Numerical and Theoretical Analysis of Shallow Water Flow with Applications to the Global Oceanic Circulation

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9730518 Knio The project is for numerical and theoretical study of the role of gravity waves in the long-time evolution of the global oceanic circulation. The model used is SEOM developed at Rutgers University, and an multiple-pressure- variable approach will be implemented. It would lead to an order-of-magnitude enhancement in the efficiency of SEOM, thus allowing extended high-resolution ocean simulations that include adequate representation of free-surface phenomena. The model will first be used for two-dimensional simulations of tidal circulation in the global ocean. After the model is optimized, extended three-dimensional simulations of the global wind-driven circulation will be performed.