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Journal of Zhejiang University SCIENCE A

ISSN 1673-565X(Print), 1862-1775(Online), Monthly

2006 Vol.7 No.11 P.1917-1922

Fuzzy pattern recognition method for assessing groundwater vulnerability to pollution in the Zhangji area

MAO Yuan-yuan, ZHANG Xue-gang, WANG Lian-sheng

School of the Environment, Nanjing University, Nanjing 210093, China; Water Resources Planning Bureau of Jiangsu Province, Nanjing 210029, China; School of Water Resources and Environment, Hohai University, Nanjing 210098, China

myy_1119@hotmail.com

Abstract: Based on the widely used DRASTIC method, a fuzzy pattern recognition and optimization method was proposed and applied to the fissured-karstic aquifer of Zhangji area for assessing groundwater vulnerability to pollution. The result is compared with DRASTIC method. It is shown that by taking the fuzziness into consideration, the fuzzy pattern recognition and optimization method reflects more efficiently the fuzzy nature of the groundwater vulnerability to pollution and is more applicable in reality.

Key words: Fuzzy sets recognition and optimization method, Groundwater vulnerability to pollution, DRASTIC


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DOI:

10.1631/jzus.2006.A1917

CLC number:

TU984

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Received:

2006-02-13

Revision Accepted:

2006-07-03

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