertical faces, but clay-painted, with little recent sediment shedding, Tyler Corson-Rikert, Field Number B61, UTM Easting 699410, UTM Northing 7906606, UTM Zone 38K TOPIC: erosion,Sediment (Geology) … Continue reading →

DETAIL VIEW: lavaka_613.jpg COLLECTION: LavakaImages_DC2014_003_148 ABSTRACT: Incised outfall from large midslope lavaka, Tyler Corson-Rikert, Field Number B85, UTM Easting 703404, UTM Northing 7902964, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_612.jpg COLLECTION: LavakaImages_DC2014_003_147 ABSTRACT: Incised outfall channel in large lavaka, Field Number Y17, UTM Easting 203179, UTM Northing 8056077, UTM Zone 39K, Fara Rasoazanamparany TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_611.jpg COLLECTION: LavakaImages_DC2014_003_146 ABSTRACT: Incised narrow outfall channel, with recent sediment movement and present groundwater seepage, Field Number Z64, UTM Easting 200664, UTM Northing 8061254, UTM Zone 39K TOPIC: Sedimentation and deposition,seepage LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_610.jpg COLLECTION: LavakaImages_DC2014_003_145 ABSTRACT: Incipient lavaka: collapse is incomplete, but multiple pipes intersect surface, Field Number Z67, UTM Easting 201647, UTM Northing 8062034, UTM Zone 39K TOPIC: erosion,pipes LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_61.jpg COLLECTION: LavakaImages_DC2014_003_054 ABSTRACT: Deeply incised, narrow outfall in large lavaka, Field Number Z15, UTM Easting 202941, UTM Northing 8057274, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_609.jpg COLLECTION: LavakaImages_DC2014_003_144 ABSTRACT: Inactive, stage V lavakas, Field Number C47, UTM Easting 698789, UTM Northing 7903819, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_608.jpg COLLECTION: LavakaImages_DC2014_003_143 ABSTRACT: Inactive lavaka. Erosional remnant of gneiss (outcrop lower right) is encased in saprolite, Field Number B86, UTM Easting 691911, UTM Northing 7901007, UTM Zone 38K TOPIC: erosion,gneiss,saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_607.jpg COLLECTION: LavakaImages_DC2014_003_142 ABSTRACT: Inactive lavaka, grassed over and bowl-shaped, with one remaining bare wall, totally clay-painted, Field Number B18, UTM Easting 695197, UTM Northing 7906815, UTM Zone 38K TOPIC: erosion,grasses LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_606.jpg COLLECTION: LavakaImages_DC2014_003_141 ABSTRACT: Inactive lavaka with eroded diagonal (unusual!) septae, Field Number B40, UTM Easting 689773, UTM Northing 7906092, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_605.jpg COLLECTION: LavakaImages_DC2014_003_140 ABSTRACT: Inactive lavaka on left (but with central bare patch showing vertical piping), and reactivated, newly deepened lavaka on right, Field Number Z14, UTM Easting 202168, UTM Northing 8058530, UTM Zone 39K TOPIC: erosion,piping LOCATION: … Continue reading →

DETAIL VIEW: lavaka_604.jpg COLLECTION: LavakaImages_DC2014_003_139 ABSTRACT: Inactive lavaka, Field Number B26, UTM Easting 692433, UTM Northing 7906580, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_603.jpg COLLECTION: LavakaImages_DC2014_003_138 ABSTRACT: Inactive and fully vegetated lavaka, Field Number Z7, UTM Easting 202678, UTM Northing 8058211, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_602.jpg COLLECTION: LavakaImages_DC2014_003_137 ABSTRACT: In the compass of a large stage V lavaka are bare ground and several lavakas in various stages of activity. A channel has been dug through the centre of the cultivated flat area (old … Continue reading →

DETAIL VIEW: lavaka_601.jpg COLLECTION: LavakaImages_DC2014_003_136 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_600.jpg COLLECTION: LavakaImages_DC2014_003_135 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_60.jpg COLLECTION: LavakaImages_DC2014_003_053 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_599.jpg COLLECTION: LavakaImages_DC2014_003_134 ABSTRACT: Headwall of sporadically active lavaka: some recent falls, and some (darker) clay-painted sections. Field Number C8, UTM Easting 693130, UTM Northing 7903081, UTM Zone 38K, Jane McCamant TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_598.jpg COLLECTION: LavakaImages_DC2014_003_133 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_597.jpg COLLECTION: LavakaImages_DC2014_003_132 ABSTRACT: Headwall of newly-formed lavaka shows red laterite at top, underlain by pale pink saprolite with dark zones indicating water seepage, Field Number C75, UTM Easting 699519, UTM Northing 7906199, UTM Zone 38K, Heritiana Rakotondramazava … Continue reading →

