A method of analyzing ocean current hydrodynamics to determine the influence of the wind and of thermodynamic factors. A simplified system of equations is presented to represent the turbulent movement of the baroclinic fluid in a field of Coriolis forces. Only the thermodynamic equation, balancing the three-dimensional density advection with vertical and horizontal density diffusion, is nonlinear. The Welander technique of introducing an integral function of the density perturbation is used to find the dependent variables of current and pressure. 13 pp. Refs. (See also P-3644.)
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