宇宙自然プラズマ波動の同時多点観測による励起・伝搬特性の三次元的理解と利活用

2020 年度 実施状況報告書

• 研究課題/領域番号: 20K14546
• 研究機関: 国立研究開発法人宇宙航空研究開発機構
• 研究代表者: 松田 昇也 国立研究開発法人宇宙航空研究開発機構, 宇宙科学研究所, 特任助教 (20772213)
• 研究期間 (年度): 2020-04-01 – 2022-03-31
• キーワード: あらせ衛星 / プラズマ波動 / 地球磁気圏 / 電磁イオンサイクロトロン波動

研究実績の概要

本研究では，地球磁気圏を飛翔する複数の科学衛星を用いて，複数地点から一つのプラズマ波動現象を捉え，その時間発展や空間変化を明らかにすることを目指している．本年度は，日本のArase衛星と米国のVan Allen probesとが同一磁力線上を異なる磁気緯度で飛翔した極めて貴重な例を取り上げ，磁力線沿いに伝搬する電磁イオンサイクロトロン(EMIC)波動の伝搬特性解析を行った．電磁イオンサイクロトロン波動は，ジオスペースの物理をコントロールする重要なプラズマ波動の一種である．解析から，プラズマ波動が伝搬中に成長していることや，南北両半球の特定の緯度で反射を繰り返し，特徴的なスペクトル構造を生み出す可能性があることを議論した．加えて，地上の2拠点に設置された誘導磁力計で同時刻に観測された電磁イオンサイクロトロン波動を解析し，衛星で観測された現象との同一性の議論や，伝搬遅延時間を測定することによる伝搬経路の推定を行った．スペクトル構造の類似性や，特徴的な放射の繰返しパターンから，2機の衛星と2つの地上拠点で同一の現象を観測したことを明らかにし，想定される励起領域の推定にも着手した．また，米国空軍のアクティブ実験衛星「DSX」との協調観測計画を立案・実施し，宇宙空間における人工電波放射・受信実験を進めている．Arase衛星で受信したプラズマ波動データの解析に着手するとともに，今後の共同観測の機会に向けて科学観測運用の立案を継続的に実施している．本研究を円滑に進めるための科学観測データの解析手法や精密データ較正に関しても検討を進めている．

現在までの達成度 (区分)

2: おおむね順調に進展している

理由

あらせ衛星によって観測されたデータの解析手法とデータ較正に関する検討を進め，学術雑誌や学会発表で成果を報告した．電磁イオンサイクロトロン波動の多地点観測成果については，現在論文執筆の最終段階にあり，本研究はおおむね順調に進展していると判断する．

今後の研究の推進方策

複数の衛星で得られたプラズマ波動観測データに加え，プラズマ粒子データの解析を実施して，伝搬経路上のプラズマ波動の成長を議論する．

次年度使用額が生じた理由

新型コロナウイルスの影響で国内出張や海外渡航計画に変更が生じたため．次年度は，延期された打ち合わせ旅費などに充当する．

研究成果

• [国際共同研究] University of Minnesota/University of Colorado Boulder(米国)
  • 国名: 米国
  • 外国機関名: University of Minnesota/University of Colorado Boulder
• [雑誌論文] Direct Antenna Impedance Measurement for Quantitative AC Electric Field Measurement by Arase (2021)
  • 著者名/発表者名: S. Matsuda, H. Kojima, Y. Kasahara, Y. Kasaba, A. Kumamoto, F. Tsuchiya, A. Matsuoka, Y. Miyoshi, I. Shinohara
  • 雑誌名: Journal of Geophysical Research: Space Physics 巻: - ページ: -
  • 査読あり
• [雑誌論文] ISEE_Wave: Interactive plasma wave analysis tool (2021)
  • 著者名/発表者名: S. Matsuda, Y. Miyoshi, S. Nakamura, M. Kitahara, M. Shoji, T. Hori, S. Imajo, C.-W. Jun, S Kurita, Y. Kasahara, A. Matsuoka, I. Shinohara
  • 雑誌名: Earth, Planets and Space 巻: - ページ: -
  • 査読あり / オープンアクセス
• [雑誌論文] Relationship between the locations of the mid‐latitude trough and plasmapause using GNSS‐TEC and Arase satellite observation data (2021)
  • 著者名/発表者名: Shinbori Atsuki, Otsuka Yuichi, Tsugawa Takuya, Nishioka Michi, Kumamoto Atsushi, Tsuchiya Fuminori, Matsuda Shoya, Kasahara Yoshiya, Matsuoka Ayako
  • 雑誌名: Journal of Geophysical Research: Space Physics 巻: - ページ: -
  • DOI: 10.1029/2020ja028943
  • 査読あり
• [雑誌論文] Data‐Driven Simulation of Rapid Flux Enhancement of Energetic Electrons With an Upper‐Band Whistler Burst (2021)
  • 著者名/発表者名: Saito S., Kurita S., Miyoshi Y., Kasahara S., Yokota S., Keika K., Hori T., Kasahara Y., Matsuda S., Shoji M., Nakamura S., Matsuoka A., Imajo S., Shinohara I.
