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      Drought in the sahara: a biogeophysical feedback mechanism.

      Science (New York, N.Y.)

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          Abstract

          Two integrations of a global general circulation model, differing only in the prescribed surface albedo in the Sahara, show that an increase in albedo resulting from a decrease in plant cover causes a decrease in rainfall. Thus any tendency for plant cover to decrease would be reinforced by a decrease in rainfall, and could initiate or perpetuate a drought.

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          17835307
          10.1126/science.187.4175.434

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