DETAIL VIEW: lavaka_596.jpg COLLECTION: LavakaImages_DC2014_003_131 ABSTRACT: Head and side walls show both recently collapsed (very pale) and clay-painted (greyish) section, Field Number Y6, UTM Easting 200830, UTM Northing 8052444, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_595.jpg COLLECTION: LavakaImages_DC2014_003_130 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_594.jpg COLLECTION: LavakaImages_DC2014_003_129 ABSTRACT: Groundwater seepage in base of lavaka. Saprolite above (paler) is dry; that below (darker) is wet, Ronadh Cox, UTM Zone 38K TOPIC: Groundwater,erosion,saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_593.jpg COLLECTION: LavakaImages_DC2014_003_128 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_592.jpg COLLECTION: LavakaImages_DC2014_003_127 ABSTRACT: Grottoes form in less-resistant (less quartz-rich) saprolite; blocky debris collects at base, Field Number L2, UTM Easting 7963434, UTM Northing 725360, UTM Zone 38K TOPIC: caves,saprolites LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_591.jpg COLLECTION: LavakaImages_DC2014_003_126 ABSTRACT: Grottoes and debris aprons in active lavaka, Field Number Y54, UTM Easting 202693, UTM Northing 8052525, UTM Zone 39K TOPIC: caves,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_590.jpg COLLECTION: LavakaImages_DC2014_003_125 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_59.jpg COLLECTION: LavakaImages_DC2014_003_052 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_589.jpg COLLECTION: LavakaImages_DC2014_003_124 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_588.jpg COLLECTION: LavakaImages_DC2014_003_123 ABSTRACT: Grotto in roadcut, Field Number C50, UTM Easting 699035, UTM Northing 7903707, UTM Zone 38K TOPIC: caves LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_587.jpg COLLECTION: LavakaImages_DC2014_003_122 ABSTRACT: Grotto in roadcut, Field Number C50, UTM Easting 699035, UTM Northing 7903707, UTM Zone 38K, Heritiana Rakotondramazava TOPIC: caves LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_586.jpg COLLECTION: LavakaImages_DC2014_003_121 ABSTRACT: Grotto formed by roof-down blockfall in active sidewall, Field Number C51, UTM Easting 702839, UTM Northing 7902825, UTM Zone 38K TOPIC: caves LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_585.jpg COLLECTION: LavakaImages_DC2014_003_120 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_584.jpg COLLECTION: LavakaImages_DC2014_003_119 ABSTRACT: Grassy floor (with fields) and steep walls of active stage III lavaka, Field Number C17, UTM Easting 694164, UTM Northing 7902822, UTM Zone 38K TOPIC: grasses,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_583.jpg COLLECTION: LavakaImages_DC2014_003_118 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_582.jpg COLLECTION: LavakaImages_DC2014_003_117 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_581.jpg COLLECTION: LavakaImages_DC2014_003_116 ABSTRACT: Gneissic foliation preserved in multi-coloured saprolite, Field Number L2, UTM Easting 7963434, UTM Northing 725360, UTM Zone 38K TOPIC: saprolites LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_580.jpg COLLECTION: LavakaImages_DC2014_003_115 ABSTRACT: Gneissic foliation in saprolite exposed in vertical lavaka wall, Field Number B36, UTM Easting 690243, UTM Northing 7905645, UTM Zone 38K TOPIC: saprolites,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_58.jpg COLLECTION: LavakaImages_DC2014_003_051 ABSTRACT: Deeply incised, narrow outfall channel, Field Number Z26, UTM Easting 203601, UTM Northing 8057609, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_579.jpg COLLECTION: LavakaImages_DC2014_003_114 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_578.jpg COLLECTION: LavakaImages_DC2014_003_113 ABSTRACT: Fully v-shaped lavaka with almost no remaining activity, Tyler Corson-Rikert, Field Number B22, UTM Easting 693786, UTM Northing 7906309, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_577.jpg COLLECTION: LavakaImages_DC2014_003_112 ABSTRACT: Fully V-shaped inactive lavaka, Field Number B14, UTM Easting 693435, UTM Northing 7907076, UTM Zone 38K, Heritiana Rakotondramazava TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_576.jpg COLLECTION: LavakaImages_DC2014_003_111 ABSTRACT: Foreground shows weathered septum within stage III lavaka, Field Number C24, UTM Easting 694301, UTM Northing 7904518, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_575.jpg COLLECTION: LavakaImages_DC2014_003_110 ABSTRACT: Foreground shows weathered septum within stage III lavaka, Field Number C24, UTM Easting 694301, UTM Northing 7904518, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_574.jpg COLLECTION: LavakaImages_DC2014_003_109 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_573.jpg COLLECTION: LavakaImages_DC2014_003_108 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_572.jpg COLLECTION: LavakaImages_DC2014_003_107 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_571.jpg COLLECTION: LavakaImages_DC2014_003_106 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_570.jpg COLLECTION: LavakaImages_DC2014_003_105 ABSTRACT: Fields in outfall area of old lavaka with one remaining sediment-shedding patch (on right,) Field Number B25, UTM Easting 692491, UTM Northing 7906470, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_57.jpg COLLECTION: LavakaImages_DC2014_003_050 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_569.jpg COLLECTION: LavakaImages_DC2014_003_104 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_568.jpg COLLECTION: LavakaImages_DC2014_003_103 ABSTRACT: Fields in base of weathered and vegetated lavaka, Field Number C28, UTM Easting 694465, UTM Northing 7904782, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_567.jpg COLLECTION: LavakaImages_DC2014_003_102 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_566.jpg COLLECTION: LavakaImages_DC2014_003_101 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_565.jpg COLLECTION: LavakaImages_DC2014_003_100 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_564.jpg COLLECTION: LavakaImages_DC2014_003_099 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_563.jpg COLLECTION: LavakaImages_DC2014_003_098 ABSTRACT: Eucalyptus ground in the out fall, Field Number C20, UTM Easting 697617, UTM Northing 7903611, UTM Zone 38K TOPIC: Eucalyptus,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_562.jpg COLLECTION: LavakaImages_DC2014_003_097 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_561.jpg COLLECTION: LavakaImages_DC2014_003_096 ABSTRACT: Erosion of wall separating two discrete lavakas will generate a large lavaka complex, Field Number Z3, UTM Easting 203022, UTM Northing 8057867, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_560.jpg COLLECTION: LavakaImages_DC2014_003_095 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_56.jpg COLLECTION: LavakaImages_DC2014_003_049 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_559.jpg COLLECTION: LavakaImages_DC2014_003_094 ABSTRACT: Eroded septum in sporadically active stage III lavaka, largely infilled, Field Number B53, UTM Easting 689670, UTM Northing 7907214, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_558.jpg COLLECTION: LavakaImages_DC2014_003_093 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_557.jpg COLLECTION: LavakaImages_DC2014_003_092 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_556.jpg COLLECTION: LavakaImages_DC2014_003_091 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_555.jpg COLLECTION: LavakaImages_DC2014_003_090 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_554.jpg COLLECTION: LavakaImages_DC2014_003_089 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_553.jpg COLLECTION: LavakaImages_DC2014_003_088 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_552.jpg COLLECTION: LavakaImages_DC2014_003_087 ABSTRACT: Eroded septae in less-active, clay-painted sidewall of active lavaka. Freshly moved sand visible on flat lavaka floor, Field Number Z19, UTM Easting 203350, UTM Northing 8057146, UTM Zone 39K TOPIC: erosion,sand LOCATION: Madagascar AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_551.jpg COLLECTION: LavakaImages_DC2014_003_086 ABSTRACT: Eroded septae in inactive lavaka, Field Number B24, UTM Easting 692637, UTM Northing 7906552, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_550.jpg COLLECTION: LavakaImages_DC2014_003_085 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_55.jpg COLLECTION: LavakaImages_DC2014_003_048 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_549.jpg COLLECTION: LavakaImages_DC2014_003_084 ABSTRACT: Eroded laterite overlying paler saprolite (foliation visible dipping to right), Field Number B86, UTM Easting 691911, UTM Northing 7901007, UTM Zone 38K TOPIC: laterite,saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_548.jpg COLLECTION: LavakaImages_DC2014_003_083 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_547.jpg COLLECTION: LavakaImages_DC2014_003_082 ABSTRACT: Early stage III lavaka, sporadically active, view toward outfall, Field Number C10_1, UTM Easting 692949, UTM Northing 7902107, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_546.jpg COLLECTION: LavakaImages_DC2014_003_081 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_545.jpg COLLECTION: LavakaImages_DC2014_003_080 ABSTRACT: Down-valley view of long outfall channel, Field Number B85, UTM Easting 703404, UTM Northing 7902964, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_544.jpg COLLECTION: LavakaImages_DC2014_003_079 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_543.jpg COLLECTION: LavakaImages_DC2014_003_078 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_542.jpg COLLECTION: LavakaImages_DC2014_003_077 ABSTRACT: Down-lavaka view showing narrow winding outfall, and grotto formation at active wall bases, Field Number Z2, UTM Easting 202834, UTM Northing 8057954, UTM Zone 39K TOPIC: erosion,caves LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_541.jpg COLLECTION: LavakaImages_DC2014_003_076 ABSTRACT: Down-lavaka view showing eroded septae and long outfall channel to valley floor, Field Number B92, UTM Easting 691577, UTM Northing 7899731, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_540.jpg COLLECTION: LavakaImages_DC2014_003_075 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_54.jpg COLLECTION: LavakaImages_DC2014_003_047 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_539.jpg COLLECTION: LavakaImages_DC2014_003_074 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_538.jpg COLLECTION: LavakaImages_DC2014_003_073 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_537.jpg COLLECTION: LavakaImages_DC2014_003_072 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_536.jpg COLLECTION: LavakaImages_DC2014_003_071 ABSTRACT: Down-lavaka view of barely active stage III lavaka, with eroded setpae, Field Number B63, UTM Easting 699584, UTM Northing 7906704, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_535.jpg COLLECTION: LavakaImages_DC2014_003_070 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_534.jpg COLLECTION: LavakaImages_DC2014_003_069 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_533.jpg COLLECTION: LavakaImages_DC2014_003_068 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_532.jpg COLLECTION: LavakaImages_DC2014_003_067 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_531.jpg COLLECTION: LavakaImages_DC2014_003_066 ABSTRACT: Development of lavaka erosion above and behind roadcut in laterite/saprolite, Field Number C40, UTM Easting 697723, UTM Northing 7903603, UTM Zone 38K, Heritiana Rakotondramazava TOPIC: erosion,saprolites,laterite LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_530.jpg COLLECTION: LavakaImages_DC2014_003_065 ABSTRACT: Development of lavaka erosion above and behind roadcut in laterite/saprolite, Field Number C40, UTM Easting 697723, UTM Northing 7903603, UTM Zone 38K TOPIC: erosion,laterite,saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_53.jpg COLLECTION: LavakaImages_DC2014_003_046 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_529.jpg COLLECTION: LavakaImages_DC2014_003_064 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_528.jpg COLLECTION: LavakaImages_DC2014_003_063 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_527.jpg COLLECTION: LavakaImages_DC2014_003_062 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_526.jpg COLLECTION: LavakaImages_DC2014_003_061 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_525.jpg COLLECTION: LavakaImages_DC2014_003_060 ABSTRACT: Detail of lavaka erosion in roadcut (1): grotto formed below crack from surface, Field Number C40, UTM Easting 697723, UTM Northing 7903603, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_524.jpg COLLECTION: LavakaImages_DC2014_003_059 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_523.jpg COLLECTION: LavakaImages_DC2014_003_058 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_522.jpg COLLECTION: LavakaImages_DC2014_003_057 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_521.jpg COLLECTION: LavakaImages_DC2014_003_056 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_520.jpg COLLECTION: LavakaImages_DC2014_003_055 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_52.jpg COLLECTION: LavakaImages_DC2014_003_045 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_519.jpg COLLECTION: LavakaImages_DC2014_003_054 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_518.jpg COLLECTION: LavakaImages_DC2014_003_053 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_517.jpg COLLECTION: LavakaImages_DC2014_003_052 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_516.jpg COLLECTION: LavakaImages_DC2014_003_051 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_515.jpg COLLECTION: LavakaImages_DC2014_003_050 ABSTRACT: Declining activity in mature lavaka. Bare vertical faces remain, but no fresh deposits in fully-vegetated interior, Field Number B19, UTM Easting 695180, UTM Northing 7906863, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, … Continue reading →

