Shouting Gao: 1968-B.S. Nanjing Institute of Meteorology, China; 1981-M.S. Chinese University of Science and Technology, China; 1988-Ph.D. Institute of Atmospheric Physics, Chinese Academy of Sciences, China; from 1990 to 1992, a Postdoc at the University of Dundee, UK; from 1992 to 1995, a visiting scientist at the University of Oklahoma, USA; since 1996, a professor at the Institute of Atmospheric Physics, Chinese Academy of Sciences, China. Xiaofan Li: 1982-B.S. Nanjing Institute of Meteorology, China; 1985-M.S. Nanjing Institute of Meteorology, China; 1993-Ph.D. University of Hawaii, Honolulu, Hawaii, USA; 1993-1994, Assistant Researcher, University of Hawaii, Honolulu, Hawaii, USA; 1994-2001, Contract Research Scientist, NASA/Goddard Space Flight Center, Greenbelt, Maryland, USA; from 2001-present, Physical Scientist, NOAA/NESDIS/Office of Research and Applications, Camp Springs, Maryland, USA.