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Variational Characteristics of Nutrient Loading in Inflow Streams of the Yongdam Reservoir Using Flow-Loading Equation  

Kim, Tae Geun (Department of Environmental Engineering, Cheongju University)
Publication Information
Journal of Environmental Impact Assessment / v.15, no.2, 2006 , pp. 129-138 More about this Journal
Abstract
The measurements of nutrient and runoff in 4 streams have been performed before and after the rainfall in order to estimate nutrient loads in the Yongdam reservoir. The equations for the relationship between the flow and the loads in each stream could be estimated by the regression analysis. R2 of TN showed the range from 0.95 to 0.99 and the range of R2 for TP was 0.90~0.95 based on the results of the regression analyses. In 2002, total loadings from the upstream to the Yongdam reservoir were TN 1,175 ton/year, TP 69 ton/year. There were 64.9% of TN and 72.3% of TP during 4 months as the flood season. Due to the rainfall, the load of TP was higher than one of TN in Yongdam reservoir.
Keywords
Flow-Loading Equation; Nutrient; Yongdam Reservoir;
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