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Title: Bed-load dispersion : A literature review
Authors: Lewis, James W.
Sánchez, Alejandro.
Gibson, Stanford A.
Dahl, Travis A.
Floyd, Ian E.
Keywords: Advection
Bed-load transport
Sediment transport
Vertical mixing
Publisher: Coastal and Hydraulics Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: ERDC/CHL;SR-16-5
Abstract: Abstract: This Special Report documents available research pertaining to the dispersion of bed-load sediment transport, specifically the dispersion coefficient. This knowledge can inform the evaluation and improvement of existing U.S. Army Corps of Engineers (USACE) sediment transport models. A discussion is presented on normal and anomalous dispersion. Several aspects of bed-load dispersion are discussed, including whether the assumption of normal dispersion and isotropy are valid. Numerical dispersion coefficients are relative to the context of all considerations within a modeling framework, and affect sediment erosion, deposition, and the resulting water quality. This document is intended for scientists and engineers with a basic understanding of physics and numerical modeling of sediment transport.
Appears in Collections:Special Report
Technical Report

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