Fujii Ryoichi 藤井良一

… Alternative Names

藤井良一フジイリヨウイチ

FUJII Ryoichi 藤井良一

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Researcher Number	00132712
Other IDs
Affiliation (Current)	2025: 名古屋大学, 宇宙地球環境研究所, 名誉教授
Affiliation (based on the past Project Information) *help	2021: 名古屋大学, 宇宙地球環境研究所, 名誉教授 2017 – 2019: 名古屋大学, 宇宙地球環境研究所, 名誉教授 2016: 名古屋大学, 宇宙地球環境研究所, 特任教授 2015: 名古屋大学, 太陽地球環境研究所, 教授 1995 – 2013: Nagoya Univ., Solar-Terrestrial Environment Laboratory, Professor, 太陽地球環境研究所, 教授 … More 1992 – 1995: Assoc. Prof. ; Solar-Terrestrial Environment Laboratory, Nagoya University, 太陽地球環境研究所, 助教授 1991: 国立極地研究所, 超高層物理部門, 助手 1988 – 1991: Research Associate of Research Division in NIPR, 研究系, 助手 1986: 国立極地研究所, 研究系, 助手 Less
Review Section/Research Field	Principal Investigator Space and upper atmospheric physics / Space and upper atmospheric physics Except Principal Investigator Space and upper atmospheric physics / Space and upper atmospheric physics / Space and upper atmospheric physics / Geography / Science and Engineering
Keywords	Principal Investigator EISCAT / 電離圏 / 磁気圏 / EISCATレーダー / 熱圏 / オーロラ帯 / auroral zone / 極冠域 / 中間圏 / EISCAT radar … More / ISレーダー / ESR / Incoherent Scatter radar / mesosphere / thermosphere / ionosphere / magnetosphere / スヴァールバル / 非干渉性散乱レーダー / Ionosphere / 中性大気 / レーダー / イオン流出 / 超高層大気 / 極域 / 磁気圏-電離圏結合 / トロムソ / 高速撮像 / シミュレーション / あらせ衛星 / 高速変調 / 波動粒子相互作用 / ロケット観測 / 衛星-地上同時観測 / 高速変動 / 脈動オーロラ / Polar cap / Solar wind / Mesosphere / Thermosphere / Magnetoshpere / 太陽風 / IS spectra / Svalbard EISCAT radar / high latitude ionosphere / polar cap region / ion heating / ion outflow / ISスペクトル / スヴァールバル欧州非干渉散乱レーダー / 高緯度電離圏 / イオン加熱 / neutral wind / ネットワーク / データア-カイブ / polar cap / 国際協同計画 / 大気圏 / 圏冠域 / アイスキャット / collaborative research / Database / Global / Neutral atmosphere / Magnetosphere / Electrodynamics / 人工衛星 / 共同利用 / データベース / EISCATレーダ / グローバル / エレクトロダイナミクス / 超高層物理学 / 北極域 / 国際協力 / ノルウェー / 国際研究者交流 / 地上観測機器 / 国際共同 / 超高層大気物理 / リモートセンシング / ジオスペース / ロングイアビン / オーロラ / デルタ2キャンペーン / 北極電離圏 / 電流 / カスプ / 北欧 / 電離圏加熱 / プロトンイメージャ / 電気伝導度 / 電離圏電流 / 沿磁力線電流 / 電離圏加熱実験 / 光学観測機器 / プロトンオーロラ / ポーラーキャップ / スヴァールバルレーダー … More Except Principal Investigator EISCAT / EISCATレーダー / 磁気圏 / 電離圏 / オーロラ / 極域 / ionosphere / 中間圏 / 下部熱圏 / EISCAT radar / 中性風 / Magnetosphere / 沿磁力線電流 / IS radar / Svalbard / Aurora / 南極 / 共役点 / 地磁気共役点 / ISレーダー / VLF / ULF / CNA / ESR / polar region / 北極域 / magnetosphere / 熱圏 / aurora / mesosphere / thermosphere / オーロラ帯 / 非干渉性散乱レーダー / サブストーム / GPS-TEC / 磁気嵐 / STEP / 地磁気脈動 / Spitsbergen / ディッシュアンテナ / ISレーダ / 日欧協力 / スピッツベルゲン / ELF / 地磁気変動 / オ-ロラ / アイスランド / 南極昭和基地 / Substorm / 電磁気圏 / 大気圏 / スヴァールバル / オーロラ生成機構 / オーロラダイナミックス / オーロラ輝線 / Pg脈動 / Pc5脈動 / 磁気圏構造 / 共役性 / Magnetosphere-Ionosphere-therm