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Keywords

Carbon Diversity Denitrification Management Agroecology Nitrous oxide N2O emissions Modelling Argentinean humid pampas N2O Runoff Greenhouse gas No-tillage Soil structure Miscanthus x giganteus Soil compaction Fertilization Agriculture Erosion Agricultural practices
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Researcher identifiers

Number of documents

62

Joël Léonard - Curriculum Vitae

Personal details

Permanent research scientist at INRAE (French National Research Institute for Agriculture, Food and Environment)

INRAE, BioEcoAgro Joint Research Unit

Pôle du Griffon,  180 rue Pierre-Gilles de Gennes, 02000 Barenton-Bugny, France

joel.leonard@inrae.fr

Sex Male | Date of birth 06/04/1971 | Nationality French

 

Profile

In the recent years my research activities focused on N2O emissions of alternative cropping systems as a function of agricultural practices and their modelling, leading for example the ADEME EFEMAIR project on that subject. I am also in charge of the development of the N2O emission module in the STICS model and I contributed with this model to an international model intercomparison exercise on N2O emissions and mitigation options simulation (Global Research Alliance on greenhouse gases, project FACCE-JPI CN-MIP). I also leaded a comprehensive evaluation study of the STICS model which was original both in the range of criteria used (accuracy, robustness, qualitative behaviour) and because it avoided any specific calibration before simulation to emulate model use by end users. Finally I am also in charge of an ICOS (Integrated Carbon Observatory System) station for arable crops which was recently labelled at the European level.

 

Education

 2000       PhD thesis, university Paris 6, speciality: “hydrology, hydrogeology, geostatistics and geochemistry”.

 1994      MSc in hydrology, University Montpellier 2.

 1992      BSc in physical geography.

 

Professional experience

 Current: Permanent research scientist at INRAE (since 2001), department AgroEcoSystem, research unit BioEcoAgro (of which I am deputy director). I formerly headed the AgroImpact unit, from 2013 to 2019.

Main research activities: runoff and soil erosion before 2006, soil structure evolution and modelling from 2006 to 2008, N2O emissions from arable cropping systems and their modelling, influence of management options, since 2009.

1997-2000: PhD student at IRD (french research institute for the development), Bondy, France, and University Paris 6, under the supervision of Dr E. Perrier and Pr G. de Marsily.

Research topic: quantification and modelling of the influence of macropores created by termites on water infiltration and runoff.

1996-1997: Contractual researcher position at IRD (Niamey, Niger), under the supervision of Dr J.L. Rajot.

Research topic: influence of mulching of bare crusted Sahelian soils on runoff and infiltration.

 

