Abstract

For investigation of beach processes, it is necessary to consider wave-driven sand transport. Hydrodynamics in the wave run-up area should be estimated accurately in order to predict the beach processes, however, the accuracy of existing numerical models regarding moving shoreline change are insufficient for the prediction of the shear stress and the sediment transport. This study developed theoretical-based moving shoreline model using shallow water equation. The wave run-up heights obtained from numerical results of this model were approximately proportional to the values calculated from Hunt (1959) formula. This theory-based model can simulate the moving shoreline change accurately.

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