  • 雑誌名: Journal of Geophysical Research: Space Physics 巻: 126 ページ: -
  • DOI: 10.1029/2020ja028979
  • 査読あり
• [雑誌論文] Extremely Collimated Electron Beams in the High Latitude Magnetosphere Observed by Arase (2021)
  • 著者名/発表者名: Kazama Y., Kojima H., Miyoshi Y., Kasahara Y., Kasahara S., Usui H., Wang B.‐J., Wang S.‐Y., Tam S. W. Y., Chang T.‐F., Asamura K., Kasaba Y., Matsuda S., Shoji M., Matsuoka A., Teramoto M., Takashima T., Shinohara I.
  • 雑誌名: Geophysical Research Letters 巻: 48 ページ: -
  • DOI: 10.1029/2020gl090522
  • 査読あり / 国際共著
• [雑誌論文] Over‐Darkening of Pulsating Aurora (2021)
  • 著者名/発表者名: Hosokawa K., Miyoshi Y., Oyama S.‐I., Ogawa Y., Kurita S., Kasahara Y., Kasaba Y., Yagitani S., Matsuda S., Ozaki M., Tsuchiya F., Kumamoto A., Takashima T., Shinohara I., Fujii R.
  • 雑誌名: Journal of Geophysical Research: Space Physics 巻: 126 ページ: -
  • DOI: 10.1029/2020ja028838
  • 査読あり
• [雑誌論文] Multi‐Event Analysis of Plasma and Field Variations in Source of Stable Auroral Red (SAR) Arcs in Inner Magnetosphere During Non‐Storm‐Time Substorms (2021)
  • 著者名/発表者名: Inaba, Y., K. Shiokawa, S.-I. Oyama, Y. Otsuka, M. Connors, I. Schofield, Y. Miyoshi, S. Imajo, A. Shinbori, Y. Gololobov, Y. Kazama, S. -Y. Wang, S. W. Y. Tam, T.-F. Chang, B. -J. Wang, K. Asamura, S. Yokota, S. Kasahara, K. Keika, T. Hori, A. Matsuoka, Y. Kasahara, A. Kumamoto, S. Matsuda, Y. Kasaba et al.
  • 雑誌名: Journal of Geophysical Research: Space Physics 巻: 126 ページ: -
  • DOI: 10.1029/2020ja029081
  • 査読あり / 国際共著
• [雑誌論文] Multievent Study of Characteristics and Propagation of Naturally Occurring ELF/VLF Waves Using High‐Latitude Ground Observations and Conjunctions With the Arase Satellite (2021)
  • 著者名/発表者名: Martinez‐Calderon C., Katoh Y., Manninen J., Santolik O., Kasahara Y., Matsuda S., Kumamoto A., Tsuchiya F., Matsuoka A., Shoji M., Teramoto M., Shinohara I., Shiokawa K., Miyoshi Y.
  • 雑誌名: Journal of Geophysical Research: Space Physics 巻: 126 ページ: -
  • DOI: 10.1029/2020ja028682
  • 査読あり / 国際共著
• [雑誌論文] Pitch‐Angle Scattering of Inner Magnetospheric Electrons Caused by ECH Waves Obtained With the Arase Satellite (2020)
  • 著者名/発表者名: Fukizawa M., Sakanoi T., Miyoshi Y., Kazama Y., Katoh Y., Kasahara Y., Matsuda S., Matsuoka A., Kurita S., Shoji M., Teramoto M., Imajo S., Sinohara I., Wang S.‐Y., Tam S. W.‐Y., Chang T.‐F., Wang B.‐J., Jun C.‐W.
