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Title: Numerical model investigation of Mississippi sound and adjacent areas
Authors: United States. Army. Corps of Engineers. Mobile District.
Schmalz, Richard A.
Keywords: Dredge disposal
Finite difference
Gulf of Mexico
Harmonic analysis
Mississippi Sound
Navigation channels
Numerical modeling
Salinity transport
Tidal constituents
Publisher: Coastal Engineering Research Center (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; CERC-85-2.
Description: Miscellaneous paper
Abstract: This report documents a numerical investigation of Mississippi Sound and adjacent areas. A model of the complete Gulf of Mexico (G'TM) developed by Reid and Whitaker (1981) is employed to develop tidal constituent (01 K,P1, M2 and S2) boundary conditions for the two-dimensional vertically integrated Waterways Implicit Flooding Model (WIFM) (Butler 1980), which was extended to include salinity by Schmalz (1983). In order to calibrate and verify the extended model (WIFM-SAL), an intensive data collection program was conducted by Raytheon Ocean Systems and the National Oceanic and Atmospheric Administration. Data were analyzed for tidal constituents by Outlaw (1983). A global grid representing Mississippi sound and adjacent are as was constructed to interface with the GTM grid, Bottom friction mechanics were calibrated on this global grid for 20-24 September 1980 and subsequently verified for 12-16 June 1980. A hypothetical regional dredge disposal plan was considered on the global grid by increasing the size of Sand Island. A refined grid was constructed around the Pascagoula Channel in order to study alter native channel configuration effects on Mississippi Sound. Previously calibrated and verified bottom friction mechanics-were further substantiated by simulating hydrodynamic conditions for the 20-24 September period over the refined grid using global grid results to supply water surface elevation boundary conditions. (The effects of doubling the width of the main Pascagoula Channel were then studied by simulating this same period with the modified channel.) Study conclusions are drawn and recommendations for additional simulation work are presented.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Miscellaneous Paper

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