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논문 기본 정보

자료유형
학술저널
저자정보
김지혜 (서울대학교) 곽지혜 (서울대학교) 황순호 (서울대학교 농업생명과학연구원) 전상민 (서울대학교) 이성학 (유역통합관리연구원) 이재남 (한국농어촌공사) 강문성 (서울대학교)
저널정보
한국농공학회 한국농공학회논문집 한국농공학회논문집 제63권 제5호
발행연도
2021.9
수록면
49 - 62 (14page)
DOI
https://doi.org/10.5389/KSAE.2021.63.5.049

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The objective of this study was to evaluate the flood control capacity of the agricultural reservoir based on state-of-the-art climate change scenario ? SSP (Shared Socioeconomic Pathways). 18 agricultural reservoirs were selected as the study sites, and future rainfall data based on SSP scenario provided by CMIP6 (Coupled Model Intercomparison Project 6) was applied to analyze the impact of climate change. The frequency analysis module, the rainfallrunoff module, the reservoir operation module, and their linkage system were built and applied to simulate probable rainfall, maximum inflow, maximum outflow, and maximum water level of the reservoirs. And the maximum values were compared with the design values, such as design flood of reservoirs, design flood of direct downstream, and top of dam elevation, respectively. According to whether or not the maximum values exceed each design value, cases were divided into eight categories; I-O-H, I-O, I-H, I, O-H, O, H, X. Probable rainfall (200-yr frequency, 12-h duration) for observed data (1973∼2020) was a maximum of 445.2 mm and increased to 619.1∼1,359.7 mm in the future (2011∼2100). For the present, 61.1% of the reservoirs corresponded to I-O, which means the reservoirs have sufficient capacity to discharge large inflow; however, there is a risk of overflowing downstream due to excessive outflow. For the future, six reservoirs (Idong, Baekgok, Yedang, Tapjung, Naju, Jangsung) were changed from I-O to I-O-H, which means inflow increases beyond the discharge capacity due to climate change, and there is a risk of collapse due to dam overflow.

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