Mengjia Wang, Beijing Normal University, China; Jean-Pierre Wigneron, National Institute of Agricultural Research (INRAE), France; Rui Sun, Beijing Normal University, China; Philippe Ciais, Laboratoire des Sciences du Climat et de l’Environnement, France; Martin Brandt, University of Copenhagen, Denmark; Yi Liu, Nanjing University of Information Science and Technology, China; Frédéric Frappart, Laboratoire d’Etudes en Géophysique et Océanographie Spatiales (LEGOS), France; Xiaojun Li, Xiangzhuo Liu, National Institute of Agricultural Research (INRA), China; Lei Fan, Nanjing University of Information Science and Technology, China; Rasmus Fensholt, University of Copenhagen, Denmark