  • 雑誌名: Geophysical Research Letters 巻: 47 ページ: -
  • DOI: 10.1029/2020gl089926
  • 査読あり / 国際共著
• [雑誌論文] First Direct Observations of Propagation of Discrete Chorus Elements From the Equatorial Source to Higher Latitudes, Using the Van Allen Probes and Arase Satellites (2020)
  • 著者名/発表者名: Colpitts Chris, Miyoshi Yoshizumi, Kasahara Yoshiya, Delzanno Gian Luca, Wygant John R., Cattell Cynthia A., Breneman Aaron, Kletzing Craig, Cunningham Greg, Hikishima Mitsuru, Matsuda Shoya, Katoh Yuto, Ripoll Jean‐Francois, Shinohara Iku, Matsuoka Ayako
  • 雑誌名: Journal of Geophysical Research: Space Physics 巻: 125 ページ: -
  • DOI: 10.1029/2020ja028315
  • 査読あり / 国際共著
• [雑誌論文] Detection of UHR Frequencies by a Convolutional Neural Network From Arase/PWE Data (2020)
  • 著者名/発表者名: Matsuda S., Hasegawa T., Kumamoto A., Tsuchiya F., Kasahara Y., Miyoshi Y., Kasaba Y., Matsuoka A., Shinohara I.
  • 雑誌名: Journal of Geophysical Research: Space Physics 巻: 125 ページ: -
  • DOI: 10.1029/2020ja028075
  • 査読あり
• [雑誌論文] Spatial Extent of Quasiperiodic Emissions Simultaneously Observed by Arase and Van Allen Probes on 29 November 2018 (2020)
  • 著者名/発表者名: Martinez‐Calderon C., Nemec F., Katoh Y., Shiokawa K., Kletzing C., Hospodarsky G., Santolik O. ,Kasahara Y., Matsuda S., Kumamoto A., Tsuchiya F., Matsuoka A., Shoji M., Teramoto M., Kurita S., Miyoshi Y., Ozaki M., Nishitani N., Oinats A. V., Kurkin V. I.
  • 雑誌名: Journal of Geophysical Research: Space Physics 巻: 125 ページ: -
  • DOI: 10.1029/2020ja028126
  • 査読あり / 国際共著
• [雑誌論文] Plasma Waves Causing Relativistic Electron Precipitation Events at International Space Station: Lessons From Conjunction Observations With Arase Satellite (2020)
  • 著者名/発表者名: Kataoka Ryuho, Asaoka Yoichi, Torii Shoji, Nakahira Satoshi, Ueno Haruka, Miyake Shoko, Miyoshi Yoshizumi, Kurita Satoshi, Shoji Masafumi, Kasahara Yoshiya, Ozaki Mitsunori, Matsuda Shoya, Matsuoka Ayako、Kasaba Yasumasa, Shinohara Iku, Hosokawa Keisuke, Uchida Herbert Akihito, Murase Kiyoka, Tanaka Yoshimasa
  • 雑誌名: Journal of Geophysical Research: Space Physics 巻: 125 ページ: -
  • DOI: 10.1029/2020ja027875
  • 査読あり
• [雑誌論文] Multiple time-scale beats in aurora: precise orchestration via magnetospheric chorus waves (2020)
  • 著者名/発表者名: Hosokawa K., Miyoshi Y., Ozaki M., Oyama S.-I., Ogawa Y., Kurita S., Kasahara Y.、Kasaba Y., Yagitani S., Matsuda S., Tsuchiya F., Kumamoto A., Kataoka R., Shiokawa K., Raita T., Turunen E., Takashima T., Shinohara I., Fujii R.
