1. Shandong Provincial Key Laboratory of Optical Astronomy and Solar‐Terrestrial Environment, School of Space Science and PhysicsShandong University Weihai China
2. Department of Atmospheric and Oceanic SciencesUniversity of California Los Angeles CA USA
3. School of Earth and Space SciencesPeking University Beijing China
4. Department of PhysicsHarbin Institute of Technology Harbin China
5. Mullard Space Science Laboratory, Space and Climate PhysicsUniversity College London Dorking UK