Yoshikawa Akimasa

ヨシカワアキマサ | Yoshikawa Akimasa

Affiliation and department：
Job title： Professor
Other affiliations (1)：

Kyushu University International Research Center for Space and Planetary Environmental Acience Professor, Director

Research field (2)： Space and planetary science , Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics

Research theme for competitive and other funds (94)：

2022 - 2029 International joint research of geospace variability by combining multi-point ground and satellite observations and modeling
2021 - 2026 Study of latitudinal coupling of upper atmospheric variations based on multi-point ground network observations
2022 - 2025 オーロラ嵐時の電離圏全球電場構造・電流クロージャー形成の解明
2021 - 2025 自律型電離圏観測による赤道ジェット電流-プラズマバブル発生/抑制モデルの実証
2020 - 2023 Exploring the Magnetosphere-Ionosphere coupling process: emergence of magnetospheric dynamics

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Papers (287)：

Kirolosse M. Girgis, Tohru Hada, Akimasa Yoshikawa, Shuichi Matsukiyo, Viviane Pierrard, Susan W. Samwel. Geomagnetic Storm Effects on the LEO Proton Flux During Solar Energetic Particle Events. Space Weather. 2023. 21. 12
Yuki Nakamura, Koichiro Terada, Chihiro Tao, Naoki Terada, Yasumasa Kasaba, François Leblanc, Hajime Kita, Aoi Nakamizo, Akimasa Yoshikawa, Shinichi Ohtani, et al. Simulation of Dawn-To-Dusk Electric Field in the Jovian Inner Magnetosphere via Region 2-Like Field-Aligned Current. Journal of Geophysical Research: Space Physics. 2023. 128. 6
S. A. Bello, M. Abdullah, N. S.A. Hamid, K. A. Yusuf, A. Yoshikawa, A. Fujimoto. Robust least square modelling for selected daytime ionospheric parameters using geomagnetic observations at low latitudes. Advances in Space Research. 2023
Gabriel Soares, Yosuke Yamazaki, Achim Morschhauser, Jurgen Matzka, Katia J. Pinheiro, Claudia Stolle, Patrick Alken, Akimasa Yoshikawa, Kornyanat Hozumi, Atul Kulkarni, et al. Using Principal Component Analysis of Satellite and Ground Magnetic Data to Model the Equatorial Electrojet and Derive Its Tidal Composition. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. 2022. 127. 9
Nur Izzati Mohd Rosli, Nurul Shazana Abdul Hamid, Mardina Abdullah, Khairul Adib Yusof, Akimasa Yoshikawa, Teiji Uozumi, Babatunde Rabiu. The Variation of Counter-Electrojet Current at the Southeast Asian Sector during Different Solar Activity Levels. APPLIED SCIENCES-BASEL. 2022. 12. 14

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MISC (307)：

Hayato Higuchi, Juan William Pedersen, Akimasa Yoshikawa. Quantum Calculation of Classical Kinetic Equations: A Novel Approach for Numerical Analysis of 6D Boltzmann-Maxwell Equations in Collisionless Plasmas Using Quantum Computing. 2023
北村健太郎, 増井博一, 魚住禎司, 寺本万里子, 藤本晶子, CHO Meng, 阿部修司, 吉川顕正. An Education Program for CubeSat Development Under Collaboration Between Engineering and Science Faculties in Different Universities. 宇宙科学技術連合講演会講演集(CD-ROM). 2023. 67th
久永, 学実, 池田, 昭大, 藤本, 晶子, 古川, 翔大, 吉川, 顕正, 魚住, 禎司, 阿部, 修司. シューマン共鳴の経験モデルの作成. 2022. E-19
Manjula Ranasinghe, Akiko Fujimoto, Akimasa Yoshikawa, Chandana Jayaratne. Seasonal variation of inter-hemispheric field-aligned currents deduced from time-series analysis of the equatorial geomagnetic field data during solar cycle 23-24. Earth, Planets and Space. 2021. 73. 1
安永, 朗宏, 藤本, 晶子, 吉川, 顕正. 磁気赤道域における特異的な太陽フレア効果(SFE*)の発生要因の探究-Research on the causes of specific solar flare effects (SFE∗) in the dip equator. 2021. R010-14

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Books (3)：

Earth’s Ionosphere: Theory and Phenomenology of Cowling Channels, in Electric Currents in Geospace and Beyond
John Wiley & Sons, Inc, Hoboken, N.J. 2018
Earth's ionosphere Theory and phenomenology of cowling channels
wiley 2018
Resonant Cavities and Waveguides in the Ionosphere and Atmosphere, Magnetospheric ULF Waves: Synthesis and New Directions
AGU, Washington, D. C. 2006

Lectures and oral presentations (658)：

磁気圏電離圏結合の展開とその基礎論
(EISCAT研究集会 2021)
Schumann resonance parameters at Kuju during solar flares and solar proton events
(地球電磁気・地球惑星圏学会第148回総会・講演会(2020年秋学会) 2020)
Implementation of SDR-based scintillation detector system and preliminary observation with magnetometer and radar
(地球電磁気・地球惑星圏学会第148回総会・講演会(2020年秋学会) 2020)
Seasonal dependence of semidiurnal equatorial magnetic variation during quiet and disturbed periods
(地球電磁気・地球惑星圏学会第148回総会・講演会(2020年秋学会) 2020)
サブストームオンセットにおける中緯度電離圏全球応答の精査
(地球電磁気・地球惑星圏学会第148回総会・講演会(2020年秋学会) 2020)

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Works (1)：

宇宙天気概況解析実験マニュアル
Yoshikawa A., and A. Nakamizo 2006 -

Education (3)：

1990 - 1995 Kyushu University Graduate School, Division of Natural Science
1989 - 1990 Kyushu University
- 1989 Yamaguchi University Faculty of Science

Professional career (3)：

(BLANK) (Kyushu University)
(BLANK) (Kyushu University)
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Committee career (48)：

2021/04 - 2024/03 第25期日本学術会議地球惑星科学国際連携分科会 SCOSTEP-STPP小委員会(副委員長)
2021/04 - 2022/03 九州大学国際化推進室委員
2021/04 - 2022/03 九州大学学生支援委員会
2019/04 - 2022/03 日本地球惑星科学連合学生賞小委員会委員
2019/02 - 2022/03 地球電磁気・地球惑星圏学会オーロラメダル賞選考委員会(主管)

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Awards (2)：

2015/05 - 地球電磁気・地球惑星圏学会田中館賞磁気圏電離圏結合系の理論的研究
2001/12 - 九州大学第一回年九州大学総長賞

Association Membership(s) (6)：

アメリカ地球物理学連合米国(AMERICAN GEOPRSICAL UNION) , Society of Geomagnetism and Earth, Planetary and Space Sciences , Japan Geoscience Union , European Geophysical Union , American Geophysical Union , COMMITTEE ON SPACE RESEARCH

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