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2022 Vol.64, Issue 5 Preview Page
Assessment of Flood Vulnerability for Small Reservoir according to Climate Change Scenario

기후변화 시나리오에 따른 소규모 저수지의 홍수 취약성 평가

Joon Heoa
,
Tae-Ho Bongb†
,
Seong-Pil Kimc
,
Sang-Min Jund
허 준a
,
봉 태호b†
,
김 성필c
,
전 상민d
aResearcher, Rural Research Institute, Korea Rural Community Corporation
bAssociate Professor, Department of Forest Science, Chungbuk National University
cSenior Researcher, Institutes of Green Bio Science and Technology, Seoul National University
dPost-doc., Convergence Major in Global Smart Farm, Seoul National University
a한국농어촌공사 농촌연구원 연구위원
b충북대학교 산림과학과 부교수
c서울대학교 녹색바이오과학기술원 선임연구원
d서울대 글로벌스마트팜 융합전공 박사후과정
† Corresponding author Tel.: +82-43-261-2533, Fax: +82-43-272-5921, E-mail: thbong@cbnu.ac.kr
2022. pp. 53-65
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Abstract

Most of the reservoirs managed by the city and county are small and it is difficult to respond to climate change because the drainage area is small and the inflow increases rapidly when a heavy rain occurs. In this study, the current status of reservoirs managed by city and county in Gyeonggi-do was reviewed and flood vulnerability due to climate change was analyzed. In order to analyze the impact of climate change, CMIP6-based future climate scenario provided by IPCC was used, and future rainfall data was established through downscaling of climate scenario (SSP8-8.5). The flood vulnerability of reservoirs due to climate change was evaluated using the concept provided by the IPCC. The future annual precipitation at six weather stations appeared a gradual increase and the fluctuation range of the annual precipitation was also found to increase. As a result of calculating the flood vulnerability index, it was analyzed that the flood vulnerability was the largest in the 2055s period and the lowest in the 2025s period. In the past period (2000s), the number of D and E grade reservoirs was 58, but it was found to increase to 107 in the 2055s period. In 2085s, there were 17 E grade reservoirs, which was more than in the past. Therefore, it is necessary to take measures against the increasing risk of flooding in the future.

Keywords
Small reservoir
flood vulnerability
climate change
SSP scenario
References

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Information
  • Publisher :The Korean Society of Agricultural Engineers
  • Publisher(Ko) :한국농공학회
  • Journal Title :Journal of Korean Society of Agricultural Engineers
  • Journal Title(Ko) :한국농공학회논문집
  • Volume : 64
  • No :5
  • Pages :53-65
  • Received Date : 2022-08-12
  • Revised Date : 2022-09-05
  • Accepted Date : 2022-09-07
  • DOI :https://doi.org/10.5389/KSAE.2022.64.5.053
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