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 10:45 AM - 12:15 PM 304 (International Conference Hall, Makuhari Messe)

Chairperson:Jun Chae-Woo(Institute for Space-Earth Environmental Research, Nagoya 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.

10:45 AM - 11:05 AM

*Robert Andrew Marshall1, Christopher Colpitts2, Harlan Spence3, Christopher Cully4, Michael McCarthy5, Wyatt Spies1, Sadie Elliott2, Aaron Breneman6, Grant Berland7, Thomas Woods1, Allison Jaynes8 (1. University of Colorado Boulder, 2. University of Minnesota, 3. University of New Hampshire, 4. University of Calgary, 5. University of Washington, 6. NASA Goddard Space Flight Center, 7. John Hopkins University Applied Physics Laboratory, 8. University of Iowa)

11:25 AM - 11:40 AM

*Rino Takahara1,2, Iku Shinohara2, Satoshi Kasahara1, Kazushi Asamura2, Shoichiro Yokota3, Kunihiro Keika1, Yoichi Kazama4, Shiang-Yu W4, Sunny Wing-Yee Tam5, Tzu-Fang Chang5, Bo-Jhou Wang4, Chae-Woo Jun6, Tomoaki Hori6, Ayako Matsuoka7, Mariko Teramoto8, Kazuhiro Yamamoto6, Yoshiya Kasahara9, Shoya Matsuda9, Atsushi Kumamoto10, Atsuki Shinbori6, Fuminori Tsuchiya10, Yoshizumi Miyoshi6 (1. The University of Tokyo, 2. ISAS/JAXA, 3. Osaka University, 4. ASIAA/Institute of Astronomy & Astrophysics, Academia Sinica, 5. National Cheng Kung University, 6. Nagoya University, 7. Kyoto University, 8. Kyushu Institute of Technology, 9. Kanazawa University, 10. Tohoku University)

11:40 AM - 11:55 AM

*Koki Tachi1,2,3, Yuto Katoh1, Ondrej Santolik2,3, Atsushi Kumamoto1, Mizuki Fukizawa4, Yasunobu Ogawa4, Keisuke Hosokawa5, Satoshi Kasahara6, Shoichiro Yokota7, Kunihiro Keika6, Shoya Matsuda8, Yoshiya Kasahara8, Atsuki Shinbori9, Ayako Matsuoka10, Mariko Teramoto11, Kazuhiro Yamamoto9, Tomoaki Hori9, Sota Nanjo12, Braendstroem Urban12, Yoshizumi Miyoshi9, Iku Shinohara13 (1. Tohoku University, 2. Institute of Atmospheric Physics, Czech Academy of Sciences, Prague, Czech Republic, 3. Charles Universisty, 4. National Institute of Polar Research, 5. University of Electro-Communications, 6. The University of Tokyo, 7. Osaka University, 8. Kanazawa University, 9. Nagoya University, 10. Kyoto University, 11. Kyushu Institute of Technology, 12. Swedish Institute of Space Physics (IRF) / Institutet för rymdfysik, 13. Japan Aerospace Exploration Agency (JAXA))

11:55 AM - 12:10 PM

*Yuri Ito1,2, Yasunobu Ogawa2,1,3, Mizuki Fukizawa2,1, Akira Kadokura3,2, Yoshimasa Tanaka2,3,1, Yoshizumi Miyoshi4, Mitsunori Ozaki5, Keisuke Hosokawa6, Yoshiya Kasahara5, Shoya Matsuda5, Satoshi Kasahara7, Shoichiro Yokota8, Kunihiro Keika7, Tomoaki Hori4, Ayako Matsuoka9, Mariko Teramoto10, Kazuhiro Yamamoto4, Iku Shinohara11 (1. The Graduate University for Advanced Studies, SOKENDAI, 2. National Institute of Polar Research, 3. Research Organization of Information and Systems, Joint Support-Center for Data Science Research, 4. Institute for Space-Earth Environmental Research, Nagoya Univ., 5. Kanazawa Univ., 6. Univ. of Electro-Communications, 7. Univ. of Tokyo, 8. Osaka Univ., 9. Kyoto Univ., 10. Kyushu Institute of Technology, 11. Institute of Space and Astronautical Science, JAXA)

Discussion (12:10 PM - 12:15 PM)

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