Journal of Korean Society of Coastal and Ocean Engineers (한국해안·해양공학회논문집)

Korean Society of Coastal and Ocean Engineers (한국해안·해양공학회)
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Storm Surges in West Coast of Korea by Typhoon Bolaven (1215)

태풍 볼라벤 (1215)의 서해안 폭풍해일 분석

  • Seo, Seung Nam (Coastal Development & Ocean Energy Research Division, Korea Institute of Ocean Science & Technology) ;
  • Kim, Sang Ik (Coastal Disaster Research Center, KIOST)
  • 서승남 (한국해양과학기술원 연안개발.에너지연구부) ;
  • 김상익 (한국해양과학기술원 연안재해.재난연구센터)
  • Received : 2013.12.12
  • Accepted : 2014.02.27
  • Published : 2014.02.28
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Abstract

To analyze the surface elevation data of Typhoon Bolaven, simple analytical models are employed to investigate major causes of the storm surges in the west coast of Korea. Although the simple models cannot reproduce the storm surges by Typhoon Bolaven accurately, they are able to provide sufficient evidence of physical processes involved in the storm surges. Surges in islands located at deeper water were mainly driven by typhoon low pressure rather than associated winds. In contrast, bigger storm surge heights more than 1m were recorded in shallow coastal areas during low tide, which were dominantly produced by typhoon winds.

태풍 볼라벤의 폭풍해일을 분석하기 위해 단순한 해석적 모형들을 사용하여 서해안 발생한 폭풍해일의 주요 원인을 조사하였다. 여기서 사용된 단순한 해석적 모형은 볼라벤의 실제 현상을 정확하게 재현할 수는 없으나, 폭풍해일에 내재된 주요 물리현상의 설명에는 충분하였다. 수심이 상대적으로 깊은 섬에 발생한 폭풍해일은 태풍에 동반된 바람보다는 저기압에 의한 해면상승이 주도적으로 작용하였다. 천해인 연안지역에서는 저조시에 1 m 이상의 해일고가 관측되었고 이는 주로 바람에 의해 발생된 것이다.

Keywords

References

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