A description of the computer program of a three-dimensional model, including subgridscale turbulent energy for nonhomogeneous lakes, bays, estuaries, and coastal seas. The computer code is programmed for implementation of computation methods described in Vol. IV of the series (R-2187). The program can perform numerical integration of the equations of motion, continuity, transport of salt, heat, turbulent energy, and a pollutant constituent. The dynamic fields of salinity and temperature are coupled to the equations of motion through the use of a nonlinear equation of state. The effect of the vertical density gradient on the vertical exchange is evaluated by the Richardson number computed using the local turbulent energy level. Variable definitions, input parameters, implementation, and operational aspects are also described and a sample case is given.
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