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Evaluation of Pollutant Characteristics in Yeongsan River Using Multivariate Analysis

영산강 수계 오염특성 파악을 위한 다변량 통계분석법의 적용

  • Jung, Soojung (Yeongsan River Environment Research Center, National Institute of Environmtental Research) ;
  • Lee, Dongjin (Yeongsan River Environment Research Center, National Institute of Environmtental Research) ;
  • Hwang, Kyungsup (Yeongsan River Environment Research Center, National Institute of Environmtental Research) ;
  • Lee, Kyounghee (Yeongsan River Environment Research Center, National Institute of Environmtental Research) ;
  • Choi, Kyoungchuk (Yeongsan River Environment Research Center, National Institute of Environmtental Research) ;
  • Im, Sangsun (Yeongsan River Environment Research Center, National Institute of Environmtental Research) ;
  • Lee, Yunhee (Yeongsan River Environment Research Center, National Institute of Environmtental Research) ;
  • Lee, Jaeyoung (Yeongsan River Environment Research Center, National Institute of Environmtental Research) ;
  • Lim, Byoungjin (Yeongsan River Environment Research Center, National Institute of Environmtental Research)
  • 정수정 (국립환경과학원 영산강물환경연구소) ;
  • 이동진 (국립환경과학원 영산강물환경연구소) ;
  • 황경섭 (국립환경과학원 영산강물환경연구소) ;
  • 이경희 (국립환경과학원 영산강물환경연구소) ;
  • 최경축 (국립환경과학원 영산강물환경연구소) ;
  • 임상순 (국립환경과학원 영산강물환경연구소) ;
  • 이윤희 (국립환경과학원 영산강물환경연구소) ;
  • 이재영 (국립환경과학원 영산강물환경연구소) ;
  • 임병진 (국립환경과학원 영산강물환경연구소)
  • Received : 2012.07.28
  • Accepted : 2012.11.18
  • Published : 2012.12.31

Abstract

This study evaluated the water quality of Yeongsan River by multivariate analysis using the data collected during 2001~2010. Water quality in Yeongsan River could be explained up to 75.2% by four factors, which were included in loading of nutrients (32.021%) and organic matters (17.453%), seasonal variation (14.775%) and microbes (10.951%). The results of cluster analysis were classified into three groups by factor 1 and 2, which has different water quality characteristics. Group 1 included sampling stations located in the upper stream and estuary dyke of Yeongsan River, group 2 included Gwangju 1 and Gwangsan affected by domestic sewage of Gwangju-cheon, and group 3 included sampling stations located in the midstream around the livestock farm and farmland.

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