Movable Bed Roughness in Alluvial Rivers
Publication: Journal of Hydraulic Engineering
Volume 125, Issue 12
Abstract
A method for the prediction of a movable bed roughness coefficient is proposed by relating the roughness parameter A to the nondimensional shear stress and the Froude number of flow. This relationship is tested with a large number of flume and field data from different sources, and also compared with other prediction methods. The calculated flow depth based on the bed roughness coefficient predicted by the proposed method agrees very well with the measured data.
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Received: Mar 16, 1998
Published online: Dec 1, 1999
Published in print: Dec 1999
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