Japan Geoscience Union Meeting 2025

Session information

[E] Oral

P (Space and Planetary Sciences ) » P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM13] Dynamics of the Inner Magnetospheric System

Wed. May 28, 2025 3:30 PM - 5:00 PM 302 (International Conference Hall, Makuhari Messe)

convener:Kunihiro Keika(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo ), Yoshizumi Miyoshi(Institute for Space-Earth Environmental Research, Nagoya University), Jerry Goldstein(Southwest Research Institute), YIXIN Sun(Peking University), Chairperson:Claudia Martinez-Calderon(Nagoya University), Yoshizumi Miyoshi(Institute for Space-Earth Environmental Research, Nagoya University), Kunihiro Keika(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo)


The inner magnetosphere is a highly dynamic and variable region full of cold plasma, energetic particles and wave activities, which is primarily influenced by changes in energy input from the solar wind via the magnetotail, the plasma supply from the ionosphere, and electrodynamic magnetosphere-ionosphere coupling. This complex, driven and self-modifying system - of both plasmas and neutrals - is shaped by various processes that involve cross-regional, cross-scale, and cross-energy coupling. To achieve a deeper understanding of this dynamic environment, it is crucial to conduct comprehensive studies utilizing coordinated observations from multi-point satellite measurements, ground-based networks, and theoretical modeling. During the 24th and 25th solar cycles, advancements in this area have been facilitated by multiple satellite missions (including the Van Allen Probes, MMS, THEMIS, DSX, Arase, and CubeSats), as well as coordinated ground-based observations (such as THEMIS-GBO, SuperDARN, EISCAT, magnetometers, and riometers) and numerical simulations (encompassing global kinetic models, MHD models, micro PIC, hybrid models, and particle tracing simulations).
This session invites submissions of papers highlighting recent research findings related to the inner magnetosphere and its interactions with adjacent regions, including the ionosphere and the outer magnetosphere. We welcome relevant data analysis and contributions from various models and simulations. The initial results of recent severe storm events, such as May and October 2024, are also highly welcome. We encourage papers that discuss new projects, such as sounding rocket experiments, data assimilation and machine learning approaches, and CubeSat projects, as well as insights into future spacecraft missions.

3:50 PM - 4:10 PM

*Kazuhiro Yamamoto1, Yoshizumi Miyoshi1, Atsuki Shinbori1, Yoshiya Kasahara2, Shoya Matsuda2, Tomoaki Hori1, Ayako Matsuoka3, Mariko Teramoto4, Atsushi Kumamoto5, Fuminori Tsuchiya5, Iku Shinohara6 (1.Institute for Space-Earth Environmental Research, Nagoya University, 2.Kanazawa University, 3.Kyoto University, 4.Kyushu Institute of Technology, 5.Tohoku University, 6.Institute of Space and Astronautical Science)

4:30 PM - 4:50 PM

*Noda Taisei1, Yoshizumi Miyoshi1, Keisuke Hosokawa2, Kazushi Asamura3, Takeshi Sakanoi4, Marc Lessard5, Alison Jaynes6, Mike Shumko7, Alexa Jean Halford8, Taku Namekawa9, Takefumi Mitani3, Masahito Nose10, Geoff McHarg11, Vincent Ledvina12, Don Hampton12 (1.Institute for Space-Earth Environmental Research, Nagoya University, 2.University of Electro-Communications, 3.Institute of Space and Astronautical Science, JAXA, 4.Planetary Plasma and Atmospheric Research Center, Grad uate School of Science, Tohoku University, 5.University of New Hampshire, Durham, US, 6.University of Iowa, Iowa, US, 7.Applied Physics Laboratory, Johns Hopkins University, Maryland, US, 8.Goddard Space Flight Center, NASA, 9.The National Institute of Information and Communications Technology, 10.Nagoya City Uni versity, 11.The United States Air Force Academy, Colorado, US, 12.University of Alaska, Fairbanks, US)


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