Experiments with a Terrain-Following Hydrodynamic Model for Cobscook Bay in the Gulf of Maine

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by David A. Brooks, Texas A&M Univ, College Station, United States,
Laurice U. Churchill, Texas A&M Univ, College Station, United States,

Document Type: Proceeding Paper

Part of: Estuarine and Coastal Modeling:

Abstract: A terrain-following (sigma-coordinate) hydrodynamic model with 10 vertical levels and horizontal resolution of 225 m on a 70×60 grid has been applied to Cobscook Bay, located in the eastern Gulf of Maine near the mouth of the Bay of Fundy. The model-predicted tidal circulation is consistent with many of the known aspects of the water movements in the bay. Comparison against the current measured at a near-shore site shows reasonable agreement in amplitude, but finer model grid resolution approaching 100 m is necessary to resolve the eddy characteristics of the observed currents.

Subject Headings: Bays | Hydrologic models | Hydrodynamics | Gulfs | Ocean currents | Tides | Water circulation | Grid systems | Gulf of Maine

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