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An Investigation-Study on the Erosion at Hak-Dong Gravel Beach  

함계운 (경상대학교 공과대학 토목공학과)
김진홍 ((주)삼안건설기술공사)
장대정 (경상대학교 공과대학 토목공학과)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.14, no.1, 2002 , pp. 65-75 More about this Journal
Abstract
The changes of sea bottom configuration, which may cause the coastal disasters, have been considered as social problems. It is obvious that the beach deformation is attributable to the sediment transport associated with erosion and siltation in coastal areas such esturies, channel and harbors. The prediction method and countermeasures far them, however, are not on the level of satisfaction, which indicates that make efforts should be made on developing them. Groin was constructed at Hak-Dong gravel beach to embark ship at 1996, as a result region of right of groin, severe erosion of beach is proceeding till now 1999. In this study, based on the field measurements, involved the one-line theory model which was selected for the prediction of shoreline change to prepare coastal protection methods of Hak-Deng gravel beach. Author found that the storaged sediment estimation model by Sonu and Beek(1971) is useful model at the Hak-Dong gravel beach by the use of topographical survey data from September, 1998 to September, 1999.
Keywords
groin; gravel beach; One-line model; storaged sediment;
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