Hongbin Yu, NASA Goddard Space Flight Center, Earth Sciences Division, Greenbelt, MD, United States, Huisheng Bian, NASA Goddard Space Flight Ctr, Greenbelt, MD, United States, Qian Tan, Bay Area Environmental Research Institute, San Jose, CA, United States, Mian Chin, NASA Goddard SFC, Greenbelt, MD, United States, Dongchul Kim, Universities Space Research Association, Greenbelt, MD, United States and Paul A Ginoux, NOAA GFDL, Princeton, NJ, United States