301-pp17 - UNIVERSITY OF SOUTH ALABAMA Last Time Total...

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1 GY 301: Geomorphology GY 301: Geomorphology Lecture 17: Arid Landforms UNIVERSITY OF SOUTH ALABAMA ht p:/ www1.sulekha.com/mstore/blizzard/albums/default/100_4344.JPG Last Time Total Station Project Computer Software Schedule a help session if needed 3 maps due tomorrow by 5 pm Arid and Semi-Arid Regions • Arid and semi-arid regions are distinguished on the basis of their annual precipitation sums and include: Arid and Semi-Arid Regions Deserts with an annual precipitation sum <50 mm/year and devoid of vegetation ( Hot arid regions occur at 30 degrees latitude or in rain shadows) Arid and Semi-Arid Regions Arid regions with 50-250 mm/year precipitation and sparse vegetation, and Arid and Semi-Arid Regions Semi-arid regions with a precipitation sum of 250 to 500 mm per annum and a steppe savannah/prairie/pampa vegetation
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2 Arid and Semi-Arid Regions Important geomorphic processes in the dry regions of the world differ from those in more humid environments: •streams are
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This note was uploaded on 02/05/2012 for the course GLY 301 taught by Professor Staff during the Fall '10 term at S. Alabama.

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301-pp17 - UNIVERSITY OF SOUTH ALABAMA Last Time Total...

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