Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Necessity for Expansion of Total Phosphorus Management in the Geum River Watershed

금강수계에서 총인관리의 확대 필요성

  • Park, Jae Hong (Water Pollution Load Management Research Division, National Institute of Environmental Research) ;
  • Lee, Jae Kwan (Water Pollution Load Management Research Division, National Institute of Environmental Research) ;
  • Oh, Seung Young (Water Pollution Load Management Research Division, National Institute of Environmental Research) ;
  • Rhew, Doug Hee (Water Environment Research Department, National Institute of Environmental Research)
  • 박재홍 (국립환경과학원 수질총량연구과) ;
  • 이재관 (국립환경과학원 수질총량연구과) ;
  • 오승영 (국립환경과학원 수질총량연구과) ;
  • 류덕희 (국립환경과학원 물환경연구부)
  • Published : 2013.05.30
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Abstract

Total phosphorus was set as a target indicator to prevent eutrophication and algae growth, etc., in three major rivers (Nakdong River, Geum River and Yeongsang/Seomjin River) for the second phase (2011 ~ 2015) in total maximum daily loads (TMDLs) system. However, total phosphorus management was restrictively introduced, i.e., upstream of the Lake Daechung, in the Geum River watershed. Total phosphorus concentration and trophic levels in downstream of the Lake Daechung (include Mangyeong and Dongjin rivers) were increased more than upstream. Therefore, it is necessary to expand total phosphorus management in all watersheds of the Geum River. If total phosphorus was managed in all area of the Geum River watershed, it is possible to decrease total phosphorus concentration and trophic levels, and solve the unbalanced water quality between up and downstream of the Lake Daechung.

Keywords

References

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