Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés

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Laboratoire d'Ecologie des Hydrosystèmes
Naturels et Anthropisés

Ingénieur TPE ENTPE

Enseignant chercheur : IPE
Responsable : Chimie des polluants

ENTPE, Ecole Nationale des Travaux Publics de l'Etat
Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés
3, Rue Maurice Audin
F-69518 Vaulx-en-Velin Cedex France

(+33) 04 72 04 70 57 (+33) 04 72 04 77 43

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  • Laurent’s research interests are water and solute transfer through the vadose zone (unsaturated zone in soils). His main research focuses are water infiltration at soil surface; water and pollutant transfer through porous media; coupling hydraulic processes with geochemical interactions pollutants/solid particles; and impacts of preferential flows on both water infiltration and pollutant transfer in the vadose zone. His experimental approaches are conducted at both the macro-scale (batch, column experiments, and in situ water infiltration experiments) and micro-scale (Scanning Electron Microscopy-SEM, X-ray Computer Assisted Tomography - CAT). He also uses numerical and analytical modeling to simulate the experimental results in order to identify the mechanisms responsible for water and solute transfers. In collaboration with the Laboratoire d’études des Transferts en Hydrologie et Environnement (LTHE) and with Dr Rafael Angulo-Jaramillo (LEHNA), he developed the Beerkan Estimation of Soil Transfer Parameters (BEST) method to estimate soil hydraulic properties from water infiltration experiments.

    Research Significant

    Laurent’s research activities deal with: (i) understanding and modeling water infiltration at the surface of soils in both cases of uniform and preferential flows along with designing algorithms for soil hydraulic characterization, (ii) studying the effect of preferential flow on the main physical and geochemical mechanisms responsible for pollutant transfer.

    Water infiltration at surface of homogeneous and heterogeneous soils

    Laurent has established the BEST method to facilitate the determination of both the water retention curve, θ(h), and the hydraulic conductivity curve, K(θ), using water infiltration experiments through a disc source and under null pressure head at surface. BEST appears to be a promising, easy, robust, and inexpensive method to characterize the hydraulic behavior of soil. The BEST algorithm has been adopted by many researchers to characterize soils at the field scale (Fodor et al., 2011; Touma et al., 2011; Bagarello et al., 2011; Yilmaz et al., 2011 -A11; Lassabatere et al., 2010 -A12; Cannavo et al., 2010 -A16), as well as at watersheds scale, (Gonzalez – Sosa et al., 2010 -A15). The BEST derived parameters can be used for the numerical prediction of flow in the unsaturated zone, and were applied to model the effects of sediment settlement on water pounding in infiltration basins (Lassabatere et al., 2010 -A12; Cannavo et al., 2010 -A16), to provide a useful tool in decision framework on the monitoring of infiltration basins.

    BEST is based on the short and long time simplified expansions of the implicit analytical model developed by Haverkamp et al. (1994), which are the basis of most algorithms related to soil hydraulic characterization. This model was obtained through the analytical resolution of Richards equation for the specific case of water infiltration through a disc source at null pressure head and assuming an initial uniform water content profile (Haverkamp et al., 1994; Ross and Smettem, 2000). The application of the analytical model and its related simplified expansions need to be validated against experimental and numerical data as suggested by Ross and Smettem (2000). Through numerical and analytical calculations, Laurent identified that the analytical model could be considered as accurate, provided its related shape parameters were chosen in function to type of soil (Lassabatere et al., 2009 -A10; Lassabatere et al., 2010 -P16). Furthermore, he detailed the validity intervals for the simplified expansions (Lassabatere et al., 2009 -A10); which is valuable regarding the treatment of water infiltration experiments. Latterly, analytical and numerical inverse modeling procedures were compared with regards the hydraulic characterization of a specific material (Yilmaz et al., 2010 -A23).

