Xiaojun Li, Jean-Pierre Wigneron, INRAE, France; Frédéric Frappart, INRAE;Laboratoire d’Etudes en Géophysique et Océanographie Spatiales, France; Lei Fan, INRAE;School of Geographical Sciences, Nanjing University of Information Science and Technology, France; Mengjia Wang, INRAE;State Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, France; Xiangzhuo Liu, INRAE, France; Amen Al-Yaari, Christophe Moisy, INRAE;Sorbonne Université, UMR 7619 METIS, France