Journal articles29 documents

  • Renata Sandor, Fiona Ehrhardt, Peter Grace, Sylvie Recous, Pete Smith, et al.. Ensemble modelling of carbon fluxes in grasslands and croplands. Field Crops Research, Elsevier, 2020, ⟨10.1016/j.fcr.2020.107791⟩. ⟨hal-02905731⟩
  • Alexander Graf, Anne Klosterhalfen, Nicola Arriga, Christian Bernhofer, Heye Bogena, et al.. Altered energy partitioning across terrestrial ecosystems in the European drought year 2018. Philosophical Transactions of the Royal Society B: Biological Sciences, Royal Society, The, 2020, 375 (1810), pp.20190524. ⟨10.1098/rstb.2019.0524⟩. ⟨hal-03207504⟩
  • Fiona Ehrhardt, Jean-François Soussana, Gianni Bellocchi, Peter Grace, Russel Mcauliffe, et al.. Assessing uncertainties in crop and pasture ensemble model simulations of productivity and N2O emissions. Global Change Biology, Wiley, 2018, 24 (2), pp.e603-e616. ⟨10.1111/gcb.13965⟩. ⟨hal-02624255⟩
  • Lorenzo Brilli, Luca Bechini, Marco Bindi, Marco Carozzi, Daniele Cavalli, et al.. Review and analysis of strengths and weaknesses of agro-ecosystem models for simulating C and N fluxes. Science of the Total Environment, Elsevier, 2017, 598, pp.445-470. ⟨10.1016/j.scitotenv.2017.03.208⟩. ⟨hal-01537755⟩
  • M.C. Sasal, Hubert Boizard, A.E. Andriulo, M.G Wilson, Joël Léonard. Platy structure development under no-tillage in the northern humid pampas of Argentina and its impact on runoff. Soil and Tillage Research, Elsevier, 2016, 173, ⟨10.1016/j.still.2016.08.014⟩. ⟨hal-01602205⟩
  • M.C. Sasal, Joël Léonard, A. Andriulo, Hubert Boizard. A contribution to understanding the origin of platy structure in silty soils under no tillage. Soil and Tillage Research, Elsevier, 2016, 173, ⟨10.1016/j.still.2016.08.017⟩. ⟨hal-01602861⟩
  • Daniel Plaza Bonilla, Joël Léonard, Céline Peyrard, Bruno Mary, Eric Justes. Precipitation gradient and crop management affect N2O emissions: simulation of mitigation strategies in rainfed Mediterranean conditions. Agriculture, Ecosystems and Environment, Elsevier Masson, 2016, 238, pp.89-103. ⟨10.1016/j.agee.2016.06.003⟩. ⟨hal-01608585⟩
  • Valérie Coudrain, Mickael Hedde, Matthieu Chauvat, Pierre-Alain Maron, Emilie Bourgeois, et al.. Temporal differentiation of soil communities in response to arable crop management strategies. Agriculture, Ecosystems and Environment, Elsevier Masson, 2016, 225, pp.12-21. ⟨10.1016/j.agee.2016.03.029⟩. ⟨hal-02636359⟩
  • Céline Peyrard, Bruno Mary, Pierre Perrin, Grégory Vericel, Eric Gréhan, et al.. N2O emissions of low input cropping systems as affected by legume and cover crops use. Agriculture, Ecosystems and Environment, Elsevier Masson, 2016, 224, pp.145-156. ⟨10.1016/j.agee.2016.03.028⟩. ⟨hal-02640109⟩
  • Renata Sandor, Fiona Ehrhardt, Bruno Basso, Gianni Bellocchi, A. Bathia, et al.. C and N models Intercomparison – benchmark and ensemble model estimates for grassland production. Advances in Animal Biosciences, Cambridge University Press, 2016, 7 (3), pp.245-247. ⟨10.1017/S2040470016000297⟩. ⟨hal-01539466⟩
  • Luiz Domeignoz Horta, Aymé Spor, David Bru, Marie-Christine Breuil, Florian Bizouard, et al.. The diversity of the N2O reducers matters for the N2O:N-2 denitrification end-product ratio across an annual and a perennial cropping system. Frontiers in Microbiology, Frontiers Media, 2015, 6, ⟨10.3389/fmicb.2015.00971⟩. ⟨hal-02637767⟩
  • Elsa Coucheney, Samuel Buis, Marie Launay, Julie Constantin, Bruno Mary, et al.. Accuracy, robustness and behavior of the STICS soil–crop model for plant, water and nitrogen outputs: Evaluation over a wide range of agro-environmental conditions in France. Environmental Modelling and Software, Elsevier, 2015, 64, pp.177-190. ⟨10.1016/j.envsoft.2014.11.024⟩. ⟨hal-01132243⟩
  • Joël Léonard, Cécile Le Gall, Jean-Pierre Cohan, Pierre Cellier, Catherine Hénault. Itinéraire technique : Améliorer l'état physico-chimique du sol. Perspectives Agricoles, Arvalis, 2014, pp.60-62. ⟨hal-01019572⟩
  • Hubert Boizard, Sung Won Yoon, Joël Léonard, Sylvain Lheureux, Isabelle Cousin, et al.. Using a morphological approach to evaluate the effect of traffic and weather conditions on the structure of a loamy soil in reduced tillage. Soil and Tillage Research, Elsevier, 2013, 127 (SI), pp.34-44. ⟨10.1016/j.still.2012.04.007⟩. ⟨hal-01001317⟩
