Numerical Model of Estuarine Circulation

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Abstract
A real-time numerical model is developed to predict the dynamics of partially mixed estuaries. An explicit finite difference technique which conserves mass, salt, and momentum was used to solve the governing equations. A consistent set of vertical mixing coefficients is proposed such that an application of the model to the Potomac River Estuary produces simulations of velocity, salinity, and tidal heights comparable to field observations. The model also permits an investigation of the time variability in the magnitude of the various terms composing the salt balance equation.

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