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Hu, Sha
- Correlation Analysis and Forecasting Changes in Yongding River Water Quality Based on Information Entropy and Gray System Theory
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Authors
Affiliations
1 Renewable Energy Institute, North China Electric Power University, Beijing, CN
1 Renewable Energy Institute, North China Electric Power University, Beijing, CN
Source
Nature Environment and Pollution Technology, Vol 14, No 3 (2015), Pagination: 655-661Abstract
The Yongding River is the mother river of Beijing. However, due to the environmental pollution caused by the economic development, the water and coastal environment of this river has suffered from great destruction. The ecological restoration of the Yongding River is imperative. In this paper, we analysed seven basic water quality indicators in Yongding River based on Information Entropy and found that the main factors for affecting water quality were ammonia and CODMn. Then the basic water quality indicators were predicted, based on Grey System GM(1,1) model and we concluded that turbidity and conductivity would grow fastest in the next 20 years. Finally, we made some reasonable ideas and methods in Yongding River ecological restoration.Keywords
Yongding River, Water Environment, Grey System GM(1,1) Model, Information Entropy.- The Fuzzy Comprehensive Evaluation of Water Quality Based on Weighted Modified in Beijing Garden Show Park
Abstract Views :141 |
PDF Views:1
Authors
Affiliations
1 National Engineering Laboratory for Biomass Power Generation Equipment, Renewable Energy Institute, North China Electric Power University, Beijing-102206, CN
1 National Engineering Laboratory for Biomass Power Generation Equipment, Renewable Energy Institute, North China Electric Power University, Beijing-102206, CN