Title: Field investigation of beach nourishment at Eigashima area on the Toban coast
Abstract: Beach nourishment was carried out at Eigashima area on the Toban coast facing the Seto Inland Sea. Sea cliff erosion of this coast was studied first, and beach changes after the sand nourishment were investigated by topographic surveys. It is found that the predominant wave direction is S 24°W from the shoreline indentation, and the characteristicheight of beach changes and critical depth for beach changes are about 2.7m and 1.5m, respectively.