Parameterization of Turbulence for Three-Dimensional Circulation Modeling

by Y. Peter Sheng, Univ of Florida, Gainesville, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

Estuarine circulation are driven by the actions of tide, wind, and density gradients associated with saline ocean water and fresh riverine water, and are also influenced by the complex geometry and bathymetry of the estuaries in the U.S. (e.g.,Tampa Bay and Chesapeake Bay) are generally quite shallow except within the navigation channels. In general, there is significant vertical and horizontal stratification in the channel. In the shallow shoals, there is often significant horizontal stratification in the channel. In the shallow shoals, there is often significant horizontal stratification, although it is generally well mixed in the vertical direction. Proper parameterization of turbulent mixing in the vertical and horizontal directions is essential to the accurate simulation of mean circulation and transport, and has been a challenge for estuarine modeling in the past decade.

Subject Headings: Water circulation | Salt water | Estuaries | Turbulent flow | Three-dimensional models | Fresh water | Hydration

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