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http://dx.doi.org/10.5467/JKESS.2007.28.7.914

Variations of Grain Textural Parameters of Beaches by Coast Development at East Coast Korea Peninsula  

Oh, Jea-Kyung (Department of Oceanography Inha University)
Jeong, Sun-Mi (Korea Polar Research Institute)
Cho, Yong-Goo (Department of Oceanography Inha University)
Publication Information
Journal of the Korean earth science society / v.28, no.7, 2007 , pp. 914-924 More about this Journal
Abstract
This study is to compare differences in the depositional environments of natural beaches with those of beaches developed with artificial structures in the East Coast of Korea. Naksan-Osan beaches were selected for the examination of natural beaches and Anmok-Yumjun beaches for that of developed beaches. The study was performed on the foreshores and backshores of the selected beaches, and was based on the field research during the flood period of year 2004 and the dry period of year 2005. In Naksan-Osan beaches, pain size is fuel and sorting is better from northern coast to southern coast. Furthermore, sediment undergoes changes regularly and seasonal variations are small. But in Anmok-Yumjun beaches, grain size is coarser and sorting is worse than in Naksan-Osan beaches, showing irregular tendencies. The characteristic features of the two beaches would be effected by longshore currents which change along the type of coast line and have an effect on sediment. Especially, long shore currents interrupted by artificial structures in Anmok-Yumjun beaches may cause sedimental environment changes. In Anmok-Yumjun beaches, harbor expansions will be continued, and thus more changes are expected to occur in the beaches.
Keywords
East Coast; Beach; Depositional Environment; erosion/deposition;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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