Erosion by Wind: Global Hot Spots

Authored by: Andrew Warren

Managing Soils and Terrestrial Systems

Print publication date:  July  2020
Online publication date:  July  2020

Print ISBN: 9781138342651
eBook ISBN: 9780429346255
Adobe ISBN:

10.1201/9780429346255-17

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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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