Embedded Region 1 and 2 Field-Aligned Currents, a Long-Simulated but Newly Observed Feature of the Magnetosphere-Ionosphere System, is Likely a Consequence of Meso-scale Magnetotail Dynamics, as Revealed by Their Preference on Geomagnetic Activity

Liu, Jiang

Embedded Region 1 and 2 Field-Aligned Currents, a Long-Simulated but Newly Observed Feature of the Magnetosphere-Ionosphere System, is Likely a Consequence of Meso-scale Magnetotail Dynamics, as Revealed by Their Preference on Geomagnetic Activity

Jiang Liu¹, Tomoyuki Higuchi², Larry R Lyons³, Shinichi Ohtani⁴, Jiashu Wu⁵, Ying Zou⁶, Vassilis Angelopoulos¹ and Chih-Ping Wang⁷, (1)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States, (2)Inst Statistical Mathematics, Tokyo, Japan, (3)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (4)JHU/APL, Laurel, United States, (5)University of Calgary, Calgary, AB, Canada, (6)The University of Alabama in Huntsville, Huntsville, AL, United States, (7)University of California Los Angeles, Los Angeles, CA, United States