A Global Perspective of Substorm Onset
Miles Bengtson, Embry-Riddle Aeronautical University, Daytona Beach, FL, United States, Katariina Nykyri, NASA Goddard Space Flight Center, Geospace Laboratory, 673, Greenbelt, United States and Vassilis Angelopoulos, UCLA, Department of Earth, Planetary, and Space Sciences and Institute of Geophysics and Planetary Physics, Los Angeles, CA, United States