  • 雑誌名: Scientific Reports 巻: 10 ページ: -
  • DOI: 10.1038/s41598-020-59642-8
  • 査読あり / 国際共著
• [学会発表] Spatial displacement of single chorus element wave-electron interaction region deduced from flash aurora and ray tracing (2021)
  • 著者名/発表者名: Ozaki, M., T. Inoue, Y. Tanaka, Y. Goto, S. Yagitani, Y. Kasahara, K. Shiokawa, Y. Miyoshi, K. Hosokawa, S. Oyama, R. Kataoka, Y. Ebihara, Y. Ogawa, Y. Kasaba, A. Kumamoto, F. Tsuchiya, S. Matsuda, A. Kadokura, K. Imamura, A. Matsuoka, and I. Shinohara
  • 学会等名: URSI GASS 2021
  • 国際学会 / 招待講演
• [学会発表] Pitch Angle Scattering by Electrostatic Electron Cyclotron Harmonic Waves Based on Arase Observations (2021)
  • 著者名/発表者名: Fukizawa, M., T. Sakanoi, Y. Miyoshi, Y. Kazama, Y. Kasahara, S. Matsuda, A. Matsuoka, S-Y. Wang, S. W-Y. Tam
  • 学会等名: URSI GASS 2021
  • 国際学会
• [学会発表] Occurrence Characteristics of Large Amplitude Whistler Mode Chorus Waves Observed by the Arase Satellite (2021)
  • 著者名/発表者名: Kurita, S., Y. Miyoshi, Y. Kasahara, H. Kojima, S. Matsuda, A. Matsuoka, and I. Shinohara
  • 学会等名: URSI GASS 2021
  • 国際学会
• [学会発表] Magnetosonic Mode Waves as a Source of Plasmaspheric EMIC waves; Arase observations (2021)
  • 著者名/発表者名: Miyoshi, Y., K. Asamura, M. Shoji, S. Matsuda, S. Kurita, Y. Kasahara, O. Santolik, R. Horne, Y. Kasaba, A. Kumamoto, F. Tsuchiya, A. Matsuoka, and I. Shinohara
  • 学会等名: URSI GASS 2021
  • 国際学会 / 招待講演
• [学会発表] Spatial Distribution of Wave Spectra in the Inner Magnetosphere Observed by PWE/OFA on board the Arase (2021)
  • 著者名/発表者名: Kasahara, Y., K. Nakashima, S. Matsuda, Y. Miyoshi, A. Matsuoka, J.-F Rippol, and D. M. Malaspina
  • 学会等名: URSI GASS 2021
  • 国際学会
• [学会発表] Wave-Particle Interaction Analyzer for the direct measurement of the energy exchange through wave-particle interactions in the magnetosphere (2021)
  • 著者名/発表者名: Katoh, Y., H. Kojima, J. Miki, M. Hikishima, M. Kitahara, Y. Miyoshi, Y. Kasahara, S. Kasahara, S. Matsuda, T. Takashima, K. Asamura, T. Mitani, N. Higashio, A. Matsuoka, M. Ozaki, S. Yagitani, S. Yokota, and I. Shinohara
  • 学会等名: URSI GASS 2021
  • 国際学会
• [学会発表] Possible error estimations on the WPIA method and its application for nonlinear EMIC-proton interactions (2021)
  • 著者名/発表者名: Shoji, M., Y. Miyoshi, K. Asamura, A. Miyazaki, Y. Kasaba, Y. Kasahara, S. Matsuda, A. Matsuoka, and L. M. Kistler
  • 学会等名: URSI GASS 2021
  • 国際学会
• [学会発表] Isolated Electrostatic Potentials Observed by the Arase Satellite (2021)
  • 著者名/発表者名: Taki, T., S. Kurita, H. Kojima, Y. Kasahara, Y. Miyoshi, A. Matsuoka, and S. Matsuda
  • 学会等名: URSI GASS 2021
  • 国際学会
• [学会発表] Phase velocities of electron cyclotron harmonic waves and their relation to energies of cold electrons: Arase observations (2021)
  • 著者名/発表者名: Shinjo, A., H. Kojima, S. Nakamura, S. Kurita, Y. Kasahara, Y. Kazama, H. Usui, Y. Miyoshi, S. Matsuda, S.-Y. Wang, W. Y. Sunny, A. Kumamoto, and A. Matsuoka
  • 学会等名: URSI GASS 2021
  • 国際学会
• [学会発表] Evaluation of Automatic Determined UHR Frequencies by a Convolutional Neural Network (2021)
  • 著者名/発表者名: Matsuda, S., T. Hasegawa, A. Kumamoto, F. Tsuchiya, Y. Kasahara, Y. Miyoshi, Y. Kasaba, A. Matsuoka, and I. Shinohara
  • 学会等名: URSI GASS 2021
  • 国際学会
• [学会発表] Statistical study on spatial distribution of plasma waves observed by PWE/OFA (2021)
