Erosion by Wind: Global Hot Spots

Authored by: Andrew Warren

Encyclopedia of Environmental Management

Print publication date:  December  2012
Online publication date:  December  2012

Print ISBN: 9781439829271
eBook ISBN: 9781351235860
Adobe ISBN:

10.1081/E-EEM-120001562

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Abstract

Some distinctions, assumptions: first, “natural” can be differentiated from “induced” erosion (this entry will concentrate on the latter); second, hot spots vary both in time and space (they come and go and their intensity varies from place to place); third, a hot spot is assumed to be where the rate of wind erosion is well above the mean, even though it may not have serious economic impact. Hence, the Dust Bowl of the Great Plains in the 1930s was probably a hot spot, yet, today, agriculture is prosperous there. There and elsewhere, as in the West African Sahel, the Mallee of southeastern Australia, a great deal of soil may be lost without much impact on yield, until the last few centimeters of soil are left.

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