A depth-averaged equation set is solved to simulate Mobile Bay circulation. A semi-implicit algorithm with an alternating-direction-implicit technique is employed to perform numerical computations on a staggered Cartesian grid mesh that covers the Mobile Bay area. The simulation results include effects from the four major rivers around Mobile Bay. Flow patterns and elevation contours are shown during flood and ebb tides. Velocity vectors and particle tracers are used to indicate the flow patterns and related transport of Mobile Bay circulation.

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