Articles | Volume 20, issue 4
Hydrol. Earth Syst. Sci., 20, 1319–1330, 2016
https://doi.org/10.5194/hess-20-1319-2016
Hydrol. Earth Syst. Sci., 20, 1319–1330, 2016
https://doi.org/10.5194/hess-20-1319-2016
Research article
05 Apr 2016
Research article | 05 Apr 2016

On the validity of effective formulations for transport through heterogeneous porous media

Jean-Raynald de Dreuzy and Jesus Carrera

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Latest update: 27 Jan 2023
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Short summary
Geological heterogeneity enhances spreading of solutes and causes transport to be anomalous with much less mixing and reactivity than suggested by dispersion. We propose formal criteria that should be met by effective transport formalisms to represent advection, spreading and mixing. While relevant for dispersion in heterogeneous porous media, mobile–immobile exchange models induce lower but more sustained resistance to mixing.