ANALYSIS OF BEACH CHANGES AROUND FUKUDE FISHING PORT DUE TO BLOCKAGE OF EASTWARD LONGSHORE SAND TRANSPORT

Abstract

 Bathymetric survey has been carried out once a year since 1993 around Fukude fishing port facing the Enshu-nada Sea. In the previous studies, these collected field data have not been studied. In this study, these data set were analyzed to investigate the topographic changes around Fukude fishing port, and the rate of longshore sand transport was estimated. In particular, recent sediment budget was made clear. Furthermore, the longshore slope of seabed contour (LSSE) was calculated based on the basic concept of the contour-line-change model, and the longshore change in each contour line was calculated to understand the movement of a specific contour line.