1. School of Space and Environment Beihang University Beijing China
2. Key Laboratory of Space Environment Monitoring and Information Processing Ministry of Industry and Information Technology Beijing China
3. Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China
4. State Key Laboratory of Space Weather National Space Science Center Chinese Academy of Sciences Beijing China
5. Department of Earth Sciences The University of Hong Kong Hong Kong China
6. Department of Climate and Space Sciences and Engineering University of Michigan Ann Arbor MI USA