  • Catherine Hénault, Agnès Grossel, Bruno Mary, Magali Roussel, Joël Léonard. Nitrous oxide emission by agricultural soils: a review of spatial and temporal variability for mitigation. Pedosphere, Elsevier, 2012, 22 (4), pp.426-433. ⟨10.1016/S1002-0160(12)60029-0⟩. ⟨hal-02652485⟩
  • Gilles Valette, Stéphanie Prévost, Joël Léonard, Laurent Lucas. A virtual discrete rainfall simulator. Environmental Modelling and Software, Elsevier, 2012, 29 (1), pp.51 - 60. ⟨10.1016/j.envsoft.2011.10.003⟩. ⟨hal-01908099⟩
  • Jean Roger-Estrade, Vincent Adamiade, Dominique Arrouays, M. Bartoli, Edouard Baranger, et al.. Dégradation physique des sols agricoles et forestiers liée au tassement : principaux résultats du projet GESSOL ADD-DST. Etude et Gestion des Sols, Association Française pour l'Etude des Sols, 2011, 18 (3), pp.187-199. ⟨hal-02647836⟩
  • Cécile Bessou, Bruno Mary, Joël Léonard, Magali Roussel, Eric Gréhan, et al.. Modelling soil compaction impacts on nitrous oxide emissions in arable fields. European Journal of Soil Science, Wiley, 2010, 61 (3), pp.348-363. ⟨10.1111/j.1365-2389.2010.01243.x⟩. ⟨hal-01192154⟩
  • Gilles Valette, Stéphanie Prévost, Laurent Lucas, Joël Léonard. A Dynamic Model of Cracks Development Based on a 3D Discrete Shrinkage Volume Propagation. Computer Graphics Forum, Wiley, 2008, 27 (1), pp.47 - 62. ⟨10.1111/j.1467-8659.2007.01042.x⟩. ⟨hal-01908100⟩
  • Rafael Giménez, Joël Léonard, Yves Duval, Guy Richard, Gerard Govers. Effect of bed topography on soil aggregates transport by rill flow. Earth Surface Processes and Landforms, Wiley, 2007, 32 (4), pp.602-611. ⟨10.1002/esp.1418⟩. ⟨hal-02668268⟩
  • G. Gyssels, J. Poesen, A. Knapen, W. van Dessel, Joël Léonard. Effects of double drilling of small grains on soil erosion by concentrated flow and crop yield. Soil and Tillage Research, Elsevier, 2007, 93 (2), pp.379-390. ⟨10.1016/j.still.2006.05.014⟩. ⟨hal-02667558⟩
  • Aude Gallardo-Carrera, Joël Léonard, Yves Duval, Carolyne Durr. Effects of seedbed structure and water content at sowing on the development of soil surface crusting under rainfall. Soil and Tillage Research, Elsevier, 2007, 95 (1-2), pp.207-217. ⟨10.1016/j.still.2007.01.001⟩. ⟨hal-02663403⟩
  • Gilles Valette, Stéphanie Prévost, Laurent Lucas, Joël Léonard. SoDA project: A simulation of soil surface degradation by rainfall. Computers and Graphics, Elsevier, 2006, 30 (4), pp.494 - 506. ⟨10.1016/j.cag.2006.03.016⟩. ⟨hal-01908097⟩
  • Joël Léonard, O. Ancelin, Bruno Ludwig, Guy Richard. Analysis of the dynamics of soil infiltrability of agricultural soils from continuous rainfall-runoff measurements on small plots. Journal of Hydrology, Elsevier, 2006, 326 (1-4), pp.122-134. ⟨10.1016/j.jhydrol.2005.10.026⟩. ⟨hal-02659733⟩
  • Yves Le Bissonnais, Joël Daroussin, Marcel Jamagne, J.J. Lambert, Christine Le Bas, et al.. Pan-European soil crusting and erodibility assessment from the European Soil Geographical Database using pedotransfer rules. Advances in Environmental Modelling and Monitoring, 2005, 2 (1), pp.1-15. ⟨hal-02681127⟩
  • Joël Léonard, Guy Richard. Estimation of runoff critical shear stress for soil erosion from soil shear strength. CATENA, Elsevier, 2004, 57 (3), pp.233-249. ⟨10.1016/j.catena.2003.11.007⟩. ⟨hal-02682863⟩
  • Joël Léonard, E. Perrier, J.L. Rajot. Biological macropores effect on runoff and infiltration: a combined experimental and modelling approach. Agriculture, Ecosystems and Environment, Elsevier Masson, 2004, 104 (2), pp.277-285. ⟨10.1016/j.agee.2003.11.015⟩. ⟨hal-02679502⟩
  • Leonard Joel, Michel Mietton, Hamid Najib, Gourbesville Philippe. Rating curve modelling with Manning’s equation to manage instability and improve extrapolation (Leysse River, Chambéry, France). Hydrological Sciences Journal. Hydrological Sciences Journal, Taylor & Francis, 2000, 45 (5), pp.739-750. ⟨hal-01121779⟩
  • J. Léonard, Patrick Andrieux. Infiltration characteristics of soils in Mediterranean vineyards in Southern France. CATENA, Elsevier, 1998, 32, pp.209-223. ⟨hal-02693228⟩

