Upscaling of solute transport in mildly heterogeneous media. Comparison of Fickian and non-Fickian approaches

Frippiat, Christophe;Holeyman, Alain
(2006) Calibration and Reliability in Groundwater Modelling : from uncertainty to decision making — ISBN: [1-901502-58-9], p. 167-173, published

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  • Frippiat, ChristopheUCLouvain
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  • Holeyman, AlainUCLouvain
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Abstract
Non-Fickian solute transport models were investigated in the case of mildly heterogeneous porous media using a synthetic two-dimensional In(K) field, generated randomly. Transport was fully solved using MT3D and exhibited scale-dependence. Monte Carlo simulations were used to quantify uncertainty in the absence of a priori data. Then, inverse and direct modelling using the continuous time random walk approach and the fractional advection-dispersion equation were performed in order to assess the upscaling capacities of these models. A sensitive improvement could be observed compared to the classical advection-dispersion model.
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Frippiat, C., & Holeyman, A. (2006). Upscaling of solute transport in mildly heterogeneous media. Comparison of Fickian and non-Fickian approaches. In Bierkens et al. (ed.), Calibration and Reliability in Groundwater Modelling : from uncertainty to decision making (p. p. 167-173). https://hdl.handle.net/2078.5/158103