An Evaluation of Sediment Resuspension Parameterizations

by Keith W. Bedford, Ohio State Univ, Columbus, OH, USA,

Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution


The recent attention to managing surface water toxic substances has resulted in a number of modeling approaches, all of which to a great or lesser extent require accurate treatment of the rates and types of sediment transport. The paper organizes these methods into several categories or approaches and evaluates the limits of each approach particularly as regards the ability to make the field measurements required by each. Many of the approaches are severely limited in that they cannot be fully validated in-situ and that either new instruments or new theoretical developments are necessary. Subjects covered include empirical approaches, continuum approaches, and control volume method.

Subject Headings: Sediment | Parameters (statistics) | Sediment transport | Model accuracy | Field tests | Continuum mechanics | Boundary layers | Surface water

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