Refined Modelling of Water Quality Constituents in a Semi-Enclosed Coastal Wetland Basin

by Roger A. Falconer, Univ of Bradford, Bradford, United Kingdom,
Suiqing Liu, Univ of Bradford, Bradford, United Kingdom,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Details are given of the refinements to a numerical model to improve the representation of the advective transport of water quality constituents. The higher order accurate scheme adopted for this refinement is based on a modified form of third order upwinding, with a clipping procedure being adopted to eliminate any negative concentrations. The model has been applied to a practical study to predict a range of water quality constituents in a semi-enclosed coastal wetland, with close agreement being obtained between predicted and measured results.

Subject Headings: Hydrologic models | Water quality | Wetlands (coastal) | Sea water | Basins | Aquatic habitats | Numerical models | Advection

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