  • 著者名/発表者名: Kasahara, Y., K. Nakashima, S. Matsuda, Y. Miyoshi, A. Matsuoka, J.-F. Rippol, D. M. Malaspina
  • 学会等名: JpGU Meeting 2021
• [学会発表] Mode-coupling Pi2 pulsations on the off-equatorial plasmapause inferred from the Arase satellite observation (2021)
  • 著者名/発表者名: Teramoto, M., A. Matsuoka, Y. Kasahara, Y. Kasaba, A. Kumamoto, F. Tsuchiya, S. Matsuda, Y. Miyoshi, M. Nose, T. Nakagawa, S. Imajo, M. Shoji, S. Nakamura, I. Shinohara
  • 学会等名: JpGU Meeting 2021
• [学会発表] Spin-modulated components in Electric Field Detector (EFD) of Plasma Wave Experiment (PWE) aboard the Arase satellite (2021)
  • 著者名/発表者名: Nakamura, S., Y. Miyoshi, Y. Kasaba, T. Nakagawa, T. Hori, S. Matsuda, M. Shoji, A. Kumamoto, F. Tsuchiya, A. Matsuoka, Y. Kasahara
  • 学会等名: JpGU Meeting 2021
• [学会発表] Whistler Driven Electron Precipitation Measured by ELFIN CubeSat and Arase Spacecraft (2021)
  • 著者名/発表者名: Zhang, X., V. Angelopoulos, A. V. Artemyev, S. Kasahara, C. Wilkins, E. Tsai, S. Yokota, K. Keika, T. Hori, Y. Miyoshi, Y. Kasahara, S. Matsuda, A. Matsuoka, M. Teramoto, S. Imajo, I. Shinohara
  • 学会等名: JpGU Meeting 2021
• [学会発表] Long period modulations of pulsating aurora and chorus waves (2021)
  • 著者名/発表者名: Miyoshi, Y., K. Hosokawa, Y. Ogawa, S. Kurita, S. Oyama, M. Teramoto, S. Saito, Y. Kasahara, S. Matsuda, S. Kasahara, S. Yokota, K. Keika, T. Hori, F. Tsuchiya, A. Kumamoto, S. Nakamura, M. Kitahara, M. Shoji, A. Matsuoka, S. Imajo, I. Shinohara
  • 学会等名: JpGU Meeting 2021
• [学会発表] Energetic electron precipitation events as identified in the mesosphere during substorms (2021)
  • 著者名/発表者名: Murase, K., R. Kataoka, T. Nishiyama, K. Nishimura, T. Hashimoto, Y. Tanaka, A. Kadokura, Y. Tomikawa, M. Tsutsumi, H. A. Uchida, K. Sato, S. Kasahara, T. Mitani, S. Yokota, T. Hori, K. Keika, T. Takashima, Y. Kasahara, S. Matsuda, M. Shoji, A. Matsuoka, I. Shinohara, Y. Miyoshi, T. Sato
  • 学会等名: JpGU Meeting 2021
• [学会発表] Modulation of chorus intensity and UHR frequency in the off equatorial regions observed by the Arase satellite (2021)
  • 著者名/発表者名: Ampuku, Y., F. Tsuchiya, Y. Kasaba, S. Kurita, Y. Kasahara, S. Matsuda, A. Kumamoto, A. Matsuoka
  • 学会等名: JpGU Meeting 2021
• [学会発表] A Novel Calibration Method of Short Time Waveform Signals and its Approcation for the PWE/WFC Data (2021)
  • 著者名/発表者名: Kitahara, M., S. Matsuda, Y. Katoh, Y. Kasahara, H. Kojima, Y. Miyoshi, M. Hikishima
  • 学会等名: JpGU Meeting 2021
• [学会発表] Analysis of Langmuir waves caused by Chorus observed by the Arase satellite (2021)
  • 著者名/発表者名: Yoshida, T., S. Kurita, T. Zushi, H. Kojima, Y. Kasahara, S. Matsuda, A. Matsuoka
  • 学会等名: JpGU Meeting 2021
• [学会発表] Radiation characteristics of upper-band and lower-band chorus emissions in the generation region deduced from the Arase observation (2021)
  • 著者名/発表者名: Hayashi, S., S. Kurita, H. Kojima, Y. Kasahara, S. Matsuda, A. Matsuoka, I. Shinohara, Y. Miyoshi
  • 学会等名: JpGU Meeting 2021
• [学会発表] Isolated Electrostatic Potentials Observed by the Arase Satellite (2021)
  • 著者名/発表者名: Taki, T., S. Kurita, H. Kojima, Y. Kasahara, Y. Miyoshi, A. Matsuoka, S. Matsuda
  • 学会等名: JpGU Meeting 2021
• [学会発表] Plasma waves causing 20 Hz intensity modulation of pulsating aurora: High-speed Tjornes-Arase-Syowa conjugate observation (2021)
