Recherche post doctorale / Post doctoral research
Cartographie et modélisation du permafrost dans les Alpes françaises et les Pyrénées
Mapping and modelling permafrost in the French Alps and Pyrenees
Sujet de thèse / Ph.D thesis title
Cartographier et modéliser les aléas liés à la dégradation de la cryosphère dans les Alpes françaises. Une approche combinant permafrost, lacs glaciaires et écroulements rocheux pour contribuer à l’identification de secteurs à risque
Mapping and modelling hazards resulting from cryosphere degradation in the French Alps. An approach combining permafrost, glacial lakes and rockfalls to identify areas at risk.
Directeurs de thèse / Ph.D supervisors : Florence Magnin, Ludovic Ravanel
Ancrage Disciplinaire / Research field
Géomorphologie glaciaire et périglacaire
Glacial and Periglacial Geomorphology
Thème de recherche / Research Topics
Morphodynamique des versants de haute montagne :
- Déstabilisation des versants en contexte de dégradation du permafrost et de retrait glaciaire.
- Modélisation et cartographie des aléas gravitaires à l’échelle régionale et locale.
- Modifications paysagères en contexte de retrait glaciaires.
High Mountain environments morphodynamic : - Rockwall instabilities in permafrost degradation and glacial retreat context.
- Gravitational hazards mapping and modelling at regional and local scale.
- Landscape evolutions in deglaciating context.
Methodes / Methods
Travail de terrain ; Mesures in situ de températures en surface de la roche ; Géophysique (résistivité électrique) ; Systèmes d’Information Géographique ; Modélisations numériques ; Modélisation à base physique de la propagation de mouvements de masse ; Cartographie géomorphologique.
Fieldwork investigations ; In situ ground surface measurements ; Geophysical surveying (Electrical Resistivity Tomography) ; Geographical Information Systems ; Numerical modelling ; Physical-based modelling of gravitational hazards ; Geomorphological mapping.
- 2020 – 2022 : Licence 2 Géographie, TD Télédétection, prises de vues aériennes et croquis (80h)
- 2020 – 2022 : Master 1 Géographie, Module « Vers le Master Géosphère » (12h)
- Maëva Cathala, Florence Magnin, Ludovic Ravanel, Luuk Dorren, Nicolas Zuanon, Frédéric Berger, Franck Bourrier, Philip Deline. 2024. Mapping release and propagation areas of permafrost-related rock slope failures in the French Alps : A new methodological approach at regional scale. Geomorphology 448, 109032. https://doi.org/10.1016/j.geomorph.2023.109032
- Maëva Cathala, Florence Magnin, Ludovic Ravanel, Josué Bock, Matan Ben Asher, André Revil, Thierry Faug, Guillaume Chambon, Jean Yves Josnin, Kim Génuite, Jessy Richard, Philip Deline. 2024. Predisposing, triggering and runout processes at a permafrost-affected rock avalanche site in the French Alps (Etache, June 2020). Earth Surface Processes and Landforms. https://doi.org/10.1002/esp.5881
- Magnin, F., Ravanel, L., Ben-Asher, M., Bock, J., Cathala, M., Duvillard, P.-A., Jean, P., Josnin, J.-Y., Kaushik, S., Revil, A., Deline, P. 2023. From Rockfall Observation to Operational Solutions : Nearly 20 years of Cryo-gravitational Hazard Studies in Mont-Blanc Massif. Journal of Alpine Research | Revue de géographie alpine. https://doi.org/10.4000/rga.11703
- Ravanel L, Duvillard P-A, Astrade L, Faug T, Deline P, Berthet J, Cathala M, Magnin F, Baratier A, Bodin X. 2023. The Taconnaz Rockfall (Mont-Blanc Massif, European Alps) of November 2018 : A Complex and At-Risk Rockwall-Glacier-Torrent Morphodynamic Continuum. Applied Sciences. 2023 ; 13(17):9716. https://doi.org/10.3390/app13179716
2024
- Cathala M., Bock, J., Magnin, F., Ravanel, L., Ben-Asher, M., Astrade, L., Bodin, X., Chambon, G., Deline, P., Faug, T., Genuite, K., Jaillet, S., Josnin, J. Y., Revil, A., and Richard, J. : Predisposition and triggering conditions at a permafrost-affected rock avalanche site in the French Alps (Étache, June 2020), EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024, EGU24-8396. Pico. [https://doi.org/10.5194/egusphere-egu24-8396, 2024]
- Cathala M., Magnin F., Ravanel L., Dorren L., Berger F., Bourrier F., Zuanon N., Deline P. Mapping release and propagation areas of permafrost-related rock slope failures in the French Alps : A new methodological approach at regional scale, EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024, EGU24-8202. Poster. [https://doi.org/10.5194/egusphere-egu24-8202, 2024]
2023
- Cathala M., Magnin F., Ravanel L., Dorren L., Berger F., Bourrier F., Zuanon N., Deline P. Mapping potential release areas and modelling runout distances of permafrost rock slope failures at a regional scale for hazard assessment. IUGG, Berlin, July, 2023. Oral. https://doi.org/10.57757/IUGG23-1859
- Cathala M., Bock J., Magnin F., Ravanel L., Ben Asher M., Chambon G., Deline P., Faug T., Genuite K., Josnin J-Y., Revil A., Richard J. Triggering and runout conditions for the little rock avalanche of June 2020 in Vallon d’Étache (Savoy, France). An approach combining various cutting-edge methods. IUGG, Berlin, July, 2023. Poster.https://doi.org/10.57757/IUGG23-1906
- Cathala M., Bock J., Magnin F., Ravanel L., Ben Asher M., Chambon G., Deline P., Faug T., Genuite K., Josnin J-Y., Revil A., Richard J. Triggering and runout conditions for the little rock avalanche of June 2020 in Vallon d’Étache (Savoy, France). A multidisciplinary approach. European Conference on Permafrost, Puigcerdà, 18-22 June 2023. Poster.
