2023 Habilitation à Diriger des recherches de l’Université de Toulouse 3. Modélisation numérique de la neige : la fin du déterminisme ? https://hal.science/tel-04130109 2021 – aujourd’hui Responsable de l’équipe Modélisation Nivo-Météorologique 2012-2020 Chercheur en modélisation numérique de la neige, CNRM, Centre d\’Etudes de la Neige, Grenoble 2008-2011 Thèse de doctorat au Laboratoire d’Etude des Transferts en Hydrologie et Environnement, Grenoble : Changement climatique et régime hydrologique d’un bassin alpin. Génération de scénarios sur la Haute-Durance, méthodologie d’évaluation et incertitudes associées 2005-2008 Diplôme d’Ingénieur de l’Ecole Nationale de la Météorologie, Toulouse. 2003-2005 Prévisionniste à l’Unité MEDIAS de Météo-France pour les grands médias nationaux, Paris 2001-2003 Diplôme de Technicien Supérieur d’Exploitation de la météorologie, Ecole Nationale de la Météorologie, Toulouse.
Recherche en modélisation numérique de la neige : Projet de mise en place du système EDELWEISS de simulation d’ensemble du manteau neigeux à haute résolution et avec assimilation d’observations satellites sur tous les massifs français Développements numériques du modèle SURFEX-Crocus incluant une approche multiphysiques Utilisation de prévisions météorologiques d’ensemble et d’algorithmes d’ensemble d’assimilation de données Application à la prévision du risque d’avalanches, l’hydrologie en milieu alpin, les projections climatiques de l’enneigement Déploiement et maintien opérationnel de la chaîne S2M (SAFRAN-SURFEX-MEPRA), en support aux activités opérationnelles de Météo-France en termes de prévision du risque d’avalanche, et de la réanalyse S2M associée (1958-2025).
Responsable de l’équipe Modélisation nivo-météorologique du Centre d\’Etude de la Neige Encadrement de post-doctorants (3), doctorants (6), stagiaires (14).
Articles en discussion Vionnet, V., Leroux, N. R., Fortin, V., Abrahamowicz, M., Woolley, G., Mazzotti, G., Gaillard, M., Lafaysse, M., Royer, A., Domine, F., Gauthier, N., Rutter, N., Derksen, C., and Bélair, S. : Enhancing simulations of snowpack properties in land surface models with the Soil, Vegetation and Snow scheme v2.0 (SVS2), EGUsphere [preprint], https://doi.org/10.5194/egusphere-2025-3396, 2025. Roussel, L., Dumont, M., Réveillet, M., Six, D., Kneib, M., Nabat, P., Fourteau, K., Monteiro, D., Gascoin, S., Thibert, E., Rabatel, A., Sicart, J.-E., Bonnefoy, M., Piard, L., Laarman, O., Jourdain, B., Fructus, M., Vernay, M., and Lafaysse, M. : Saharan dust impacts on the surface mass balance of Argentière Glacier (French Alps), EGUsphere [preprint], https://doi.org/10.5194/egusphere-2025-1741, 2025. Publications avec comité de lecture 2025 Barrou Dumont, Z., Gascoin, S., Inglada, J., Dietz, A., Köhler, J., Lafaysse, M., Monteiro, D., Carmagnola, C., Bayle, A., Dedieu, J.-P., Hagolle, O., and Choler, P. : Trends in the annual snow melt-out day over the French Alps and Pyrenees from 38 years of high-resolution satellite data (1986–2023), The Cryosphere, 19, 2407–2429, https://doi.org/10.5194/tc-19-2407-2025, 2025. Vernay, M., Lafaysse, M., and Augros, C. : Radar-based high-resolution ensemble precipitation analyses over the French Alps, Atmos. Meas. Tech., 18, 1731–1755, https://doi.org/10.5194/amt-18-1731-2025, 2025. Gaillard, M., Vionnet, V., Lafaysse, M., Dumont, M., and Ginoux, P. : Improving large-scale snow albedo modeling using a climatology of light-absorbing particle deposition, The Cryosphere, 19, 769–792, https://doi.org/10.5194/tc-19-769-2025, 2025. 2024 Woolley, G. J., Rutter, N., Wake, L., Vionnet, V., Derksen, C., Essery, R., Marsh, P., Tutton, R., Walker, B., Lafaysse, M., and Pritchard, D. : Multi-physics ensemble modelling of Arctic tundra snowpack properties, The Cryosphere, 18, 5685–5711, https://doi.org/10.5194/tc-18-5685-2024, 2024. Monteiro, D., Caillaud, C., Lafaysse, M., Napoly, A., Fructus, M., Alias, A., and Morin, S. : Improvements in the land surface configuration to better simulate seasonal snow cover in the European Alps with the CNRM-AROME (cycle 46) convection-permitting regional climate model, Geosci. Model Dev., 17, 7645–7677, https://doi.org/10.5194/gmd-17-7645-2024, 2024. Mazzotti, G., Nousu, J.