1. a Geomatics Lab, National Institute of Research for Forestry, Agriculture and Livestock (INIFAP), Km. 4.5 Carr , Toluca-Zitacuaro , Zinacantepec , 52107 , Mexico
2. b Colegio de Postgraduados, Campus Montecillo, Km. 36.5 Carr. , México-Texcoco , Montecillo , 56230 , Mexico
3. c Edinburgh Earth Observatory, School of Geosciences, The University of Edinburgh, Drummond Street , Edinburgh , EH8 9XP , UK