1. Institute F.-A. Forel; University of Geneva; Versoix Switzerland
2. Institut des Sciences de la Terre; Grenoble France
3. CNRS, Interdisciplinary Laboratory for Continental Environments; National Center for Scientific Research; Metz France
4. Interdisciplinary Laboratory for Continental Environments; Université de Lorraine; Metz France
5. Water Research Institute-National Research Council (IRSA-CNR); Brugherio Italy