    In addition, Laurent and his team have studied water infiltration in favorable to preferential flow (heterogeneous soils) conditions using numerical and analytical approach. The main research focus was on a dual permeability model which assumes both fast flow in the fracture subdomain and slow flow in the matrix subdomain, with water and solute exchange between the two subdomains (Gerke and van Genuchten, 1993). The numerical studies suggested that water infiltration at the surface of dual permeability soils was not affected by the water exchange rate between the two subdomains, whereas wetting fronts were significantly affected (Lassabatere et al., 2009 -P14). Typically, water infiltration at surface depends mainly on the soil global conductance rather than properties of each subdomain. On the basis of these findings, a novel analytical model was proposed for water infiltration in dual permeability soils and was applied to determine the influence of the hydraulic parameters of the fracture subdomain and of the hydric conditions (Peyrard et al., 2010 -P15; Lassabatere et al., 2010 - A20). The results showed that the fracture subdomain enhances the most water infiltration when positive pressure is applied at surface. In addition, the fracture saturated hydraulic conductivity is found as the parameter that favors the most water enhancement. Further investigations will focus on the validation of the model using experimental data and on the design of methodologies and algorithms for the hydraulic characterization of heterogeneous materials.

    Impact of preferential flow on solute and colloid transfer

    Laurent and his team have conducted studies on the solute transfer using conventional experimental devices (columns and batch experiments, lysimeters, etc.), microanalysis methods (SEM, microscopy, X-ray CAT) and numerical modeling. Several materials (agricultural soil, sediments, fluvio-glacial deposits) were selected to represent real soils whereas model porous media including Hostun sand, artificial porous gravel and artificial steel macropores were used in order to control the macroporosity geometry. This design aims at determining the link between microstructure (geometry of pores) and transfer properties. The role of macroporosity was investigated in function to the saturation state (saturated versus unsaturated conditions). Last but not least, the stratification of porous media was investigated through the embedment of a lower hydraulic conductivity layer (dry geotextile).

    Briefly, the main results sustain the following assumptions.

    For flow: (i) the macropores enhance flow under water pressure conditions, i.e. saturated conditions (Lamy et al., 2009 -A9, A14), (ii) preferential flow develops within the macropores and a part of the surrounding matrix (Lamy et al., 2009 -A9), (iii) the dual permeability model is not accurate since it does not simulate such a spilling out (Lamy et al., 2009 -A9), (iv) the embedment of the layer cuts off preferential flow pathways and redirects flow to the matrix itself, leading to the homogenization of flow (Lassabatere et al., 2004 -A2, Lamy et al., 2009 -A9).

    For solute transfer: (i) flow homogeneity favors pollutant retention through increasing pollutant access to adsorption / retention sites and contact time, (ii) the stratification of the media improves the retention through homogenizing the flow. These results are validated for most retention mechanisms and pollutants, like heavy metals in a fluvio-glacial deposit (Lassabatere et al., 2004 -A2; Lassabatere et al., 2007 -A6) or in roadside soil (Hanna et al., 2009 -A8), organic acids in hemated coated sand (Hanna et al., 2010 -A13) and colloids in sandy or gravelous porous media (Lamy et al., 2009 -A9; Lamy et al. 2010 - A14).

    Further investigations are being conducted to advantage the description of flow and solute transfer processes at the REV (Reference Elementary Volume) scale. Advanced microanalysis technologies such as SEM or X-ray CAT are conducted to enhance the understanding of preferential flow pathways and geochemical retention mechanisms (Lassabatere et al., 2007, -A6). Particularly, X-ray CAT has recently proved as an efficient tool to examine water and solute flow pathways at the REV scale (Lassabatere et al., 2011 -P21).


    Bagarello V., Di Prima S., Iovino M., Provenzano G., Sgroi A. 2011. Testing different approaches to characterize Burundian soils by the BEST procedure. Geoderma, 162, 141-150.

    Gerke H.H., van Genuchten, M.Th. 1993. A dual-porosity model for simulating the preferential movement of water and solutes in structured porous media. Water Resources Research, 29, 305-319.

    Haverkamp R., Ross P.J., Smetten K.R.J., Parlange J.Y.. 1994. Three dimensional analysis of infiltration from disc infiltrometer. 2. Physically based infiltration equation. Water Resources Research, 30, 2931-2935.

    Fodor N., Sandor R., Orfanus T., Lichner L., Rajkai K. 2011. Evaluation method dependency of measured saturated hydraulic conductivity. Geoderma, 165, 60-68.