DETAIL VIEW: lavaka_514.jpg COLLECTION: LavakaImages_DC2014_003_049 ABSTRACT: Debris aprons, both recent and vegetated, in active lavaka, Field Number Z21, UTM Easting 203367, UTM Northing 8057960, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_513.jpg COLLECTION: LavakaImages_DC2014_003_048 ABSTRACT: Debris apron of recently fallen wall material, Field Number Z2, UTM Easting 202834, UTM Northing 8057954, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_512.jpg COLLECTION: LavakaImages_DC2014_003_047 ABSTRACT: Debris apron in large active lavaka, Field Number Y16, UTM Easting 203105, UTM Northing 8055791, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_511.jpg COLLECTION: LavakaImages_DC2014_003_046 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_510.jpg COLLECTION: LavakaImages_DC2014_003_045 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_51.jpg COLLECTION: LavakaImages_DC2014_003_044 ABSTRACT: Debris apron (foreground) and saprolite with foliation (background), Field Number Y2, UTM Easting 202984, UTM Northing 8058195, UTM Zone 39K TOPIC: saprolites LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_509.jpg COLLECTION: LavakaImages_DC2014_003_044 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_508.jpg COLLECTION: LavakaImages_DC2014_003_043 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_507.jpg COLLECTION: LavakaImages_DC2014_003_042 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_506.jpg COLLECTION: LavakaImages_DC2014_003_041 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_505.jpg COLLECTION: LavakaImages_DC2014_003_040 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_504.jpg COLLECTION: LavakaImages_DC2014_003_039 ABSTRACT: Crestline with bites out of it: lavakas cut through ridgeline, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_503.jpg COLLECTION: LavakaImages_DC2014_003_038 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_502.jpg COLLECTION: LavakaImages_DC2014_003_037 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_501.jpg COLLECTION: LavakaImages_DC2014_003_036 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_500.jpg COLLECTION: LavakaImages_DC2014_003_035 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_50.jpg COLLECTION: LavakaImages_DC2014_003_043 ABSTRACT: Dark patches in pale saprolite represent water seepage in active lavaka wall, Field Number Y26, UTM Easting 203483, UTM Northing 8060877, UTM Zone 39K TOPIC: saprolites,seepage,erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_499.jpg COLLECTION: LavakaImages_DC2014_003_034 ABSTRACT: Convex hills and flat valley floor. One lavaka partly hidden on right side, Field Number Z62, UTM Easting 200520, UTM Northing 8061538, UTM Zone 39K TOPIC: mountains,erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_498.jpg COLLECTION: LavakaImages_DC2014_003_033 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_497.jpg COLLECTION: LavakaImages_DC2014_003_032 ABSTRACT: Complex of three lavakas. The rightmost lobe is essentially inactive, and has fields in the base. The centre and left (mostly hidden) are sporadically active, with fully vegetated but uncultivated interiors, Field Number Y58, … Continue reading →

