Ultra-trace ²³⁹Pu and ²⁴⁰Pu determination in soils using optimized leaching, vacuum-assisted TEVA separation, and isotope dilution ICP-MS

Gerald Dicen, Floriane Guillevic, Judith Kobler, José A Corcho Alvarado, Stefan Röllin, Olivier Evrard, Christine Alewell

Analytical and Bioanalytical Chemistry, 2026,https://doi.org/ 10.1007/s00216-026-06614-y 

Assessing the artificial radionuclide Cesium-137 spatial distribution in the Southern Hemisphere from lake sediment records

Floriane Guillevic, Pierre Sabatier, Gerald Dicen, Palak Aggarwal, Anthony Foucher, Olivier Evrard, Christine Alewell 

Journal of Environmental Radioactivity,2026, https://doi.org/10.1016/j.jenvrad.2026.107906

The hidden consequences of agricultural development: Soil degradation and pesticide contamination in the South American Pampa

Amaury Bardelle, Renaldo Gastineau, Floriane Guillevic, Anthony Foucher , Pierre-Alexis Chaboche, José Antonio Corcho-Alvarado, Stefan Röllin, Guillermo Chalar, Pierre Sabatier, Marcos Tassano, Nathalie Cottin, Rosalie Vandromme, Olivier Cerdan, Christine Alewell and Olivier Evrard 

Science of the Total Environment, 2025, https://doi.org/10.1016/j.scitotenv.2025.180584

Hydrological responses to land use changes and precipitation variability in Southern Brazil

Aydoğan Avcıoğlu, Rosalie Vandromme , Thomas Grangeon, Jean Paolo Gomes Minella, Olivier Evrard, Marcos Tassano, Néverton Scariot and Olivier Cerdan 

Journal of Hydrology: Regional Studies, 2025, https://doi.org/10.1016/j.ejrh.2025.102705

Distribution and sources of fallout ¹³⁷Cs and ^239+240Pu in equatorial and Southern Hemisphere reference soils 

Gerald Dicen, Floriane Guillevic, Surya Gupta, Pierre-Alexis Chaboche, Katrin Meusburger, Pierre Sabatier, Olivier Evrard, and Christine Alewell

Earth System Science Data, 2025, https://doi.org/10.5194/essd-17-1529-2025

Inexorable land degradation due to agriculture expansion in South American Pampa
Anthony Foucher , Marcos Tassano , Pierre-Alexis Chaboche , Guillermo Chalar , Mirel Cabrera, Joan Gonzalez, Pablo Cabral, Anne-Catherine Simon, Mathieu Agelou, Rafael Ramon, Tales Tiecher and Olivier Evrard 
Nature Sustainability, 2023, https://doi.org/10.1038/s41893-023-01074-z