    Ross P.J., Smettem K.R.J. 2000. A simple treatment of physical nonequilibrium water flow in soils. Soil Science Society of America Journal, 64, 1926–1930.

    Touma J., Raclot, D., Al-Ali Y., Zante P., Hamrouni H., Dridi B. 2011. In situ determination of the soil surface crust hydraulic resistance. Journal of Hydrology, 403, 253-260.

  • Laurent Lassabatere has a PhD degree (2002) at Laval University (Quebec, Canada) and Institut National des Sciences Appliquées (INSA) Lyon with a research project “The modification of the transfer of three heavy metals (Zn, Cd and Pb) in a calcareous fluvio-glacial deposit through the use of geotextiles”. He completed a Master Degree (1998) at the University Lyon 1 majoring in Analysis and Modeling Biological System with a research project “The influence on geotextile on biofilm development and the zinc transfer trough a fluvio-glacial deposit” and a Diploma of Civil Engineering at Ecole Nationale des Travaux Publics de l’Etat Engineering School (ENTPE). Laurent has worked as a research fellow at the French Institute of Sciences and Technology for Transport, Development and Networks (IFSTTAR) from 2004 to 2010 prior joining the Laboratoire d’Ecologie des Hydrosystèmes Naturels et Anthropisés (LEHNA) at the ENTPE in September 2010. Laurent is a course coordinator teaching environmental chemistry subjects at ENTPE (120 students) and has supervised 6 MSc students, 4 PhD students and 2 Postdoctoral research fellows.

  • Sous Presse Lassabatere L., Spadini L., Rapsaet C., Février L., Delolme C., Galvez-Cloutier R., Winiarski T. Modélisation du transfert de trois métaux Zn, Pb, et Cd dans un dépôt fluvio-glaciaire carbonaté. Bulletin de liaison des Ponts et Chaussées.

    Sous Presse Lassabatere, L., Angulo-Jaramillo, R., Peyrard, X., Simunek, J. Analytical model for the cumulative infiltration into dual-permeability soils. Vadose Zone Journal.

    2016 Prédelus ,D., Coutinho, A.P., Lassabatere, L., Bien, L.B., Winiarski, T., Angulo-Jaramillo, R., 2016 - Combined effect of capillary barrier and layered slope on water, solute and nanoparticle transfer in an unsaturated soil at lysimeter scale. Journal of Contaminant Hydrology 181 : 69–81.

    2015 Ben Slimene, E., Lassabatere, L., Winiarski, T., Gourdon, R., 2015 - Modeling water infiltration and solute transfer in a heterogeneous vadose zone as a function of entering flow rates. Journal of Water Resource and Protection, 2015, 7 : 1017-1028.

    2015 Gette-Bouvarot, M., Volatier, L., Lassabatère, L., Lemoine, D., Simon, L., Delolme, C., Mermillod-Blondin, F., 2015 - Ecological engineering approaches to improve hydraulic properties of infiltration basins designed for groundwater recharge. Environmental Science & Technology, 49 : 9936−9944.

    2014 Gette-Bouvarot, M., Mermillod-Blondin, F., Angulo-Jaramillo, R., Delolme, C., Lemoine, D., Lassabatere, L., Loizeau, S., Volatier, L., 2014 - Coupling hydraulic and biological measurements highlights the key influence of algal biofilm on infiltration basin performance. Ecohydrology, 7(3) : 950-964.

    2014 Prédelus, D., Lassabatère, L., Coutinho, A.P., Louis, C., Brichat, T., Ben Slimene, E., Winiarski T., Angulo-Jaramillo, R., 2014 - Tracing water flow and colloidal particles transfer in an unsaturated soil. Journal of Water Ressources and Protection, 6 : 696-709.

    2013 Bien, L.B., Predelus, D., Lassabatere, L., Winiarski, T., Angulo-Jaramillo, R., 2013 - Combined Effect of Infiltration, Capillary Barrier and Sloping Layered Soil on Flow and Solute Transfer in a Heterogeneous Lysimeter. Open Journal of Modern Hydrology, 3 : 138-153.

