Comment on 'Streaming potential dependence on water-content in Fontainebleau sand' by V. Allègre, L. Jouniaux, F. Lehmann and P. Sailhac
Résumé
Allègre et al. recently presented new experimental data regarding the dependence of the streaming potential coupling coefficient with the saturation of the water phase. Such experiments are important to model the self-potential response associated with the flow of water in the vadose zone and the electroseismic/seismoelectric conversions in unsaturated porous media. However, the approach used to interpret the data is questionable and the conclusions reached by Allègre et al. likely incorrect.
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