*Boyi Wang¹, Xinyu Xu¹, Desheng Han², Joanne Wu³, Yuda Zhi¹, Yi Wang¹, Xueshang Feng¹ (1.Institute of Space Science and Applied Technology, Harbin Institute of Technology (Shenzhen), Shenzhen, China, 2.State Key Laboratory of Marine Geology, School of Ocean and Earth Science, Tongji University, Shanghai, China, 3.The Space Sciences Laboratory, University of California, Berkeley, California, United States)