Form the end of substorm growth phase till the first 1-2 minutes of onset: Evidence of a transitional stage in optical auroral and in-situ observations
Physics and Astronomy, University of Calgary, Calgary, AB, Canada
Key Laboratory of Geospace Environment, Chinese Academy of Sciences, University of Science and Technology of China, Hefei, ChinaAF: Univ Wisconsin-Madison, Madison, WI, United States
Physics and Astronomy, University of Calgary, Calgary, AB, Canada
Earth and Planetary Sciences, Tokyo Institute of Technology, Tokyo, Japan