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Unformatted text preview: -Hadley cell-ferrel cell-polar cell Jet streams flow along the boundaries of these cells Deserts tend to occur in between 30* and 35* north and south of the equator because of sinking dry air of the Hadley and Ferrel cells. Global circulation is deflected by earth turning under the flowing air (Coriolis Effect)-Flow to the north is diverted to make eastward prevailing winds-Flow to the south is diverted to make westward prevailing winds When prevailing winds flow up mountain slopes moisture is removed from the air-When that air flows down the other side of the mountains it becomes warm and dry-Deserts develop in the rain shadow of mountains. Blacksburg lies in a rain shadow but the mountains are not high enough to create a desert The lower basin of the Colorado River is an arid region where water conflict is likely The Colorado River is fed by melting snows from the Rocky Mountains...
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- Fall '08