The 15th Symposium on Polar Science (3 – 5 December 2024)
[OS] Space and Upper Atmospheric Sciences
Scope
This session covers the solar-terrestrial science related to topics in the polar atmosphere, ionosphere, and magnetosphere, including couplings with the mid- and low-latitude regions as well as space weather and space climate research.
Conveners : Akira Sessai Yukimatu and Yoshimasa Tanaka (NIPR)
Oral presentations (9:30 – 12:00, 13:00 – 17:00)
Room: Seminar room (C301)
Date: Thu. 4 December
| Chair: Masaki Tsutsumi (NIPR) | |||
|---|---|---|---|
| OSo1 | 9:30 - 9:50 | Global Fitting Analysis of Forbush decreases | *Kazuoki Munakata (Shinshu Univ.), Yuki Hayashi (Shinshu Univ.), Chihiro Kato (Shinshu Univ.), Masayoshi Kozai (PEDSC/ROIS-DS), Ryuho Kataoka (OIST), Akira Kadokura (ROIS-DS/NIPR), the GMDN collaboration |
| OSo2 | 9:50 - 10:10 | Report on the updated cosmic ray observation at Syowa Station in 2025 and a real-time monitoring of cosmic ray rigidity spectrum using paired neutron monitor and muon detector | *Yuki Hayashi (Shinshu Univ.), Chihiro Kato (Shinshu Univ.), Ryuho Kataoka (OIST), Masayoshi Kozai (ROIS-DS), Akira Kadokura (ROIS-DS), Shoko Miyake (KOSEN, Gifu Coll.), Kiyoka Murase (Kitami Inst. of Tech.), Kazuoki Munakata (Shinshu Univ.) |
| OSo3 | 10:10 - 10:30 | Cosmic-ray Muon Observation Plan in Iceland | *Masayoshi Kozai (ROIS-DS), Akira Kadokura (ROIS-DS), Chihiro Kato (Shinshu Univ.), Kazuoki Munakata (Shinshu Univ.), Naoko Miyashita (Shinshu Univ.), Yuki Hayashi (Shinshu Univ.), Ryuho Kataoka (OIST), Shoko Miyake (KOSEN Gifu), Kiyoka Murase (Kitami Inst. of Tech.), Yoshimasa Tanaka (NIPR, SOKENDAI, ROIS-DS) |
| 10:30-10:40 | Tea break | ||
| Chair: Yoshihiro Tomikawa (NIPR) | |||
| OSo4 | 10:40-11:00 | CO2-Driven Shifts in Sporadic E Formation from GAIA Simulations | *Farhan Naufal Rifqi (Kyushu Univ.), Huixin Liu (Kyushu Univ), Lihui Qiu (i-SPES, Kyushu Univ.), Chihiro Tao (NICT), Hiroyuki Shinagawa (i-SPES, Kyushu Univ.) |
| OSo5 | 11:00-11:20 | Impact of increasing CO2 on upper atmosphere response to a May 2024‐Like Superstorm | *Huixin Liu (Kyushu Univ.), Nick Pedatella (NCAR, US) |
| OSo6 | 11:20-11:40 | Correction of Temperature Data from Super-pressure Balloon Observations in the Antarctic Region | *Rina Kawakami (SOKENDAI), Yoshihiro Tomikawa (NIPR, SOKENDAI) |
| OSo7 | 11:40-12:00 | Comparative Analysis of All-Sky Camera Images and Infrasound Signals to Identify Aurora-Associates Events | *Hinata Asano (Kochi Univ. of Tech.), Masa-yuki Yamamoto (Kochi Univ. of Tech.) |
| 12:00-13:00 | Lunch | ||
| Chair: Takanori Nishiyama (NIPR) | |||
| OSo8 | 13:00-13:20 | Poleward Disturbances in Thermospheric Winds during the 3-4 November 2021 Geomagnetic Storm | *Jonna Wehmeyer (SOKENDAI, NIPR), Yoshihiro Tomikawa (NIPR, SOKENDAI, ROIS-DS), Takanori. Nishiyama (NIPR, SOKENDAI), Yasunobu Ogawa (NIPR, SOKENDAI, ROIS-DS), Eframir Franco-Diaz (Computational Physics Inc.) |
| OSo9 | 13:20-13:40 | Interhemispheric comparison of long-term variation of geomagnetic activity at Syowa-Iceland conjugate stations | *Akira Kadokura (ROIS-DS), Gunnlaugur Bjornsson (Univ. of Iceland) |
