3-D geological modelling of the Egebjerg area, Denmark, based on hydrogeophysical data

Flemming Jørgensen, Rasmus Rønde Møller, Peter B.E. Sandersen, Lars Nebel

Publikation: Bidrag til tidsskriftArtikelForskningpeer review


Contamination of groundwater with pesticides and nitrate has compelled the Danish Government to launch a major hydrogeological mapping programme covering about 40% of the land area of Denmark. Numerous geophysical surveys are currently being carried out in order to acquire the necessary data. These new data are crucial for the 3-D geological models that are used in the planning of future water supply and landuse. Normally, site-specific groundwater protection zones (Thomsen et al. 2004) are based on groundwater modelled catchment areas for each well, but proper 3-D geological models are needed in order to create a valid basis for the groundwater models. Since most of the Danish nearsurface geology is complex, a full geological understanding is required combined with in-depth interpretation of geological and geophysical data. Much research has dealt with geophysical mapping and numerical groundwater modelling, but only limited research has combined these topics for geological modelling. Prior to geophysical mapping, groundwater models were based on simple data extraction from well databases without inclusion of geophysical data. In the following, a concept for detailed 3-D geological modelling with hydrogeophysical data is presented for a specific area.
Sider (fra-til)27–30
Antal sider4
TidsskriftGeological Survey of Denmark and Greenland Bulletin
StatusUdgivet - 7 jul. 2010


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