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Application of Two-Dimensional Model to Predict Fine Sediment Deposition

by Ronald E. Heath, US Army Engineering Corps, United States,
Ronald R. Copeland, US Army Engineering Corps, United States,



Document Type: Proceeding Paper

Part of: Sediment Transport Modeling

Abstract:

The TABS-2 two-dimensional numerical modeling system was used to predict the potential for fine sediment deposition in the lock approach channels at Lock and Dam Nos. 4 and 5 on the Red River near Shreveport, Louisiana. This paper outlines the numerical modeling study procedure developed during the Red River navigation study with specific application at Lock and Dam Nos. 4 and 5. The paper describes the importance of hydrodynamic boundary conditions, sediment concentrations and sizes, and flow durations. The two-dimensional numerical model was very effective for evaluating specific design alterations and their effect on fine sediment deposition in the upstream and downstream lock approach channels.

Subject Headings: Two-dimensional models | Numerical models | Sediment | Mathematical models | Locks (dam) | Sediment transport | Locks (waterway) | Louisiana | United States | Mississippi River

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