Cassandra Normandin, Frédéric Frappart, INRAE / ISPA, France; Adama Telly Diepkilé, Department of Education and Research (DER) Math-Informatics, Faculty of Sciences and Technology (FST)/University of Sciences, Techniques and Technologies of Bomako (USTTB), Mali; Eric Mougin, Geosciences Environment Toulouse (GET),, France; Leo Zwarts, Altenburg & Wymenga Ecological Consultans,, Netherlands; Bertrand Ygorra, INRAE / ISPA and INRIA, France; Luc Bourrel, Geosciences Environment Toulouse (GET),, France; Fabien Blarel, Flavien Egon, LEGOS, France; Jean-Pierre Wigneron, INRAE / ISPA, France