DETAIL VIEW: lavaka_496.jpg COLLECTION: LavakaImages_DC2014_003_031 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_495.jpg COLLECTION: LavakaImages_DC2014_003_030 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_494.jpg COLLECTION: LavakaImages_DC2014_003_029 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_493.jpg COLLECTION: LavakaImages_DC2014_003_028 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_492.jpg COLLECTION: LavakaImages_DC2014_003_027 ABSTRACT: Clay-painted walls in stage III lavaka, Field Number C34, UTM Easting 697657, UTM Northing 7903753, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_491.jpg COLLECTION: LavakaImages_DC2014_003_026 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_490.jpg COLLECTION: LavakaImages_DC2014_003_025 ABSTRACT: Canal dug to divert (away from ricefields) sediment flows coming from active lavaka, Field Number Z64, UTM Easting 200664 , UTM Northing 8061254, UTM Zone 39K TOPIC: Canals,Rice–Planting,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_49.jpg COLLECTION: LavakaImages_DC2014_003_042 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_489.jpg COLLECTION: LavakaImages_DC2014_003_024 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_488.jpg COLLECTION: LavakaImages_DC2014_003_023 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_487.jpg COLLECTION: LavakaImages_DC2014_003_022 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_486.jpg COLLECTION: LavakaImages_DC2014_003_021 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_485.jpg COLLECTION: LavakaImages_DC2014_003_020 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_484.jpg COLLECTION: LavakaImages_DC2014_003_019 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_483.jpg COLLECTION: LavakaImages_DC2014_003_018 ABSTRACT: Bare ground patches and lavaka on hillslope. The bare ground patches appear in 1965 air photos, Field Number Z9, UTM Easting 202566, UTM Northing 8058427, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, … Continue reading →

