Current trends and future challenges in groundwater vulnerability assessment using overlay and index methods |
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| Authors: | R C Gogu A Dassargues |
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| Institution: | (1) University of Liege, Laboratory of Engineering Geology, Hydrogeology and Geophysical Prospecting, B19 – Sart Tilman, 4000 Liege, Belgium and Technical University of Civil Engineering – B-dul. Lacul Tei nr.124, sect.2, Bucharest, Romania e-mail: rgogu@lgih.ulg.ac.be,;(2) University of Liege, Laboratory of Engineering Geology, Hydrogeology and Geophysical Prospecting, B19 – Sart Tilman, 4000 Liege, Belgium and Catholic University of Leuven, Department of Geography – Geology, Redingenstraat 16, B-3000, Leuven – Belgium, BE |
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| Abstract: | The concept of groundwater vulnerability is a useful tool for environmental planning and decision-making. Many different
methods have been developed for assessing this vulnerability. Hydrogeologists have failed to reach a consensus concerning
the definitions of and reference terms for groundwater vulnerability assessment. Therefore, a review of vulnerability assessment
and mapping methods providing a new classification system is necessary. This is focused on techniques that use the overlay
and index class methods. New research challenges in vulnerability assessment are identified, especially the need for developing
dynamic links between numerical models and overlay and index methods.
Received: 28 October 1998 · Accepted: 31 May 1999 |
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| Keywords: | Groundwater Vulnerability Overlay and index methods |
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