HYDROLOGIE MID-WALES NanoSIMS Colloids Fer Environment Carbonate Agricultural catchment Modélisation Nanoplastics Humic acid Competition Metals Humic substances Mount Cameroon PHREEQC ArsenicIII Trace elements PHREEQC-Model VI Biogeochemistry Spéciation Bio-mineralization Binding Fecal contamination Expérimentation Hydrology PHREEPLOT Géochimie Permien Oxyde de fer Groundwater Massif Central Estuary Métaux Reductive dissolution Fe oxyhydroxides Ionic strength Fe Gabon Matière organique Arsenic Soil Actinides Geochemistry Colloid PH Aluminium Brittany Column of soil Speciation Bacteria Redox Leaching Bactéries ferriréductrices EXAFS Riparian wetland Modeling Iron Adsorption Iron reducing bacteria Wetland Nanoparticles Carbone Aggregation Organic carbon Characterization Carbonifère GEOF Rare earth elements Fecal stanols Ultrafiltration Natural waters Identification Hydromorphic soil Carbon Palaeoenvironment Complexation Nitrogen REE Colloïdes Dissolved organic matter Iron oxide Biogéochimie Model VI Natural organic matter Colonne du sol DOC Bioreduction Nanoparticules Dissolved organic carbon Sol Bio-minéralisation Acide humique Magnetite nanoparticles Bio-dissolution Terres rares Sorption Ce anomaly IronII Organic matter