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http://dx.doi.org/10.5467/JKESS.2012.33.6.497

Seasonal Variation of Surface Sediments in the Kwangseungri Beach, Gochanggun, Korea  

So, Kwang-Suk (Division of Science Education and Institute of Fusion Science, Chonbuk National University)
Ryang, Woo-Hun (Division of Science Education and Institute of Fusion Science, Chonbuk National University)
Choi, Sin-Lee (Division of Science Education and Institute of Fusion Science, Chonbuk National University)
Kwon, Yi-Kyun (Department of Geo-Environmental Sciences, Kongju National University)
Publication Information
Journal of the Korean earth science society / v.33, no.6, 2012 , pp. 497-509 More about this Journal
Abstract
The Gochanggun Kwangseungri macro-tide open-coast beach, located in the southwestern coast of Korea, was investigated in terms of the seasonal variations of surface sediment facies and sedimentary environment. Surface sediments of 45 sites in four seasons (May 2006 - February 2007) were sampled along three survey lines (15 sites in each survey line). The surface sediments of the Kwangseungri Beach are mainly composed of fine-grained sands, and its mean grain size is the coarsest in winter. Mud facies partly exists in summer, whereas it is nearly absent in winter. The spatial distribution of surface sediments shows a coast-parallel band of fine and medium sands during spring, fall, and winter. In the northern part, the study area is dominated by fine sands during summer, whereas by coarse sands during winter. These results can be interpreted that tide is more effective than wave on the surface sediment distribution of the Kwangseungri Beach during the summer season.
Keywords
Kwangseungri Beach; seasonal variation; surface sediment; macro-tide;
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