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논문 기본 정보

자료유형
학술저널
저자정보
이정은 (경상대학교) 최지은 (경상국립대학교) 황세운 (경상국립대학교)
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한국농공학회 한국농공학회논문집 한국농공학회논문집 제66권 제5호
발행연도
2024.9
수록면
67 - 79 (13page)

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Water balance analysis in heightened reservoirs, which have been raised to ensure a stable supply of irrigation water and secure water against floodsand heavy rainfall, is essential for evaluating water supply capacity and reservoir maintenance. The consecutively linked reservoir system, which involvespreserving the existing embankment while constructing a new one, affects the water balance between the existing and new reservoirs. This study aimsto analyze the linked water balance between reservoirs in a consecutively linked reservoir system using the DIROM (Daily Irrigation Reservoir OperationModel) model. Surveys were conducted to investigate actual water use, and multiple water supply quantities were estimated based on these findings. Methods to supplement missing data and improve the limitations of simulated inflow were proposed and applied, and the performance of the dailystorage simulation was evaluated. By supplementing the missing water use data, the NSE (Nash-Sutcliffe Efficiency) of the Sonhang reservoir storagerate simulation improved by approximately 30%. Additionally, result of using inflow coefficients significantly enhanced the simulation performance forthe Sonhang2 and Sonhang reservoirs. This study confirms the necessity of incorporating appropriate inflow coefficients in reservoir design to overcomethe model’s tendency to overestimate inflow, highlighting the critical importance of quality control in observational data. The findings are expected tobe useful for the design and analysis of future reservoir systems through embankment heightening.

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