A Role of Sediment Transport in Alluvial Channels

by Thomas Maddock, Jr., (F.ASCE), Res. Hydro.; U.S. Geological Survey, Washington, D.C.,

Serial Information: Journal of the Hydraulics Division, 1973, Vol. 99, Issue 11, Pg. 1915-1931

Document Type: Journal Paper


Once a critical amount of sediment is being moved in an alluvial channel, velocity can be expressed as a function of slope and of size and composition of the moving sediment load. Depth is a redundant parameter. At sediment transport rates below critical, depth is an effective parameter. Methods of determining the size and composition of the moving sediment load are analyzed as is the problem of determining when depth becomes redundant. The phenomena of fill and scour at alluvial channel sections is also considered.

Subject Headings: Sediment transport | Alluvial channels | Moving loads | Sediment loads | Parameters (statistics) | Fluid velocity | Slopes | Critical loads

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