1. Department of Geography; University of California; Los Angeles California USA
2. Chinese Academy of Meteorological Sciences; Beijing China
3. Institute of Atmospheric Environment, China Meteorological Administration; Shenyang China
4. Department of Atmospheric Sciences; University of California; Los Angeles California USA
5. College of Engineering, Mathematics and Physical Science; University of Exeter; Exeter UK
6. NASA Goddard Space Flight Center; Greenbelt Maryland USA