Storm-time occurrence and Spatial distribution of Pc4 poloidal ULF waves in the inner magnetosphere: A Van Allen Probes Statistical study

Lei Dai1, Kazue Takahashi2, Robert L Lysak3, Chi Wang4, John R Wygant5, Craig Kletzing6, John W Bonnell7, Cynthia A Cattell5, Charles William Smith8, Robert J. MacDowall9, Scott A Thaller5, Aaron W Breneman10, Xiangwei Tang5, Xin Tao11 and Lunjin Chen12, (1)Center for Space Science and Applied Research (CSSAR), CAS, Beijing, China, (2)Applied Physics Laboratory Johns Hopkins, Laurel, MD, United States, (3)University of Minnesota, School of Physics and Astronomy, Minneapolis, MN, United States, (4)CSSAR, CAS, Beijing, China, (5)University of Minnesota Twin Cities, Minneapolis, MN, United States, (6)University of Iowa, Iowa City, IA, United States, (7)University of California Berkeley, Berkeley, CA, United States, (8)University of New Hampshire Main Campus, Space Science Center, Durham, NH, United States, (9)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (10)The University of Minnesota, Minneapolis, MN, United States, (11)University of Science and Technology of China, Hefei, China, (12)University of Texas at Dallas, Richardson, TX, United States