National Hulunber Grassland Ecosystem Observation and Research Station;
Institute of Agricultural Resources and Regional Planning;
Chinese Academy of Agricultural Sciences;
State Key Laboratory of Remote Sensing Science;
Institute of Remote Sensing and Digital Earth Research;
Chinese Academy of Science and Beijing Normal University;
Hydrometeorology and Remote Sensing Laboratory;
University of Oklahoma;
global; cloud; cover; climate; change; remote; sensing; MODIS; global; change;