    2013 Goutaland, D., Winiarski, T., Lassabatere, L., Dubé, J.-S., Angulo-Jaramillo, A., 2013 - Sedimentary and hydraulic characterization of a heterogeneous glaciofluvial deposit: Application to the modeling of unsaturated flow. Engineering Geology, 166, 127-139.

    2013 Lamy, E., Lassabatere, L., Bechet, B., Andrieu, H., 2013 - Effect of a nonwoven geotextile on solute and colloid transport in porous media under both saturated and unsaturated conditions. Geotextiles and Geomembranes 36 : 55-65.

    2013 Lassabatere, L., Pu, J. H., Bonakdari, H., Joannis, C., Larrarte, F. 2013 - Velocity Distribution in Open Channel Flows: Analytical Approach for the Outer Region. Journal of Hydraulic Engineering 139 (1), 37-43.

    2013 Pollaco, J., Nasta, P., Soria-Ulgade, J. M., Angulo-Jaramillo, A., Lassabatere, L., Romano, N., Mohanty, B.P. 2013 - Reduction of feasible parameter space of the inverted soil hydraulic parameter sets for Kosugi model. Soil Science, 178 (6), 267-280.

    2013 Winiarski, T., Lassabatere, L., Angulo-Jaramillo, R., Goutaland, D., 2013 - Characterization of the Heterogeneous Flow and Pollutant Transfer in the Unsaturated Zone in the Fluvio-glacial Deposit. Four Decades of Progress in Monitoring and Modeling of Processes in the Soil-Plant- Atmosphere System: Applications and Challenges. Procedia Environmental Sciences, 19, 955–964.

    2013 Yilmaz, D., Lassabatere, L., Deneele, D., Angulo-Jaramillo, R., Legret M. 2013 - Influence of carbonation on the microstructure and the hydraulic properties of a Basic Oxygen Furnace slag as a potential alternative construction material. Vadose Zone Journal, 12 (2) : 1-15.

    2012 Hanna, K., Lassabatere, L., Bechet, B., 2012 - Transport of two naphthoic acids and salicylic acid in soil: Experimental study and empirical modeling. Water Research, 46 : 4457-4467.

    2012 Nasta, P., Lassabatere, L., Kandelous, M.M., Simunek, J., Angulo-Jaramillo, R., 2012 - Analysis of the role of tortuosity and infiltration constants in the beerkan method. Soil Science Society of America Journal, 76 : 1999–2005.


    Pu J.H., Bonakdari H., Lassabatere L., Joannis C., Larrarte F. 2010. Turbulent velocity profiles : a new law for narrow channels. La Houille Blanche, 3, 65-70.

    Cannavo P., Vidal-Beaudet L., Béchet B., Lassabatere L., Charpentier S. 2010. Spatial distribution of sediments and transfer properties in soils in a stormwater infiltration basin. Journal of Soils and Sediments, 10, 1499-1509.

    Gonzalez-Sosa E., Braud I., Dehotin J., Lassabatere L., Angulo-Jaramillo R., Lagouy M., Branger F., Jacqueminet C., Kermadi S., Michel K. 2.010. Impact of land use on the hydraulic properties of the topsoil in a small French catchment. Hydrological Processes, 24, 2382-2399.

    Lamy E., Lassabatere L., Bechet B., Andrieu H. 2010. Flow and colloidal transfer in a dual porosity medium. La Houille Blanche, 2, 86-92.

    Hanna K., Rusch B., Lassabatere L., Hofmann A., Humbert B. 2010. Reactive transport of gentisic acid in a hematite-coated sand column: Experimental study and modeling. Geochimica et Cosmochimica Acta, 74, 3351-3366.

    Lassabatere L., Angulo-Jaramillo R., Goutaland D., Letellier L., Gaudet J. P., Winiarski T., Delolme C. 2010. Effect of the settlement of sediments on water infiltration in two urban infiltration basins. Geoderma, 156, 316-325.

    Yilmaz D., Lassabatere L., Angulo R., Legret M. 2010. Hydrodynamic characterization of BOF slags through adapted BEST method. Vadoze Zone Journal, 9, 107-116.


    Lassabatere L., Angulo-Jaramillo R., Soria Ugalde J.M., Simunek J., Haverkamp R.. 2009. Analytical and numerical modeling of water infiltration experiments. Water resources research, 45, W12415.

