Physics – Fluid Dynamics
Scientific paper
2011-08-28
Ground Water (2009), Vol. 47, No. 1, (pages 13-24)
Physics
Fluid Dynamics
12 pages, 9 figures
Scientific paper
10.1111/j.1745-6584.2008.00489.x
Integrating geological concepts, such as relative positions and proportions of the different lithofacies, is of highest importance in order to render realistic geological patterns. The truncated plurigaussian simulation method provides a way of using both local and conceptual geological information to infer the distributions of the facies and then those of hydraulic parameters. The method (Le Loc'h and Galli 1994) is based on the idea of truncating at least two underlying multi-Gaussian simulations in order to create maps of categorical variable. In this manuscript we show how this technique can be used to assess contaminant migration in highly heterogeneous media. We illustrate its application on the biggest contaminated site of Switzerland. It consists of a contaminant plume located in the lower fresh water Molasse on the western Swiss Plateau. The highly heterogeneous character of this formation calls for efficient stochastic methods in order to characterize transport processes.
Cornaton Fabien
Jaquet Olivier
Mariethoz Grégroire
Renard Philippe
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