Pankaj Sadavarte¹, Sudhanshu Pandey¹, Logambal Madhuanand², Hugo Denier Van Der Gon³, Antoon Visschedijk³, Sander Houweling⁴, Joannes D Maasakkers⁵, Alba Lorente⁶, Tobias Borsdorff⁶, Otto P Hasekamp¹, Jochen Landgraf⁶ and Ilse Aben⁶, (1)SRON, Netherlands Institute for Space Research, Utrecht, Netherlands, (2)University of Twente, Geo-Information and Earth observation Science, Faculty ITC, Enschede, Netherlands, (3)TNO, Utrecht, Netherlands, (4)VU University Amsterdam, Faculty of Science, Amsterdam, Netherlands, (5)Harvard University, Cambridge, United States, (6)SRON Netherlands Institute for Space Research, Utrecht, Netherlands