GEOG 150 Lecture Notes - Lecture 2: Barchan, Loess, Silt
bajada
A broad, gently sloping, depositional surface formed at the base of a mountain range in a dry region by
the coalescing of individual alluvial fans
barchan
a crescent-shaped dune with the horns of the crescent pointing downwind
blowout
a depression on the land surface caused by wind erosion
butte
a narrow pinnacle of resistant rock with a flat top and very steep sides
deflation
the removal of clay, silt, and sand particles from the land surface by wind
desert
a region with low precipitation
fault
a fracture in bedrock along which movement has taken place
flash flood
flood of very high discharge and short duration; sudden and local in extent
loess
a fine-grained deposit of wind-blown dust
longitudinal dune (seif)
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