Abstract

A short-term beach profile change model focusing on berm formation and erosion was proposed using a 2.5-year data set of beach profiles and offshore waves. The investigation area was set from the maximum wave run-up position to the shoreline position at the mean tide level. The cross-shore sediment transport rates for berm formation and erosion were modeled with the offshore wave energy flux and the berm height, respectively. The model was applied for the calculation of three months beach profile change, and the results revealed that the model well predicts the beach profile change including the berm formation and erosion in a qualitative sense.

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