Reference Terms
from Wikipedia, the free encyclopedia

Drought

A drought or an extreme dry periodic climate is an extended period where water availability falls below the statistical requirements for a region.

Drought is not a purely physical phenomenon, but rather an interplay between natural water availability and human demands for water supply.

Note:   The above text is excerpted from the Wikipedia article "Drought", which has been released under the GNU Free Documentation License.
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September 4, 2015

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