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The figure to the right was produced from a numerical computation that tested a timestepping method and other algorithms for solving a system of partial differential equations that describes large-scale ocean circulation. It is similar to a black-and-white figure in the 2005 JCP paper listed below. The curves and varying colors represent a contour plot of the height of the free surface at the top of the fluid, and the arrows represent the horizontal fluid velocity. In the color bar, the units are centimeters. Due to the effects of the earth's rotation, the horizontal velocity is approximately perpendicular to the horizontal pressure gradient, which means that the fluid flows along curves of constant elevation.
A larger version of this plot can be obtained here. This test computation was performed on a square spatial domain; a black-and-white contour plot for the entire fluid domain is given in the next figure.
This page was last updated: January 4, 2015.