1. Faculty of Geo-information and Earth Observation (ITC), University of Twente, Enschede, Hengelosestraat 99, AE Enschede, The Netherlands
2. Department of Geography, King’s College London, London, UK
3. Tropical Forests and People Research Centre, University of the Sunshine Coast, Maroochydore DC, QLD, Queensland, Australia
4. Department of Geography, Hydrology and Climate, University of Zurich, Winterthurerstrasse 190, Zurich, Switzerland
5. Department of Agricultural Engineering, Egerton University, PO Box 536, Egerton, Njoro, Kenya
6. Water Resources Management Group, Wageningen University & Research, AA Wageningen, The Netherlands
7. Laboratoire des Radio-Isotopes, University of Antananarivo, BP 3383, Route d'Andraisoro, 101 Antananarivo, Madagascar