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