Applications of Cluster Analysis Method in Surface Water Quality Assessment: A Case Study in Balihe Lake, China
International Journal of Environmental Protection and Policy
Volume 7, Issue 3, May 2019, Pages: 93-98
Received: Jul. 13, 2019;
Accepted: Aug. 6, 2019;
Published: Aug. 19, 2019
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Jiazhu Lan, Research Center for Engineering Ecology and Nonlinear Science, North China Electric Power University, Beijing, China
Meifang Zhong, Research Center for Engineering Ecology and Nonlinear Science, North China Electric Power University, Beijing, China
Yixin Xu, Research Center for Engineering Ecology and Nonlinear Science, North China Electric Power University, Beijing, China
Zhongyu Wang, Research Center for Engineering Ecology and Nonlinear Science, North China Electric Power University, Beijing, China
Hai Huang, Research Center for Engineering Ecology and Nonlinear Science, North China Electric Power University, Beijing, China
Analyses on the spatial evolution and distribution of surface water quality are important to the treatment and protection of water environment in a lake. In Balihe Lake, an inland freshwater lake in east China, 7 water environmental factors at 45 sampling sites were monitored and served as the basis of this study. Cluster analysis (CA), a multivariate statistical analysis method, was utilized to study the spatial variation and grouping of these sampling sites based on the monitored water quality data. The results of this study showed that the water quality characteristics at these 45 sampling sites, which was grouped into the clusters of upstream, midstream and downstream, highly depended on the spatial location of the lake. Some nutrients content of the upstream area was much higher, while the water quality of the downstream area was much better although some of water quality indicators at the outlet still didn’t match the standards of local government. The CA results of the study may provide some guidance to the priority areas of water environment protection or treatment for the government.
Applications of Cluster Analysis Method in Surface Water Quality Assessment: A Case Study in Balihe Lake, China, International Journal of Environmental Protection and Policy.
Vol. 7, No. 3,
2019, pp. 93-98.
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/
) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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