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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Abbreviations
- WFD:
-
Water Framework Directive
- CIS:
-
Common Implementation Strategy of WFD
- GIS:
-
Geographic information systems
- HCOV:
-
Hydrogeological classification code for Flanders
- IRBD:
-
International River Basin District
- AMINAL:
-
Environmental Authority for Flanders
- EU:
-
European Union
- DEM:
-
Digital elevation model
- FGM:
-
Flemish groundwater model
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Acknowledgements
This research is financed by the Flemish Administration, Department Water, Environment and Nature (AMINAL). Furthermore, we acknowledge all institutes and companies that collected, shared, interpreted, and digitized the (hydro)geological data. Likewise, the Belgian experts of the steering committee are acknowledged for their valuable remarks.
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Cools, J., Meyus, Y., Woldeamlak, S.T. et al. Large-scale GIS-based hydrogeological modeling of Flanders: a tool for groundwater management. Environ Geol 50, 1201–1209 (2006). https://doi.org/10.1007/s00254-006-0292-3
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DOI: https://doi.org/10.1007/s00254-006-0292-3