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논문 기본 정보

자료유형
학술저널
저자정보
이상욱 (한국수자원공사 수자원연구원) 김정곤 (한국수자원공사 수자원연구원) 노준우 (한국수자원공사 수자원연구원) 고익환 (한국수자원공사 수자원연구원)
저널정보
한국물환경학회 수질보전 수질보전 제23권 제2호
발행연도
2007.1
수록면
228 - 235 (8page)

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For efficient turbid water withdrawal in the Imha reservoir, a selective withdrawal facility was recently installed and operated during summer season of year 2006. In this research, CE-QUAL-W2 model was utilized to assess the efficiency of the selective withdrawal facility, in comparison with the original surface withdrawal, on turbid water management. Model calibration was carried out using data observed at four automatic monitoring stations in the reservoir. It was found that the model appropriately simulated, with the RMSE less than 5.2 NTU, the observed vertical and horizontal distributions of water temperature and turbidity as well as the location of maximum turbid water at each monitoring station. The analysis results showed that selective withdrawal is more effective in removing high turbid water than surface withdrawal as selective withdrawal contributed to reducing $35Mm^3$ of high turbidity water (> 100 NTU) in the reservoir by increasing outflows of high turbid water. Therefore, effective management of turbid water in the reservoir can be achieved by changing locations of intake depending on turbid water distribution conditions. The results of this study will provide some basic information for establishing better operation strategies to cope with turbid water problems.

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