EVEN/ODD ANALYSIS OF SHORELINE CHANGES ADJACENT TO FLORIDA'S TIDAL INLETS

Paul A. Work, Robert G. Dean

Abstract


Measured shoreline changes up- and downdrift of several tidal inlets on the eastern coast of Florida are decomposed into even and odd components. The odd component of shoreline change is compared to both analytical and numerical predictions of shoreline response to a shore-normal littoral barrier. A best-fit iterative scheme is used for application of the analytical solution. The numerical solution improves upon the analytical approach by accounting for refraction, diffraction, and wave energy dissipation on the ebb tidal shoal. Predicted and measured changes agree reasonably well for several cases, and future refinements and improved long-term wave data are expected to allow more accurate prediction of smaller-scale features.

Keywords


tidal inlet; even/odd analysis; shoreline change

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