Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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The Evaluation of Water Quality Using a Multivariate Analysis in Changnyeong-Haman weir section

다변량 통계분석을 이용한 낙동강 창녕함안보 구간의 수질 특성 평가

  • Gwak, Bo-ra (Department of Environmental Engineering, Pukyong National University) ;
  • Kim, Il-kyu (Department of Environmental Engineering, Pukyong National University)
  • Received : 2015.10.24
  • Accepted : 2015.11.26
  • Published : 2015.12.15
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Abstract

The study of water environment system using a multivariate analysis in Changnyeong-Haman weir section has been conducted. The purpose of this study is to establish better understanding related water qualities in the Changnyeong-Haman weir section which can provide useful information. The data were consisted of water quality data and algae data including WT(water temperature), pH, DO, EC, COD, SS, T-N, $NH_3-N$, T-P, $PO_4-P$, Chl-a, TOC, d-silica, t-silica, Cyanobacteria, Diatoms, and Green algae. Statistical analyses used in this study were correlation analysis, principal components, and factor analysis. According to correlation analysis on COD and TOC, it revealed that the each value of correlation coefficient was 0.843. On the other result, a negative correlation was observed between diatoms and d-silica. Furthermore, the results of principal component analysis to the overall water quality were classified into four main factors with contribution rate 81.071%.

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  2. 낙동강수계 수질의 시·공간적 특성에 대한 통계학적 분석 vol.28, pp.3, 2015, https://doi.org/10.5322/jesi.2019.28.3.303