Conference papers24 documents

  • Nicolas Beaudoin, Dominique Ripoche, L. Strullu, Bruno Mary, Marie Launay, et al.. Conceptual basis, formalisations and parameterization of the STICS crop model, second edition. iCROPM2020 Symposium - Crop Modelling for The Future, Feb 2020, Montpellier, France. 73 p. ⟨hal-02737983⟩
  • Gilles Billen, Josette Garnier, Julia Le Noë, Nicolas Gallois, Pascal Viennot, et al.. Trajectoires du système agro-alimentaire du bassin de la Seine : passé, présent, futur.. 30ème colloque du programme PIREN Seine, Dec 2019, Paris, France. ⟨hal-02404818⟩
  • Luiz A. Domeignoz-Horta, Laurent Philippot, Céline Peyrard, David Bru, Marie-Christine Breuil, et al.. Peaks of in situ N2O emissions are influenced by N2O producing and reducing microbial communities across arable soils. Landscape 2018 – Frontiers of agricultural landscape research, Mar 2018, Berlin, Germany. ⟨hal-02736194⟩
  • Renata Sandor, Fiona Ehrhardt, Bruno Basso, Gianni Bellocchi, Arti Bhatia, et al.. A multi-model assessment of C cycling and soil C sequestration in grasslands and croplands. 6th International Symposium on Soil Organic Matter ; Harpenden (Royaume Uni), Sep 2017, Harpenden, United Kingdom. pp.2. ⟨hal-01644043⟩
  • Valérie Coudrain, Mickael Hedde, Matthieu Chauvat, Pierre-Alain Maron, Emilie Bourgeois, et al.. Temporal differentiation of soil biota communities and of trophic networks in response to arable crop management strategies. Sfécologie-2016, International Conference of Ecological Sciences, Société Française d'Ecologie (SFE). FRA., Oct 2016, Marseille, France. ⟨hal-01602967⟩
  • Céline Peyrard, Fabien Ferchaud, Bruno Mary, Eric Gréhan, Joël Léonard. Management practices of Miscanthus x giganteus strongly influence soil properties and N2O emissions. 19. Nitrogen Workshop. Efficient use of different sources of nitrogen in agriculture - from theory to practice, Jun 2016, Skara, Sweden. ⟨hal-01604040⟩
  • Eric Justes, Daniel Plaza Bonilla, Laurent Bedoussac, André Gavaland, Etienne-Pascal Journet, et al.. Synthesis on the effects of grain legume insertion and cereal-grain legume intercrops in low input cropping systems in Southern France. 2. International Legume Society Conference (ILS2), Oct 2016, Troia, Portugal. 358 p. ⟨hal-02743300⟩
  • Céline Peyrard, Fabien Ferchaud, Bruno Mary, Joël Léonard. Combining a field experiment and modelling to understand the effect of management practices on N2O emissions in Miscanthus x giganteus. 14. European Society of Agronomy Conference 2016-ESA14, Sep 2016, Edinburgh, United Kingdom. ⟨hal-01605784⟩
  • Luiz Domeignoz Horta, Aymé Spor, David Bru, Marie-Christine Breuil, Florian Bizouard, et al.. Mitigation of N2O emissions in agroecosystems: the role of N2O-reducers. 16. International Symposium on Microbial Ecology - ISME16, Aug 2016, Montreal, Canada. ⟨hal-01603655⟩
  • Luiz Domeignoz-Horta, Aymé Spor, David Bru, Marie-Christine Breuil, Florian Bizouard, et al.. Diversity of N2O reducers matters for the relative proportion of N2O emitted across cropping systems by denitrification. 5. Journée des Doctorants de l’UMR 1347 Agroécologie, Institut National de la Recherche Agronomique (INRA). FRA., Mar 2016, Dijon, France. ⟨hal-02794452⟩
  • Renata Sándor, F. Ehrhardt, Bruno Basso, A. Bathia, Gianni Bellocchi, et al.. Global Research Alliance on agricultural greenhouse gases - benchmark and ensemble crop and grassland model estimates. MACSUR Conference "Modelling Grassland-Livestock Systems under Climate Change", Jun 2016, Potsdam, Germany. ⟨hal-01602914⟩
  • Joël Amossé, Valerie Coudrain, Michel Bertrand, Nicolas Brunet, Hubert Boizard, et al.. Les organismes du sol comme indicateurs du fonctionnement des sols en grandes cultures. 12èmes Rencontres COMIFER-GEMAS, Nov 2015, Lyon, France. 2 p. ⟨hal-02743696⟩
