Red River Waterway, Lock and Dam Number 4. Report 5. Sedimentation in Lock Approaches: TABS-2 Numerical Model Investigation

A two-dimensional numerical model, TABS-2, was used to predict fine sediment deposition in the lock approach channels upstream and downstream from proposed Lock and Dam No. 4 on the Red River Waterway, Louisiana. The numerical model was used to evaluate alternative designs. Fine sediment deposition with the proposed design at Lock and Dam No. 4 was compared to fine sediment deposition at existing locks and dams downstream. Keywords Locks waterways Inland waterways Navigation lock and dams Numerical models Red River, Louisiana Sedimentation TABS-2 computer program.