1. School of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, China
2. Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou 519082, China
3. Institute of Earth Climate and Environment System, Guangzhou 510275, China
4. Department of Earth System Science, University of California, Irvine, CA, USA