A. Olioso, B. Gallego‐Elvira, M. Mira*, O. Marloie**, S. Garrigues D. Courault, S. Reyes‐Castillo, M. Weiss EMMAH, INRA & Avignon University, Avignon, FRANCE M. Bahir, G. Boulet, O. Merlin, V. Rivalland CESBIO (IRD, CNES, CNRS & Toulouse University), Toulouse, FRANCE A.G. Garcia, C. Di Bella Instituto de Clima y Agua, INTA, Buenos Aires, ARGENTINA J. Hunink £ , A. Baille ££ , B. Martin ££ Future‐Water ( £ ) and Universidad Politécnica de Cartagena ( ££ ), Cartagena, SPAIN O. Boutron, P. Chauvelon, Tour du Valat (Research center for the conservation of Mediterranean wetlands), Arles, FRANCE Y. Inoue National Institute for Agro‐Environmental Sciences, Tsukuba, JAPAN * Department of Earth Physics and Thermodynamics, University of Valencia, Spain ** Écologie des Forêts Méditerranéennes, INRA, Avignon, France Evaluation of EVASPA, a tool for mapping evapotranspiration from space