November 2025 – present: Assistant Researcher in Fire-atmosphere modelling – Center for Sci-Tech Research in Earth System and Energy (CREATE), Universidade de Evora (in Collab. with LAERO, Toulouse) September 2024 – August 2025: Temporary Lecturer and Research Assistant (ATER) CNU 37 – Physic Department, University of La Réunion February – May 2023 and 2024: Temporary Lecturer – UFR Sciences et Technologies, University of La Réunion January 2021 – October 2024: PhD student in Atmospheric Physics –Laboratoire de l’Atmosphère et des Cyclones (LACy UMR-8105 CNRS), University of La Réunion Study of aerosol variability in the Indian Ocean during Southern African biomass burning season. Funding from the Reunion Region and the European Union – FEDER PO 2021-2027 January – February 2021 : Engineer – Laboratoire de l’Atmosphère et des Cyclones (LACy UMR-8105), University of La Réunoin Analysis and inter-comparison of ground-based, satellite and UV modeling observations in Moroni, Comoros
Research themes Study of the optical properties of atmospheric aerosols Observations, analysis and modelling of large-scale pollutant transport Coupled fire-atmosphere and pollutant dispersion modeling.
Fisrt author: Ranaivombola, M., Bègue, N., Vaz Peres, L., Fazel-Rastgar, F., Sivakumar, V., Krysztofiak, G., Berthet, G., Jegou, F., Piketh, S. & Bencherif, H. Characterization of aerosol optical depth (AOD) anomalies in September and October 2022 over Skukuza in South Africa. Atmospheric Chemistry and Physics 25, 3519–3540. issn: 1680-7324. https://acp.copernicus.org/articles/25/3519/2025/ (2025) (Mar. 25, 2025). Ranaivombola, M., Bègue, N., Bencherif, H., Millet, T., Sivakumar, V., Duflot, V., Baron, A., Mbatha, N., Piketh, S., Formenti, P. & Goloub, P. Aerosol Optical Properties and Types over Southern Africa and Reunion Island Determined from Ground-Based and Satellite Observations over a 13-Year Period (2008–2021). Remote Sensing 15, 1581. issn: 2072-4292. https://www.mdpi.com/20724292/15/6/1581 (Mar. 14, 2023). Co-author: Bencherif, H., Koutoumboga, B., Bounhir, A., Millet, T., Ranaivombola, M., Bègue, N., Guedouali, F. & Mellouki, A. Study of Saharan dust events in Southern Morocco using ground-based observations (2004–2022). Remote Sensing Applications: Society and Environment 42, 101977. https://doi.org/10.1016/j.rsase.2026.101977 (2026). Bègue, N. et al. Evidence of a dual African and Australian biomass burning influence on the vertical distribution of aerosol and carbon monoxide over the southwest Indian Ocean basin in early 2020. Atmospheric Chemistry and Physics 24, 8031–8048. issn: 1680-7324. https://acp. copernicus.org/articles/24/8031/2024/ (July 16, 2024). Portafaix, T., Lamy, K., Amelie, V., Rakotoniaina, S., Moulin, L. & Ranaivombola, M. 5 years of UV index measurements in the Western Indian ocean in. RADIATION PROCESSES IN THE ATMOSPHERE AND OCEAN (Thessaloniki, Greece, 2024), 090004. https://pubs.aip.org/aip/acp/articlelookup/doi/10.1063/5.0184816 (2024). Baron, A., Payen, G., Duflot, V., Chazette, P., Khaykin, S., Hello, Y., Marquestaut, N., Ranaivombola, M., Bègue, N., Portafaix, T. & Cammas, J.-P. Early evolution of the Hunga-Tonga Volcanic Plume from Lidar Observations at Reunion Island (Indian Ocean, 21°S, 55°E) https ://meetingorganizer . copernicus.org/EGU22/EGU22-13599.html. Kloss, C. et al. Aerosol Characterization of the Stratospheric Plume From the Volcanic Eruption at Hunga Tonga 15 January 2022. Geophysical Research Letters 49, e2022GL099394. issn: 00948276, 1944-8007. https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022GL099394 (Aug. 28, 2022). Millet, T., Bencherif, H., Bounhir, A., Bègue, N., Lamy, K., Ranaivombola, M., Benkhaldoun, Z., Portafaix, T. & Duflot, V. Aerosol Distributions and Transport over Southern Morocco from Ground-Based and Satellite Observations (2004–2020). Atmosphere 13, 923. issn: 2073-4433. https://www.mdpi.com/2073-4433/13/6/923 (June 6, 2022). Lamy, K., Ranaivombola, M., Bencherif, H., Portafaix, T., Toihir, M., Lakkala, K., Arola, A., Kujanpää, J., Pitkänen, M. & Cadet, J.