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논문 기본 정보

자료유형
학술저널
저자정보
곽동희 (서남대학교 환경화학공학부) 유승준 (서남대학교 환경화학공학부) 김지훈 (한국수자원공사 섬진강댐관리단) 임익현 (한려대학교 토목환경공학과) 권지영 (전북대학교 환경공학과) 정팔진 (전북대학교 환경공학과)
저널정보
대한상하수도학회 상하수도학회지 상하수도학회지 제22권 제1호
발행연도
2008.1
수록면
39 - 48 (10page)

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This study was carried out to investigate the characteristics of the pollutant discharge from non-point source and to estimate the unit loads of the pollutant discharge from the upper watershed of Seomjin Dam during rainy season. The upper watershed of Seomjin Dam is located in the middle of Jeonbuk province is formed two tributaries mainly. A sub-branch stream of those tributaries is Imsil stream of which flow rate is about 13% of the main stream of Seomjin reservoir normally. On the basis of measurement result in this study, the water quality of Imsil stream was fluctuated highly and the quantity of measured pollutant discharge was higher than the value calculated with the proportion of flow rate during dry season. On the contrary, during rainy season the mean values of flow rate and water quality were higher than the quartile according to the statistical analysis. That means rainfall can influence strongly on the water quality of the upper watershed of Seomjin reservoir. Among the several criteria of water quality, SS discharge was most sensitive to the flow rate variation of stream, which was fluctuated in proportion of rainfall, basically. It was evaluated the event mean concentration (EMC) of non-point source pollutants depending on rainfall events as well. Though the pollutant discharge unit of Imsil stream was lower than the main stream of Seomjin reservoir, the EMC value of Imsil stream was higher than the main stream of Seomjin reservoir.

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