1. German Aerospace Center (DLR),Microwaves and Radar Institute,Weßling,Germany,82234
2. Forschungszentrum Juelich,Institute of Bio- and Geosciences: Agrosphere (IBG-3),Juelich,Germany,52428
3. Aalborg University,Geodesy Group,Department of Planning,Aalborg,Denmark,9000
4. Clark University,Center for Geospatial Analytics & Graduate School of Geography,Worcester,MA,USA,01610
5. The Aerospace Corporation,El Segundo,CA,USA,90245
6. Augsburg University,Institute of Geography,Augsburg,Germany,86159
7. Massachusetts Institute of Technology (MIT),Department of Civil and Environmental Engineering,Cambridge,MA,USA,02139