-P., Vionnet, V., Jonas, T., Nheili, R., and Lafaysse, M. : Exploring the potential of forest snow modeling at the tree and snowpack layer scale, The Cryosphere, 18, 4607–4632, https://doi.org/10.5194/tc-18-4607-2024, 2024. Roussel, L., Dumont, M., Gascoin, S., Monteiro, D., Bavay, M., Nabat, P., Ezzedine, J.A., Fructus, M., Lafaysse, M., Morin, S. and Maréchal, E. : Snowmelt duration controls red algal blooms in the snow of the European Alps. Proceedings of the National Academy of Sciences, 121(41), p.e2400362121. https://doi.org/10.1073/pnas.2400362121, 2024. Haddjeri, A., Baron, M., Lafaysse, M., Le Toumelin, L., Deschamps-Berger, C., Vionnet, V., Gascoin, S., Vernay, M., and Dumont, M. : Analyzing the sensitivity of a blowing snow model (SnowPappus) to precipitation forcing, blowing snow, and spatial resolution, The Cryosphere, 18, 3081–3116, https://doi.org/10.5194/tc-18-3081-2024, 2024. Baron, M., Haddjeri, A., Lafaysse, M., Le Toumelin, L., Vionnet, V., and Fructus, M. : SnowPappus v1.0, a blowing-snow model for large-scale applications of the Crocus snow scheme, Geosci. Model Dev., 17, 1297–1326, https://doi.org/10.5194/gmd-17-1297-2024, 2024. Nousu, J.-P., Lafaysse, M., Mazzotti, G., Ala-aho, P., Marttila, H., Cluzet, B., Aurela, M., Lohila, A., Kolari, P., Boone, A., Fructus, M., and Launiainen, S. : Modeling snowpack dynamics and surface energy budget in boreal and subarctic peatlands and forests, The Cryosphere, 18, 231–263, https://doi.org/10.5194/tc-18-231-2024, 2024. 2023 Dick, O., Viallon-Galinier, L., Tuzet, F., Hagenmuller, P., Fructus, M., Reuter, B., Lafaysse, M., and Dumont, M. : Can Saharan dust deposition impact snowpack stability in the French Alps ?, The Cryosphere, 17, 1755–1773, https://doi.org/10.5194/tc-17-1755-2023, 2023. 2022 Gouttevin, I., Vionnet, V., Seity, Y., Boone, A., Lafaysse, M., Deliot, Y., Merzisen, H., To the Origin of a Wintertime Screen-level Temperature Bias at High Altitude in a Kilometric NWP Model. Journal of Hydrometeorology, 24, 53-71, https://doi.org/10.1175/JHM-D-21-0200.1, 2022. Vionnet, V., Verville, M., Fortin, V., Brugman, M., Abrahamowicz, M., Lemay, F., Thériaut, J.M, Lafaysse, M., Milbrandt, J.A. Snow level from post-processing of atmospheric model improves snowfall estimate and snowpack prediction in mountains. Water Resources Research, 58, e2021WR031778. https://doi.org/10.1029/2021WR031778 , 2022. Réveillet, M., Dumont, M., Gascoin, S., Lafaysse, M., Nabat, P., Ribes, A., Nheili, R., Ménégoz, M., Morin, S., Picard, G. and P. Ginoux, Black carbon and dust alter the response of mountain snow cover under climate change. Nat. Commun. 13, 5279, https://doi.org/10.1038/s41467-022-32501-y , 2022. Lackner, G., Domine, F., Nadeau, D. F., Lafaysse, M., and Dumont, M. : Snow properties at the forest–tundra ecotone : predominance of water vapor fluxes even in deep, moderately cold snowpacks, The Cryosphere, 16, 3357–3373, https://doi.org/10.5194/tc-16-3357-2022 , 2022. Monteiro, D., Caillaud, C., Samacoïts, R., Lafaysse, M., & Morin, S. Potential and limitations of convection-permitting CNRM-AROME climate modelling in the French Alps. International Journal of Climatology, 1– 24. https://doi.org/10.1002/joc.7637 , 2022 Vernay, M., Lafaysse, M., Monteiro, D., Hagenmuller, P., Nheili, R., Samacoïts, R., Verfaillie, D., and Morin, S. : The S2M meteorological and snow cover reanalysis over the French mountainous areas : description and evaluation (1958–2021), Earth Syst. Sci. Data, 14, 1707–1733, https://doi.org/10.5194/essd-14-1707-2022 , 