Anke Fluhrer, Thomas Jagdhuber, German Aerospace Center (DLR), Germany; Carsten Montzka, Forschungszentrum Juelich, Germany; Maike Schumacher, Aalborg University, Germany; Hamed Alemohammad, Clark University, Germany; Alireza Tabatabaeenejad, The Aerospace Corporation, Germany; Harald Kunstmann, Karlsruhe Institute of Technology (KIT); Augsburg University, Germany; Dara Entekhabi, Massachusetts Institute of Technology (MIT), Germany