definition
lowering of the land surface that results from wind’s removal of surface particles
deflation
series of ridge shapes from small or large amounts of sand
Longitudinal Dunes
valleys in high, mountainous areas
Valley Glaciers
pile of windblown sand develops
dune
solitary crescent shapes from small amounts of sand in flat areas
Barchan Dunes
cover broad, continent-sized areas
Continental Glaciers
large mass of moving ice
Glacier
three or more irregularly shaped “arms” from large amount of sand in areas
Star Dunes
valley glacier moves, deep cracks in the surface of the ice
crevasses