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

  • 제34권6호
  • /
  • Pages.325-334
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  • 2022
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  • 1976-8192(pISSN)
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  • 2288-2227(eISSN)
한국해안·해양공학회 (Korean Society of Coastal and Ocean Engineers)
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해안 방재를 위한 한반도의 태풍 특성 변화 연구

A Study on Changes in the Characteristics of Typhoons around the Korean Peninsula for Coastal Disaster Prevention

  • 박영현 (한국해양과학기술원 연안개발에너지 연구센터)
  • Young Hyun, Park (Costal Development and Energy Research Center, Korea Institute of Ocean Science & Technolog)
  • 투고 : 2022.11.19
  • 심사 : 2022.12.22
  • 발행 : 2022.12.31
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초록

기후변화라는 용어가 대중화되기 시작한 지 30여 년이 훨씬 지났지만, 최근 들어 급속히 가속화된 모습들이 전 세계에서 기상이변의 모습으로 나타나고 있다. 미국 데스밸리 사막에서는 폭우가 내리고, 유럽은 기온이 40도 이상 상승하는 등 예년과 확연히 다른 현상을 보여주고 있다. 한반도에서는 수년 전부터 풍속이 매우 강한 슈퍼 태풍이 큰 재난 위험이 되었으며, 해수 온도 상승에 의한 더 많은 에너지 공급으로 슈퍼 태풍의 발생 가능성이 높아져 이에 대한 사전 대응이 요구되고 있다. 본 연구는 수치해석을 이용한 방법과 달리 과거 태풍 자료를 분석하여, 해안 방재를 목적으로 태풍 특성의 변화를 연구하였다. 기존의 연구는 발생한 모든 열대폭풍을 대상으로 하고 있지만, 본 연구에서는 한반도 남쪽 해역에 특정 구역을 설정한 후 연구를 수행하였다. 연구 대상은 1980년부터 현재까지 40여년간 발생한 태풍들이며, 한반도에 영향을 주는 태풍의 최대 풍속이 다소 증가한 것을 확인할 수 있었다. 특정 해역에서 태풍의 풍속은 일생 최대 풍속의 80% 정도이며, ENSO와의 상관관계는 확인할 수 없었다.

It has been more than 30 years since the term climate change began to become popular, but recently, rapid accelerated phenomena are appearing in the form of extreme weather all over the world. It is showing a distinctly different phenomenon from previous years, with heavy rain falling in the Death Valley desert in the U.S., and temperatures rising more than 40 degrees in Europe. In the Korean Peninsula, super typhoons with very strong wind speeds have become a major disaster risk for many years, and the supply of more energy due to the rise in sea temperature increases the possibility of super typhoons, requiring a proactive response. Unlike the method using numerical analysis, this study analyzed past typhoon data to study changes in typhoon characteristics for coastal disaster prevention. Existing studies have targeted all typhoons that have occurred, but in this study, a specific area was set up in the southern ocean of the Korean Peninsula and then a study was conducted. The subjects of the study were typhoons that occurred over the past 40 years from 1980 to the present, and it was confirmed that the maximum wind speed of typhoons affecting the Korean Peninsula increased slightly. The wind speed of typhoons in the specific area is about 80% of the maximum wind speed in their lifetime, and a correlation with ENSO could not be confirmed.

키워드

과제정보

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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