sphere-mesosphere coupling / model simulation / Longyearbyen / Tromso / lower thermosphere / EISCAT Radar / 磁気圏-電離圏-熱圏-中間圏結合 / シミュレーション / ロングイアビン / トロムソ / Thermospheric wind / Field-aligned current / Electric field / ionospheric conductivity / Thermosphere / Ionosphere / Hall-MHF simulation / 熱圏中性風 / 電場 / 電気伝導度 / Hall-MHDシミュレーション / Total reflection height / Geomagnetically quiet perkid / MF radar / neutral wind / Polar region / Mesosphere / lower Thermosphere / 地磁気静隠時 / 全反射高度 / 地磁気静穏時 / MFレーダー / 中世風 / geomagnetic conjugacy / HF radar / SuperDARN / プラズマ現象 / レーダー / 衛星 / 極域電磁圏・熱圏 / Super DARNレーダー / 地磁気共役点観測 / SuperDARNレーダー / 共役点観測 / 北極 / フラズマ対流 / HFレーダー / auroral zone / upper atmosphere / Incoherent Scatter radar / 超高層大気 / 磁気圈 / E-region / wind / EISCATレーダ / 極域E層 / 大気重力波 / 平均風 / 季節変化 / E層 / Ring current / Auroral electrojet / Activity indices / Interplanetary magnetic field / Solar wind / Geomagnetic variation / Magnetic storms / 太陽嵐 / 環電流 / オーロラ・ジェット電流 / 地磁気活動指数 / 惑星間空間磁場 / 太陽風 / Database / Polar ionosphere / Svalbard radar / Winds / Auroral particles / TECメータ / オーロラ域 / 全電子数(TEC) / プラズマ圏 / GPS / データベース / 極域中層・超高層大気圏 / スヴァールバルISレーダー計画 / オーロラ粒子 / Cusp and polar cap region / Radar system / Dish antenna / EISCAT Scientific Association / Japan-EISCAT collaboration / カスプ域 / ディシュアンテナ / 日欧協同 / カスプ・極冠域 / レーダシステム / EISCAT科学協会 / Greenland / Canadian polar region / Monochromatic low light imaging / Auroral imaging with all-sky TV camera / Aurora network observation / Ground based magnetometer network / パルセイティングオーロラ / 地上磁場 / カナダ極域 / 多点観測 / スバルバール / グリンランド / ナダ極域 / 単色光撮像 / 全天TV撮像 / オーロラ多点観測 / 地上磁場観測 / Magnetic pulsations / Solar-terrestrial / Antarctica / Magnetometer / Satellite observastions / AGO / EISCATレ-ダ- / 磁場デ-タ / オ-ロラ画像デ-タ / 超高層現象 / 南極無人観測 / 磁気圏対流 / 人工衛星観測 / 磁気圏磁場 / 磁気圏現象 / share / dish antenna / Japan-Europe collaboration / Cusp region / フェ-ズド・アレ-・レ-ダ / レ-ダ・システム / ISレ-ダ / スヴァルバ-ド / 分担協力 / カスプ領域 / スヴァルバード / Human Activity / Anatarctica / Conjugate Point / HF Wave / ULF Wave / VLF Wave / Electromagnetic Noise / Solar Activity / 日照 / 南極の昭和基地 / ULF帯波動 / HF帯波動 / 電離層 / 日照効果 / 人間活動 / 太陽活動 / 電磁環境 / 電磁波動 / VLF waves / Iceland / Syowa Station / Non-conjugacy / Conjugacy / Geomagnetic Conjugate point / 昭和基地 / プラズマ波動 / リオメ-タ / Magnetospheric Radial Current / Dipolarization / Ion Alfven Layer / Central Plasma Sheet / Region 2 Field-Aligned Current / Region 1 Field-Aligned Current / ダイポ-ラリゼイション / サブスト-ム / イオンアルヴェン層 / セントラルプラズマシ-ト / NBZ沿磁力線電流系 / Region2沿磁力線電流系 / Region1沿磁力線電流系 / 影響評価 / 気候変化 / 太陽 / 地球環境問題 / 環境理学 / オーロラトモグラフィ / 夜光トモグラフィ / 電磁気圏ダイナミックス / 衛星同時観測 / 数値モデリング / オーロラ大気光トモグラフィ / 電磁圏ダイナミックス / 中層大気 / 大気潮汐波・重力波 / 流星レーダー / 大気光・オーロラ光学観測 / プラズマ流出 / 国際協同 / ダイナミクス / 物質輸送 / 極冠域 / スヴァールバルレーダー / 極域電離圏物理 / 国際協同計画 Less