| OSo10 | 13:40-14:00 | South-North Conjugate Observations of Pulsating Auroras with Arase Satellite | *Yuri Ito (SOKENDAI, NIPR), Yasunobu Ogawa (NIPR, SOKENDAI), Yoshimasa Tanaka (NIPR, SOKENDAI, ROIS-DS), Akira Kadokura (NIPR, ROIS-DS), Mizuki Fukizawa (NIPR, SOKENDAI), Mitsunori Ozaki (Kanazawa Univ.), Keisuke Hosokawa (UEC), Yoshizumi Miyoshi (ISEE/Nagoya Univ.), Yoshiya Kasahara (Kanazawa Univ.), Shoya Matsuda (Kanazawa Univ.), Satoshi Kasahara (The Univ. of Tokyo), Shoichiro Yokota (Osaka Univ.), Kunihiro Keika (The Univ. of Tokyo), Tomoaki Hori (ISEE/Nagoya Univ.), Ayako Matsuoka (Kyoto Univ.), Mariko Teramoto (Kyutech), Kazuhiro Yamamoto (ISEE/Nagoya Univ.), Iku Shinohara (ISAS/JAXA) |
| OSo11 | 14:00-14:20 | Estimation of the Precipitating Electron Energy Spectrum from Three-Dimensional Electron Density Observations | *Mizuki Fukizawa (NIPR, SOKENDAI), Yasunobu Ogawa (NIPR, SOKENDAI, ROIS-DS), Yoshimasa Tanaka (NIPR, SOKENDAI, ROIS-DS) |
| OSo12 | 14:20-14:40 | Stormtime electric fields at middle and low latitudes as observed by HF Doppler sounders and magnetometers during the super storm on May 10-11, 2024 | *Takashi Kikuchi (ISEE/Nagoya Univ.), Kumiko K. Hashimoto (UEC), Keisuke Hosokawa (UEC), Ichiro Tomizawa (UEC), Jaroslav Chum (Inst. of Atmospheric Physics of the Czech Academy of Sciences), Yusuke Ebihara (Kyoto Univ.), Yukitoshi Nishimura (Boston Univ.) |
| 14:40-15:00 | Tea Break | ||
| Chair: Mizuki Fukizawa (NIPR) | |||
| OSo13 | 15:00-15:20 | Progress report on the imaging receiver system at the SuperDARN Hokkaido East radar (2025) | *Nozomu Nishitani (ISEE, Nagoya Univ.), Yoshiyuki Hamaguchi (ISEE, Nagoya Univ.), Tomoaki Hori (ISEE, Nagoya Univ.), Shota Hayamizu (ISEE, Nagoya Univ.) |
| OSo14 | 15:20-15:40 | AuroraX project: Current status of 2025 | *Ryuho Kataoka (Okinawa Inst. of Science and Tech.), AuroraX team (AJ1007 project members) |
| OSo15 | 15:40-16:00 | [Invited] SuperDARN Data Assimilation for Isolated Substorm Dynamics : Machine Learning Emulator Approach | *Nilam Bhosale (Okinawa Inst. of Science and Tech.), Ryuho Kataoka (Okinawa Inst. of Science and Tech.), Shinya Nakano (Inst. of Statistical Mathematics), Sachin Reddy (JPL/Caltech), Shigeru Fujita (Inst. of Statistical Mathematics), Akira Sessai Yukimatu (NIPR, SOKENDAI), Aoi Nakamizo (NICT) |
| OSo16 | 16:00-16:20 | Formation of the LLBL in M-I convection under the northward IMF | *Takashi Tanaka (Kyushu Univ., REPPU code Inst.) |
| OSo17 | 16:20-16:40 | Topological interpretation of the closed and interplanetary magnetic flux interlinkage in the magnetotail during northward interplanetary magnetic field periods | *Masakazu Watanabe (Kyushu Univ.), Takashi Tanaka (Kyushu Univ.), Dongsheng Cai (Nagoya Univ. of Commerce and Business), Shigeru Fujita (ROIS/ISM) |
| OSo18 | 16:40-17:00 | Relationship between the solar wind-magnetosphere structure and IMF parameters in the northward IMF conditions | *Shigeru Fujita (Inst. of Statistical Mathematics), Takashi Tanaka (Kyushu Univ.), Masakazu Watanabe (Kyushu Univ.), Dong Sheng Cai (Univ. of Tsukuba) |
Poster presentations (Core time: 17:10 – 18:30)
