농업유역 비점오염 관리를 위한 동진강 행정교 유역의 수문·수질 모니터링
Monitoring of Hydrological and Water Quality in Dongjin-River Hengjeong Bridge Watershed for Agricultural Watershed Non-Point Pollutant Sources Management
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참고문헌
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초록
This study was performed to investigate the stream water quality characteristics in Hengjeong Bridge Basin of Dongjin River during twelve months from October, 2010 to September, 2011. Also, pollutant loads were calculated on the basis of the water quality and runoff results. The results showed that ranges of water temperature, pH and EC were 6.2∼23.90 ℃, 6.32∼7.78, 84.4∼126.5 μS/cm respectively. The Concentration of DO, BOD, COD, SS, Tot-N and Tot-P were observed as 6.80∼9.20 mg/L, 0.40∼1.60 mg/L, 1.96 ∼4.41 mg/L, 59.60∼142.20 mg/L, 1.28∼3.52 mg/L, 0.001∼0.07 mg/L respectively. Tot-N showed correlativity with BOD, and Tot-P showed correlativity with SS. The runoff pollutant loading of Tot-N and Tot-P were 117.94 kg/ha and 2.06 kg/ha respectively, in Hengjeong bridge of Dongjin river watershed. In the case of the correlativity between runoff pollutant loads and concentrations, Tot-N and Tot-P show low significant relationships.
Abstract
This study was performed to investigate the stream water quality characteristics in Hengjeong Bridge Basin of Dongjin River during twelve months from October, 2010 to September, 2011. Also, pollutant loads were calculated on the basis of the water quality and runoff results. The results showed that ranges of water temperature, pH and EC were 6.2∼23.90 ℃, 6.32∼7.78, 84.4∼126.5 μS/cm respectively. The Concentration of DO, BOD, COD, SS, Tot-N and Tot-P were observed as 6.80∼9.20 mg/L, 0.40∼1.60 mg/L, 1.96 ∼4.41 mg/L, 59.60∼142.20 mg/L, 1.28∼3.52 mg/L, 0.001∼0.07 mg/L respectively. Tot-N showed correlativity with BOD, and Tot-P showed correlativity with SS. The runoff pollutant loading of Tot-N and Tot-P were 117.94 kg/ha and 2.06 kg/ha respectively, in Hengjeong bridge of Dongjin river watershed. In the case of the correlativity between runoff pollutant loads and concentrations, Tot-N and Tot-P show low significant relationships.
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