  • 著者名/発表者名: Uchida H. A., R. Kataoka, K. Murase, S. Matsuda, Y. Kasahara, M. Shoji, Y. Miyoshi, I. Shinohara, A. Matsuoka, S. Kurita, K. Hosokawa, S. Imajo
  • 学会等名: JpGU Meeting 2021
• [学会発表] Development of ISEE_Wave; Interactive Plasma Wave Analysis Tool (2021)
  • 著者名/発表者名: Matsuda, S., Y. Miyoshi, S. Nakamura, M. Kitahara, M. Shoji, T. Hori, S. Imajo, C.-W. Jun, S. Kurita, Y. Kasahara, A. Matsuoka, I. Shinohara
  • 学会等名: JpGU Meeting 2021
• [学会発表] Statistical analyses of low energy ion heating by electromagnetic ion cyclotron waves via wave-particle interaction analyses: Arase observations (2021)
  • 著者名/発表者名: Shoji, M., Y. Miyoshi, L. M. Kistler, K. Asamura, Y. Kasaba, A. Matsuoka, Y. Kasahara, S. Matsuda, F. Tsuchiya, A. Kumamoto, S. Nakamura, M. Kitahara, S. Imajo, C.-W. Jun, I. Shinohara
  • 学会等名: JpGU Meeting 2021
• [学会発表] The influence of EMIC (ElectroMagnetic Ion Cyclotron) wave-interaction on energetic protons in the magnetosphere using Arase observations (2021)
  • 著者名/発表者名: Jun, C.-W., Y. Miyoshi, S. Nakamura, S. Imajo, M. Shoji, C. Yue, J. Bortnik, L. Lyons, Y. Kasahara, Y. Kasaba, F. Tsuchiya, A. Kumamoto, S. Matsuda, K. Asamura, I. Shinohara, A. Matsuoka
  • 学会等名: JpGU Meeting 2021
• [学会発表] Statistical Analysis of Latitudinal Electron Density Distribution in the Plasmasphere (2021)
  • 著者名/発表者名: Hambara, A., Y. Obana, Y. Miyashita, A. Shinbori, Y. Otsuka, A. Kumamoto, F. Tsuchiya, S. Matsuda, A. Matsuoka, Y. Kasahara, Y. Miyoshi, I. Shinohara, W. S. Kurth, C. A. Kletzing, C. W. Smith, R. J. MacDowall
  • 学会等名: JpGU Meeting 2021
• [学会発表] Collaborative Study on Plasma WavesSimultaneously Observed by Arase and VanAllen Probes (2020)
  • 著者名/発表者名: Kasahara, Y. S. Matsuda, Y.Miyoshi, F. Tsuchiya, A. Kumamoto,A. Matsuoka,O. Santolik, I.Kolmasova, G. Hospodarsky, C. Kletzing, C. Colpitts, and J. Wygant
  • 学会等名: VERSIM 2020
  • 国際学会 / 招待講演
• [学会発表] Wide energy electron precipitations by choruswaves: Arase-EISCAT coordinated observations (2020)
  • 著者名/発表者名: Miyoshi, Y., K. Hosokawa, S. Saito, S. Kurita, S.-I. Oyama, Y. Ogawa, A. Kero, E. Turunen, S. Kasahara, S. Yokota, T. Hori, K. Keika, T. Mitani, T. Takashima, N. Higashio, I. Shinohara, Y. Kasahara, S. Matsuda, A. Kumamoto, F. Tsuchiya, A. Matsuoka
  • 学会等名: VERSIM 2020
  • 国際学会 / 招待講演
• [学会発表] Multi-Point Measurements of Whistler ModeWaves in the Outer Van Allen Belt (2020)
  • 著者名/発表者名: Santolik, O., G. B. Hospodarsky, Y. Kasahara, J. S. Pickett, S. Matsuda, Y. Miyoshi, W. S. Kurth, and C. A. Kletzing
  • 学会等名: VERSIM 2020
  • 国際学会 / 招待講演
• [学会発表] Characteristics of ELF/VLF Emissions FromMulti-Point Ground and Space Conjugated Events (2020)
  • 著者名/発表者名: Martinez, C., Y. Katoh, J. Manninen, O. Santolik, Y. Kasahara, S. Matsuda, A. Kumamoto, F. Tsuchiya, A. Matsuoka, M. Shoji, M. Teramoto, I. Shinohara, K. Shiokawa, and Y. Miyoshi
  • 学会等名: VERSIM 2020
  • 国際学会 / 招待講演
• [学会発表] Direct detection of nonlinear generation processof electromagnetic ion cyclotron emissions observed by the Arase spacecraft (2020)
  • 著者名/発表者名: Shoji, M., Y. Miyoshi, L. M. Kistler, K. Asamura, Y. Kasaba, S. Matsuda, Y. Kasahara, A. Matsuoka, M. Teramoto, T. Takashima, and I. Shinohara
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] Pitch Angle Scattering by Electrostatic Electron Cyclotron Harmonic Waves Based on Arase Observations (2020)