Room: Atrium (1st floor)
Date: Thu. 4 December
| OSp1 | Impact of downward propagating planetary waves associated with sudden stratospheric warming on the extratropical troposphere: zonal wavenumber 1 component | *Yuki Kojima (Kyoto Univ.), Hitoshi Mukougawa (Kyoto Univ.) |
|---|---|---|
| OSp2 | Short-period height variation of a sporadic Ca⁺ layer | *Azusa Yamakawa (SOKENDAI, NIPR), Mitsumu K. Ejiri (NIPR, SOKENDAI), Takuji Nakamura (NIPR, SOKENDAI), Takuo T. Tsuda (Univ. of Electro-Communications), Takanori Nishiyama (NIPR, SOKENDAI), Makoto Abo (Tokyo Metro. Univ.), Katsuhiko Tsuno (RIKEN), Takayo Ogawa (RIKEN), Satoshi Wada (RIKEN) |
| OSp3 | Long-term variation of the back-ground wind field in the Antarctic MLT region | *Masaki Tsutsumi (NIPR, SOKENDAI) |
| OSp4 | Modulation of the mid-latitude ionospheric Sporadic E layer by the polar vortex | *Tomoki Maeda (Kyushu Univ.), Huixin Liu (Kyushu Univ.), Yosuke Yamazaki (Leibniz Inst. of Atmospheric Physics at the Univ. of Rostock), Lihui Qiu (Kyushu Univ.) |
| OSp5 | Characteristics of Quasi-Co-rotating Auroras Observed on the Ground | *Yukino Sato (SOKENDAI, NIPR), Yoshimasa Tanaka (NIPR, SOKENDAI, ROIS-DS), Ryuho Kataoka (NIPR, OIST), Takanori Nishiyama (NIPR, SOKENDAI), Yasunobu Ogawa (NIPR, SOKENDAI, ROIS-DS) |
| OSp6 | Reconstruction of the three-dimensional structure of the Westward Traveling Surge | *Tau Hoshino (SOKENDAI), Yoshimasa Tanaka (NIPR, ROIS-DS, SOKENDAI), Yasunobu Ogawa (NIPR, ROIS-DS, SOKENDAI), Takanori Nishiyama (NIPR, SOKENDAI), Keisuke Hosokawa (UEC), Kirsti Kauristie (Finnish Meteorological Inst.), Alexander Kozlovsky (Sodankyla Geophysical Observatory, Univ. of Oulu), Tero Raita (Sodankyla Geophysical Observatory, Univ. of Oulu) |
| OSp7 | Assessing interference of various vehicles in the geomagnetic absolute measurement - toward optimizing their access restrictions at Syowa Station | *Tomoyuki Yara (Kakioka Magnetic Observatory, Japan Meteorological Agency), Junpei Oogi (Kakioka Magnetic Observatory, Japan Meteorological Agency), Shin Arita (Kakioka Magnetic Observatory, Japan Meteorological Agency), Tomomi Inamura (Atmosphere and Ocean Dep., Japan Meteorological Agency), Hideyuki Hirahara (Kakioka Magnetic Observatory, Japan Meteorological Agency), Akira Kadokura (ROIS-DS, NIPR), |
| OSp8 | Magnetospheric-density estimation using FLRs in both ionospheric and ground/sea backscatters of SuperDARN VLOS in a consistent manner with the aid of the DTFT | *Hideaki Kawano (i-SPES, Kyushu Univ.), Akira Sessai Yukimatu (NIPR, SOKENDAI), Nozomu Nishitani (ISEE, Nagoya Univ.), Yoshimasa Tanaka (NIPR, SOKENDAI, ROIS-DS), Tomoaki Hori (ISEE, Nagoya Univ.) |
| OSp9 | Preliminary evaluation of electron acceleration by whistler-mode waves in Mercury’s magnetosphere using test particle simulations | *Takahiro Watanabe (Kanazawa Univ.), Mitsunori Ozaki (Kanazawa Univ.), Satoshi Yagitani (Kanazawa Univ.) |
| OSp10 | Test Particle Simulations of Electron Precipitation Rates Induced by Whistler-Mode Waves in Mercury’s Polar regions | *Yuki Detambo (Kanazawa Univ.), Mitsunori Ozaki (Kanazawa Univ.), Satoshi Yagitani (Kanazawa Univ.) |