Songdo Beach is situated in Yeongil Bay on the east coast of Korea. Its bathymetry changes all the time influenced by mostly wave environment. The beach morphology suffered artificial impacts as well as natural impacts since 1967. Three structures were constructed or modified around the beach from 1968 to 1985. The major structure is the P~SCO harbour in the middle of the bay. Just after the storms in 1978 a significant change of the beach profile was reported. The morphological change around the beach was comprehensively investigated including collection of existing and new field data at the beach and Hyungsan River, and the data sets were analysed to describe the morphological changes between 1978 and 2001.
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