Transport Modeling of the Coastal Waters of Oahu, Hawaii

by Alan F. Blumberg,
John P. Connolly,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


A hydrodynamic model of the coastal waters around the island of Oahu, Hawaii has been constructed to provide quantitative information on the movements and mixing of water that are to be used by a fate model to predict distributions of pathogenic organisms in Mamala Bay. A near field initial dilution model is coupled to the hydrodynamic model so that wastewater treatment plant outfall loadings can be input properly. The hydrodynamic model predicts, in three dimensions, advective and dispersive processes in Mamala Bay with sufficient accuracy that model results can be confidently used for detailed pathogen fate simulations. This conclusion is based on favorable comparisons between data and model predictions over a full annual cycle for water elevations, currents, temperature, salinity and a dye release.

Subject Headings: Hydrologic models | Water supply systems | Hydrodynamics | Three-dimensional models | Model accuracy | Hydration | Wastewater treatment plants | Hawaii | United States

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