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Article

Comprehensive Assessment of Water Quality and Pollution Source Apportionment in Wuliangsuhai Lake, Inner Mongolia, China

by 1,2, 3, 4, 1,5,* and 1,5
1
State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
2
Environmental Information Monitoring Center of Bayannur, Bayannur 015000, China
3
Institute of Environmental Science of Bayannur, Bayannur 015000, China
4
Institute of Loess Plateau, Shanxi University, Taiyuan 030006, China
5
University of Chinese Academy of Sciences, Beijing 100049, China
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(14), 5054; https://doi.org/10.3390/ijerph17145054
Received: 15 May 2020 / Revised: 6 July 2020 / Accepted: 9 July 2020 / Published: 14 July 2020
(This article belongs to the Special Issue Health Risk Assessment Related to Environmental Exposure)
Water quality is a key indicator of human health. Wuliangsuhai Lake plays an important role in maintaining the ecological balance of the region, protecting the local species diversity and maintaining agricultural development. However, it is also facing a greater risk of water quality deterioration. The 24 water quality factors that this study focused on were analyzed in water samples collected during the irrigation period and non-irrigation period from 19 different sites in Wuliangsuhai Lake, Inner Mongolia, China. Principal component analysis (PCA) and hierarchical cluster analysis (HCA) were conducted to evaluate complex water quality data and to explore the sources of pollution. The results showed that, during the irrigation period, sites in the middle part of the lake (clusters 1 and 3) had higher pollution levels due to receiving most of the agricultural and some industrial wastewater from the Hetao irrigation area. During the non-irrigation period, the distribution of the comprehensive pollution index was the opposite of that seen during the irrigation period, and the degree of pollutant index was reduced significantly. Thus, run-off from the Hetao irrigation area is likely to be the main source of pollution. View Full-Text
Keywords: water quality; principal component analysis; cluster analysis; comprehensive assessment; Wuliangsuhai Lake water quality; principal component analysis; cluster analysis; comprehensive assessment; Wuliangsuhai Lake
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MDPI and ACS Style

Shi, R.; Zhao, J.; Shi, W.; Song, S.; Wang, C. Comprehensive Assessment of Water Quality and Pollution Source Apportionment in Wuliangsuhai Lake, Inner Mongolia, China. Int. J. Environ. Res. Public Health 2020, 17, 5054. https://doi.org/10.3390/ijerph17145054

AMA Style

Shi R, Zhao J, Shi W, Song S, Wang C. Comprehensive Assessment of Water Quality and Pollution Source Apportionment in Wuliangsuhai Lake, Inner Mongolia, China. International Journal of Environmental Research and Public Health. 2020; 17(14):5054. https://doi.org/10.3390/ijerph17145054

Chicago/Turabian Style

Shi, Rui, Jixin Zhao, Wei Shi, Shuai Song, and Chenchen Wang. 2020. "Comprehensive Assessment of Water Quality and Pollution Source Apportionment in Wuliangsuhai Lake, Inner Mongolia, China" International Journal of Environmental Research and Public Health 17, no. 14: 5054. https://doi.org/10.3390/ijerph17145054

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