Author(s)

K. Mizumura, T. Nishimoto & H. Tsutsui

Abstract

Two-dimensional changes of beach profile are computed by the continuity equation of sediment. Wave transformation used in the continuity equation is obtained by solving the shallow water equations numerically. The appli- cation of this method for different wave height, period, and sand particle diameters shows that this approach is reasonable. Introduction In Japan, most of the beautiful sand beaches which represent typical Japanese scenary were lost because of the failure of river sediment control. There- fore, keeping remaining sand beaches is the most important work for coastal engineers. Coastal changes are usually predicted by hydraulic model tests or num

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