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

Korean Society of Coastal and Ocean Engineers (한국해안·해양공학회)
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A Case Study on the Preliminary Study for Disaster Prevention of Storm Surge: Arrangement of Structures

폭풍해일 방재를 위한 사례적용을 통한 선행연구: 구조물 배치

  • Young Hyun, Park (Costal Development and Energy Research Center, Korea Institute of Ocean Science & Technology) ;
  • Woo-Sun, Park (Costal Development and Energy Research Center, Korea Institute of Ocean Science & Technology)
  • 박영현 (한국해양과학기술원 연안개발에너지 연구센터) ;
  • 박우선 (한국해양과학기술원 연안개발에너지 연구센터)
  • Received : 2022.11.19
  • Accepted : 2022.12.25
  • Published : 2022.12.31
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Abstract

Climate change is accelerating worldwide due to the recent rise in global temperature, and the intensity of typhoons is increasing due to the rise in seawater temperature around the Korean Peninsula. An increase in typhoon intensity is expected to increase not only wind damage, but also coastal damage caused by storm surge. Accordingly, in this study, a study of the method of reducing storm surges was conducted for the purpose of disaster prevention in order to respond to the increasing damage from storm surges. Storm surges caused by typhoons can be expected to be affected by structures located on the track of typhoon, and the effects of storm surges were studied by the eastern coast and the barrier island along the coast of the Gulf of Mexico in the United States. This study focused on this aspect and conducted related research, considering that storm surges in the southern coastal area of the Korean Peninsula could be directly or indirectly affected by Jeju Island, which is located on the track of typhoon. In order to analyze the impact of Jeju Island on storm surges, simulations were performed in various situations using a numerical analysis model. The results of using Jeju Island are thought to be able to be used to study new disaster prevention structures that respond to super typhoons.

최근 지구 온도 상승에 따라 전 세계적으로 기후변화가 가속화되고 있으며, 한반도 주변 해역의 해수 온도 상승으로 태풍의 강도가 점점 더 증가하고 있다. 태풍 강도의 증가는 바람에 의한 피해뿐만 아니라 폭풍해일에 의한 연안 지역의 피해도 증가시킬 것으로 예상된다. 이에 따라 본 연구에서는 증가하고 있는 폭풍해일의 피해에 대응하기 위해 방재를 목적으로 폭풍해일 저감 방법에 관한 연구를 수행하였다. 태풍에 의해 해상에서 발생한 폭풍해일은 태풍의 이동 경로상에 위치한 구조물에 의해 영향을 받을 것으로 예상할 수 있으며, 미국에서는 동부 해안과 멕시코만의 해안을 따라 위치한 barrier island에 의한 폭풍해일의 영향을 연구한 사례가 있다. 본 연구는 이러한 부분에 착안하여 태풍의 경로상에 위치한 제주도에 의해 한반도 남해안 지역의 폭풍해일이 직간접적으로 영향을 받을 수 있다고 생각하여 관련 연구를 수행하였다. 제주도가 폭풍해일에 미치는 영향을 분석하기 위해 수치해석 모델을 사용하여 다양한 상황에 대해 시뮬레이션을 수행하였다. 제주도를 활용한 결과는 초대형 태풍에 대응하는 신형 방재구조물 연구에 활용될 수 있을 것으로 생각된다.

Keywords

Acknowledgement

이 성과는 정부(해양수산부)의 재원으로 한국해양과학기술원의 지원을 받아 수행된 연구임(PEA0031, 해양에너지 및 항만 해양 구조물 실용화 기술개발), (PEA0033, 해양쓰레기 재활용 항만 구조물 수명연장 기술개발).

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