Ri-Tu Su, Chinese Academy of Agricultural Sciences/Forestry and Grassland Monitoring and Planning Institute of Inner Mongolia, China; Ai-Jun Liu, Yong Yang, Shu-Juan Chang, Xi-Mei Chen, Forestry and Grassland Monitoring and Planning Institute of Inner Mongolia, China; Xiao-Long Liu, Chinese Academy of Agricultural Sciences, China; Hai-Bo Han, Forestry and Grassland Monitoring and Planning Institute of Inner Mongolia, China; Chi Wang, Inner Mongolia Meteorological Data Center, China