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Title: Schematic numerical modeling of harbor deepening effects on sedimentation : Charleston, South Carolina
Authors: United States. Army. Corps of Engineers. Charleston District.
Teeter, Allen M.
Pankow, Walter E.
Keywords: Channel deepening
Estuarine shoaling
Charleston Harbor
Sedimentation modeling
Cooper River
South Carolina
Sediment transport
Numerical models
Mathematical models
Publisher: Hydraulics Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; HL-89-7.
Description: Miscellaneous Paper
Abstract: 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.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Miscellaneous Paper

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