1. Sorbonne Univ., UPMC Univ Paris 06, CNRS, EPHE; UMR 7619 METIS, 4 place Jussieu 75005 Paris France
2. Wyoming Center for Environmental Hydrology and Geophysics and Dep. of Geology and Geophysics; Univ. of Wyoming; Laramie WY 85071
3. Sorbonne Univ., UPMC Univ Paris 06, CNRS, EPHE, UMR 7619 METIS; 4 place Jussieu 75005 Paris France
4. School of Planning Architecture and Civil Engineering, Queen's Univ. Belfast; Belfast UK
5. CNRS, Univ. Paul Sabatier; Observatoire Midi-Pyrénées; UMR 5563 GET 31000 Toulouse France
6. LUNAM Univ., Univ. du Maine; UMR 6112 LPG 72000 Le Mans France
7. LUNAM Univ., CNRS, Univ. du Maine; UMR 6613 LAUM 72000 Le Mans France