Jiu-tong Zhao¹, Qiugang Zong¹, Weijie Sun², James A Slavin², Xuzhi Zhou¹, Ryan M. Dewey², Gangkai Poh³ and Jim M Raines², (1)Peking University, School of Earth and Space Sciences, Beijing, China, (2)University of Michigan Ann Arbor, Department of Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, (3)NASA Goddard Space Flight Center, Greenbelt, MD, United States