1. Chinese Academy of Sciences, Institute of Remote Sensing and Digital Earth, No. 9 Dengzhuang South Road, Beijing 100094, China
2. National Satellite Meteorological Center, China Meteorological Administration, No. 46 Zhongguancun South Street, Beijing 100081, China
3. University of North Texas, Department of Geography, 1155 Union Circle #311277, Denton, Texas 76203-5017, United States