DETAIL VIEW: lavaka_482.jpg COLLECTION: LavakaImages_DC2014_003_017 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_481.jpg COLLECTION: LavakaImages_DC2014_003_016 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_480.jpg COLLECTION: LavakaImages_DC2014_003_015 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_48.jpg COLLECTION: LavakaImages_DC2014_003_041 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_479.jpg COLLECTION: LavakaImages_DC2014_003_014 ABSTRACT: Amphitheatre view of active lavaka, Field Number B76, UTM Easting 690200, UTM Northing 7900720, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_478.jpg COLLECTION: LavakaImages_DC2014_003_013 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_477.jpg COLLECTION: LavakaImages_DC2014_003_012 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_476.jpg COLLECTION: LavakaImages_DC2014_003_011 ABSTRACT: Active stage II lobe in stage III complex, Field Number C24_A, UTM Easting 694301, UTM Northing 7904518, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_475.jpg COLLECTION: LavakaImages_DC2014_003_007 ABSTRACT: Active lavaka with recent debris flow entering stream in foreground, Field Number Z28, UTM Easting 203451, UTM Northing 8057302, UTM Zone 39K TOPIC: erosion,Rivers LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_474.jpg COLLECTION: LavakaImages_DC2014_003_010 ABSTRACT: Active lavakas, Field Number Y11, UTM Easting 201005, UTM Northing 8052879, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_473.jpg COLLECTION: LavakaImages_DC2014_003_009 ABSTRACT: Active lavaka, headwall intersecting road, in landscape of mixed grass and trees, Field Number Z72, UTM Easting 202448, UTM Northing 8053702, UTM Zone 39K TOPIC: erosion,roads,grasses,trees LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_472.jpg COLLECTION: LavakaImages_DC2014_003_007 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_471.jpg COLLECTION: LavakaImages_DC2014_003_006 ABSTRACT: Active lavaka intersecting road, Field Number Z70, UTM Easting 202452, UTM Northing 8056193, UTM Zone 39K TOPIC: erosion,roads LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_470.jpg COLLECTION: LavakaImages_DC2014_003_005 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_47.jpg COLLECTION: LavakaImages_DC2014_003_040 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_469.jpg COLLECTION: LavakaImages_DC2014_003_004 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_468.jpg COLLECTION: LavakaImages_DC2014_003_003 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_467.jpg COLLECTION: LavakaImages_DC2014_003_002 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_466.jpg COLLECTION: LavakaImages_DC2014_003_001 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_46.jpg COLLECTION: LavakaImages_DC2014_003_039 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_45.jpg COLLECTION: LavakaImages_DC2014_003_038 ABSTRACT: Cracks and vertical pipes in side and headwall of active lavaka, Field Number Z64, UTM Easting 200664, UTM Northing 8061254, UTM Zone 39K TOPIC: piping,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_44.jpg COLLECTION: LavakaImages_DC2014_003_037 ABSTRACT: Crack behind active headwall: probable site of next season’s wallfall, Field Number Z34, UTM Easting 203711, UTM Northing 8057990, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_43.jpg COLLECTION: LavakaImages_DC2014_003_036 ABSTRACT: Crack behind active headwall: probable site of next season’s wallfall, Field Number Z8, UTM Easting 202583, UTM Northing 8058244, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_42.jpg COLLECTION: LavakaImages_DC2014_003_035 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_41.jpg COLLECTION: LavakaImages_DC2014_003_034 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_40.jpg COLLECTION: LavakaImages_DC2014_003_033 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_4.jpg COLLECTION: DSC_0653 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_39.jpg COLLECTION: LavakaImages_DC2014_003_032 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_38.jpg COLLECTION: LavakaImages_DC2014_003_031 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_37.jpg COLLECTION: LavakaImages_DC2014_003_030 ABSTRACT: Closeup of erosion in saprolite at base of headward-eroding lavaka, Field Number C61, UTM Easting 699636, UTM Northing 7904972, UTM Zone 38K TOPIC: erosion,saprolites,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_36.jpg COLLECTION: LavakaImages_DC2014_003_029 ABSTRACT: Closeup of enclosed grotto in wall of active lavaka, Field Number C88, UTM Easting 700601, UTM Northing 7900980, UTM Zone 38K TOPIC: caves,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_35.jpg COLLECTION: LavakaImages_DC2014_003_028 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_34.jpg COLLECTION: LavakaImages_DC2014_003_027 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_33.jpg COLLECTION: LavakaImages_DC2014_003_026 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_329.jpg COLLECTION: LavakaImages_DC2014_003_093 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_328.jpg COLLECTION: LavakaImages_DC2014_003_092 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_327.jpg COLLECTION: LavakaImages_DC2014_003_091 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_326.jpg COLLECTION: LavakaImages_DC2014_003_090 ABSTRACT: Eroded septae in recently reactivated lavaka, Field Number Z20, UTM Easting 203202, UTM Northing 8057907, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_325.jpg COLLECTION: LavakaImages_DC2014_003_089 ABSTRACT: Eroded septae in old lavaka complex, Field Number B55, UTM Easting 689749, UTM Northing 7908707, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_324.jpg COLLECTION: LavakaImages_DC2014_003_088 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_323.jpg COLLECTION: LavakaImages_DC2014_003_087 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_322.jpg COLLECTION: LavakaImages_DC2014_003_086 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_321.jpg COLLECTION: LavakaImages_DC2014_003_085 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_320.jpg COLLECTION: LavakaImages_DC2014_003_084 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_32.jpg COLLECTION: LavakaImages_DC2014_003_025 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_319.jpg COLLECTION: LavakaImages_DC2014_003_083 ABSTRACT: Early stages of erosion in median septum of stage III lavaka, Field Number B33, UTM Easting 691352, UTM Northing 7905520, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_318.jpg COLLECTION: LavakaImages_DC2014_003_082 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_317.jpg COLLECTION: LavakaImages_DC2014_003_081 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_316.jpg COLLECTION: LavakaImages_DC2014_003_080 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_315.jpg COLLECTION: LavakaImages_DC2014_003_079 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_314.jpg COLLECTION: LavakaImages_DC2014_003_078 ABSTRACT: Down-valley view of long outfall channel, Field Number B76, UTM Easting 690200, UTM Northing 7900720, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_313.jpg COLLECTION: LavakaImages_DC2014_003_077 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_312.jpg COLLECTION: LavakaImages_DC2014_003_076 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_311.jpg COLLECTION: LavakaImages_DC2014_003_075 ABSTRACT: Down-lavaka view showing channelised sediments in outfall, and expansion of sedimentation on unconfined valley floor, Field Number Z64, UTM Easting 200664, UTM Northing 8061254, UTM Zone 39K TOPIC: Sedimentation and deposition LOCATION: Madagascar AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_310.jpg COLLECTION: LavakaImages_DC2014_003_074 ABSTRACT: Down-lavaka view of recent activity in stage III lavaka, with fully vegetated throat and outfall, Field Number Y21, UTM Easting 202807, UTM Northing 8056361, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_31.jpg COLLECTION: LavakaImages_DC2014_003_024 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_309.jpg COLLECTION: LavakaImages_DC2014_003_073 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_308.jpg COLLECTION: LavakaImages_DC2014_003_072 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_307.jpg COLLECTION: LavakaImages_DC2014_003_071 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_306.jpg COLLECTION: LavakaImages_DC2014_003_070 ABSTRACT: Down-lavaka view of barely active stage III lavaka, no recent sediment, floor no longer flat, Field Number B60, UTM Easting 699515, UTM Northing 7906629, UTM Zone 38K TOPIC: erosion,Sediment (Geology) LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, … Continue reading →

DETAIL VIEW: lavaka_305.jpg COLLECTION: LavakaImages_DC2014_003_069 ABSTRACT: Down-lavaka view of active lavaka with vegetated bottom and outfall. Recent sand deposits on valley floor. Fields there have been abandoned, cultivation restricted to area beyond sediment runout zone, Field Number Y54, UTM Easting … Continue reading →

DETAIL VIEW: lavaka_304.jpg COLLECTION: LavakaImages_DC2014_003_068 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_303.jpg COLLECTION: LavakaImages_DC2014_003_067 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_302.jpg COLLECTION: LavakaImages_DC2014_003_066 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_301.jpg COLLECTION: LavakaImages_DC2014_003_065 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_300.jpg COLLECTION: LavakaImages_DC2014_003_064 ABSTRACT: Detail of lavaka erosion in roadcut (5): small grotto developed below hairline fracture (connected to surface), Field Number C40, UTM Easting 697723, UTM Northing 7903603, UTM Zone 38K TOPIC: erosion,caves LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, … Continue reading →

