Ch. 14 Terms

Ch. 14 Terms - NR 130 Key Terms Chapter 14 Deserts and Wind...

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NR 130 Key Terms Chapter 14: Deserts and Wind Desert: any region that receives less than 25 centimeters (or 10 inches) of rain per year and consequently supports little or no vegetation Rain-shadow Desert: a desert formed on the lee side of a mountain range Playa lake: an intermittent desert lake Flash flood: a rapid, intense, local flood of short duration Bajada: a broad depositional surface extending outward from a mountain front and that is formed by the merging of alluvial fans Pediment: a gently sloping erosional surface that forms along a mountain front uphill from a bajada, usually covered by a patchy veneer of gravel only a few meters thick Plateau: a large, elevated area of comparatively flat land Mesa: a flat-topped mountain or a tableland that is smaller than a plateau and larger than a butte Butte: a flat-topped mountain, with several steep cliff faces. A butte is smaller and more tower-like than a mesa Deflation: erosion by wind Desert Pavement:
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This note was uploaded on 03/30/2008 for the course NR 130 taught by Professor Theodorechamberlain during the Spring '07 term at Colorado State.

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Ch. 14 Terms - NR 130 Key Terms Chapter 14 Deserts and Wind...

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