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J. Korean Soc. Hazard Mitig. > Volume 18(7); 2018 > Article
풍수해방재
Journal of the Korean Society of Hazard Mitigation 2018;18(7):395-402.
DOI: https://doi.org/10.9798/KOSHAM.2018.18.7.395    Published online December 31, 2018.
경년별 한반도 영향 태풍 활동 및 태풍 동반 강우 특성 변화 분석
강현웅1, 손찬영2, 박진혁3, 장수형4, 김정민5
1정회원, 서울시립대학교 토목공학과 박사과정
2정회원, 한국수자원공사 한강권역본부 선임연구원
3정회원, 한국수자원공사 K-water융합연구원 수석연구원
4정회원, 한국수자원공사 K-water융합연구원 책임연구원
5정회원, 한국수자원공사 K-water융합연구원 위촉연구원
A Study on the Time-Periodic Characteristics of Changes in Typhoon Activities and Typhoon-Induced Rainfall over the Korean Peninsula
Hyunwoong Kang1, Chanyoung Son2, Jinhyeog Park3, Suhyung Jang4, Jungmin Kim5
1Member, Ph.D Candidate, Department of Civil Engineering, University of Seoul
2Member, Senior Researcher, Hangang River Regional Division, K-water
3Member, Head Researcher, K-water Convergence Institute, K-water
4Member, Principal Researcher, K-water Convergence Institute, K-water
5Member, Researcher, K-water Convergence Institute, K-water
Corresponding author:  Chanyoung Son, Tel: +82-2-2150-0323, Fax: +82-2-2150-0381, 
Email: cyson@kwater.or.kr
Received: 6 September 2018   • Revised: 11 September 2018   • Accepted: 5 October 2018
Abstract
This study classified the typhoons that hit the Korean Peninsula in the past depending on the period and wind velocity, and analyzed the features of typhoon activities (maximum wind speed, minimum central pressure, occurrence frequency, genesis position, recurving position, and passage frequency) and variability and tendency of rainfall arising from the typhoon. The results of the analysis showed that compared with the typhoons that formed during Period 1 (1977-1994), the typhoons that formed during Period 2 (1995-2012) had stronger maximum wind velocities and lower minimum central pressures. It was revealed that on average, the relatively strong typhoons (wind speed of more than 95 kt) formed further west in Period 2 compared with those in Period 1, and the recurving positions of the typhoons were further north in Period 2 compared with those in Period 1; accordingly, the more recent relatively strong typhoons more directly affected the Korean Peninsula. The results of the analysis showed that hourly maximum rainfall and total rainfall arising from the typhoon were more widespread over the Korean Peninsula in Period 2 than in Period 1; in particular, the gap was wider in the southern region than in any other regions. The findings are expected to be used later as the basic data in drawing up a plan to positively utilize typhoons, such as by securing water resources and minimizing the damage from typhoons.
Key Words: Typhoon Activities, Typhoon-induced Rainfall, Korean Peninsula
요지
본 연구에서는 한반도 영향 태풍을 기간별, 풍속별로 구분하여 태풍 활동 특성(최대풍속, 최소중심기압, 발생빈도, 발생지점, 전향점, 이동경로)과 태풍 동반 강우의 변동성 및 경향성 분석을 수행하였다. 분석결과, Period 2 (1995-2012년)에서 Period 1 (1977-1994년)에 비해 최대풍속은 크게 나타났으며, 최소중심기압은 낮게 나타났다. 비교적 강도가 강한 태풍(풍속 95 kt이상)의 평균 발생지점이 Period 2에서 Period 1에 비해 서쪽으로 치우쳐 발생하였고, 태풍의 전향점의 위치는 Period 2에서 Period 1에 비해 북쪽으로 치우쳐 발생함에 따라 비교적 강한 강도의 태풍이 과거에 비해 한반도에 직접 영향을 미치는 것으로 나타났다. 시간 최대 및 총 태풍 동반 강우량의 분석결과, Period 2에서 Period 1에 비해 한반도 전역에서 크게 나타났으며, 특히, 남부지역에서 많은 차이가 있음을 확인하였다. 본 연구의 결과는 향후, 수자원 확보와 같은 태풍의 긍정적인 활용 방안과 태풍으로 인한 피해저감을 위한 치수대책 수립을 위한 기초자료로 활용 가능할 것으로 판단된다.
핵심용어: 태풍활동, 태풍 동반 강우량, 한반도


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