On the Diffusion Parameterization of Mesoscale Eddy Effects from a Numerical Ocean Experiment

D. E. Harrison Center for Earth and Planetary Physics, Harvard University, Cambridge MA 02138

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Abstract

A method for evaluating the utility of a given parameterization field in a spatially inhomogeneous circulation is described. This method is used to examine the mean field diffusion parameterization of the heat, momentum and vorticity time deviation eddy terms from a mesoscale resolution numerical ocean circulation experiment. The diffusion model does not satisfactorily describe the eddy terms for any field throughout any of the different regions of the model flow.

Abstract

A method for evaluating the utility of a given parameterization field in a spatially inhomogeneous circulation is described. This method is used to examine the mean field diffusion parameterization of the heat, momentum and vorticity time deviation eddy terms from a mesoscale resolution numerical ocean circulation experiment. The diffusion model does not satisfactorily describe the eddy terms for any field throughout any of the different regions of the model flow.

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