A Finite-Element Solution Procedure for the Interpolation of Current Data in Complex Regions

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Abstract
A finite-element solution technique is introduced to develop current patterns subject to geostrophic and Ekman dynamics for an irregular continental shelf region. The interpolation bases set of functions uses triangular topology. Alternate boundary conditions are discussed and related to both the mathematical nature of the governing equation and the geophysical constraints imposed on the flow. Examples of the derived current patterns are shown for two regions of the Gulf of Alaska.