alluvial flat


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alluvial flat

[ə′lüv·ē·əl ′flat]
(geology)
A small alluvial plain having a slope of about 5 to 20 feet per mile (1.5 to 6 meters per 1600 meters) and built of fine sandy clay or adobe deposited during flood.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
On entering the wide alluvial flats in the open valley of central Zangskar, it spreads in subdivided streams, but still unfordable at their deepest, over a breadth of half a mile, till its junction with the river of sTot Zangskar.
The landscape of this catchment also consists of gently undulating to steep hillslopes with some alluvial flats, and an average annual winter-dominated rainfall of approximately 660 mm per year.