Sensitivity analysis for the EPIK method of vulnerability assessment in a small karstic aquifer, southern Belgium |
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| Authors: | Radu Constantin Gogu Alain Dassargues |
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| Institution: | (1) University of Liege, Laboratory of Engineering Geology, Hydrogeology and Geophysical Prospecting, B19 Sart Tilman, 4000 Liege, Belgium Fax: +32-4-3662817 e-mail: Alain.Dassargues@ulg.ac.be, BE;(2) Technical University of Civil Engineering, 124 B-dul. Lacul Tei, Sect. 2, Bucharest, Romania, RO;(3) Catholic University of Leuven, Department of Geography – Geology, Redingenstraat 16, 3000 Leuven, Belgium, BE |
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| Abstract: | Applying the EPIK parametric method, a vulnerability assessment has been made for a small karstic groundwater system in southern
Belgium. The aquifer is a karstified limestone of Devonian age. A map of intrinsic vulnerability of the aquifer and of the
local water-supply system shows three vulnerability areas. A parameter-balance study and a sensitivity analysis were performed
to evaluate the influence of single parameters on aquifer-vulnerability assessment using the EPIK method. This approach provides
a methodology for the evaluation of vulnerability mapping and for more reliable interpretation of vulnerability indices for
karst groundwater resources.
Received, March 1999/Revised, December 1999, February 2000/Accepted, February 2000 |
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| Keywords: | vulnerability karst groundwater protection sensitivity analysis Belgium |
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