Desert Terms
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Created by:
RussellWalton on February 10, 2010
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13 terms
Terms | Definitions |
|---|---|
 barchan dunes | U shaped dune, tip points downwind |
| transverse dunes | dune with ridges perpendicular to wind |
| barchanoid dunes | dune that is a cross between barchan and transverse, ridges are perpendicular to wind and have tips pointing downwind |
| longitudinal dunes | dunes parallel to the wind |
| parabolic dunes | U shaped dune, tips point upwind, only dune with vegetation |
| star dunes | isolated hills of sand, complex forms |
| deflation | lifting and removal of loose material by wind |
| blowouts | depressions formed by deflation |
| loess (losses) | extensive layers of silt deposited by wind |
| crossbeds | layers of sand deposited on the slipface of a dune, inclined in the direction wind is blowing |
| abrasion | the grinding and scraping of a rock by the friction and impact of rock carried by wind, water, or ice |
| arroyo, wadi, donga, nullah | 4 different names for ephemeral streams |
| ephemeral | type of stream that only carries water during a storm |
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