Overview

distributary channel


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A natural stream channel that branches from a trunk stream which it may or may not rejoin. It occurs typically on the surface of an alluvial fan or delta, where it may be part of a complex, fan-shaped network that distributes the discharge and sediment load of the main channel among many small distributary channels, between which a variable assemblage of bays, lakes, tidal flats, or marshes may exist. The larger distributary channels show crevasse splays and levees. See anabranching channel.

Subjects: Ecology and Conservation — Earth Sciences and Geography.


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