  • 著者名/発表者名: Fukizawa, M., T. Sakanoi, Y. Miyoshi, Y. Kazama,Y. Kasahara, S. Matsuda, A. Matsuoka, S-Y. Wang, S. W-Y. Tam
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] Spatial Distributions of EMIC Waves Depending on Geomagnetic Conditions During the Van Allen Probes and ERG era (2020)
  • 著者名/発表者名: Jun, C., Y. Miyoshi, C. Yue, J. Bortnik, L. Lyons, Y. Nishimura, C. Kletzing, Y. Kasahara, Y. Kasaba, S. Matsuda, M. Shoji, F. Tsuchiya, A. Kumamoto, A. Matsuoka, and I. Shinohara
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] Pi2 pulsations observed by the Arase satelliteinside and outside the plasmasphere (2020)
  • 著者名/発表者名: Teramoto, M., A. Matsuoka, Y. Kasahara, Y. Kasaba, A. Kumamoto, F. Tsuchiya, S. Matsuda, M. Nose, R. Nomura, S. Kurita, M. Shoji, S. Imajo, Y. Miyoshi, and I. Shinohara
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] A Systematic Study in Characteristics of LowerBand Rising-Tone Chorus Elements (2020)
  • 著者名/発表者名: Shue, J. H., Y. Nariyuki, Y. Katoh, S. Saito, Y. Kasahara, Y. Hsieh, S. Matsuda, Y. Goto
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] Arase observation of electron pitch angle scattering by Electrostatic Cyclotron Harmonic waves (2020)
  • 著者名/発表者名: Kurita, S., Y. Miyoshi, S. Kasahara, S. Yokota, Y. Kasahara, S. Matsuda, A. Matsuoka, K. Keika, T. Hori, and I. Shinohara
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] Correlations of low-energy electrons with chorus emissions observed by ERG: An event study (2020)
  • 著者名/発表者名: Kazama, Y., H. Kojima, Y. Miyoshi, Y. Kasahara, H. Usui, I. Shinohara, B.-J. Wang, S.-Y. Wang, S. Tam, T.-F. Chang, K. Asamura, A. Kumamoto, F. Tsuchiya, Y. Kasaba, S. Matsuda, M. Shoji, A. Matsuoka, M. Teramoto, and T. Takashima
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] Field-Aligned Electron Density Distribution inthe Inner Magnetosphere Obtained From Coordinated Observations of Arase and Van Allen Probes (2020)
  • 著者名/発表者名: Obana, Y., Y. Miyashita, N. Maruyama, A. Shinbori, M. Nose, Y. Otsuka, A. Kumamoto, F. Tsuchiya, S. Matsuda, A. Matsuoka, Y. Kasahara, Y. Miyoshi, I. Shinohara, W. Kurth, C. Kletzing, C. Smith, and R. MacDowall
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] Isolated Electrostatic Potential StructuresObserved by the Arase Satellite (2020)
  • 著者名/発表者名: Taki, T., H. Kojima, Y. Kazama, Y. Kasahara, Y. Miyoshi, I. Shinohara, H. Usui, S. Matsuda, S. Wang, S. Tam, and A. Matsuoka
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] Identifying the Physical Mechanisms to Explain the Extreme Plasmaspheric Erosion for the September 2017 Storm (2020)
  • 著者名/発表者名: Maruyama, N., A. Menz, Y. Obana, M. Fok, C. Ferradas, A. Shinbori, K. Hashimoto, M. Fedrizzi, M. Nose, Y. Otsuka, N. Nishitani, T. Hori, A. Kumamoto, F. Tsuchiya, S. Matsuda, A. Matsuoka, Y. Kasahara, A. Yoshikawa, Y. Miyoshi, and I. Shinohara
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] Evaluation of Automatic Electron Density Determination by using a Convolutional Neural Network (2020)
  • 著者名/発表者名: Matsuda, S., T. Hasegawa, A. Kumamoto, F. Tsuchiya, Y. Kasahara, Y. Miyoshi, Y. Kasaba, A. Matsuoka, I. Shinohara
  • 学会等名: VERSIM 2020
  • 国際学会
• [学会発表] Relationship between the locations of the mid-latitude trough and plasmapause by global GNSS-TEC and Arase satellite measurements (2020)