Study of the fastest aurora variations by high-seed observationsPrincipal Investigator
- Principal Investigator
  
  Fujii Ryoichi
- Project Period (FY)
  2015 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
International collaborative research of geospace by using EISCAT radarPrincipal Investigator
- Principal Investigator
  
  FUJII Ryoichi
- Project Period (FY)
  2010 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Comprehensive research on magnetosphere -ionosphere-thermosphere-mesosphere coupling process using the EISCAT radars and other instrumentsPrincipal Investigator
- Principal Investigator
  
  FUJII Ryoichi
- Project Period (FY)
  2006 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Study on the active role of the ionosphere in the Magnetosphere-Ionosphere coupling processPrincipal Investigator
- Principal Investigator
  
  FUJII Ryoichi
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
環境理学の振興
- Principal Investigator
  
  野上道男
- Project Period (FY)
  2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geography
- Research Institution
  Nihon University
Research on the coupling process between the lower thermosphere and the mesosphere in the polar region by using radar observations and model predictions
- Principal Investigator
  
  NOZAWA Satonori
- Project Period (FY)
  2004 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Research on the coupling process between the Magnetosphere-Ionosphere-Thermosphere by using HALL-MHD simulation predictions
- Principal Investigator
  
  SHINAGAWA Hiroyuki
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Research on upper atmosphere with EISCAT radars based upon international collaborations.Principal Investigator
- Principal Investigator
  
  FUJII Ryoichi
- Project Period (FY)
  2000 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
北極域における中層大気・熱圏の力学的結合
- Principal Investigator
  
  ASO Takehiko
- Project Period (FY)
  1999 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  National Institute of Polar Research
Research on thegeneration mechanisms of ion upflow in the polar cap ionosphere by using ESR.Principal Investigator
- Principal Investigator
  
  FUJII Ryoichi
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Research on the atmospheric dynamics in the polar raesosphere/thermosphere
- Principal Investigator
  
  NOZAWA Satonori
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
International Collaboration Research Using the EISCATRadars
- Principal Investigator
  
  KOKUBUN Susumu
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Conjugate study on electromagnetic dynamics of polar ionosphere using SuperDARN HF radars and ground-based observations
- Principal Investigator
  
  SATO Natsuo
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (A).
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  National Institute of Polar Research
極冠域における大気圏・電磁気圏間のエネルギーと物質輸送
- Principal Investigator
  
