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http://dx.doi.org/10.5389/KSAE.2022.64.5.053

Assessment of Flood Vulnerability for Small Reservoir according to Climate Change Scenario - Reservoir in Gyeonggi-do -  

Heo, Joon (Rural Research Institute, Korea Rural Community Corporation)
Bong, Tae-Ho (Department of Forest Science, Chungbuk National University)
Kim, Seong-Pil (Institutes of Green Bio Science and Technology, Seoul National University)
Jun, Sang-Min (Convergence Major in Global Smart Farm, Seoul National University)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.64, no.5, 2022 , pp. 53-65 More about this Journal
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;
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Times Cited By KSCI : 4  (Citation Analysis)
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