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The risk assessment of drinking water source focused on quantitative assessment of contaminants detected in drinking water on human health risks, but the potential environmental risk assessment of source drinking water protection is rare research. Therefore, in this paper, expert systems and AHP were introduced into the conventional fuzzy comprehensive evaluation in order to improve the degree of...
Identification of water quality conditions in a river system based on limited observations is an essential task for meeting the goals of environmental management. Various classification methods have been used for water quality estimation. However, a discrepancy frequently arises from the lack of a clear distinction between each water utilization mode, the uncertainty in the quality criteria employed...
The assessment of River water quality is the basis of water pollution control, environmental management and environment planning. In this paper, combining analytical hierarchy process(AHP) with fuzzy mathematics, we make a synthetic assessment of river water quality, the indicator system of fuzzy synthetic assessment of rive water quality is established. AHP is used to determine the weight of indicators...
This paper presents the construction of a fuzzy environmental quality index for decision support in municipal environmental management. Five groups of indicators were selected in order to obtain an equation that best represented reality in terms of environmental quality. The calculation was carried out using “fuzzy” mathematical concepts, with the aid of the package Fuzzy Logical Toolbox 2.1 for Matlab...
Sustainability has become a popular word since the last decades, but a practical approach to evaluate sustainability not existed. The evaluation of sustainability in water management needs criteria/indicators and objectives, which define what is good or bad. For comparing sustainable water management alternatives an evaluation method to integrate and rank calculated indicators is needed as well. The...
Reclaimed water reuse is one of the technical methods of water saving, and it's the inevitable development trend of urban water saving work. In this paper, the purpose and significance of developing reclaimed water reuse is discussed from the core issue of water resources management. The viewpoints that carrying out centralized reclaimed water reuse is not suitable in water-ample urban and decentralized...
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.
Today, the disproportional distribution of water resources becomes a restrictive factor for sustainable development of Chinese national economy. Therefore, Chinese government has implemented numerous Inter-basin water diversion projects. However they are complicated and systemic engineering projects which consist of many facilities with longer delivery route, involutedly transit area and multitudinous...
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