학동 해빈의 침식에 관한 조사·연구

Abstract

The changes of sea bottom configuration, which may cause the coastal disasters, have beenconsidered as social problems. It is obvious that the beach deformation is atributable to the sediment transportasociated with erosion and siltation in coastal areas such esturies, chanel and harbors. The prediction methodand countermeasures for them, however, are not on the level of satisfaction, which indicates that make efortsshould be made on developing them. Groin was constructed at Hak-Dong gravel beach to embark ship at 196,as a result region of right of groin, severe erosion of beach is proceeding til now 19. In this study, based on thefield measurements, involved the one-line theory model which was selected for the prediction of shorelinechange to prepare coastal protection methods of Hak-Dong gravel beach. Author found that the storagedsediment estimation model by Sonu and Beek(1971) is useful model at the Hak-Dong gravel beach by the use oftopographical survey data from September, 1998 to September, 1999.