2022. Cluzet, B., Lafaysse, M., Deschamps-Berger, C., Vernay, M., and Dumont, M. : Propagating information from snow observations with CrocO ensemble data assimilation system : a 10-years case study over a snow depth observation network, The Cryosphere, 16, 1281–1298, https://doi.org/10.5194/tc-16-1281-2022 , 2022 Deschamps-Berger, C., Cluzet, B., Dumont, M., Lafaysse, M., Berthier, E., Fanise, P., & Gascoin, S. Improving the spatial distribution of snow cover simulations by assimilation of satellite stereoscopic imagery. Water Resources Research, 58, e2021WR030271. https://doi.org/10.1029/2021WR030271 , 2022 Lackner, G., Domine, F., Nadeau, D. F., Parent, A.-C., Anctil, F., Lafaysse, M., and Dumont, M. : On the energy budget of a low-Arctic snowpack, The Cryosphere, 16, 127–142, https://doi.org/10.5194/tc-16-127-2022 , 2022. 2021 Revuelto, J., Cluzet, B., Duran, N., Fructus, M., Lafaysse, M., Cosme, E., Dumont, M., Assimilation of surface reflectance in snow simulations : impact on bulk snow variables, Journal of Hydrology, doi : https://doi.org/10.1016/j.jhydrol.2021.126966, 2021. Evin, G., Lafaysse, M., Taillardat, M., and Zamo, M. : Calibrated ensemble forecasts of the height of new snow using quantile regression forests and ensemble model output statistics, Nonlin. Processes Geophys., 28, 467–480, https://doi.org/10.5194/npg-28-467-2021, 2021. Cluzet, B., Lafaysse, M., Cosme, E., Albergel, C., Meunier, L.-F., and Dumont, M. : CrocO_v1.0 : a particle filter to assimilate snowpack observations in a spatialised framework, Geosci. Model Dev., 14, 1595–1614, https://doi.org/10.5194/gmd-14-1595-2021, 2021 Morin, S., Samacoïts, R., François, H., Carmagnola, C., Abegg, B., Demiroglu, O., Pons, M., Soubeyroux, J.-M., Lafaysse, M., Franklin, S., Griffiths, G., Kite, D., Hoppler, A., George, E., Buontempo, C., Almond, S., Dubois, G., Cauchy, A., Pan-European meteorological and snow indicators of climate change impact on ski tourism, Climate Services, 22, 100215, https://doi.org/10.1016/j.cliser.2021.100215, 2021. Menard, C. B., Essery, R., Krinner, G., Arduini, G., Bartlett, P., Boone, A., Brutel-Vuilmet, C., Burke, E., Cuntz, M., Dai, Y., Decharme, B., Dutra, E., Fang, X., Fierz, C., Gusev, Y., Hagemann, S., Haverd, V., Kim, H., Lafaysse, M., Marke, T., Nasonova, O., Nitta, T., Niwano, M., Pomeroy, J., Schädler, G., Semenov, V. A., Smirnova, T., Strasser, U., Swenson, S., Turkov, D., Wever, N., & Yuan, H. Scientific and Human Errors in a Snow Model Intercomparison, Bulletin of the American Meteorological Society, 102(1), E61-E79, https://doi.org/10.1175/BAMS-D-19-0329.1, 2021. 2020 Tuzet, F., Dumont, M., Picard, G., Lamare, M., Voisin, D., Nabat, P., Lafaysse, M. , Larue, F., Revuelto, J., and Arnaud, L. : Quantification of the radiative impact of light-absorbing particles during two contrasted snow seasons at Col du Lautaret (2058 m a.s.l., French Alps), The Cryosphere, 14, 4553–4579, https://doi.org/10.5194/tc-14-4553-2020, Viallon-Galinier, L., Hagenmuller, P., Lafaysse, M. Forcing and evaluating detailed snow cover models with stratigraphy observations, Cold Regions Science and Technology, 180, 103163, https://doi.org/10.1016/j.coldregions.2020.103163 , 2020. Essery, R., Kim, H., Wang, L., Bartlett, P., Boone, A., Brutel-Vuilmet, C., Burke, E., Cuntz, M., Decharme, B., Dutra, E., Fang, X., Gusev, Y., Hagemann, S., Haverd, V., Kontu, A., Krinner, G., Lafaysse, M., Lejeune, Y., Marke, T., Marks, D., Marty, C., Menard, C. B., Nasonova, O., Nitta, T., Pomeroy, J., Schaedler, G., Semenov, V., Smirnova, T., Swenson, S., Turkov, D., Wever, N., and Yuan, H. : Snow cover duration trends observed at sites and predicted by multiple models, The Cryosphere, 14, 4687–4698, https://doi.org/10.5194/tc-14-4687-2020, 2020. López-Moreno, J.I, Soubeyroux J.M., Gascoin, S., Durán-Gómez, N., Alonso-Gonzalez, Lafaysse, M., Vernay, M., Carmagnola, C, Morin, S., Long term trends (1958-2017) in