Allogenic River

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Allogenic River

 

A river is said to be allogenic if its hydrologic regime does not correspond to the physicogeographic conditions of the territory through which it flows, since the hydrologic regime is determined elsewhere. The characteristics of an allogenic river show up especially clearly when the river crosses a desert. An allogenic river floods the desert in the summer. Such floods are due to the summer melting of snow in mountains, as is the case with the Amu Darya, or to summer rains in savanna zones, as is the case with the Nile.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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