| CHOI Jinyong,JUN Kicheon,CHOI Youngkwang,CHO Kyoungho,KWON Jae-Il,PARK Jinsoon,PARK Kwangsoon. 2015. High-resolution circulation forecasting of the Maenggol Channel, south coast of Korea. Acta Oceanologica Sinica, 34(12):11－18 |
| High-resolution circulation forecasting of the Maenggol Channel, south coast of Korea |
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| Received:July 20, 2015 Revised:September 21, 2015 |
| DOI：10.1007/s13131-015-0774-9 |
| Key words:Maenggol Channel Sewol ferry accident circulation forecasting |
| 中文关键词: |
| 基金项目:The Ministry of Oceans and Fisheries of Korea -"Development of Korea Operational Oceanographic System (KOOS)" and "Cooperative Project on Korea-China Bilateral Committee on Ocean Science"; the Korea Institute of Ocean Science and Technology Project of the under contract No. PE99325; the CKJORC-"Cooperation on the Development of Basic Technologies for the Yellow Sea and East China Sea Operational Oceanographic System (YOOS)". |
| Author Name | Affiliation | E-mail | | CHOI Jinyong | Operational Oceanography Research Center, Korea Institute of Ocean Science and Technology, Ansan 15627, Republic of Korea | | | JUN Kicheon | Operational Oceanography Research Center, Korea Institute of Ocean Science and Technology, Ansan 15627, Republic of Korea | | | CHOI Youngkwang | Task Force for Construction of RV ISABU Support Facility, Korea Institute of Ocean Science and Technology, Ansan 15627, Republic of Korea | | | CHO Kyoungho | Division of Polar Ocean Environment, Korea Polar Research Institute, Incheon 21990, Republic of Korea | | | KWON Jae-Il | China-Korea Joint Ocean Research Center, Qingdao 266061, China | | | PARK Jinsoon | Coastal Development Research Center, Korea Institute of Ocean Science and Technology, Ansan 15627, Republic of Korea | | | PARK Kwangsoon | Operational Oceanography Research Center, Korea Institute of Ocean Science and Technology, Ansan 15627, Republic of Korea | kspark@kiost.ac.kr |
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| Abstract: |
| The Maenggol Channel and Uldolmok Strait, located on the south-west coast of Korea, have notably strong and complex currents due to tidal effects and to local geological factors. In these areas, electric power has been generated using strong tidal currents, the speed of which is more than 3 m/s during spring tides. The region also provides a shortcut for navigation. These tidal conditions are therefore sometimes useful, but may also cause terrible accidents or severe economic damage, in the absence of accurate information regarding ocean conditions. In April 2014, the passenger ferry MV Sewol capsized in the Maenggol Channel, with 295 passengers killed and 9 still missing. While this was unquestionably a man-made disaster, strong currents were one of the contributing causes. It was also difficult to conduct scuba diving rescue operations given strong current speeds, and accurate prediction of the time when the tide would turn was thus critically needed. In this research, we used the high-resolution coastal circulation forecasting system of KOOS (Korea Operational Oceanographic System) for analysis and simulation of strong tidal currents in such areas with many small islands, using measurements and modeling from this research area. For accurate prediction of tidal currents, small grid size-modeling was needed, and in this study, we identified a suitable grid size that offers efficiency as well as accuracy. |
| 中文摘要: |
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