1. Institute of Space Weather, College of Math & StatisticsNanjing University of Information Science & Technology Nanjing China
2. Key Laboratory of Earth and Planetary Physics, Institute of Geology and GeophysicsChinese Academy of Sciences Beijing China
3. Innovation Academy of Earth ScienceChinese Academy of Sciences Beijing China
4. Beijing National Observatory of Space Environment, Institute of Geology and GeophysicsChinese Academy of Sciences Beijing China
5. College of Earth SciencesUniversity of Chinese Academy of Sciences Beijing China
6. National Space Science CenterChinese Academy of Sciences Beijing China