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Accueil > Annuaire du LHyGeS

LEHMANN François

Professor - UdS

publié le , mis à jour le


Contact : lehmann@unistra.fr
Phone : +33 (0)3 68 85 05 04
Address : 1, rue Blessig 67084 Strasbourg Cedex
(bureau 126)

Team member Transfers in continental hydrosystems - TrHyCo

Research Activity

- Development of robust models for describing flow through unsaturated porous media

- Hydrodynamic parameter estimation by inverse approach

- Implementation of laboratory experiments to improve knowledge on transfer processes and verify the numerical tools developed for parameters identification

Publications

Benjamin Belfort, Ivan Toloni, Philippe Ackerer, Solenn Cotel, Daniel Viville and François Lehmann, 2018. Vadose Zone Modeling in a Small Forested Catchment : Impact of Water Pressure Head Sampling Frequency on 1D-Model Calibration. Geosciences 8(2), 72 ; https://doi.org/10.3390/geosciences8020072

Anis Younes, Jabran Zaouali, François Lehmann, and Marwan Fahs, 2018. Sensitivity and identifiability of hydraulic and geophysical parameters from streaming potential signals in unsaturated porous media. Hydrol. Earth Syst. Sci., 22, 3561-3574, https://doi.org/10.5194/hess-22-3561-2018.

Benjamin Belfort, Sylvain Weill, François Lehmann, 2017. Image analysis method for the measurement of water saturation in a two-dimensional experimental flow tank. Journal of Hydrology (550)343–354.

Ivan Toloni, François Lehmann, Philippe Ackerer, 2016. Modeling the effects of water content on TiO2 nanoparticles transport in porous media. Journal of Contaminant Hydrology (191)76-87.

Mara T.A., Delay F., Lehmann F., Younes A. 2016
A comparison of Two Bayesian approaches for uncertainty quantification. Environmental Modelling & Software (82)21–30, doi:10.1016/j.envsoft.2016.04.010

K. Seki, Ph. Ackerer, F. Lehmann, 2015.
Sequential estimation of hydraulic parameters in layered soil using limited data. Geoderma (247-248)117-128.

V. Allègre, L. Jouniaux, F. Lehmann, P. Sailhac and R. Toussaint, 2015.
Influence of water pressure dynamics and fluid flow on the streaming-potential response for unsaturated conditions. Geophysical Prospecting (63-3)694-712.

Ivan Toloni, François Lehmann, Philippe Ackerer, 2014.
Modeling the effects of water velocity on TiO2 nanoparticles transport in saturated porous media. Journal of Contaminant Hydrology, 171(15)42-48.

Allègre, V., Maineult, A., Lehmann, F., Lopes, F., Zamora, M., 2014.
Self-potential response to drainage-imbibition cycles. Geophysical Journal International, 197(3)1410-1424.

Belfort, B., Younes, A., Fahs, M. & Lehmann, F. 2013.
On equivalent hydraulic conductivity for oscillation-free solutions of Richard’s equation.
Journal of Hydrology, vol. 505, pp. 202-217.

Younes, A., Mara, T.A., Fajraoui, N., Lehmann, F., Belfort, B. & Beydoun, H. 2013.
Use of global sensitivity analysis to help assess unsaturated soil hydraulic parameters.
Vadose Zone Journal, vol. 12, no. 1.

Loyaux-Lawniczak, S., Lehmann, F. & Ackerer, P. 2012.
Acid/base front propagation in saturated porous media : 2D laboratory experiments and modeling.
Journal of contaminant hydrology, vol. 138-139, pp. 15-21.

V. Allègre, F. Lehmann, P. Ackerer, L. Jouniaux, P. Sailhac, 2012. A 1-D modelling of streaming potential dependence on water content during drainage experiment in sand. Geophysical Journal International DOI : 10.1111/j.1365-246X.2012.05371.xV.

V. Allègre, L. Jouniaux, F. Lehmann and P. Sailhac, 2011. Reply to comment by A. Revil and N. Linde on ‘Streaming potential dependence on water-content in Fontainebleau sand’. Geophysical Journal International, 186(1)115-117.

Bnouni C, J. Sghaier, H. Sammouda, F. Lehmann, 2010. Parameter estimation of soil hydraulic functions for unsaturated porous media using an inverse problem and multistep outflow experiment. Journal of Porous Media, 13(8)691-706.

V. Allègre, L. Jouniaux, F. Lehmann and P. Sailhac, 2010. Streaming potential dependence on water-content in Fontainebleau sand. Geophysical Journal International 182(3)1248-1266.

Teaching Activity

Solid Mechanics, Materials Resistance, Fluid Mechanics, Thermal, Python at the IUT Louis Pasteur of Strasbourg and lab of Hydraulics and tutorials in Hydrogeology at Ecole Nationale du Génie de l’Eau et de l’Environnement of Strasbourg