  • Sylvie Recous, Joël Amossé, Valérie Coudrain, Joël Léonard, Michel Bertrand, et al.. Dynamics of changes in the soil organic matter, functional diversity and C and N fluxes after shift in agricultural practices of an annual crops rotation under conventional agriculture. 5th International Symposium on Soil Organic Matter 2015, Sep 2015, Göttingen, Germany. ⟨hal-02796797⟩
  • Luiz Domeignoz Horta, Aymé Spor, David Bru, Marie-Christine Breuil, Florian Bizouard, et al.. The diversity of the N2O reducers matters for the relative proportion of N2O emitted across cropping systems by denitrification. 20th European Nitrogen Cycle Meeting, ENC2015 Conference, University of Aberdeen. GBR., Sep 2015, Aberdeen, United Kingdom. 65 p. ⟨hal-02743401⟩
  • María Carolina Sasal, Joël Léonard, Adrian Enrique Andriulo, M.G. Wilson, Hubert Boizard. Contribution of the "cultural profile" method to assess surface platy structure development under no-tillage in the argentinean humid pampas. Soil structural quality of tropical soils: Visual evaluation methods and soil compaction prevention strategies. ISTRO Working Groups F and B, Visual Soil Examination and Evaluation (VSEE) and Subsoil Compaction (SC) joint meeting, May 2014, Maringá, Paraná, Brazil. ⟨hal-02792511⟩
  • Céline Peyrard, Eric Justes, Bruno Mary, Grégory Vericel, Eric Gréhan, et al.. N2O Emissions in low input cropping systems aiming at environmental impacts reduction in the south of France. 13. ESA (European Society for Agronomy) congress, Aug 2014, Debrecen, Hungary. 510 p. ⟨hal-02740224⟩
  • Fiona Ehrhardt, Jean-François Soussana, Gianni Bellocchi, A. Bhatia, L. Brilli, et al.. An international inter-comparison and benchmarking of crop and pasture models simulating GHG emissions and removals at field scale. 7th International symposium on Non-CO2 Greenhouse Gases (NCGG7), Nov 2014, Amsterdam, Netherlands. ⟨hal-02794819⟩
  • María Carolina Sasal, Joël Léonard, Adrian Enrique Andriulo, M. Wilson. The impact of soil structure on runoff and nitrogen and phosphorous losses in the Argentinean Pampas. EGU General Assembly 2013, Apr 2013, Vienna, Austria. ⟨hal-02803425⟩
  • María Carolina Sasal, Adrian Enrique Andriulo, Joël Léonard, M.G Wilson. El estado estructural como indicador de calidad de suelo bajo siembra directa. XIX Congreso Latinoamericano De La Ciencia Del Suelo, Apr 2012, Mar del Plata, Argentina. ⟨hal-02805849⟩
  • María Carolina Sasal, Joël Léonard, Adrian Enrique Andriulo, M.G. Wilson. Agriculturization in the argentinean northern humid pampas: the impact on soil structure and runoff. EGU General Assembly 2012, Apr 2012, Vienna, Austria. ⟨hal-02803427⟩
  • E. Coucheney, Marie Launay, S. Buis, Dominique Ripoche, B. Mary, et al.. Proposition d’une évaluation globale du modèle Stics. IXe séminaire STICS, Oct 2012, Sainte-Montaine, France. ⟨hal-01336093⟩
  • Hubert Boizard, Sylvain Lheureux, Joël Léonard, Isabelle Cousin, Jean Roger-Estrade, et al.. Evolution de la structure d’un sol limoneux en fonction des systèmes de culture : caractérisation et analyse de l’intensité de sa fissuration. 9. Journées Nationales de l'Etude des Sols, Apr 2007, Angers, France. ⟨hal-01173236⟩
  • A.V. Auzet, Jean Albergel, B. Ali, Patrick Andrieux, R. Armand, et al.. Rides : ruissellement, infiltration, dynamique des états de surface du sol et transfert des sédiments. 1. Colloque de restitution scientifique, Dec 2005, Toulouse, France. pp.6. ⟨hal-02763011⟩
  • Patrick Andrieux, J. Léonard, G. Maniere, Helene Fonta, T. Bourgeois. Runoff measurement methodology on vineyard plots in the mediterranean region. 15. World congress of soil science, Jul 1994, Acapulco, Mexico. ⟨hal-02775502⟩

