Sand barrier dynamics by waves and currents

Abstract

Laboratory measurements of sand barrier dynamics are presented in terms of sediment transport or morphology changes through (i) wave only and (ii) combined wave and current cases. The trend in sediment transport direction can be seen clearly for case 1. In contrast, the direction of sediment transport in case 2 is not clear except for the combination of wave and following current Q=25l/s, where the sediment transport direction is in the direction of wave and current. Results show that none of the models are suitable for this experiment, although the Ribberink and Al-Salem (1994) formula gives least error.