Bedload Transport in Gravel-Bed Streams with Unimodal Sediment
Publication: Journal of Hydraulic Engineering
Volume 129, Issue 11
Abstract
Bedload transport in many gravel-bed streams becomes highly complicated because of the nonuniformity of the grain size and the vertical stratification of channel bed material. A new relation for computing bedload transport rates in gravel-bed streams is proposed here. In an effort to account for the variation of the makeup of the surface material within a wide range of Shields stresses, the relation employs a two-parameter approach, one related to the material in the pavement and the other to that in the subpavement layers. The mode is used to represent the grain sizes of each layer. Available bedload transport data from gravel-bed streams with unimodal sediment are used to test the accuracy of the relation. A comparison with other bedload transport relations is also considered.
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Information
Published In
Journal of Hydraulic Engineering
Volume 129 • Issue 11 • November 2003
Pages: 896 - 904
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: Mar 27, 2002
Accepted: Apr 28, 2003
Published online: Oct 15, 2003
Published in print: Nov 2003
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