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The Estimation of Contribution Ratio for Sub Stream in Nam River Basin

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2012, 21(5), pp.745-755
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

Jae-Woon Lee 1 Hun-Gak Kwon 1 Insoo Kwak 1 윤종수 1 cheon, se-uk 2

1국립환경과학원 낙동강물환경연구소
2국립환경연구원 낙동강물환경연구소

Accredited

ABSTRACT

The relations between tributaries and mainstream were identified with the water qualities measurements in the field. Parameters of water qualities were BOD, T-N, T-P and measurements were performed by 4 events of rainfalls for 2011. The precipitation data influenced on pollutants loads. Pollutants loads were fluctuations with the seasonal variation. Gajoacheon contributed in 18.39% of BOD, 23.79% of T-N, 15.23% of T-P and Nabulcheon contributed in 13.54% of BOD, 13.05% of T-N and 13.66% of T-P in the region from Nam River_C to Nam River_D. In case of the region from Nam River_C to Nam River_D, Yongacheon river inflowed to main stream as 23.65% of BOD, 20.74% of T-N, and 15.05% of T-P.

Citation status

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