1. Earth and Life Institute, Université Catholique de Louvain, 1348 Louvain-la-Neuve, Belgium
2. Helmholtz Centre Potsdam, GFZ German Research Center for Geosciences, Telegrafenberg, 14473 Potsdam, Germany
3. Institute of Soil Science, Leibniz University Hannover, Herrenhäuser Str. 2, 30419 Hannover, Germany
4. GMV, Innovating Solutions, Santiago Grisolía, 4, P.T.M. Tres Cantos, 28760 Madrid, Spain
5. Centre for Earth Observation (ESA-ESRIN) European Space Agency, Largo Galileo Galilei 1, 00044 Frascati, Italy
6. Department of Geography & Environmental Studies, Stellenbosch University, Stellenbosch 7602, South Africa