Circulation and Transport Modeling in New Bedford Harbor

by Steve Yabusaki, Battelle, Pacific Northwest Lab, United States,
Yasuo Onishi, Battelle, Pacific Northwest Lab, United States,
Marshall Richmond, Battelle, Pacific Northwest Lab, United States,
Don Trent, Battelle, Pacific Northwest Lab, United States,



Document Type: Proceeding Paper

Part of: Estuarine and Coastal Modeling

Abstract:

Three-dimensional hydrodynamics and mass transport were simulated in the New Bedford Harbor, Massachusetts, area in support of a combined sewers/sewage outfall facilities planning project for the City of New Bedford. Hydrodynamic scenarios based on observed meteorological episodes were modeled to represent a variety of seasonal conditions. Alone and in sequential combinations, these computed hydrodynamic scenarios became the basis for the mass transport modeling of decaying constituents released from the outfall site. The results of this study indicate that although the existing outfall is in an area of enhanced mixing, the release of biologically decaying constituents will produce a highly localized contamination zone near the outfall and diffuser.

Subject Headings: Three-dimensional models | Hydrologic models | Water pollution | Sediment transport | Mathematical models | Hydrodynamics | Water circulation | Massachusetts | United States

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