1. Department of Computational Hydrosystems; UFZ-Helmholtz Centre for Environmental Research; Leipzig Germany
2. Now at INRA-Université de Lorraine, UMR Ecologie et Ecophysiologie Forestières; Champenoux-Vandoeuvre Les Nancy France
3. Research Applications Laboratory; National Center for Atmospheric Research; Boulder Colorado USA
4. Institute of Physics and Meteorology; University of Hohenheim; Stuttgart Germany
5. Institute of Geosciences; University of Jena; Jena Germany