River Water Quality Risk Assessment Using Grey Correlation in Baoji Weihe River of China

Yin Ge Liu; Yi Xuan Yang; Lin Gang Wang

doi:10.4028/www.scientific.net/AMM.737.677

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 737River Water Quality Risk Assessment Using Grey...

River Water Quality Risk Assessment Using Grey Correlation in Baoji Weihe River of China

Abstract:

Based on the grey theory, a grey correlation evaluation model (GCEM) was built for risk assessment of river water quality. Five pollutants are used for risk assessment indicators, while the risk class was determined by the maximum principle. The results indicate that the water quality risk is higher in Baoji Weihe River of China. Potassium permanganate index risk is the maximum and the second is BOD₅. The comparison with other methods confirmed that evaluation of GCEM is agreement with the actual condition. Moreover, this method is simple and solid for water risk evaluation and would be used for rive water environmental administration.

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Periodical:

Applied Mechanics and Materials (Volume 737)

Pages:

677-680

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.737.677

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Online since:

March 2015

Authors:

Yin Ge Liu*, Yi Xuan Yang, Lin Gang Wang

Keywords:

Baoji Weihe River, Grey Correlation, Risk Assessment, Water Quality

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