    Lamy E., Lassabatere L., Bechet B., Andrieu H. 2009. Modeling the influence of an artificial macropore in sandy columns on flow and transfer. Journal of Hydrology, 376, 392-402.

    Hanna K., Lassabatere L., Bechet B. 2009. Zinc and lead transfer in a contaminated roadside soil: Experimental study and modeling. Journal of Hazardous Material, 161, 1499–1505.


    Bonakdari H., Larrarte F., Lassabatere L., Joannis C. 2008. Turbulent velocity profile in fully-developed open channel flows. Environmental Fluid Mechanics, 8, 1573-1510.


    Lassabatere L., Spadini L., Delolme C., Février L., Galvez Cloutier R., Winiarski T. 2007. Concomitant Zn - Cd and Pb retention in a carbonated fluvio-glacial deposit under both static and dynamic conditions. Chemosphere, 69, 1499-1508.


    Lassabatere L., Angulo-Jaramillo R., Soria Ugalde J. M., Cuenca R., Braud I., Haverkamp, R. 2006. Beerkan Estimation of Soil Transfer parameters through infiltration experiments – BEST. Soil Science Society of America Journal, 70, 521-532.

    Bedell J.-P., Briant A., Delolme C., Lassabatere L., Perrodin Y. 2006. Evaluation of the phytotoxicity of contaminated sediments deposited “on soil”: II. Impact of water draining from deposits on the development and physiological status of neighbouring plants at growth stage. Chemosphere, 62 , 1311-1323.


    Lassabatere L., Winiarski, T., Galvez Cloutier, R. 2005. Can geotextiles modify the transfer of heavy metals transported by stormwater in infiltration basins? Water Science and Technology, 51, 29-36.


    Lassabatere L., Winiarski T., Galvez Cloutier R. 2004. Retention of three heavy metals (Zn, Pb and Cd) in a calcareous soil controlled by the modification of flow with geotextiles. Environmental Science and Technology, 38, 4215-4221.


    Lassabatere L., Winiarski, T., Galvez Cloutier, R. 2002. Transfer of Heavy Metals in a Soil Amended with Geotextiles. In: Evaluation and Remediation of Low Permeability and Dual Porosity Environments, ASTM STP 1415, M.N. Sara and L.G. Everett, Eds., ASTM International, West Conshohocken, PA, 162-175.

  • Conference proceedings (Peer-reviewed)

    Lassabatere L., Lenoir T., Peyneau P.-E., Lamy E., Bechet B., Angulo Jaramillo R. 2011. Enlightening the enhancement of water velocity in the surroundings of macropores. American Geophysical Union, USA, 5-9th December, San Francisco, California, USA (poster).

    Lassabatere L., Lamy E., Bechet B., Galvez Cloutier R., Winiarski T. Use of geotextiles to regulate flow and reduce pollutant transfer in stormwater management. 9th International Congress on Civil Engineering, May 8-10, 2012 Isfahan University of Technology, Isfahan, Iran (not yet decided).

    Lassabatere L., Angulo-Jaramillo R., Yilmaz D., Peyneau P.-E., Nasta P., Šimůnek J. 2011. Analytical evaluation of 1D cumulative infiltration with regards to soil hydraulic properties. European Geosciences Union, 4th-7th April 2011 Vienna, Austria (poster).

    Hanna K., Bechet B., Lassabatere L., Usman M., Ruby C. 2010. Transport of naphthoic acids in metal-contaminated soil columns: Experimental study and modeling approach. Congress on Soil Science, Brisbane, 1st - 6th August (poster).

    Yilmaz D., Lassabatere L., Angulo-Jaramillo R., Legret M. 2010. Hydrodynamic characterization of BOF slags through numerical inversion of evaporation experiment and through water infiltration experiments: a comparison. Congress on Soil Science, Brisbane, 1st-6th August (poster).

    Lassabatere L., Yilmaz D., Angulo-Jaramillo R., Soria Ugalde J.M., Braud I., Šimůnek J. 2010. Numerical evaluation of inverse modelling methods for 1D and 3D water infiltration experiments. Congress on Soil Science, Brisbane, 1st - 6th August (poster).

