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KMID : 1024520080170040451
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Journal of the Environmental Sciences
2008 Volume.17 No. 4 p.451 ~ p.459
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Forecasting of Pollution Inflow of the Small Channel Catchment
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Kim Dong-Phil
Jeon Min-Woo
Yim Dong-Hee
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Abstract
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This study was carried out forecasting of pollution inflow of the Small Mountainous Catchment, namely; Seolma-cheon experimental catchment. Pollutographs of DO, BOD, T-N, Conductivity, T-p, pH. COD, SS from this catchment were obtained from in-situ data of total ten events using QUAL2E-PULS model. From the analysis results, between up stream(Sabang-bridge) and down stream (Memorial-bridge, outlet) obtained relation formula of water quality component. Determination coefficient of relation formula, Conductivity, COD, BOD, DO, pH, T-N, T-P, and SS showed high relation of . The increases of DO, BOD, COD, and pH concentration of Memorial-bridge were associated with pollution inflow by road building far 2.25km from Sabang-bridge to down stream. The analysis results of QUAL2E-PULS simulation and up/down stream relation formula, pollution amounts of DO, BOD, COD and pH increased at Memorial-bridge and pollution source site. Therefore, pollution inflow can be forecasted exactly by up/down stream relation formula at pollution source site.
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KEYWORD
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Pollution inflow, Seolma-cheon experimental catchment, QUAL2E-PULS, Relation formula
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