School of Earth and Space Sciences Peking University Beijing 100871 China;
School of Earth and Space Sciences Peking University Beijing 100871 China;
School of Earth and Space Sciences Peking University Beijing 100871 China;
School of Earth and Space Sciences Peking University Beijing 100871 China;
Department of Physics University of Alberta Edmonton Alberta T6G2J1 Canada;
School of Earth and Space Sciences Peking University Beijing 100871 China;
School of Space Science and Physics Shandong University Weihai 264209 China;
Center for Space Physics Boston University Boston Massachusetts 02215 USA;
School of Earth and Space Sciences Peking University Beijing 100871 China;
School of Earth and Space Sciences Peking University Beijing 100871 China;
School of Earth and Space Sciences Peking University Beijing 100871 China;
poleward-moving auroral arcs; ULF waves; standing hydromagnetic waves; field-aligned currents; solar wind dynamic pressure pulse;