    Peyrard X., Lassabatere L., Angulo-Jaramillo R., Simunek J. Analytical model for the cumulative infiltration into a dual-permeability media. European Geosciences Union, Vienna, Austria, 2nd-7th May 2010 (poster).

    Lassabatere L., Peyrard X., Angulo-Jaramillo R., Simunek J. 2009. Effects of the hydraulic conductivity of the matrix/macropore interface on cumulative infiltrations into dual-permeability media. American Geophysical Union, Fall Meeting, San Francisco, 14th-18th December 2009, EOS Transactions AGU: in CD, p. H31A-0764 (poster).

    Lassabatere L., Spadini L., Février L., Raepsaet C., Delolme C., Winiarski T. 2009. Studying and modelling the unusual fixation law Zn = Cd << Pb in a calcareous fluvio-glacial deposit. International conference on the Biochemistry of trace elements, 14th-18th July 2009 (oral, cancelled).

    Lassabatere L., Angulo-Jaramillo R., Haverkamp R. 2009. Estimation for validity times for the usual transient two-term infiltration and steady-state infiltration equations. Estimation, European Geophysical Union, Vienna, (poster).

    Lamy E., Lassabatere L., Bechet B., Andrieu H. 2008. Flow and solute transport in heterogeneous media: influence of structure and hydric conditions. Internbational Groundwater Symposium, IAH, Istanbul, 18th -20th June (poster).

    Lamy E., Lassabatere L., Bechet B. 2008. Influence of porous media heterogeneity on flow and pollutant transfer in infiltration basin sub-soils, International Conference on Urban Drainage, Edinburgh, Scotland, UK, 31st August- 4th September (oral).

    Lassabatere L., Angulo-Jaramillo R., Haverkamp R. 2008. Numerical modelling of Beerkan infiltration tests and related estimation of unsaturated soil hydraulic properties, European Geophysical Union, Vienna (poster).

    Angulo-Jaramillo R., Cazalets H., Goutaland D., Lassabatere L., Winiarski T., Delolme C. 2007. Three-dimensional modelling of water flow through a heterogeneous vadose zone. American Geophysical Union, Fall Meeting, 10th-14th December, San Francisco (poster).

    Lassabatere L., Angulo Jaramillo, R., Delolme, C. 2007. Hydraulic characterization of settled sediment layer and subsoil in an urban infiltration basin, Novatech, Lyon, 25th-28th June, Lyon (oral).

    Lassabatere L., Février L., Spadini L., Delolme C., Raepsaet C. 2007. Zn - Cd common retention in the presence of Pb in a calcareous fluvio-glacial deposit: experiments, modelling and microanalysis, International conference on the Biochemistry of trace elements, Beijing China, 17th-19th July (oral).

    Lassabatere L., Angulo Jaramillo, R., Delolme, C. 2006. Hydraulic characterization of settled sediment layer and subsoil in an urban infiltration basin, Novatech, 25th-28th June, Lyon (oral).

    Goutaland D., Winiarski T., Lassabatere L., Angulo Jaramillo R., Dubé J.S. 2006. Unsaturated hydrodynamic parameters estimation of fluvioglacial lithofacies, European Geophysical Union, Vienne, 2nd-7th April, (poster).

    Lassabatere L., Février L., Spadini L., Delolme C., Winiarski T., Galvez Cloutier R., Raepsaet C., Gallien J. P. 2005. Microscopic observation of a common Zn - Cd phase formed in the presence of Pb in a calcareous fluvio-glacial deposit. International conference on the Biochemistry of trace elements, April 3rd-7th, Adelaide (oral).

    Lassabatere L., Winiarski, T. and Galvez Cloutier, R. 2004. Use of geotextiles in infiltration basins ? Effect of geotextiles on heavy metal transfer in a fluvio-glacial deposit extracted from an infiltration basin. Novatech, Lyon (oral).

    Lassabatere L., Winiarski, T. and Galvez Cloutier, R. 2001. Transfer of Heavy Metals in a Soil Amended with Geotextiles Evaluation and Remediation of Low Permeability and Dual Porosity Environments, Reno, Nevada, USA, Jan 25th 2001 (oral).
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Site de Vaulx-en-Velin
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