snow cover duration and depth in the Pyrenees, International Journal of Climatology, 40, 6122 – 6136, https://doi.org/10.1002/joc.6571, 2020. Dumont, M., Tuzet, F., Gascoin, S., Picard, G., Kutuzov, S., Lafaysse, M., Cluzet, B., Nheili, R. and Painter T.H. (2020). Accelerated snow melt in the Russian Caucasus mountains after the Saharan dust outbreak in March 2018. Journal of Geophysical Research : Earth Surface, 125, e2020JF005641. https://doi.org/10.1029/2020JF005641 Largeron C., Dumont M., Morin S., Boone A., Lafaysse, M., Metref S., Cosme E., Jonas T., Winstral A. and Margulis S.A., Toward Snow Cover Estimation in Mountainous Areas Using Modern Data Assimilation Methods : A Review. Front. Earth Sci. 8:325. https://doi.org/10.3389/feart.2020.00325, 2020. Le Moigne, P., Besson, F., Martin, E., Boé, J., Boone, A., Decharme, B., Etchevers, P., Faroux, S., Habets, F., Lafaysse, M., Leroux, D., and Rousset-Regimbeau, F. : The latest improvements with SURFEX v8.0 of the Safran–Isba–Modcou hydrometeorological model for France, Geosci. Model Dev., 13, 3925–3946, https://doi.org/10.5194/gmd-13-3925-2020, 2020. Cluzet, B., Revuelto, J., Lafaysse, M., Tuzet, F., Cosme, E., Picard, G., Arnaud, L., and Dumont, M., Dumont, Towards the assimilation of satellite reflectance into semi-distributed ensemble snowpack simulations, Cold Reg. Sci. Technol., 170, 102918, https://doi.org/10.1016/j.coldregions.2019.102918, 2020 Morin, S., S. Horton, F. Techel, M. Bavay, C. Coléou, C. Fierz, A. Gobiet, P. Hagenmuller, M. Lafaysse, M. Lizar, C. Mitterer, F. Monti, K. Müller, M. Olef, J. S. Snook, A. van Herwijnen and V. Vionnet, Application of physical snowpack models in support of operational avalanche hazard forecasting : a status report on current implementations and prospects for the future, Cold. Reg. Sci. Technol., 170, 102910 https://doi.org/10.1016/j.coldregions.2019.102910, 2020 Hanzer, F., C. Carmagnola, P. P. Ebner, F. Koch, F. Monti, M. Bavay, M. Bernhardt, M. Lafaysse, M. Lehning, U. Strasser, H. François and S. Morin, Simulation of snow management in Alpine ski resorts using three different snow models, Cold. Reg. Sci. Technol., 182, 102995, https://doi.org/10.1016/j.coldregions.2020.102995, 2020. 2019 Nousu, J.-P., Lafaysse, M., Vernay, M., Bellier, J., Evin, G., and Joly, B. : Statistical post-processing of ensemble forecasts of the height of new snow, Nonlin. Processes Geophys., 26, 339–357, https://doi.org/10.5194/npg-26-339-2019, 2019 Vionnet, V., Six, D., Auger, L., Dumont, M., Lafaysse, M., Quéno, L., Réveillet, M., Dombrowski-Etchevers I., Thibert, E. and Vincent, C. : Sub-kilometer precipitation datasets for snowpack and glacier modeling in alpine terrain, Front. Earth Sci., 7, 182, https://doi.org/10.3389/feart.2019.00182, 2019 Spandre, P., H. François, D. Verfaillie, M. Lafaysse, M. Déqué, N. Eckert, E. George and S. Morin, Climate controls on snow reliability in French Alps ski resorts, Sci. Rep., 9, 8043, https://doi.org/10.1038/s41598-019-44068-8, 2019. Spandre, P., François, H., Verfaillie, D., Pons, M., Vernay, M., Lafaysse, M., George, E., and Morin, S. : Winter tourism under climate change in the Pyrenees and the French Alps : relevance of snowmaking as a technical adaptation, The Cryosphere, 13, 1325-1347, https://doi.org/10.5194/tc-13-1325-2019, 2019. Di Mauro, B., Garzonio, R., Rossini, M., Filippa, G., Pogliotti, P., Galvagno, M., Morra di Cella, U., Migliavacca, M., Baccolo, G., Clemenza, M., Delmonte, B., Maggi, V., Dumont, M., Tuzet, F., Lafaysse, M., Morin, S., Cremonese, E., and Colombo, R. : Saharan dust events in the European Alps : role in snowmelt and geochemical characterization, The Cryosphere, 13, 1147-1165, https://doi.org/10.5194/tc-13-1147-2019, 2019. Lejeune, Y., Dumont, M., Panel, J.