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GWEN: integrated water-supply and nature development plan for the Belgian west-coast hydrogeologic aspects focusing on the Lenspolder
Walraevens, K.; Martens, K.; Coetsiers, M.; Van Camp, M. (2002). GWEN: integrated water-supply and nature development plan for the Belgian west-coast hydrogeologic aspects focusing on the Lenspolder, in: Boekelman, R.H. et al. (Ed.) Proceedings SWIM17 Delft 2002: Proceedings of the 17th Salt Water Intrusion Meeting, Delft 6-10 May 2002. pp. 469-479
In: Boekelman, R.H. et al. (Ed.) (2002). Proceedings SWIM17 Delft 2002: Proceedings of the 17th Salt Water Intrusion Meeting, Delft 6-10 May 2002. Delft University of Technology: Delft. ISBN 90-800089-8-2. 499 pp., more

Available in Authors 
    VLIZ: Open Repository 99825 [ OMA ]
Document type: Conference paper

Keywords
    Water management; Water supply; Belgium, Belgian Coast [Marine Regions]; Brackish water; Fresh water

Authors  Top 
  • Walraevens, K., more
  • Martens, K., more
  • Coetsiers, M.
  • Van Camp, M., more

Abstract
    The GWEN-project deals with the development of an integrated water supply and nature development plan for the Belgian West-Coast, near the French border. The issue of water supply for the region is coupled to the recovery of the ecohydrological system. The point of departure has to be the government's policy to restore the dunes ecohydrological system, by the closure of the exploitation of natural groundwater in the dunes. Alternatives focusing at two areas, the Covered Mudflats and the Lenspolder, have to be proposed and evaluated. This paper deals with the results of the investigation for the Lenspolder. Multicriteria analyses (MCAs) were performed for the proposed exploitation alternatives, with the purpose of weighting the hydrogeological and economical objectives against the ecological impact. The optimal compromise is the one for which the outcomes of the separate hydrogeological and ecological MCAs are balanced. For the Lenspolder, it turned out that the proposed alternatives for water exploitation were less favourable than the present or near future situation.

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