Iron Complexation Numerical modeling Ammonium CFC GEOF Mixing Flowmeter Hydrogeophysics Residence time distribution Inverse problem Amber Sélune Tracer test Agriculture Hydrogéologie Terres rares Humic substances Catchment Nitrate Transport Temperature Fractured aquifer Fecal contamination Granular media Arsenic Eutrophication Connectivity Humic acid Modélisation Binding Upscaling Rare earth elements Brittany Fractures Water quality Groundwater Denitrification Porous media Fracture networks Hétérogénéité Milieux fracturés Watershed Fracture Climate change Riparian wetland Phosphorus Dissolved organic carbon Biogeochemical processes Erosion Eaux souterraines Bassin versant Groundwater resources Earthquakes France Sediment transport Critical zone Modelling Hydrochemistry Heterogeneity Environmental tracers Groundwater age Hydrology Hydrologie Agricultural catchment Geochemistry Recife Groundwater dating Flow Brazil Hydrogeology Electrical properties Topology Nitrogen Wavelet transform GRACE Fractured aquifers Biogeochemistry Wave propagation Modélisation numérique Fractured media Ultrafiltration Géochimie Model VI Solute transport Aquifers Acoustic properties Classification Organic matter Dispersion Aquifère Transit time distribution Biogéochimie Andes Peatland Landslides Natural waters Wetland Soil Reactive transport