Title: Derivation of flow and transport parameters from outcropping sediments of the Neogene aquifer, Belgium
Authors: Rogiers, Bart ×
Beerten, Koen
Smeekens, Tuur
Mallants, Dirk
Gedeon, Matej
Huysmans, Marijke
Batelaan, Okke
Dassargues, Alain #
Issue Date: 2013
Publisher: Université de Liège
Series Title: Geologica Belgica vol:16 issue:3 pages:129-147
Abstract: Centimetre-scale saturated hydraulic conductivities (K) are derived from air permeability measurements on a selection of outcrops of the Neogene aquifer in the Campine area, Belgium. Outcrop sediments are of Miocene to Quaternary age and have a marine to continental origin. Grain size analyses for the same outcrops and corresponding K predictions using previously developed models are also presented. We discuss outcrop hydrogeological properties and quantify the heterogeneity within the outcrops in detail using geostatistical variography. Moreover, outcrop-scale K values, their anisotropy and dispersivities are numerically calculated as a means to upscale such small-scale measurements to a larger scale commensurate with the scale of flow and transport modelling. By studying the small-scale variability as observed in outcrops, we gain crucial understanding of the larger-scale behaviour of the corresponding hydrogeological units within the Neogene aquifer, the most important groundwater reservoir of Flanders. The results of this study will equally improve conceptual hydrogeological model building and parameterization.
ISSN: 1374-8505
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Geology
× corresponding author
# (joint) last author

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