Abstract

To explore the effective countermeasures against erosion of beaches, shoaling of harbors and blocking of river mouths, it is essential to acquire information on the direction and the volume of net sediment movement. However, much difficulty has encountered in field measurements of these physical quantities. So these physical quantities are usually estimated by analyzing data of topographic changes.This study will present a new simple scheme for estimation of the spatial distribution of net sediment transport rate on the basis of bathymetric survey data. The present method facilitates practical applications.

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