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

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2006, 15(2), pp.129-138
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

Kim Taekeun 1

1청주대학교

Accredited

ABSTRACT

The measurements of nutrient and runoff in 4 streams have been performed before and afterthe rainfall in order to estimate nutrient loads in the Yongdam reservoir. The equations for therelationship between the flow and the loads in each stream could be estimated by the regressionanalysis. R2 of TN showed the range from 0.95 to 0.99 and the range of R2 for TP was 0.90~0.95based on the results of the regression analyses. In 2002, total loadings from the upstream to theYongdam reservoir were TN 1,175 ton/year, TP 69 ton/year. There were 64.9% of TN and72.3% of TP during 4 months as the flood season. Due to the rainfall, the load of TP was higherthan one of TN in Yongdam reservoir.

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