Article (Scientific journals)
Physically Based Groundwater Vulnerability Assessment Using Sensitivity Analysis Methods
Beaujean, Jean; Lemieux, Jean-Michel; Dassargues, Alain et al.
2013In Ground Water, 52 (6), p. 864-874
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Keywords :
Vulnerability; Sensitivity; physically-based; DPSIR; groundwater
Abstract :
[en] A general physically based method is presented to assess the vulnerability of groundwater to external pressures by numerical simulation of groundwater flow. The concept of groundwater vulnerability assessment considered here is based on the calculation of sensitivity coefficients for a user-defined groundwater state for which we propose several physically based indicators. Two sensitivity analysis methods are presented: the sensitivity equation method and the adjoint operator method. We show how careful selection of a method can significantly minimize the computational effort. An illustration of the general methodology is presented for the Herten aquifer analog (Germany). This application to a simple, yet insightful, case demonstrates the potential use of this general and physically based vulnerability assessment method to complex aquifers.
Research center :
Aquapôle - ULiège
Disciplines :
Geological, petroleum & mining engineering
Author, co-author :
Beaujean, Jean ;  Université de Liège - ULiège > Département ArGEnCo > Géophysique appliquée
Lemieux, Jean-Michel;  Universit Laval > Département de Géologie et de Génie Géologique > Professeur adjoit
Dassargues, Alain  ;  Université de Liège - ULiège > Département ArGEnCo > Hydrogéologie & Géologie de l'environnement
Therrien, René;  Université Laval > Département de Géologie et de Génie Géologique > Directeur
Brouyère, Serge  ;  Université de Liège - ULiège > Département ArGEnCo > Hydrogéologie & Géologie de l'environnement
Language :
English
Title :
Physically Based Groundwater Vulnerability Assessment Using Sensitivity Analysis Methods
Publication date :
14 November 2013
Journal title :
Ground Water
ISSN :
0017-467X
eISSN :
1745-6584
Publisher :
Blackwell Publishing, Malden, United States - Massachusetts
Volume :
52
Issue :
6
Pages :
864-874
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
European Union FP6 STREP number 518118-1 GABARDINE
Funders :
UE - Union Européenne [BE]
ULiège - Université de Liège [BE]
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since 15 November 2013

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