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231224s2012 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2012.182
|2 doi
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|a eng
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|a Yang, Fengshun
|e verfasserin
|4 aut
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|a Assessment of urban water security based on catastrophe theory
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 29.08.2012
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|a Date Revised 01.12.2018
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|a published: Print
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|a Citation Status MEDLINE
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|a In this study, a model for assessing urban water security is developed using an evaluation method of catastrophe theory. To overcome the defects of the traditional catastrophe evaluation method, two aspects of improvement are assessed. One is expanding the scope of application of the traditional catastrophe approach, i.e., new normalization formulae for five lower level indicators contained in the index at the higher level is proposed in theory. The other is solving the problem that the synthetic values are generally high and the differences are not obvious based on the theories of Cramer's Rule and Vander monde determinant. The assessment results in Wuhan city are in good agreement with the actual situation. The comparison between the results of the improved method and a fuzzy comprehensive evaluation method verifies the science and reliability of the developed method. Consequently, it is concluded that the improved method can be an effective tool for assessment of urban water security and provide a valuable reference for improving inadequacies in urban water security
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Shao, Dongguo
|e verfasserin
|4 aut
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|a Xiao, Chun
|e verfasserin
|4 aut
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| 700 |
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|a Tan, Xuezhi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 66(2012), 3 vom: 31., Seite 487-93
|w (DE-627)NLM098149431
|x 0273-1223
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|g volume:66
|g year:2012
|g number:3
|g day:31
|g pages:487-93
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|u http://dx.doi.org/10.2166/wst.2012.182
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|d 66
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|h 487-93
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