Water Quality Risk Assessment from Roadway Substructures Employing Fly Ash

2016 ◽  
Author(s):  
Brigitte L. Brown ◽  
Craig H. Benson ◽  
Tuncer B. Edil ◽  
Sabrina L. Bradshaw
Keyword(s):  
Water Quality ◽  
Risk Assessment ◽  
Fly Ash ◽  
Quality Risk

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

2015 ◽  
Vol 737 ◽  
pp. 677-680
Author(s):  
Yin Ge Liu ◽  
Yi Xuan Yang ◽  
Lin Gang Wang
Keyword(s):  
Water Quality ◽  
Risk Assessment ◽  
River Water ◽  
River Water Quality ◽  
Actual Condition ◽  
Grey Theory ◽  
Risk Class ◽  
Grey Correlation ◽  
Weihe River ◽  
Quality Risk

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.

The Impact of Time-Integrating Active or Passive Sampling Methods on Bioanalytical Water Quality Risk Assessment

2021 ◽  
Author(s):  
Ron van der Oost ◽  
Jaap Postma ◽  
Willie van den Berg ◽  
Mai Nguyen ◽  
Corine Houtman ◽  
...  
Keyword(s):  
Water Quality ◽  
Risk Assessment ◽  
Passive Sampling ◽  
Sampling Methods ◽  
Quality Risk ◽  
The Impact
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