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Dealing with spatial heterogeneity

de Marsily, Gh. ; Delay, F. ; Gonçalvès, J. ; Renard, Philippe ; Teles, V. ; Violette, S.

In: Hydrogeology Journal, 2005, vol. 13, no. 1, p. 161-183

Heterogeneity can be dealt with by defining homogeneous equivalent properties, known as averaging, or by trying to describe the spatial variability of the rock properties from geologic observations and local measurements. The techniques available for these descriptions are mostly continuous Geostatistical models, or discontinuous facies models such as the Boolean, Indicator or Gaussian-Threshold...