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  • Publication
    Accès libre
    GIS Vector and Raster Database, Advanced Geostatistics and 3-D Groundwater Flow Modelling in Strongly Heterogeneous Geologic Media: An Integrated Approach
    ;
    Kimmeier, Francesco
    The aquifers of the RhĂ´ne valley in Switzerland are of great economic importance. The groundwaters are exploitable at slight costs. However, their situation make them specially vulnerable. The aim of this paper is to give a brief outlook on the methodology to build a very powerful three dimensional hydrogeological model. This model will be used by the community of Valais as a tool for the management and protection of the groundwater. ArcInfo [9] and ArcView [10] are employed as geographic information system and Oracle [15] and Access [1] as database management system on workstation and personal computer. The advanced geostatistical treatment of spatial basic data is carried out through several techniques (Surfer [17], Isatis [11] and ArcInfo). The 3-D hydrogeological mathematical model are based on the finite element method (Feflow [7] and FEN derived from FEM 301 [14]).