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Nowadays, the environment risk of mining area is a very serious problem. And mining area environmental impact of a variety of uncertainties, from the engineering point of view can be divided into land pollution, water pollution, air pollution, noise pollution and solid waste pollution. In the paper, an evaluation index system of mining area risk is established by using the triangular fuzzy number...
The fuzzy cluster and different multivariate statistical techniques were used to evaluate landscape water bodies (LWB) of Wenzhou using data sets of 7 different sites. The fuzzy cluster and hierarchical cluster analysis grouped seven sampling sites into three clusters i.e. highly pollution level (HPL), medium pollution level (MPL) and less pollution level (LPL) sites based on the similarity of water...
Over the years, the unreasonable pricing of water resources has led to serious distortions of the market price of water. This paper introduces the fuzzy comprehensive evaluation method to evaluate water resources, using AHP to determine the value of the 22 factors which influence the price of water resources such as consumption of water per capita, degree of water shortage, water quality, the environmental...
Aerated filter packed with natural zeolite was applied to treat low polluted surface water in a pilot experiment. The removal of NH3-N, permanganate index and turbidity were analyzed, and the performance under different HRT was introduced based on the index derived from ?? theory and fuzzy mathematics method. Experimental results indicate that HRT had different effect on the removal of NH3-N, turbidity...
In view of the deficiency of classic method evaluating water quality. A grey relational analysis model is proposed to evaluate water quality in river. The principle of grey relational analysis and its process are introduced. Suzhou river was selected and assessed by using this method. And it was found that, compared with the fuzzy complex judgment method, the result was remarkably different. The possible...
The water quality of groundwater in Jining has been assessed comprehensively based on the environmental investigation and monitoring in order to provide the scientific basis for the pollution treatment in the Jining city. This paper discussed the choice of the evaluated factors, the operations of the weight value, and compares with the status of the water quality in the course of the evaluation. The...
In this paper, measured values of annual indexes were directly utilized to assessment. By using projection, we make integrated assessment of environmental quality in Guangzhou City from 2003 to 2007. The order of annual environmental quality is obtained. The results show that the environmental quality in Guangzhou is worrying.
In order to overcome the weakness of subjectivity in determining weight coefficient of fuzzy comprehensive evaluation method, an attributes recognition method based on coefficient of data-driven is built up, and the weight is determined by the data-mining thinking through comprehensive utilization of classification criteria information and sample information. Utilization of this model to evaluate...
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