WebbHydrology: Rainfall-Runoff Analysis February 2024 Guidance Document 91 Page 4 2.2 Rainfall Losses Runoff or effective rainfall is that portion of the rainfall that flows … WebbAn extreme case of its erosion is found in the Sahel, a transitional zone between the Sahara Desert and the tropical African rain forests; home to some 56 million people. Overpopulation and overgrazing have opened the hyperarid land to wind erosion, which is stripping away the protective margin of the Sahel, and causing the desert to grow at an …
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