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Modeling a Wind-Mixing and Fall Turnover Event on Chesapeake Bay

by K. W. Kim, US Army Engineer Waterways, Experiment Station, United States,
B. H. Johnson, US Army Engineer Waterways, Experiment Station, United States,
Y. P. Sheng, US Army Engineer Waterways, Experiment Station, United States,



Document Type: Proceeding Paper

Part of: Estuarine and Coastal Modeling

Abstract:

A three-dimensional (3D) numerical hydrodynamic model of Chesapeake Bay has been developed. Results from application of the model to one of the three data sets employed in the verification of the model are presented. This data set was collected in September 1983 and contains a major wind-mixing event around the 20th of the month. As a result of the turbulence generated by the velocity shear created by the wind, the bay destratified but then restratified as the wind abated. Model results presented at the Bay Bridge station near Annapolis, MD, demonstrate the numerical model's ability to capture such an event and lend credibility to the simplified second-order vertical turbulence model employed.

Subject Headings: Three-dimensional models | Numerical models | Mathematical models | Hydrologic models | Bays | Wind engineering | Turbulence

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