Observation and Modeling of the Generation Mechanism of Ion Upflow during Sudden Commencement

Shasha Zou, University of Michigan Ann Arbor, Ann Arbor, MI, United States, Dogacan Su Ozturk, University of Michigan, Ann Arbor, MI, United States, Changkun Li, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, China, Roger H Varney, SRI International Menlo Park, Menlo Park, CA, United States and Ashton Reimer, Center for Geospace Studies, SRI International, Menlo Park, United States