DETAIL VIEW: lavaka_30.jpg COLLECTION: LavakaImages_DC2014_003_023 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_3.jpg COLLECTION: DSC_0652 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_299.jpg COLLECTION: LavakaImages_DC2014_003_063 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_298.jpg COLLECTION: LavakaImages_DC2014_003_062 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_297.jpg COLLECTION: LavakaImages_DC2014_003_061 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_296.jpg COLLECTION: LavakaImages_DC2014_003_060 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_295.jpg COLLECTION: LavakaImages_DC2014_003_059 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_294.jpg COLLECTION: LavakaImages_DC2014_003_058 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_293.jpg COLLECTION: LavakaImages_DC2014_003_057 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_292.jpg COLLECTION: LavakaImages_DC2014_003_056 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_291.jpg COLLECTION: LavakaImages_DC2014_003_055 ABSTRACT: Deeply incised, narrow outfall in lavaka formed behind low roadcut, Field Number C87, UTM Easting 700601, UTM Northing 7900920, UTM Zone 38K, Heritiana Rakotondramazava TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_290.jpg COLLECTION: LavakaImages_DC2014_003_054 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_29.jpg COLLECTION: LavakaImages_DC2014_003_022 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_289.jpg COLLECTION: LavakaImages_DC2014_003_053 ABSTRACT: Deeply incised, narrow outfall in large lavaka, Field Number Y16, UTM Easting 203105, UTM Northing 8055791, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_288.jpg COLLECTION: LavakaImages_DC2014_003_052 ABSTRACT: Deeply incised, narrow outfall channel, Field Number Z64, UTM Easting 200664, UTM Northing 8061254, UTM Zone 39K TOPIC: LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_287.jpg COLLECTION: LavakaImages_DC2014_003_051 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_286.jpg COLLECTION: LavakaImages_DC2014_003_050 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_285.jpg COLLECTION: LavakaImages_DC2014_003_049 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_284.jpg COLLECTION: LavakaImages_DC2014_003_048 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_283.jpg COLLECTION: LavakaImages_DC2014_003_047 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_282.jpg COLLECTION: LavakaImages_DC2014_003_046 ABSTRACT: Debris apron against active lavaka sidewall represents small-scale reactivation of otherwise fully vegetated lavaka, Field Number Z48, UTM Easting 201164, UTM Northing 8056586, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_281.jpg COLLECTION: LavakaImages_DC2014_003_045 ABSTRACT: Debris apron against active lavaka headwall, Field Number Z9, UTM Easting 202566, UTM Northing 8058427, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_280.jpg COLLECTION: LavakaImages_DC2014_003_044 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_28.jpg COLLECTION: LavakaImages_DC2014_003_021 ABSTRACT: Big lavaka, cut back through ridge crest, Field Number Z23, UTM Easting 203332, UTM Northing 8058140, UTM Zone 39K TOPIC: erosion,mountains LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_279.jpg COLLECTION: LavakaImages_DC2014_003_043 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_278.jpg COLLECTION: LavakaImages_DC2014_003_042 ABSTRACT: Cultivation in outfall areas of vegetated, inactive lavakas, Field Number B8, UTM Easting 693772, UTM Northing 7906628, UTM Zone 38K TOPIC: erosion LOCATION: AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_277.jpg COLLECTION: LavakaImages_DC2014_003_041 ABSTRACT: Cultivation in outfall area of vegetated, lightly active lavaka, Field Number Z49, UTM Easting 200975, UTM Northing 8056793, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Jungers, Matt

DETAIL VIEW: lavaka_276.jpg COLLECTION: LavakaImages_DC2014_003_040 ABSTRACT: Cultivated outfall area of mature, largely inactive, multi-septate lavaka, Field Number B5, UTM Easting 693834, UTM Northing 7906556, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_275.jpg COLLECTION: LavakaImages_DC2014_003_039 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_274.jpg COLLECTION: LavakaImages_DC2014_003_038 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_273.jpg COLLECTION: LavakaImages_DC2014_003_037 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_272.jpg COLLECTION: LavakaImages_DC2014_003_036 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_271.jpg COLLECTION: LavakaImages_DC2014_003_035 ABSTRACT: Convex topography and inactive lavakas, with cultivation in outfall areas, Field Number B9, UTM Easting 693712, UTM Northing 7906580, UTM Zone 38K TOPIC: erosion,plants LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_270.jpg COLLECTION: LavakaImages_DC2014_003_034 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_27.jpg COLLECTION: LavakaImages_DC2014_003_020 ABSTRACT: Big lavaka cuts back through ridge crest. Headwall was already in this position in 1965 air photos, Field Number Y15, UTM Easting 203218, UTM Northing 8055765, UTM Zone 39K TOPIC: erosion,mountains LOCATION: Madagascar AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_269.jpg COLLECTION: LavakaImages_DC2014_003_033 ABSTRACT: Convex hill with lavakas on two sides and bare ground on the near slope, Field Number Y5, Y6, Y7, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_268.jpg COLLECTION: LavakaImages_DC2014_003_032 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_267.jpg COLLECTION: LavakaImages_DC2014_003_031 ABSTRACT: Complex of coalesced lavakas, with eroded septae and walls. TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_266.jpg COLLECTION: LavakaImages_DC2014_003_030 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_265.jpg COLLECTION: LavakaImages_DC2014_003_029 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_264.jpg COLLECTION: LavakaImages_DC2014_003_028 ABSTRACT: Closeup of active lobe in previous picture, Field Number C16, UTM Easting 694591, UTM Northing 7903249, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_263.jpg COLLECTION: LavakaImages_DC2014_003_027 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_262.jpg COLLECTION: LavakaImages_DC2014_003_026 ABSTRACT: Clay-painted wall with few recently-eroded spots, contrasts with grass-covered opposite wall, Field Number C62, UTM Easting 699690, UTM Northing 7905096, UTM Zone 38K TOPIC: grasses LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_261.jpg COLLECTION: LavakaImages_DC2014_003_025 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_260.jpg COLLECTION: LavakaImages_DC2014_003_024 ABSTRACT: Blockflow or lag deposit in active lavaka. Foliation in exposed saprolite visible in headwall; debris aprons in foreground, Field Number Y23, UTM Easting 203572, UTM Northing 8058992, UTM Zone 39K TOPIC: erosion,saprolites LOCATION: Madagascar … Continue reading →

DETAIL VIEW: lavaka_26.jpg COLLECTION: LavakaImages_DC2014_003_019 ABSTRACT: Big lavaka cuts back through ridge crest. Headwall was already in this position in 1965 air photos, Field Number Y15, UTM Easting 203218, UTM Northing 8055765, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: … Continue reading →

DETAIL VIEW: lavaka_259.jpg COLLECTION: LavakaImages_DC2014_003_023 ABSTRACT: Blockflow in narrow throat of large active lavaka, Field Number Y17, UTM Easting 203179, UTM Northing 8056077, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_258.jpg COLLECTION: LavakaImages_DC2014_003_022 ABSTRACT: Big vertical wall showing piping, eroded septum, and colonising vegetation, Field Number Z19, UTM Easting 203350, UTM Northing 8057146, UTM Zone 39K TOPIC: piping,erosion LOCATION: Madagascar AUTHOR: Gress, Liz

