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Development of a Hydrodynamic and Salinity Model in the Caloosahatchee Estuary and Estero Bay, Florida
The South Florida Water Management District (SFWMD), jointly with the U.S. Army Corps of Engineers, is in the process of developing a large water resource restoration plan, the Southwest Florida Feasibility Study (SWFFS) for Southwest Florida area. SWFFS provides an essential framework to address the health and sustainability of aquatic systems. This includes a focus on water quantity and quality, flood protection, and ecological integrity. A regional hydrological model, an estuarine hydrodynamic model and an ecological model will work together as a chain of models to evaluate various restoration alternatives and size the reservoirs. The hydrodynamic model is required to simulate the salinity response of the estuary on a 30-year basis with 3–5 days of CPU time (wall clock run time). This study developed a hydrodynamic and salinity model based on the CH3D model. Three approaches, a vertically-integrated 2D model with constant horizontal turbulent diffusivity (AH), a 2D model with spatially varying AH and a 3D model with varying AH, were investigated. A statistical analysis including RMS error calculation and linear regression was conducted to compare the results. The comparison concluded that a 3D model with 5 layer version of CH3D is able to predict the salinity under various alternative conditions with acceptable accuracy.
Development of a Hydrodynamic and Salinity Model in the Caloosahatchee Estuary and Estero Bay, Florida
The South Florida Water Management District (SFWMD), jointly with the U.S. Army Corps of Engineers, is in the process of developing a large water resource restoration plan, the Southwest Florida Feasibility Study (SWFFS) for Southwest Florida area. SWFFS provides an essential framework to address the health and sustainability of aquatic systems. This includes a focus on water quantity and quality, flood protection, and ecological integrity. A regional hydrological model, an estuarine hydrodynamic model and an ecological model will work together as a chain of models to evaluate various restoration alternatives and size the reservoirs. The hydrodynamic model is required to simulate the salinity response of the estuary on a 30-year basis with 3–5 days of CPU time (wall clock run time). This study developed a hydrodynamic and salinity model based on the CH3D model. Three approaches, a vertically-integrated 2D model with constant horizontal turbulent diffusivity (AH), a 2D model with spatially varying AH and a 3D model with varying AH, were investigated. A statistical analysis including RMS error calculation and linear regression was conducted to compare the results. The comparison concluded that a 3D model with 5 layer version of CH3D is able to predict the salinity under various alternative conditions with acceptable accuracy.
Development of a Hydrodynamic and Salinity Model in the Caloosahatchee Estuary and Estero Bay, Florida
Qiu, Chenxia (author) / Sheng, Y. Peter (author) / Zhang, Yanfeng (author)
10th International Conference on Estuarine and Coastal Modeling ; 2007 ; Newport, Rhode Island, United States
Estuarine and Coastal Modeling (2007) ; 106-123
2008-08-25
Conference paper
Electronic Resource
English
Water quality assessment of coastal Caloosahatchee River watershed, Florida
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