-M., Lafaysse, M., Lapalus, P., Le Gac, E., Lesaffre, B., and Morin, S. : 57 years (1960–2017) of snow and meteorological observations from a mid-altitude mountain site (Col de Porte, France, 1325 m of altitude), Earth Syst. Sci. Data, 11, 71-88, https://doi.org/10.5194/essd-11-71-2019, 2019. Veyssière, G., F. Karbou, S. Morin, M. Lafaysse and V. Vionnet, Evaluation of Sub-Kilometric Numerical Simulations of C-Band Radar Backscatter over the French Alps against Sentinel-1 Observations, Remote Sens. 11(1), 8, https://doi.org/10.3390/rs11010008, 2019. 2018 Krinner, G., Derksen, C., Essery, R., Flanner, M., Hagemann, S., Clark, M., Hall, A., Rott, H., Brutel-Vuilmet, C., Kim, H., Ménard, C. B., Mudryk, L., Thackeray, C., Wang, L., Arduini, G., Balsamo, G., Bartlett, P., Boike, J., Boone, A., Chéruy, F., Colin, J., Cuntz, M., Dai, Y., Decharme, B., Derry, J., Ducharne, A., Dutra, E., Fang, X., Fierz, C., Ghattas, J., Gusev, Y., Haverd, V., Kontu, A., Lafaysse, M., Law, R., Lawrence, D., Li, W., Marke, T., Marks, D., Nasonova, O., Nitta, T., Niwano, M., Pomeroy, J., Raleigh, M. S., Schaedler, G., Semenov, V., Smirnova, T., Stacke, T., Strasser, U., Svenson, S., Turkov, D., Wang, T., Wever, N., Yuan, H., and Zhou, W. : ESM-SnowMIP : Assessing snow models and quantifying snow-related climate feedbacks, Geosci. Model Dev., 11, 5027-5049, https://doi.org/10.5194/gmd-11-5027-2018, 2018. Revuelto, J., Lecourt, G., Lafaysse, M., Zin, I., Charrois, L., Vionnet, V., Dumont, M., Rabatel, A., Six, D., Condom, T., Morin, S., Viani, A., and Sirguey, P. : Multi-criteria evaluation of snowpack simulations in complex alpine terrain using satellite and in situ observations, Remote Sensing, 10, 1171, https://doi.org/10.3390/rs10081171, 2018. Réveillet, M., Six, D., Vincent, C., Rabatel, A., Dumont, M., Lafaysse, M., Morin, S., Vionnet, V., and Litt, M. : Relative performance of empirical and physical models in assessing the seasonal and annual glacier surface mass balance of Saint-Sorlin Glacier (French Alps), The Cryosphere, 12, 1367-1386, https://doi.org/10.5194/tc-12-1367-2018, 2018. Verfaillie, D., Lafaysse, M., Déqué, M., Eckert, N., Lejeune, Y., and Morin, S. : Multi-components ensembles of future meteorological and natural snow conditions in the Northern French Alps, The Cryosphere, 12, 1249-1271, https://doi.org/10.5194/tc-12-1249-2018, 2018. Vionnet, V., Guyomarc’h G., Lafaysse, M., Naaim-Bouvet, F., Giraud, G. and Deliot, Y. : Operational implementation and evaluation of a blowing snow scheme for avalanche hazard forecasting, Cold Reg. Sci. Technol. 147, 1-10, https://doi.org/10.1016/j.coldregions.2017.12.006, 2018. 2017 Verfaillie, D., Déqué, M., Morin, S., and Lafaysse, M. : The method ADAMONT v1.0 for statistical adjustment of climate projections applicable to energy balance land surface models, Geosci. Model Dev., 10, 4257-4283,https://doi.org/10.5194/gmd-10-4257-2017, 2017. Tuzet, F., Dumont, M., Lafaysse, M., Picard, G., Arnaud, L., Voisin, D., Lejeune, Y., Charrois, L., Nabat, P., and Morin, S. : A multilayer physically based snowpack model simulating direct and indirect radiative impacts of light-absorbing impurities in snow, The Cryosphere, 11, 2633-2653, https://doi.org/10.5194/tc-11-2633-2017, 2017. Barrere, M., Domine, F., Decharme, B., Morin, S., Vionnet, V., and Lafaysse, M. : Evaluating the performance of coupled snow-soil models in SURFEXv8 to simulate the permafrost thermal regime at a high Arctic site, Geosci. Model Dev., 10, 3461-3479, https://doi.org/10.5194/gmd-10-3461-2017, 2017. Lafaysse, M., Cluzet, B., Dumont, M., Lejeune, Y., Vionnet, V., and Morin, S. : A multiphysical ensemble system of numerical snow modelling, The Cryosphere, 11, 1173-1198, https://doi.org/10.5194/tc-11-1173-2017, 2017. Birman, C., F. Karbou, J. Mahfouf, M. Lafaysse, Y. Durand, G. Giraud, L. Mérindol, and L. Hermozo, Precipitation analysis over the French Alps using a variational approach and study of potential added value of ground based radar observations., J. Hydrometeor., 18, 1425-1451, https://doi.org/10.1175/JHM-D-16-0144.1, 2017. 