A Comprehensive Method for Water Environment Assessment considering Trends of Water Quality

Water quality is a significant issue, and its assessment plays an important role in environmental management and pollution control. In this paper, we proposed a comprehensive water quality assessment method which takes into account both absolute and temporal trends in water quality. As the first ste...

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Published inAdvances in Civil Engineering Vol. 2021; no. 1
Main Authors Bi, Sheng, Wang, Li, Li, Yongrong, Zhang, Zhenping, Wang, Zhimian, Ding, Xiaoling, Zhou, Jianzhong
Format Journal Article
LanguageEnglish
Published New York Hindawi 2021
John Wiley & Sons, Inc
Wiley
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Abstract Water quality is a significant issue, and its assessment plays an important role in environmental management and pollution control. In this paper, we proposed a comprehensive water quality assessment method which takes into account both absolute and temporal trends in water quality. As the first step, we derived and applied a comprehensive pollution index (CPI) to characterize water pollution in 16 major tributaries to the Danjiangkou Reservoir, located in the upper reaches of the Hanjiang River in China. Next, we used Spearman’s rank correlation analysis to quantify temporal CPI trends in each tributary. As the final step, we conducted principal component analysis (PCA) using data on 8 water quality parameters and the temporal CPI trend from each of the 16 tributaries. The resultant comprehensive water quality assessment method identified tributaries, which stand to improve and threaten water quality in the Danjiangkou Reservoir from both immediate and future perspectives.
AbstractList Water quality is a significant issue, and its assessment plays an important role in environmental management and pollution control. In this paper, we proposed a comprehensive water quality assessment method which takes into account both absolute and temporal trends in water quality. As the first step, we derived and applied a comprehensive pollution index (CPI) to characterize water pollution in 16 major tributaries to the Danjiangkou Reservoir, located in the upper reaches of the Hanjiang River in China. Next, we used Spearman’s rank correlation analysis to quantify temporal CPI trends in each tributary. As the final step, we conducted principal component analysis (PCA) using data on 8 water quality parameters and the temporal CPI trend from each of the 16 tributaries. The resultant comprehensive water quality assessment method identified tributaries, which stand to improve and threaten water quality in the Danjiangkou Reservoir from both immediate and future perspectives.
Audience Academic
Author Bi, Sheng
Zhou, Jianzhong
Wang, Li
Wang, Zhimian
Li, Yongrong
Zhang, Zhenping
Ding, Xiaoling
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  surname: Zhou
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  organization: School of Civil and Hydraulic EngineeringHuazhong University of Science and TechnologyWuhanHubei 430010Chinahust.edu.cn
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SubjectTerms Analysis
China
Civil engineering
Correlation analysis
Datasets
Environmental management
Freshwater resources
Management
Methods
Pollution
Pollution control
Pollution index
Principal components analysis
Quality assessment
Quality standards
Random variables
Rankings
Reservoirs
Rivers
Trends
Tributaries
Water
Water pollution
Water quality
Water quality assessments
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Title A Comprehensive Method for Water Environment Assessment considering Trends of Water Quality
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