Songyi Lin, Institute of Remote Sensing and Geographic Information System, School of Earth and Space Sciences, Peking University, China; Rongyuan Liu, China Aero Geophysical Survey and Remote Sensing Center for Natural Resources, China; Shanshan Chen, School of Ecology and Environmental Science, Yunnan University, China; Qiming Qin, Wenjie Fan, Institute of Remote Sensing and Geographic Information System, School of Earth and Space Sciences, Peking University, China; Xiaodong Mu, Hainan Research Academy of Environmental Sciences, China; Baozhen Wang, Yunzhu Tao, Institute of Remote Sensing and Geographic Information System, School of Earth and Space Sciences, Peking University, China