1. Leibniz Institute for Tropospheric Research, TROPOS Leipzig Germany
2. Karlsruhe Institute of Technology, KIT Karlsruhe Germany
3. Géosciences Environment Toulouse, UMR 5563, CNRS/UPS/IRD/CNES Toulouse France
4. HydroSciences Montpellier, UMR 5569, IRD/UM2/CNRS/UM1 Montpellier France