  • 著者名/発表者名: Shinbori, A., Y. Otsuka, T. Tsugawa, M. Nishioka, A. Kumamoto, F. Tsuchiya, S. Matsuda, Y. Kasahara, A. Matsuoka
  • 学会等名: 地球電磁気・地球惑星圏学会
• [学会発表] A comprehensive study of EMIC (ElectroMagnetic Ion Cyclotron) waves observed by the Van Allen Probes and Arase satellites (2020)
  • 著者名/発表者名: Jun C.-W., Y. Miyoshi, S. Nakamura, S. Imajo, C. Yue, J. Bortnik, L. Lyons, C. Kletzing, Y. Kasahara, Y. Kasaba, S. Matsuda, M. Shoji, F. Tsuchiya, A. Kumamoto, A. Matsuoka, I. Shinohara, Y. Nishimura
  • 学会等名: 地球電磁気・地球惑星圏学会
• [学会発表] Statistical analyses of low energy ion heating by EMIC waves via WPIA: Arase observations (2020)
  • 著者名/発表者名: Shoji, M., Y. Miyoshi, L. Kistler, K. Asamura, Y. Kasaba, A. Matsuoka, Y. Kasahara, S. Matsuda, F. Tsuchiya, A. Kumamoto, S. Nakamura, M. Kitahara, S. Imajo, C.-W. Jun, I. Shinohara
  • 学会等名: 地球電磁気・地球惑星圏学会
• [学会発表] Isolated electrostatic potential structures observed by the Arase satellite (2020)
  • 著者名/発表者名: Taki, T., H. Kojima, S. Kurita, Y. Kasahara, Y. Miyoshi, I. Shinohara, H. Usui, Y. Kazama, S. Matsuda, S.-Y. Wang, Sunny W. Y. Tam, A. Matsuoka
  • 学会等名: 地球電磁気・地球惑星圏学会
• [学会発表] Occurrence characteristics of large amplitude whistler-mode chorus waves observed by the Arase satellite (2020)
  • 著者名/発表者名: Kurita, S., Y. Miyoshi, Y. Kasahara, H. Kojima, S. Matsuda, S. Kasahara, S. Yokota, A. Matsuoka, I. Shinohara
  • 学会等名: 地球電磁気・地球惑星圏学会
• [学会発表] Fine scale structures of chorus elements characterizing internal modulation of pulsating aurora (2020)
  • 著者名/発表者名: Ebukuro, S., K. Hosokawa, Y. Miyoshi, S. Oyama, Y. Ogawa, S. Kurita, Y. Kasahara, S. Kasahara, A. Matsuoka, K. Keika, T. Hori, S. Yokota, S. Matsuda, M. Shoji, M. Kitahara, S. Nakamura, S. Imajo, I. Shinohara, R. Fujii
  • 学会等名: 地球電磁気・地球惑星圏学会
• [学会発表] Resolving the evolution of pulsating aurora: High-speed Tjornes-Arase-Syowa conjugate observation (2020)
  • 著者名/発表者名: Uchida, H. A., R. Kataoka, K. Murase, S. Matsuda, Y. Kasahara, M. Shoji, Y. Miyoshi, I. Shinohara, A. Matsuoka, S. Kurita, K. Hosokawa, S. Imajo
  • 学会等名: 地球電磁気・地球惑星圏学会
• [学会発表] Simulation on rapid flux change of energetic electrons in the upper-band whistler burst event observed by Arase (2020)
  • 著者名/発表者名: Saito, S., Y. Miyoshi, S. Kurita, Y. Kasahara, S. Matsuda, F. Tsuchiya, A. Kumamoto, M. Shoji, S. Kasahara, S. Yokota, K. Keika, T. Hori, A. Matsuoka, I. Shinohara
  • 学会等名: 地球電磁気・地球惑星圏学会
• [学会発表] Statistical investigation of cross energy coupling during magnetic storms (2020)
  • 著者名/発表者名: Miyoshi, Y., S. Kurita, I. Park, T. Mitani, I. Shinohara, S. Kasahara, S. Yokota, K. Keika, T. Hori, N. Higashio, S. Imajo, C.-W. Jun, A. Matsuoka, Y. Kasahara, S. Matsuda, F. Tsuchiya, A. Kumamoto, M. Shoji
  • 学会等名: 地球電磁気・地球惑星圏学会
• [学会発表] Waveform of DC to low-frequency electric field data obtained by PWE/EFD onboard the Arase satellite (2020)
  • 著者名/発表者名: Nakagawa, T., Y. Kasaba, M. Shoji, S. Nakamura, T. Hori, Y. Miyoshi, M. Kitahara, S. Matsuda, H. Kojima, Y. Kasahara, I. Shinohara
  • 学会等名: 地球電磁気・地球惑星圏学会
• [学会発表] Onboard impedance measurement of the wire-probe antennas aboard Arase (2020)
  • 著者名/発表者名: Matsuda, S., Y. Kasahara, H. Kojima, Y. Kasaba, A. Kumamoto, F. Tsuchiya, Y. Miyoshi, I. Shinohara
  • 学会等名: 地球電磁気・地球惑星圏学会