  國分征
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Comprehensive resarch on magnetoshere-ionosphere-thermosphere-mesosphere using the EISCAT Svalbard radarPrincipal Investigator
- Principal Investigator
  
  FUJII Ryoichi
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Research on polar upper atmosphere using the EISCAT Svalbard radarPrincipal Investigator
- Principal Investigator
  
  FUJII Ryoichi
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
日本-EISCATスヴァールバルISレーダに関する国際共同研究
- Principal Investigator
  
  KOKUBUN Susumu
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  Nagoya University
日本のEISCATレーダ参加へ向けての準備・検討Principal Investigator
- Principal Investigator
  
  藤井良一
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Co-operative Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Auroral E-region neutral wind by EISCAT radar
- Principal Investigator
  
  NOZAWA Satonori
- Project Period (FY)
  1995 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Magnetic Storms
- Principal Investigator
  
  KAMIDE Yohsuke
- Project Period (FY)
  1994 – 1996
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Polar Network Observation : Auroral & Magnetic Field Dynamics thermosphere
- Principal Investigator
  
  HAYASHI Kanji
- Project Period (FY)
  1993 – 1995
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  University of Tokyo
International Joint Research on Spitsbergen IS Radar
- Principal Investigator
  
  MATUURA Nobuo
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  Nogoya University
Relation between Changes in the Arctic Middle and Upper Atmosphere and Influences of Solar Particles
- Principal Investigator
  
  MATUURA Nobuo
- Project Period (FY)
  1993 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (A)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Study of electrodynamics in the magnetosphere and the ionosphere based on a generic auroral pattern.Principal Investigator
- Principal Investigator
  
  FUJII Ryoichi
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  NAGOYA UNIVERSITY
International Joint Research on Svalbard IS Radar
- Principal Investigator
  
  MATUURA Nobuo
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  Nagoya University
Joint Data Analysis of Magnetospheric Phenomena
- Principal Investigator
  
  SUGIURA Masahisa, M Sugiura
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  Tokai University
Solar and Human Activity Influence on Electromagnetic Noise in the Polar Regions
- Principal Investigator
  
  SATO Natsuo
- Project Period (FY)
  1990 – 1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  National Institute of Polar Research
STUDY OF MAGNETOSPHERIC PHYSICS BASED UPON THE DATA ACQUIRED WITH SATELLITES
- Principal Investigator
  
  IIJIMA Takesi
- Project Period (FY)
  1989
- Research Category
  
  Grant-in-Aid for Overseas Scientific Survey.
- Research Institution
  University of Tokyo
Study on the dynamics of auroral energy injection in the southern and northern hemispheres.
- Principal Investigator
  
  SATO Natsuo
- Project Period (FY)
  1989 – 1991
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  National Institute of Polar Research
Study on Generation Mechanism and Dynamics of Auroral Phenomena in Northern and Southern Hemispheres
- Principal Investigator
  
  HIRASAWA Takeo
- Project Period (FY)
  1986 – 1988
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  National Institute of Polar Research (NIPR)

[Journal Article] Altitude of pulsating arcs as inferred from tomographic measurements2022
- Author(s)
  Safargaleev Vladimir、Sergienko Tima、Hosokawa Keisuke、Oyama Shin-ichiro、Ogawa Yasunobu、Miyoshi Yoshizumi、Kurita Satoshi、Fujii Ryochi
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 74 Issue: 1
- DOI
  10.1186/s40623-022-01592-8
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H05747, KAKENHI-PROJECT-16H02230, KAKENHI-PROJECT-16H06286, KAKENHI-PROJECT-23K20876
[Journal Article] Over‐Darkening of Pulsating Aurora2021
- Author(s)
  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.
- Journal Title
  