2016 Vionnet V., Dombrowski-Etchevers I., Lafaysse M., Quéno L., Seity Y., and Bazile, E. : Numerical weather forecasts at kilometer scale in the French Alps : evaluation and applications for snowpack modelling, J. Hydrometeor., 17, 2591-2614, https://doi.org/10.1175/JHM-D-15-0241.1, 2016. Quéno, L., Vionnet, V., Dombrowski-Etchevers, I., Lafaysse, M., Dumont, M., and Karbou, F. : Snowpack modelling in the Pyrenees driven by kilometric-resolution meteorological forecasts, The Cryosphere, 10, 1571-1589, https://doi.org/10.5194/tc-10-1571-2016, 2016. François, H., S. Morin, P. Spandre, M. Lafaysse, Y. Lejeune and E. George-Marcelpoil, Crossing numerical simulations of snow conditions with a spatially-resolved socio-economic database of ski resorts : a proof of concept with and without accounting for snow management practices in the French Alps , La Houille Blanche, 4, 66-84, https://doi.org/10.1051/lhb/2016041, 2016. Charrois L., E. Cosme, M. Dumont, M. Lafaysse, S. Morin, Q. Libois, and G. Picard, On the assimilation of optical reflectances and snow depth observations into a detailed snowpack model, The Cryosphere, 10, 1021-1038, https://doi.org/10.5194/tc-10-1021-2016, 2016. Pellarin, T., A. Mialon, R. Biron, C. Coulaud, F. Gibon, Y. Kerr, M. Lafaysse, B. Mercier, S. Morin, I. Redor, M. Schwank, I. Völksch, Three years of L-band brightness temperature measurements in a mountainous area : Topography, vegetation and snowmelt issues, Remote Sens. Environ., 180, 85–98, https://doi.org/10.1016/j.rse.2016.02.047, 2016. Spandre, P., S. Morin, M. Lafaysse, Y. Lejeune, H. François and E. George-Marcelpoil, Integration of snow management processes into a detailed snowpack model, Cold Reg. Sci. Technol., 125, 48-64, https://doi.org/10.1016/j.coldregions.2016.01.002, 2016. Revuelto, J., V. Vionnet, J.-I. López-Moreno, M. Lafaysse and S. Morin, Combining snowpack modeling and terrestrial laser scanner observations improves the simulation of small scale snow dynamics, J. Hydrol., 533, 291–307, https://doi.org/10.1016/j.jhydrol.2015.12.015, 2016. 2015 Vernay, M.*, M. Lafaysse, L. Merindol, G. Giraud and S. Morin, Ensemble forecasting of snowpack conditions and avalanche hazard, Cold Reg. Sci. Technol. 120, 251-262 , https://doi.org/10.1016/j.coldregions.2015.04.010, 2015. Libois, Q. G. Picard, L. Arnaud, M. Dumont, M. Lafaysse, S. Morin, and E. Lefebvre, Summertime evolution of snow specific surface area close to the surface on the Antarctic Plateau, The Cryosphere, 9, 2383-2398, https://doi.org/10.5194/tc-9-2383-2015, 2015. 2014 François, H., S. Morin, M. Lafaysse and E. George-Marcelpoil, Crossing numerical simulations of snow conditions with a spatially-resolved socio-economic database of ski resorts : a proof of concept in the French Alps. Cold Reg. Sci. Technol. Volume : 108, Pages : 98-112 (2014) Doi : 10.1016/j.coldregions.2014.08.005. Gascon, G., M. Sharp, D. Burgess, P. Bezeau, A. B. Bush, S. Morin and M. Lafaysse, How well is firn densification represented by a physically-based multilayer model ? Model evaluation for the Devon Ice Cap, Nunavut, Canada. Journal of Glaciology, Volume : 60, Issue : 222, Pages : 694-704 (2014), Doi : 10.3189/2014JoG13J209. M. Lafaysse, B. Hingray, A. Mezghani, J. Gailhard, and L. Terray, 2014 : Internal variability and model uncertainty components in future hydrometeorological projections : The Alpine Durance basin, Water Resour. Res., 50, doi :10.1002/2013WR014897. Carmagnola, C. M., S. Morin, Lafaysse, M., F. Domine, B. Lesaffre, Y. Lejeune, G. Picard, and L. Arnaud, 2014 : Implementation and evaluation of prognostic representations of the optical diameter of snow in the SURFEX/ISBA-Crocus detailed snowpack model, The Cryosphere, 8, 417-437, doi :10.5194/tc-8-417-2014 2013 Dominé, F., S. Morin, E. Brun, M. Lafaysse, and C. M. Carmagnola, 2013 : Seasonal evolution of snow permeability under equi-temperature and temperature-gradient conditions, The Cryosphere, 7, 1915–1929, doi :10.5194/tc-7-1915-2013 Masson, V., LeMoigne, P., Martin, E., Faroux, S., Alias, A., Alkama, R., Belamari, S., Barbu, A., Boone, A., Bouyssel, F., Brousseau, P., Brun, E., Calvet, J.