Relation between the Sub-Auroral Polarization Stream and Energetic Particle Injection during Substorms

Zihan Wang1, Shasha Zou2, Jesper W Gjerloev3, John R Wygant4, J. Michael Ruohoniemi5 and Bharat Kunduri5, (1)University of Michigan Ann Arbor, Ann Arbor, MI, United States, (2)University of Michigan, Ann Arbor, MI, United States, (3)Applied Physics Laboratory Johns Hopkins, Laurel, MD, United States, (4)University of Minnesota, School of Physics and Astronomy, Minneapolis, MN, United States, (5)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States