Parameterizations in high resolution isopycnal wind-driven ocean models. Final report, August 1, 1992--January 31, 1996

摘要

Development of a general quasi-isopycnal code suitable for numerical experimentation and test of parameterizations was the main goal of the proposed research. A versatile ocean modeling system, which the authors refer to as the Thermodynamic Ocean Modeling System (TOMS) is the result of this effort. TOMS is based on an Arbitrary Lagrangian Eulerian (ALE) vertical coordinate and is a hybrid between isopycnal and z-coordinate models. The modeling system is designed for oceanic and coastal flows where the aspect ratio is small. As part of the development effort, the authors also proposed to implement and test new numerical schemes, parameterizations of boundary layer flow and development and implementation of mixed layer physics in this model. The addition objectives for the proposed research were: (1) incorporate various mixed layer parameterizations; (2) implement and test the positive definite Arakawa and Hsu, (1990) scheme; (3) recode a version of the model for a highly parallel architecture; (4) determine effects of various parameterizations of islands, and; (5) determine the correct lateral boundary condition for boundary layer currents, as for instance the Gulf Stream, and other western boundary currents.