DETAIL VIEW: lavaka_257.jpg COLLECTION: LavakaImages_DC2014_003_021 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_256.jpg COLLECTION: LavakaImages_DC2014_003_020 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_255.jpg COLLECTION: LavakaImages_DC2014_003_019 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_254.jpg COLLECTION: LavakaImages_DC2014_003_018 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_253.jpg COLLECTION: LavakaImages_DC2014_003_017 ABSTRACT: Bananas and fields in outfall area of largely inactive, vegetated lavaka, Field Number Y41, UTM Easting 201133, UTM Northing 8054768, UTM Zone 39K TOPIC: Bananas,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_252.jpg COLLECTION: LavakaImages_DC2014_003_016 ABSTRACT: Ancient lavakas, now with convex walls, but retaining lavaka morphology TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_251.jpg COLLECTION: LavakaImages_DC2014_003_015 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_250.jpg COLLECTION: LavakaImages_DC2014_003_014 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_25.jpg COLLECTION: LavakaImages_DC2014_003_018 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_249.jpg COLLECTION: LavakaImages_DC2014_003_013 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_248.jpg COLLECTION: LavakaImages_DC2014_003_012 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_247.jpg COLLECTION: LavakaImages_DC2014_003_011 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_246.jpg COLLECTION: LavakaImages_DC2014_003_010 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_245.jpg COLLECTION: LavakaImages_DC2014_003_009 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_244.jpg COLLECTION: LavakaImages_DC2014_003_008 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_243.jpg COLLECTION: LavakaImages_DC2014_003_008 ABSTRACT: Active lavaka with recently moved sand visible in floor of narrow twisting outfall. Erosional remnant of bedrock exposed near head of outfall, Field Number Y40, UTM Easting 200976, UTM Northing 8054756, UTM Zone 39K … Continue reading →

DETAIL VIEW: lavaka_242.jpg COLLECTION: LavakaImages_DC2014_003_006 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_241.jpg COLLECTION: LavakaImages_DC2014_003_005 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_240.jpg COLLECTION: LavakaImages_DC2014_003_004 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_24.jpg COLLECTION: LavakaImages_DC2014_003_017 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_239.jpg COLLECTION: LavakaImages_DC2014_003_003 ABSTRACT: Active headwall with recent debris and blockfall deposits, Field Number B85, UTM Easting 703404, UTM Northing 7902964, UTM Zone 38K TOPIC: erosion,Sedimentation and deposition LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_238.jpg COLLECTION: LavakaImages_DC2014_003_002 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_237.jpg COLLECTION: [missing] ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_23.jpg COLLECTION: LavakaImages_DC2014_003_016 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_22.jpg COLLECTION: LavakaImages_DC2014_003_015 ABSTRACT: Ancient lavakas, now with convex walls, but retaining lavaka morphology TOPIC: erosion,walls LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_21.jpg COLLECTION: LavakaImages_DC2014_003_014 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_20.jpg COLLECTION: LavakaImages_DC2014_003_013 ABSTRACT: Active vertical faces in early stage III lavaka. Blackened surfaces are burnt grasses, Field Number B41, UTM Easting 701754, UTM Northing 7901870, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_19.jpg COLLECTION: LavakaImages_DC2014_003_012 ABSTRACT: Active stage II lobe in stage III complex, Field Number C24_A, UTM Easting 694301, UTM Northing 7904518, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_18.jpg COLLECTION: LavakaImages_DC2014_003_011 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_17.jpg COLLECTION: LavakaImages_DC2014_003_010 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_16.jpg COLLECTION: LavakaImages_DC2014_003_009 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_15.jpg COLLECTION: LavakaImages_DC2014_003_008 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_144.jpg COLLECTION: LavakaImages_DC2014_003_137 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_143.jpg COLLECTION: LavakaImages_DC2014_003_136 ABSTRACT: Headward erosion of headwall, Field Number C61, UTM Easting 699636, UTM Northing 7904972, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_142.jpg COLLECTION: LavakaImages_DC2014_003_135 ABSTRACT: Headwall of stage III lavaka cuts back through ridge crest, Field Number C22, UTM Easting 694041, UTM Northing 7904266, UTM Zone 38K, Heritiana Rakotondramazava TOPIC: erosion,mountains LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_141.jpg COLLECTION: LavakaImages_DC2014_003_134 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_140.jpg COLLECTION: LavakaImages_DC2014_003_133 ABSTRACT: Headwall of sporadically active lavaka, Field Number C58, UTM Easting 691804, UTM Northing 7909404, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_14.jpg COLLECTION: LavakaImages_DC2014_003_007 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_139.jpg COLLECTION: LavakaImages_DC2014_003_132 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_138.jpg COLLECTION: LavakaImages_DC2014_003_131 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_137.jpg COLLECTION: LavakaImages_DC2014_003_130 ABSTRACT: Hadivory: ancient defensive village site. Surrounding ditches have become heavily eroded. Field Number C5, UTM Easting 692385, UTM Northing 7903070, UTM Zone 38K TOPIC: erosion,villages,ditches LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_136.jpg COLLECTION: LavakaImages_DC2014_003_129 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_135.jpg COLLECTION: LavakaImages_DC2014_003_128 ABSTRACT: Grottoes in saprolite at base of active wall, Field Number Z2, UTM Easting 202834, UTM Northing 8057954, UTM Zone 39K TOPIC: caves,saprolites LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_134.jpg COLLECTION: LavakaImages_DC2014_003_127 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_133.jpg COLLECTION: LavakaImages_DC2014_003_126 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_132.jpg COLLECTION: LavakaImages_DC2014_003_125 ABSTRACT: Grotto with sediment at base of pipe in lavaka wall, Field Number B64, UTM Easting 699399, UTM Northing 7906958, UTM Zone 38K TOPIC: caves,Sediments (Geology),erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_131.jpg COLLECTION: LavakaImages_DC2014_003_124 ABSTRACT: Grotto in sidewall debris apron of large lavaka, Field Number B92, UTM Easting 691577, UTM Northing 7899731, UTM Zone 38K TOPIC: caves,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_130.jpg COLLECTION: LavakaImages_DC2014_003_123 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_13.jpg COLLECTION: LavakaImages_DC2014_003_006 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_129.jpg COLLECTION: LavakaImages_DC2014_003_122 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_128.jpg COLLECTION: LavakaImages_DC2014_003_121 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_127.jpg COLLECTION: LavakaImages_DC2014_003_120 ABSTRACT: Grotto at base of vertical crack in lavaka wall, Field Number B64, UTM Easting 699399, UTM Northing 7906958, UTM Zone 38K TOPIC: caves,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_126.jpg COLLECTION: LavakaImages_DC2014_003_119 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_125.jpg COLLECTION: LavakaImages_DC2014_003_118 ABSTRACT: Grassed-in lavaka with few vertical active sections remaining, Field Number C76, UTM Easting 696861, UTM Northing 7904123, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_124.jpg COLLECTION: LavakaImages_DC2014_003_117 ABSTRACT: Grassed, inactive lavaka, with cattle fence, Field Number C12, UTM Easting 693507, UTM Northing 7901552, UTM Zone 38K, Jane McCamant TOPIC: erosion,cattle,fences LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_123.jpg COLLECTION: LavakaImages_DC2014_003_116 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_122.jpg COLLECTION: LavakaImages_DC2014_003_115 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_121.jpg COLLECTION: LavakaImages_DC2014_003_114 ABSTRACT: Gneissic foliation in saprolite exposed in vertical lavaka wall, Field Number Y23, UTM Easting 203572, UTM Northing 8058992, UTM Zone 39K TOPIC: saprolites,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_120.jpg COLLECTION: LavakaImages_DC2014_003_113 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_12.jpg COLLECTION: LavakaImages_DC2014_003_005 ABSTRACT: Active lavaka in meander bend of river, Field Number Y27, UTM Easting 203643, UTM Northing 8060913, UTM Zone 39K TOPIC: erosion,Rivers LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_119.jpg COLLECTION: LavakaImages_DC2014_003_112 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_118.jpg COLLECTION: LavakaImages_DC2014_003_111 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_117.jpg COLLECTION: LavakaImages_DC2014_003_110 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_116.jpg COLLECTION: LavakaImages_DC2014_003_109 ABSTRACT: Foliation visible in saprolite projecting into lavaka (septum), Field Number B51, UTM Easting 688439, UTM Northing 7906474, UTM Zone 38K TOPIC: saprolites,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_115.jpg COLLECTION: LavakaImages_DC2014_003_108 ABSTRACT: Foliation preserved in saprolite in wall of active lavaka, Field Number Y26, UTM Easting 203483, UTM Northing 8060877, UTM Zone 39K TOPIC: saprolites,erosion LOCATION: Madagascar AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_114.jpg COLLECTION: LavakaImages_DC2014_003_107 ABSTRACT: Foliation preserved in saprolite in vertical wall of active lavaka, Field Number Y17, UTM Easting 203179, UTM Northing 8056077, UTM Zone 39K TOPIC: saprolites,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_113.jpg COLLECTION: LavakaImages_DC2014_003_106 ABSTRACT: Foliation in saprolite, vertical wall, partially vegetated, Field Number B50, UTM Easting 689521, UTM Northing 7906375, UTM Zone 38K TOPIC: saprolites LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_112.jpg COLLECTION: LavakaImages_DC2014_003_105 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_111.jpg COLLECTION: LavakaImages_DC2014_003_104 ABSTRACT: Fields in flat floor of large lavaka complex, mostly inactive, Field Number B3, UTM Easting 694046, UTM Northing 7905824, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Rakotondrazafy, Michel

