puits (1) temps (durée) (1) sable (1) modèle (1) laboratoire (1) eaux souterraines (1) gravier (1) céréale (1) amende (1) effet (1) conductivité (1) compactage (1) Paris (1) Origin (1) Groundwater (1) Variations (1) Time (1) Surfaces--Areas and volumes (1) Spectrum analysis (1) Sand (1) Relaxation (1) Quartz (1) Nature (1) Induced polarization (1) Impact (1) Gravel (1) Grain (1) Example (1) Comprehension (1) Compacting (1)