-C., Carrer, D., Decharme, B., Delire, C., Donier, S., Essaouini, K., Gibelin, A.-L., Giordani, H., Habets, F., Jidane, M., Kerdraon, G., Kourzeneva, E., Lafaysse, M., Lafont, S., Lebeaupin Brossier, C., Lemonsu, A., Mahfouf, J.-F., Marguinaud, P., Mokhtari, M., Morin, S., Pigeon, G., Salgado, R., Seity, Y., Taillefer, F., Tanguy, G., Tulet, P., Vincendon, B., Vionnet, V., and Voldoire, A. : The SURFEXv7.2 land and ocean surface platform for coupled or offline simulation of earth surface variables and fluxes, Geosci. Model Dev., 6, 929-960, doi :10.5194/gmd-6-929-2013, 2013. Mary, A., Dumont, M., Dedieu, J.-P., Durand, Y., Sirguey, P., Milhem, H., Mestre, O., Negi, H. S., Kokhanovsky, A. A., Lafaysse, M.., and Morin, S. : Intercomparison of retrieval algorithms for the specific surface area of snow from near-infrared satellite data in mountainous terrain, and comparison with the output of a semi-distributed snowpack model, The Cryosphere, 7, 741-761, doi :10.5194/tc-7-741-2013, 2013. 2011 Lafaysse, M., B. Hingray, P. Etchevers, E. Martin and C. Obled, 2011 : Influence of spatial discretization, underground water storage and glacier melt on a physically based hydrological model of the Upper Durance River basin, Journal of Hydrology, 403, 116 – 129. 2009 Wagnon, P., M. Lafaysse, Y. Lejeune, L. Maisincho, M. Rojas, and J. P. Chazarin, Understanding and modeling the physical processes that govern the melting of snow cover in a tropical mountain environment in Ecuador. J. Geophys. Res., 114, D19113, doi:10.1029/2009JD012292, 2009. Autres publications 2023 Lafaysse, M. Modélisation numérique de la neige : la fin du déterminisme ? Habilitation à Diriger des Recherches de l’Université de Toulouse 3. Link 2018 Vincent, L.*, Lejeune, Y., Lafaysse, M., Boone, A., Le Gac, E., Coulaud, C., Freche, G., Sicart, J.E. Interception of snowfall by the trees is the main challenge for snowpack simulations under forests. In Proceedings of ISSW, 705-710, 2018 Link Cluzet, B.*, Revuelto, J., Lafaysse, M., Dumont, M., Cosme, E., Tuzet, F. Assimilation of modis observations of snowpack surface properties into one year of spatialized ensemble snowpack simulations at a field site in the French Alps. In Proceedings of ISSW, 338-343, 2018 Link Champavier, R.*, Lafaysse, M., Vernay, M., Coléou, C.Comparison of various forecast products of height of new snow in 24 hours of french ski resorts at different lead times. In Proceedings of ISSW, 1150-1155, 2018 Link Morin, S., D. Verfaillie, M. Lafaysse, M. Déqué, N. Eckert, Y. Lejeune, J.M. Soubeyroux, Linking variations of meteorological and snow conditions in the French mountain regions to global temperature levels, 481 – 487, International Snow Science Workshop Proceedings 2018, Innsbruck, Austria, 2018. Link Carmagnola, C., S. Morin, M. Lafaysse, M. Vernay, H. François, N. Eckert, L. Batté, J.M. Soubeyroux, C. Viel, Combination of climatological information and meteorological forecast for seamless prediction of alpine snow conditions, 503 – 511, International Snow Science Workshop Proceedings 2018, Innsbruck, Austria, 2018. Link Spandre, P., H. François, D. Verfaillie, M. Lafaysse, M. Déqué, N. Eckert, E. George, S. Morin, Climate change impacts on the snow reliability of French Alps ski resorts, 512 – 516, International Snow Science Workshop Proceedings 2018, Innsbruck, Austria, 2018. Link Hanzer, F., C. Carmagnola, P. Ebner, M. Bavay, M. Lafaysse, M. Lehning, U. Strasser, H. Francois, S. Morin, Simulating snow conditions in ski resorts with the physically based snowpack models AMUNDSEN, Crocus, and SNOWPACK/Alpine3D, 517 – 524, International Snow Science Workshop Proceedings 2018, Innsbruck, Austria, 2018. Link Morin, S., C. Fierz, S. Horton, M. Bavay, C. Coléou, M. Dumont, A. Gobiet, P. Hagenmuller, M. Lafaysse, C. Mitterer, F. Monti, K. Müller, M. Olefs, J. S. Snook, F. Techel, A. van Herwijnen, V. Vionnet, Application of physical snowpack models in support of operational avalanche hazard forecasting : a status report on current implementations and prospects for the future, 1098 – 1107, International Snow Science Workshop Proceedings 2018, Innsbruck, Austria, 2018. Link 2014 Vernay M.