  Journal of Geophysical Research: Space Physics
  
  Volume: 126 Issue: 4
- DOI
  10.1029/2020ja028838
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14546, KAKENHI-PUBLICLY-18H04441, KAKENHI-PROJECT-15H05747, KAKENHI-PROJECT-16H02230, KAKENHI-PROJECT-16H06286, KAKENHI-PROJECT-23K20876
[Journal Article] Estimation of the emission altitude of pulsating aurora using the five-wavelength photometer2020
- Author(s)
  Kawamura Yuki、Hosokawa Keisuke、Nozawa Satonori、Ogawa Yasunobu、Kawabata Tetsuya、Oyama Shin-Ichiro、Miyoshi Yoshizumi、Kurita Satoshi、Fujii Ryoichi
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 72 Issue: 1 Pages: 96-96
- DOI
  10.1186/s40623-020-01229-8
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20J12913, KAKENHI-PROJECT-15H05747, KAKENHI-PROJECT-16H02230, KAKENHI-PROJECT-17H02968, KAKENHI-PROJECT-16H06286
[Journal Article] Multiple time-scale beats in aurora: precise orchestration via magnetospheric chorus waves2020
- Author(s)
  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.
- Journal Title
  
  Scientific Reports
  
  Volume: 10 Issue: 1 Pages: 1-10
- DOI
  10.1038/s41598-020-59642-8
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05815, KAKENHI-PROJECT-20K14546, KAKENHI-PROJECT-16H06286, KAKENHI-PUBLICLY-18H04441, KAKENHI-PROJECT-17H06140, KAKENHI-PROJECT-15H05747, KAKENHI-PROJECT-16H02230
[Journal Article] Auroral molecular-emission effects on the atomic oxygen line at 777.4 nm2018
- Author(s)
  S. Oyama, T. T. Tsuda, K. Hosokawa, Y. Ogawa, Y. Miyoshi, S. Kurita, A. E. Kero, R. Fujii, Y. Tanaka, A. Mizuno, T. Kawabata, B. Gustavsson, and T. Leyser
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 70 Issue: 1 Pages: 166-166
- DOI
  10.1186/s40623-018-0936-z
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06021, KAKENHI-PROJECT-16K05569, KAKENHI-PROJECT-16H06286, KAKENHI-PLANNED-15H05815, KAKENHI-PROJECT-15H05747
[Journal Article] Electrostatic Electron Cyclotron Harmonic Waves as a Candidate to Cause Pulsating Auroras2018
- Author(s)
  Fukizawa M.、Sakanoi T.、Miyoshi Y.、Hosokawa K.、Shiokawa K.、Katoh Y.、Kazama Y.、Kumamoto A.、Tsuchiya F.、Miyashita Y.、Tanaka Y. ‐M.、Kasahara Y.、Ozaki M.、Matsuoka A.、Matsuda S.、Hikishima M.、Oyama S.、Ogawa Y.、Kurita S.、Fujii R.
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 45 Issue: 23
- DOI
  10.1029/2018gl080145
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-18H04441, KAKENHI-PROJECT-16H04056, KAKENHI-PROJECT-16K05569, KAKENHI-PROJECT-16H06286, KAKENHI-PLANNED-15H05815, KAKENHI-PROJECT-15H05747, KAKENHI-PROJECT-16H02230, KAKENHI-PROJECT-18H03727
[Journal Article] Variations of the neutral temperature and sodium density between 80 and 107 km above Tromso during the winter of 2010-2011 by a new solid state sodium LIDAR2014
- Author(s)
  Nozawa, S., T.D.Kawahara, N.Saito, C.M.Hall, T.T.Tsuda, T.Kawabata, S.Wada, A.Brekke, T.Takahashi, H.Fujiwara, Y.Ogawa, and R.Fujii
- Journal Title
  
  J. Geophys. Res.
  
  Volume: 119 Issue: 1 Pages: 441-451
- DOI
  10.1002/2013ja019520
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010, KAKENHI-PLANNED-23103002, KAKENHI-PROJECT-25287126
[Journal Article] Relationship between auroral substorm and ion upflow in the nightside polar ionosphere2014
- Author(s)
  Ogawa, Y., M. Sawatsubashi, S. C. Buchert, K. Hosokawa, S. Taguchi, S. Nozawa, S. Oyama, T. T. Tsuda, and R. Fujii
- Journal Title
  
