Jean‐Louis Rajot

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About

Jean-Louis Rajot is a leading figure in the study of aeolian processes and atmospheric aerosols, with a particular focus on the Sahel region of Africa. His research integrates field observations and remote sensing to unravel the complex dynamics of mineral dust and its vertical distribution. Rajot’s most influential work, “Variability of aerosol vertical distribution in the Sahel” (2010), which has garnered 49 citations, provides a critical multi-year analysis of aerosol optical properties and seasonal variability across key Sahelian sites. By combining ground-based micro-lidar systems in Niger, Mali, and Senegal with satellite data, he characterized the distinct aerosol types—from local dust to long-range transported particles—that dominate the Sahelian atmosphere. This work is foundational for understanding how dust plumes evolve and impact regional climate, air quality, and biogeochemical cycles. Rajot’s contributions are essential for improving climate models and forecasting dust events, marking him as a key researcher in environmental geoscience and African atmospheric studies.