*, M. Lafaysse, L. Merindol, G. Giraud and S. Morin, 2014 : Ensemble prediction of avalanche hazard. International Snow Science Workshop 2014 Proceedings, Banff, Canada, Pages : 67-73, October 2014 Link Spandre, P., S. Morin, E. George-Marcelpoil, M. Lafaysse, Y. Lejeune and H. Francois : Integrating Snow Management Processes and Practices Into a Detailed Snowpack Model. Relevance, Applications and Prospects. International Snow Science Workshop 2014 Proceedings, Banff, Canada, Pages : 511-518, October 2014 Link Lafaysse, M., S. Morin, C. Coléou, M. Vernay, D. Serça, F. Besson, J-M. Villemet, G. Giraud, Y. Durand, 2014 : Une nouvelle chaîne de modèles numériques pour la prévention du risque d’avalanches sur les montagnes françaises incluant les massifs de moyenne montagne.Neige et Avalanches, 145, 17. Morin, S., M. Lafaysse, N. Eckert, C. Coléou and Y. Lejeune, 2014 : Prévisibilité de l’enneigement à l’échéance de quelques semaines à quelques mois, Neige et Avalanches, 145, 39. 2013 Lafaysse, M.., S. Morin, C. Coléou, M. Vernay, D. Serça, F. Besson, J.-M. Willemet, G. Giraud and Y. Durand, 2013 : Towards a new chain of models for avalanche hazard forecasting in French mountain ranges, including low altitude mountains, Proceedings of the International Snow Science Workshop Grenoble – Chamonix Mont-Blanc – 2013, 7-11 October, Grenoble, France, 162-166 Link Morin, S., M. Lafaysse, C. Coléou and Y. Lejeune, 2013 : Will there (still) be snow for the upcoming winter holidays ? On the conditional predictability of snow conditions several weeks to months in advance, Proceedings of the International Snow Science Workshop Grenoble – Chamonix Mont-Blanc – 2013, 7-11 October, Grenoble, France, 1171-1176 Link Charrois, L., M. Dumont, P. Sirguey, S. Morin, M. Lafaysse and F. Karbou, 2013 : Comparing different MODIS snow products with distributed simulation of the snowpack in the French Alps, Proceedings of the International Snow Science Workshop Grenoble – Chamonix Mont-Blanc – 2013, 7-11 October, Grenoble, France, 937-941 Link 2012 Lafaysse, M.., Hingray B., Mezghani A., Gailhard J., Terray L., 2012 : Modèles de descente d’échelle statistique pour les études d’impact du changement climatique : transférabilité temporelle et incertitudes associées dans les projections futures. Actes du Colloque de l’Association Internationale de Climatologie, Grenoble, France, 5-8 septembre 2012, 427-432 Link Mezghani A., Hingray B., Lafaysse, M., 2012 : Variabilité spatiale du pouvoir explicatif de différents prédicteurs atmosphériques pour l’estimation des précipitations journalières sur le territoire français. Actes du Colloque de l’Association Internationale de Climatologie, Grenoble, France, 5-8 septembre 2012, 529-534 Link Bourqui M., Hingray B., Mathevet T., Gailhard J., Hendrickx F., Lafaysse, M., Mezghani A., 2012 : Evaluation hydrologique en temps présent de la chaîne modèle de circulation générale / méthodes de descente d’échelle statistique. Actes du Colloque de l’Association Internationale de Climatologie, Grenoble, France, 5-8 septembre 2012, 153-158 Link Thèse Lafaysse, M., Changement climatique et régime hydrologique d’un bassin alpin. Génération de scénarios sur la Haute-Durance, méthodologie d’évaluation et incertitudes associées. Thèse de l’Université Paul Sabatier, 22 novembre 2011 Link