  J. Geophys. Res.
  
  Volume: 118 Issue: 11 Pages: 7426-7437
- DOI
  10.1002/2013ja018965
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21403007, KAKENHI-PROJECT-22403010, KAKENHI-PROJECT-25287126
[Journal Article] Estimation of the layered ionospheric conductance using data from a multi-wavelength photometer at the European Incoherent Scatter (EISCAT) radar site2013
- Author(s)
  Oyama, S., T.Watanabe, R.Fujii, S.Nozawa, and T.T.Tsuda
- Journal Title
  
  Antarctic Record
  
  Volume: 57(3) Pages: 339-356
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] Theory of Cowling Channel formation by reflection of shear Alfven wave from auroral ionosphere2013
- Author(s)
  Yoshikawa A., O. Amm, H. Vanhamäki, A. Nakamizo and R. Fujii
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 118 Issue: 10 Pages: 5967-6828
- DOI
  10.1002/jgra.50514
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22253007, KAKENHI-PROJECT-22403010, KAKENHI-PROJECT-24340119
[Journal Article] Estimation of the layered ionospheric conductance using data from a multi-wavelength photometer at the European Incoherent Scatter (EISCAT) radar site2013
- Author(s)
  Oyama, S., T. Watanabe, R. Fujii, S. Nozawa1, and T. T. Tsuda
- Journal Title
  
  Antarctic Record
  
  Volume: 57 Pages: 339-356
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] Illustration of Cowling Channel coupling to the shear Alfven wave2013
- Author(s)
  Yoshikawa A., O. Amm, H. Vanhamäki, and R. Fujii
- Journal Title
  
  J. Geophys. Res. Space Physics
  
  Volume: 118 Issue: 10 Pages: 6405-6415
- DOI
  10.1002/jgra.50513
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22253007, KAKENHI-PROJECT-22403010, KAKENHI-PROJECT-24340119
[Journal Article] General solution for calculating polarization electric fields in the auroral ionosphere and application examples2013
- Author(s)
  Amm, O., R. Fujii, H. Vanhamäki, A. Yoshikawa, and A. Ieda
- Journal Title
  
  Geophys. Res. Space Physics
  
  Volume: 118 Issue: 5 Pages: 2428-2437
- DOI
  10.1002/jgra.50254
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22253007, KAKENHI-PROJECT-22403010, KAKENHI-PROJECT-22540460, KAKENHI-PROJECT-24340119
[Journal Article] An application of the finite length Cowling channel model to auroral arcs with longitudinal variations2012
- Author(s)
  Fujii, R., O. Amm, H. Vanhamäki, A. Yoshikawa, and A. Ieda
- Journal Title
  
  J. Geophys. Res.
  
  Volume: 117, A11217 Issue: A11
- DOI
  10.1029/2012ja017953
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22253007, KAKENHI-PROJECT-22403010, KAKENHI-PROJECT-22540460, KAKENHI-PROJECT-24340119
[Journal Article] Mean winds, tides, and quasi-2 day waves above Bear Island2012
- Author(s)
  Nozawa, S., C.M.Hall, M.Tsutsumi, A.Brekke, Y.Ogawa, T. T.Tsuda, S.Oyama, and R.Fujii
- Journal Title
  
  JASTP
  
  Volume: 90-91 Pages: 26-44
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] Large-scale data processing and visualization of the European incoherent scatter (EISCAT) radar system2012
- Author(s)
  Ogawa, Y., S.Nozawa, I.Haggstrom, S.Oyama, T.Motoba, T.Tsuda, A.Saito, Y.Miyashita, Y.Tanaka, G.Ueno, H.Miyaoka, and R.Fujii
- Journal Title
  
