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10 Cards in this Set
- Front
- Back
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Eolian
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work of wind erosion, transportation and deposition
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Deflation
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blows away loose sediment
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Abrasion
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natures version of sandblasting
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Ventrifacts
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artificats of wind
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Dune Field
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tends to migrate in direction of strong prevailing winds
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Barchan Dune
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Crescentic: crescent shaped dune w/horns pointing downwind--limited sand available, only one slipface
-common in dune fields |
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Transverse
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cresecent, asymmetrical ridge, only one slipface, inaffective wind, abundance sand
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Longitudinal
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linear, ridge shaped dune, two slipfaces
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Seif
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Linear, sword, shorter than longitudinal dunes, rounded toward upward direction
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Loess
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weathers and erodes into steep bluffs, areas of homogenous deposits.
-stands vertically, some 50-100ft thick |