DETAIL VIEW: lavaka_110.jpg COLLECTION: LavakaImages_DC2014_003_103 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_11.jpg COLLECTION: LavakaImages_DC2014_003_004 ABSTRACT: Active lavaka in head of ancient equilibrated lavaka (note convex slopes of old lavaka walls), and recent sand deposits emanating into valley, Field Number Z64, UTM Easting 200664, UTM Northing 8061254, UTM Zone 39K … Continue reading →

DETAIL VIEW: lavaka_109.jpg COLLECTION: LavakaImages_DC2014_003_102 ABSTRACT: Fallen roof (flat, retaining vegetation) within newly-formed lavaka, Field Number C75, UTM Easting 699519, UTM Northing 7906199, UTM Zone 38K TOPIC: roofs,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_108.jpg COLLECTION: LavakaImages_DC2014_003_101 ABSTRACT: Exposed saprolite, with preserved foliation, being covered by clay painting, Field Number Z72, UTM Easting 202448, UTM Northing 8053702, UTM Zone 39K TOPIC: saprolites,erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_107.jpg COLLECTION: LavakaImages_DC2014_003_100 ABSTRACT: Exposed roots extend across top of newly formed small lavaka, Field Number Y36, UTM Easting 199880, UTM Northing 8055199, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_106.jpg COLLECTION: LavakaImages_DC2014_003_099 ABSTRACT: Eucalyptus saplings being planted in recent sandflow from active lavaka (stabilisation attempt), Field Number C23, UTM Easting 694055, UTM Northing 7904102, UTM Zone 38K TOPIC: Eucalyptus,sand,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_105.jpg COLLECTION: LavakaImages_DC2014_003_098 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_104.jpg COLLECTION: LavakaImages_DC2014_003_097 ABSTRACT: Eucalyptus ground in the headwall, Field Number C20, UTM Easting 697617, UTM Northing 7903611, UTM Zone 38K TOPIC: Eucalyptus,erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_103.jpg COLLECTION: LavakaImages_DC2014_003_096 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_102.jpg COLLECTION: LavakaImages_DC2014_003_095 ABSTRACT: Eroded stumps of multiple septae in vegetated, mostly inactive lavaka, Field Number Y58, UTM Easting 204058, UTM Northing 8057845, UTM Zone 39K TOPIC: erosion LOCATION: Madagascar AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_101.jpg COLLECTION: LavakaImages_DC2014_003_094 ABSTRACT: TOPIC: LOCATION: AUTHOR:

DETAIL VIEW: lavaka_100.jpg COLLECTION: LavakaImages_DC2014_003_093 ABSTRACT: Eroded septum in sporadically active stage III lavaka, largely infilled, Field Number B89, UTM Easting 691746, UTM Northing 7900671, UTM Zone 38K TOPIC: erosion LOCATION: Madagascar–Miarinarivo AUTHOR: Cox, Ronadh

DETAIL VIEW: lavaka_10.jpg COLLECTION: LavakaImages_DC2014_003_003 ABSTRACT: TOPIC: LOCATION: AUTHOR: