1. School of Geographical Sciences University of Bristol Bristol UK
2. Department of Aerospace and Geodesy Data Science in Earth Observation Technical University of Munich Munich Germany
3. Department of Geosciences and the School of Public and International Affairs Princeton University Princeton NJ USA
4. Department of Earth & Planetary Sciences Institute of Earth, Ocean, and Atmospheric Sciences Rutgers University New Brunswick NJ USA
5. School of Earth Sciences University of Bristol Bristol UK
6. Aspinall & Associates Tisbury UK
7. Resources for the Future Washington DC USA
8. Department of Mathematics Delft University of Technology Delft The Netherlands