- Cathala M., Magnin F., Ravanel L., Dorren L., Berger F., Bourrier F., Zuanon N., Deline P. Mapping potential release areas and modelling runout distances of permafrost rock slope failures at a regional scale for hazard assessment. European Conference on Permafrost, Puigcerdà, 18-22 June 2023. Poster.
- Cathala M., Magnin, F., Ravanel, L., Luuk, D., Zuanon, N., Berger, F., Bourrier, F., and Philip, D. Mapping release and propagation areas of permafrost-related rock slope failures to identify hot spots for hazard assessment ; French Alps. EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, EGU23-8183, https://doi.org/10.5194/egusphere-egu23-8183, 2023.
2022
- Cathala M., Magnin F., Ribeyre B. Regards croisés sur les risques liés à la dégradation du permafrost de paroi : entre perception, observation, modélisation et anticipation de l’aléa. Zones Atelier Alpes. Grenoble. 24 Novembre 2022. Talk.
- Cathala M., Magnin F., Ravanel L., Dorren L., Berger F., Bourrier F., Zuanon N., Deline P. Mapping potential release areas and modelling runout distances of permafrost rock slope failures, French Alps. International Mountain Conference ; Focus Session 21 - Glacier and permafrost risks in a changing climate. Innsbruck, 11-15 September 2022. Talk.
- Cathala M., Magnin F., Ravanel L., Dorren L., Berger F., Bourrier F., Zuanon N., Deline P. Cartographie des zones de départ d’écroulements rocheux dans les parois à permafrost et modélisation de leur trajectoire à l’échelle régionale. Application aux Alpes Françaises. Journées des Jeunes Géomorphologues, La Rochelle, June 2022. Talk.
- Cathala M., Magnin F., Ravanel L., Dorren L., Berger F., Bourrier F., Zuanon N., Deline P. Mapping potential release areas and modelling runout distances of permafrost rock slope failures at a regional scale for hazard assessment. Nordic Geological Winter Meeting, Reykjavik, 11-13 May 2022. Poster.
2021
- Cathala, M., Magnin, F., Ravanel, L., Berger, F., Deline, P. Mapping release areas and mobility of large rock slide and rock avalanches in the French Alps high mountain. Symposium Rock Slope Stability 2021, November 17-18, 2021. Talk.
- Cathala, M., Magnin, F., Tartrat, T., Ravanel, T., Deline, P. Mapping potential release areas and runout path of rockfalls and rock avalanches in the French Alps. Workshop on Climate Change and Mountain Risks in the European Alps : from Recognition to Management, Geneva University, Saas Fee, 23-27 aout 2021. Talk.
- Cathala, M., Magnin, F., Linsbauer, A., Haeberli, W., Ravanel, L., Deline, P., Schaub, Y. Modelling glaciers bed overdeepenings as sites for possible future lakes in deglaciating landscapes of the French Alps. Journées des Jeunes Géomorphologues, Institut Universitaire Européen de la Mer, Brest, 26-28 juin 2021. Talk.
- Cathala, M., Magnin, F., Linsbauer, A., Haeberli, W. Modelling glaciers bed overdeepenings as sites for possible future lakes in deglaciating landscapes of the French Alps. Journées Glacio-hydro-nivo, Société Hydrologique de France, Online, 2021. Virtual talk.
- Salim, E., Mourey, J., Ravanel, L., Duvillard, P.-A., Cathala, M., Magnin, F., Deline, P., Kaushik, S., Guillet, G., Gallach, X., & Olhasque, M. (2021). Understanding the impacts of climate change on high mountain practices : The case of the Mont Blanc massif through an interdisciplinary approach. EGU 2021, https://doi.org/10.5194/egusphere-egu21-1729. Virtual talk.
2020
- Cathala, M., Magnin, F., Linsbauer, A., Haeberli, W., Ravanel, L., and Deline, P. Modelling glaciers bed overdeepenings and possible future lakes in deglaciating landscapes of the French Alps, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-21229, https://doi.org/10.5194/egusphere-egu2020-21229, 2020.
2019
- Magnin, F., Haeberli, W., Linsbauer, L., Cathala M., Deline, P., Ravanel L., Schaub Y. Identification of potential future lakes and associated hazards in the Mont Blanc massif. VII conference of the Iberian Section of the International Permafrost Association, Jaca, Spain, Jun 2019. Poster.
- Invitée dans l’Emission La Terre au Carré, France Inter. Episode 3/5 du podcast L’hiver dans les Alpes. 25 Janvier 2023.
- Intervention aux Apér’haut lors des Rencontre Ciné Montagne. La montagne s’écroule ! Impact du réchauffement climatique sur les pratiques en haute montagne. 08 Novembre 2022, Grenoble
- Reportage France 2. Réchauffement climatique : les montagnes en état d’alerte. 24 octobre 2022.
- Participation à la journée de restitution Riskfrost. Perception des risques liés à la dégradation du permafrost. 19 octobre 2022, Bramans.
- Représentante des doctorants au conseil d’unité du laboratoire Edytem (2021 - 2022) / Doctoral students’ representative, Edytem laboratory unit council (2021 - 2022)
La fédération
Intranet
