[1]State Key Laboratory of Remote Sensing Sciences, Jointly Sponsored by Institute of Remote Sensing and Digital Earth of Chinese Academy of Sciences and Beijing Normal University, and Joint Center for Global Change Studies, Beijing 100101, China;
[2]State Key Laboratory of Remote Sensing Sciences, Jointly Sponsored by Beijing Normal University and Institute of Remote Sensing and Digital Earth of Chinese Academy of Sciences, School of Geography, Beijing Normal University, and Joint Center for Global Change Studies, Beijing 100875, China;