Poster communications5 documents

  • Daniel Plaza Bonilla, Joël Léonard, Céline Peyrard, Pierre Perrin, Bruno Mary, et al.. Simulating N2 O emissions using the stics soil-crop model in low-input cropping systems in sw France. 19. Nitrogen workshop, Jun 2016, Skara, Switzerland. 464 p., 2016, Efficient use of different sources of nitrogen in agriculture - from theory to practice. ⟨hal-01602868⟩
  • Samuel Buis, Elsa Coucheney, Marie Launay, Patrice Lecharpentier, Bruno Mary, et al.. Multicriteria evaluation of the stics soil-crop model and implementation of an automated evaluation system. iCROPM 2016 International Crop Modelling Symposium "Crop Modelling for Agriculture and Food Security under Global Change", Mar 2016, Berlin, Germany. 441 p., 2016, International Crop Modelling Symposium "Crop Modelling for Agriculture and Food Security under Global Change" 2016. ⟨hal-01607915⟩
  • Nicolas Beaudoin, Samuel Buis, Dominique Ripoche, Eric Justes, Patrick Bertuzzi, et al.. STICS: a generic and robust soil-crop model for modelling agrosystems response in various climatic conditions. Climate-Smart Agriculture 2015 : Global Science Conference, Mar 2015, Montpellier, France. 226 p., 2015, Parallel session L3. Towards Climate-smart Solutions. ⟨hal-02741475⟩
  • María Carolina Sasal, Joël Léonard, Adrian Enrique Andriulo. Role of the underlying massive soil structure on surface platy structure development under no-tillage in silty soils of the argentinean humid pampas. 19. ISTRO Conference, Sep 2012, Montevideo, Uruguay. 2012. ⟨hal-02803341⟩
  • María Carolina Sasal, Adrian Enrique Andriulo, Joël Léonard. Is platy soil structure development in the argentinean humid pampas related to traffic and crop residue management?. 19. ISTRO Conference, Sep 2012, Montevideo, Uruguay. 2012. ⟨hal-02805619⟩

Book sections2 documents

  • Gilles Billen, Josette Garnier, Julia Le Noë, Pascal Viennot, Nicolas Gallois, et al.. The Seine watershed water-agro-food system: long-term trajectories of C, N, P metabolism. Flipo N., Labadie P., Lestel L. The Seine River basin, Springer, 2020, Handbook of environmental chemistry, ⟨10.1007/698_2019_393⟩. ⟨hal-02404947⟩
  • Joël Léonard, Yves Le Bissonnais, Patrick Andrieux, Frédéric Darboux. L'érosion, un acteur majeur de la dégradation des sols et de l'environnement. Le dossier SOL, Editions Quae, 184 p., 2009, INRA Mensuel. Les Dossiers. ⟨hal-02824649⟩

Directions of work or proceedings1 document

  • Nicolas Beaudoin, Samuel Buis, Eric Justes, Dominique Ripoche, Patrick Bertuzzi, et al.. Actes du XIe séminaire des utilisateurs de Stics. 11. séminaire des utilisateurs de Stics, Oct 2017, La Rochelle, France. 99 p., 2017. ⟨hal-02791711⟩

Preprints, Working Papers, ...1 document

  • Joël Léonard. Nitrification, denitrification and N2O emissions in STICS. 2016. ⟨hal-02305546⟩