JpGU-AGU Joint Meeting 2026

Session information

[E] Oral

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

[P-EM19] Dynamics of the Inner Magnetospheric System

Fri. May 29, 2026 3:30 PM - 5:00 PM 304 (International Conference Hall, Makuhari Messe)

Chairperson:Girgis M. Kirolosse(International Research Center for Space and Planetary Environmental Science, Kyushu University)

The inner magnetosphere is a highly dynamic and variable region filled with cold plasma, energetic particles, and wave activities, which is primarily influenced by changes in energy input from the solar wind, the plasma supply from the ionosphere, and electrodynamic magnetosphere-ionosphere coupling. This complex and dynamically coupled plasma-neutral system is shaped by various processes that interconnect different regions, scales, and energy domains of the geospace environment. To achieve a comprehensive understanding of this dynamic environment, it is crucial to conduct integrated 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 Arase, the Van Allen Probes, MMS, THEMIS, DSX, and CubeSats), as well as coordinated ground-based observations (such as PWING, THEMIS-GBO, SuperDARN, EISCAT, magnetometers, and riometers) and numerical simulations (encompassing global kinetic models, MHD models, 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 results of recent severe storm events, such as those in 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 - 4:05 PM

*Kazuhiro Yamamoto1, Yoshizumi Miyoshi1,2, Naritoshi Kitamura1, Rumi Nakamura3, Atsuki Shinbori1, Ayako Matsuoka4, Mariko Teramoto5, Shoichiro Yokota6, Satoshi Kasahara7, Kunihiro Keika7, Tomoaki Hori1, Kazushi Asamura8, Yoichi Kazama9, Shiang-Yu Wang9, Sunny Wing-Yee Tam10, Tzu-Fang Chang9, Bo-Jhou Wang9, Chae-Woo Jun1, Iku Shinohara8 (1. Institute for Space-Earth Environmental Research, Nagoya University, 2. Kyung Hee University, 3. Space Research Institute, Austrian Academy of Sciences, 4. Data Analysis Center for Geomagnetism and Space Magnetism, Graduate School of Science, Kyoto University, Kyoto, Japan, 5. Graduate School of Engineering, Kyushu Institute of Technology, 6. Department of Earth and Space Science, Graduate School of Science,Osaka University, 7. Department of Earth and Planetary Science, Graduate School of Science, the University of Tokyo, 8. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 9. Academia Sinica Institute of Astronomy and Astrophysics, 10. Institute of Space and Plasma Sciences, National Cheng Kung University)

4:05 PM - 4:20 PM

*Atsuki Shinbori1, Naritoshi Kitamura1, Kazuhiro Yamamoto1, Atsushi Kumamoto2, Fuminori Tsuchiya2, Shoya Matsuda3, Yoshiya Kasahara3, Mariko Teramoto5, Ayako Matsuoka4, Takuya Sori4, Yuichi Otsuka1, Michi Nishioka6, Septi Perwitasari6, Yoshizumi Miyoshi1, Iku Shinohara7 (1. Institute for Space-Earth Environment Research (ISEE), Nagoya University, 2. Tohoku University, 3. Kanazawa University, 4. Kyoto University, 5. Kyushu Institute of Technology, 6. National Institute of Information and Communications Technology, 7. Institute of Space and Astronautical Science)

4:20 PM - 4:35 PM

*Yuki Obana1, Naritoshi Kitamura2, Atsuki Shinbori2, Kazuhiro Yamamoto2, John Malone-Leigh3, Craig J Rodger3, Tanja Petersen4, Chae-Woo Jun2, Tomoaki Hori2, Yoshizumi Miyoshi2, Yuichi Otsuka2, Atsushi Kumamoto5, Fuminori Tsuchiya6, Yoshiya Kasahara7, Mariko Teramoto8, Ayako Matsuoka9, Yoichi Kazama10, Shiang-Yu Wang10, Sunny W. Y. Tam11, Tzu-Fang Chang11, Bo-Jhou Wang10, Kazushi Asamura12, Iku Shinohara12, Shoichiro Yokota13, Kunihiro Keika14, Satoshi Kasahara14, Marc Hairston15, Septi Perwitasari16, Michi Nishioka16 (1. International Research Center for Space and Planetary Environmental Science, Kyushu University, 2. Institute for Space-Earth Environmental Research, Nagoya University, 3. TheUniversity of Otago, 4. Earth Sciences New Zealand, 5. Department of Geophysics, Graduate School of Science, Tohoku University, 6. Planetary Plasma and Atmospheric Research Center, Graduate School of Science, Tohoku University, 7. Kanazawa University, 8. Kyushu Institute of Technolog, 9. Data Analysis Center for Geomagnetism and Space Magnetism, Graduate School of Science, Kyoto University, 10. Academia Sinica, Institute of Astronomy and Astrophysics, 11. Institute of Space and Plasma Sciences, National Cheng Kung University, 12. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 13. Graduate School of Science, Osaka University, 14. Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 15. The University of Texas at Dallas, 16. National Institute of Information and Communications Technology)

4:35 PM - 4:50 PM

*Chae-Woo Jun1, Yoshizumi Miyoshi1,2, Tomoaki Hori1, Kazuhiro Yamamoto1, Khan-Hyuk Kim2, Junhyun Lee3, Jacob Bortnik4, Iku Shinohara5, Kazushi Asamura5, Ayako Matsuoka6, Mariko Teramoto7, Satoshi Kasahara8, Kunihiro Keika8, Shoichiro Yokota9, Yoshiya Kasahara10, Shoya Matsuda10, Yasumasa Kasaba11 (1. Institute for Space-Earth Environmental Research, Nagoya University, 2. Kyung-Hee University, Suwon, Korea, 3. Korea Astronomy and Space Science Institute, Daejeon, Korea, 4. Atmospheric and Oceanic Sciences, University of California Los Angeles, Los Angeles, USA, 5. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan. , 6. Kyoto University, Kyoto, Japan, 7. Kyushu Institute of Technology, Iizuka, Japan, 8. University of Tokyo, Tokyo, Japan, 9. Osaka University, Osaka, Japan, 10. Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa, Japan, 11. Graduate School of Science, Tohoku University, Sendai, Japan)

Discussion (4:50 PM - 5:00 PM)

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