Latest Entries

  • July 5, 2011

Paper: Direct Multiple-Point Geostatistical Simulation of Edge Properties for Modeling Thin Irregularly Shaped Surfaces

Abstract Thin, irregularly shaped surfaces such as clay drapes often have a major control on flow and transport in heterogeneous porous media. Clay drapes are often complex, curvilinear three-dimensional surfaces and display a very complex spatial distribution. Variogram-based stochastic approaches are also often not able to describe the spatial distribution of clay drapes since complex, [...]

  • December 25, 2009

Project overview: Application of “multiple-point” geostatistics on modeling groundwater flow and transport in heterogeneous environments with complex geological structures

Introduction: State-of-the-art in characterizing heterogeneity in complex geological environments Sedimentological and erosional processes often result in a complex three-dimensional subsurface architecture of sedimentary structures and facies types. Such complex sedimentological heterogeneity may induce a highly heterogeneous spatial distribution of hydrogeological parameter values in porous media at different scales (Klingbeil et al. 1999) and may consequently [...]

  • December 5, 2009

Paper: Application of multiple-point geostatistics on modelling groundwater flow and transport in a cross-bedded aquifer (Belgium)

Abstract Sedimentological processes often result in complex three-dimensional subsurface heterogeneity of hydrogeological parameter values. Variogram-based stochastic approaches are often not able to describe heterogeneity in such complex geological environments. This work shows how multiple-point geostatistics can be applied in a realistic hydrogeological application to determine the impact of complex geological heterogeneity on groundwater flow and [...]

  • December 5, 2009

Paper: Relating small-scale sedimentary structures and permeability in a cross-bedded aquifer

Abstract The objective of this study is to investigate the relation between small-scale sedimentary structures and permeability in the Brussels Sands formation, an early Middle-Eocene shallow marine sand deposit in Central Belgium that constitutes a major groundwater source in the region. A field campaign was carried out consisting of field observations of the sedimentary structures [...]

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