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Seasonal Changes of Tidal-flat Sediments: Kwangyang Bay, South Coast of Korea  

류상옥 (전남대학교 지구환경과학부)
김주용 (전남대학교 지구환경과학부)
이희준 (한국해양연구원 지질연구단)
조영길 (목포대학교 해양지원학과)
안성모 (삼성물산(주) 건설부문)
Publication Information
The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY / v.8, no.4, 2003 , pp. 349-356 More about this Journal
Abstract
A continuous monitoring of sedimentation rate and textural characteristics of surface sediments was carried out on the tidal flats in Kwangyang Bay, middle South Sea for two years on an every-two-monthly basis. This study shows that during the winter the tidal flats receive a thin surface layer of which texture becomes finer. In summer, the surface sediments were subject to rather abrupt erosion by occational typhoons and heavy rainfall resulting in a coarse-silt dominated texture. Due to nearly closed geomorphology of Kwangyang Bay, local waves created in the bay during winter are much subdued, in contrast to the rough wave climate and associated sedimentary cycle for open-type tidal flats in the Yellow Sea. In addition, unexpected artificial effects on the tidal-flat sedimentation by construction of a huge industrial complex along the shoreline of the bay are observed from a nearby tidal flat. Here, the sediments were consistently eroded without any sign of natural seasonal variations.
Keywords
Accumulation; Surface sediment; Seasonal change; Typhoon; Heavy rainfall;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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