Large-scale GIS-based hydrogeological modeling of Flanders: a tool for groundwater management |
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| Authors: | Jan Cools Yves Meyus Solomon Tuccu Woldeamlak Okke Batelaan Florimond De Smedt |
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| Institution: | (1) Department of Hydrology and Hydraulic Engineering, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium;(2) Soresma, Poortakkerstraat 41, 9051 Ghent, Belgium |
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| Abstract: | For the implementation of the European Union Water Framework Directive (WFD), technological and scientific support are required. This paper presents a methodology to support a first step of the implementation of WFD, which is the delineation of groundwater bodies. The methodology consists of (1) the development of a complete and generally-accepted hydrogeological classification system for Flanders, named the HCOV code, (2) the development of a geographic information systems (GIS)-managed borehole database, and (3) the development of aquifer and aquitard models by means of a solid modeling approach. For each unit of the hydrogeological classification code for Flanders unit, GIS maps are generated for the three basic characteristics of hydrogeological layers: extent, base level and thickness, such that combined, the volume and extent of a hydrogeological layer is unambiguously defined. This GIS-based hydrogeological database has become a useful tool for groundwater management purposes and to provide the input for groundwater modeling. |
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| Keywords: | Hydrogeological modelling GIS borehole database Aquifer models Aquitard models Belgium |
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