Boundary Fitted Estuarine Water Quality Model

by Malcolm L. Spaulding, Univ of Rhode Island, United States,
Shin J. Liang, Univ of Rhode Island, United States,



Document Type: Proceeding Paper

Part of: Estuarine and Coastal Modeling

Abstract:

A two-dimensional, vertically-averaged boundary fitted coordinate pollutant transport model was developed for application to estuarine and coastal sea regions. The governing convective-diffusion was solved on a space-staggered grid system using a simple forward-in-time, center-in-space, explicit finite difference algorithm. The computational characteristics and accuracy of the model were tested by comparing the numerical results with corresponding analytic solutions for a series of test cases. The pollutant transport model was applied to predict the fecal coliform discharged from sewage treatment plant and combined sewer overflow releases in Mt. Hope Bay; a small urban estuary located on the eastern side of Narragansett Bay.



Subject Headings: Water quality | Water pollution | Hydrologic models | Model accuracy | Bays | Hydraulic models | Water supply systems | Numerical models

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