Schematic Numerical Modeling of Harbor Deepening Effects on Sedimentation: Charleston, South Carolina
Schematic Numerical Modeling of Harbor Deepening Effects on Sedimentation: Charleston, South Carolina
- New search for: Teeter, Allen M.
- New search for: Pankow, Walter E.
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This report describes schematic numerical model analysis of harbor channel deepening effects on sedimentation for Charleston Harbor, Charleston, SC. The harbor channel is being deepened from -35 to -40 ft mean low water, and the harbor freshwater inflow has been recently decreased from about 15,600 to 4,500 cfs average. Existing hydraulic and sediment information was used. The schematic numerical modeling approach was selected because no simpler (analytical or steady state) shoaling prediction was known which could account for both channel·deepening and altered inflow conditions. A two-dimensional laterally averaged numerical model Fine-Grained Bed Sediment (FIBS) with 1- and 2-mile node spacing was used. Harbor deepening was predicted to increase dredging requirements by about 15 percent for 4,500-cfs inflow. The centroid of the shoaling distribution was predicted to move upstream about 7 miles for this flow.
Document information
Schematic Numerical Modeling of Harbor Deepening Effects on Sedimentation: Charleston, South Carolina
Miscellaneous Paper ; HL-89-7
1989
14986421
Report
Electronic Resource
English
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