-M. Monitoring Solar Radiation UV Exposure in the Comoros. International Journal of Environmental Research and Public Health 18, 10475. issn: 1660-4601. https://www.mdpi.com/1660-4601/18/19/10475 (Oct. 5, 2021). Lamy, K., Ranaivombola, M., Bencherif, H., Portafaix, T., Toihir, M. A., Lakkala, K., Arola, A., Kujanpää, J., Pitkänen, M. R. A. & Cadet, J.-M. Correction: Lamy et al. Monitoring Solar Radiation UV Exposure in the Comoros. Int. J. Environ. Res. Public Health 2021, 18, 10475. International Journal of Environmental Research and Public Health 18, 13399. issn: 1660-4601. https://www.mdpi. com/1660-4601/18/24/13399 (Dec. 20, 2021). Bègue, N., Shikwambana, L., Bencherif, H., Pallotta, J., Sivakumar, V., Wolfram, E., Mbatha, N., Orte, F., Du Preez, D. J., Ranaivombola, M., Piketh, S. & Formenti, P. Statistical analysis of the long-range transport of the 2015 Calbuco volcanic plume from ground-based and space-borne observations. Annales Geophysicae 38, 395–420. issn: 1432-0576. https://angeo.copernicus.org/ articles/38/395/2020/ (Mar. 26, 2020). Oral communications Ranaivombola, M., Tulet, P., Couto, F. T., Salgado, R. & Filippi, J.-B. Wildfire Plume Modelling of WP 2.2: Current Activities and Future Needs. SILEX meeting (Oct 13., 2026) Ranaivombola, M., Bègue, N., Krysztofiak, G., Vaz Peres, L., Sivakumar, V., Berthet, G., Jegou, F., Piketh, S. & Bencherif, H. An Intensive Biomass Burning Aerosol Observation phase in 2022, over Skukuza, South Africa: CO transport and balance over Southern Africa https://meetingorganizer. copernicus.org/EGU25/EGU25-17867.html (2025). Ranaivombola, M., Bègue, N., Sivakumar, V., Fazel-Rastgar, F., Vaz Peres, L., Piketh, S. & Bencherif, H. An Intensive Biomass Burning Aerosol Observation in 2022, over Skukuza, South Africa in. 38th Annual conference of South African Society for Atmospheric Sciences (South African Society for Atmospheric Sciences, Johannesbourg, Afrique du Sud, Oct. 2024). isbn: 978-1-03-701666-0. Ranaivombola, M., Bencherif, H., Bègue, N., Sivakumar, V. & Fazel-Rastgar, F. An Intensive Biomass Burning Aerosol Observation in 2022, over Skukuza, South Africa: Preliminary Results in. ACTRIS Science Conference (Rennes, France, May 2024). Ranaivombola, M. 13 Years of Aerosol Optical Depth and Types Over Southern Africa and Reunion from Ground-based and Satellite observations Atelier EECLAT 2023. Banyuls, France, Jan. 2023. Ranaivombola, M. 13 Years of Aerosol Optical Depth and Types Over Southern Africa and Reunion from Ground-based and Satellite observations in. 38th Annual conference of South African Society for Atmospheric Sciences. In collab. with Bègue, N., Bencherif, H., Millet, T., Sivakumar, V., Duflot, V., Baron, A., Mbatha, N., Piketh, S. J., Formenti, P. & Goloub, P. (South African Society for Atmospheric Sciences, Johannesbourg, Afrique du Sud, Jan. 2023). Bellissens, A. La Réunion atteinte par les particules fines du volcan Hunga Tonga Aug. 18, 2022. https: //www.youtube.com/watch?v=Qq6hBJgc4Zc. Crumeyrolle, S., Ranaivombola, M., Roberts, T., Giorio, C., Salerno, G., Giammanco, S., Laspina, A., Disarra, A., Spampinato, L. & Sellitto, P. Near crater observations of gas and aerosols variability at Mount Etna during the EPL-RADIO and EPL-REFLECT measurement campaigns. https:// meetingorganizer.copernicus.org/EGU21/EGU21-5684.html (2025).
Teaching service (2022-2025): Temporary Lecturer (2022–2023) : 23 heures Temporary Lecturer (2023–2024) : 35 heures Temporary Lecturer and Research Assistant (2024-2025) : 192 heures