1. German Aerospace Center (DLR), Microwaves and Radar Institute (HR),Wessling,Germany
2. Friedrich Schiller University Jena,Department for Earth Observation,Jena,Germany
3. Institute of Bio-and Geosciences: Agrosphere (IBG-3),Forschungszentrum Jülich,Jülich,Germany
4. Cambridge University,Department of Geography,Cambridge,UK
5. University of Helsinki,Institute for Atmospheric and Earth System Research (INAR),Helsinki,Finland
6. University of Liège, Earth Observation and Ecosystem Modelling Laboratory, SPHERES Unit,Liège,Belgium
7. TU Delft, Faculty of Civil Engineering and Geosciences,Delft,The Netherlands
8. University of Valencia, Image Processing Laboratory,Valencia,Spain
9. Massachusetts Institute of Technology,Department of Civil and Environmental Engineering,Cambridge,USA