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영산강 수계 오염특성 파악을 위한 다변량 통계분석법의 적용
정수정 ( Soo Jung Jung ),이동진 ( Dong Jin Lee ),황경섭 ( Kyung Sup Hwang ),이경희 ( Kyoung Hee Lee ),최경축 ( Kyoung Chuk Choi ),임상순 ( Sang Sun Im ),이윤희 ( Yun Hee Lee ),이재영 ( Jae Young Lee ),임병진 ( Byoung Jin Lim ) 한국하천호수학회(구 한국육수학회) 2012 생태와 환경 Vol.45 No.4
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.