[1] Univ Patras, Fac Nat Sci, Dept Geol, Lab Hydrogeol, Patras 26504, Greece
[2] Univ Campania Luigi Vanvitelli, Dept Environm Biol & Pharmaceut Sci & Technol, Via Vivaldi 43, I-81100 Caserta, Italy
[3] Avignon Univ, EMMAH, AU INRAE, UMR 1114, F-84000 Avignon, France