Vicente Burchard-Levine¹, Hector Nieto², David Riaño¹, Mirco Migliavacca³, Tarek S. El-Madany⁴, Oscar Perez-Priego⁵, Arnaud Carrara⁶ and Maria Pilar Martin Isabel⁷, (1)Spanish National Research Council (CSIC), Madrid, Spain, (2)Complutum Tecnologías de la Información Geográfica, Madrid, Spain, (3)Max-Planck Institute for Biogeochemistry, Department of Biogeochemical Integration, Jena, Germany, (4)Max Planck Institute for Biogeochemistry, Jena, Germany, (5)Macquarie University, Sydney, Australia, (6)Fundación Centro de Estudios Ambientales del Mediterráneo (CEAM), Valencia, Spain, (7)Centro de Ciencias Humanas y Sociales, Madrid, Spain