  J. of Space Sci. Info. Japan
  
  Volume: 1 Pages: 83-89
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] On the statistical relation between ion upflow and naturally enhanced ion-acoustic lines observed with the EISCAT Svalbard radar2011
- Author(s)
  Ogawa, Y., S.C.Buchert, I.Haggstrom, M.T.Rietveld, R.Fujii, S.Nozawa, H.Miyaoka
- Journal Title
  
  Journal of Geophysical Research
  
  Volume: 116 Issue: A3
- DOI
  10.1029/2010ja015827
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21403007, KAKENHI-PROJECT-21740355, KAKENHI-PROJECT-22403010
[Journal Article] Reformulation and energy flow of the Cowlingchannel2011
- Author(s)
  Fujii, R., O. Amm, A. Yoshikawa, A. Ieda, and H. Vanhamaki
- Journal Title
  
  J. Geophys. Res.
  
  Volume: 116 Issue: A2 Pages: n/a-n/a
- DOI
  10.1029/2010ja015989
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540438, KAKENHI-PROJECT-22340145, KAKENHI-PROJECT-22403010, KAKENHI-PROJECT-22540460
[Journal Article] Solar zenith angle dependence of plasma density and temperature in the polar cap ionosphere and low-altitude magnetosphere during geomagnetically quiet periods at solar maximum2011
- Author(s)
  Kitamura, N., Y. Ogawa, T. Nishimura, N. Terada, T. Ono, A. Shinbori, A. Kumamoto, V. Truhlik, and J. Smilauer
- Journal Title
  
  J. Geophys. Res.
  
  Volume: vol.115 Issue: A7
- DOI
  10.1029/2009ja014766
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740355, KAKENHI-PROJECT-22403010
[Journal Article] On the statistical relation between ion upflow and naturally enhancedion-acoustic lines observed with the EISCAT Svalbard radar2011
- Author(s)
  Ogawa, Y., S.C.Buchert, I.Haggstrom, M.T.Rietveld, R.Fujii, S.Nozawa, H.Miyaoka
- Journal Title
  
  J.Geophys.Res.
  
  Volume: 116
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] Reformulation and energy flow of the Cowling channel2011
- Author(s)
  Fujii, R., 0.Amm, A.Yoshikawa, A.Ieda, H.Vanh amaki
- Journal Title
  
  J. Geophys.Res.
  
  Volume: 116
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] Fine structure of sporadic sodium layer observed with a sodium lidar at Tromso, Norway2011
- Author(s)
  Tsuda, T, S. Nozawa, T.Kawahara, T. Kawabata, N. Saito, S. Wada, C. Hall, S. Oyama, S. Ogawa, Y. Suzuki, T. Ogawa, T. Takahashi, H. Fujiwara, R. Fujii, N. Matuura, A. Brekke
- Journal Title
  
  Geophys. Res, Lett.
  
  Volume: vol 38 Issue: 18 Pages: 1-5
- DOI
  10.1029/2011gl048685
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20360405, KAKENHI-PROJECT-22403010, KAKENHI-PROJECT-23340144, KAKENHI-PROJECT-23740368
[Journal Article] Self-consistent formulation for the evolution of ionospheric conductances at the ionospheric E-region within an M-I coupling scheme2011
- Author(s)
  Yoshikawa A, A.Nakamizo, O.Amm, H.Vanhamaki, T.Uozumi, Y.-M.Tanaka, R.Fujii, K.Yumoto and S.Ohtani
- Journal Title
  
  J. Geophys. Res.
  
  Volume: 116
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] A self-consistent synthesis description of J.Geophys.Res magnetosphere-ionosphere coupling and scale-dependent auroral process using shear Alfven wave2011
- Author(s)
  Yoshikawa A., et al
- Journal Title
  
  J.Geophys.Res
  
  Volume: 116 Issue: A8 Pages: n/a-n/a
- DOI
  10.1029/2011ja016460
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22253007, KAKENHI-PROJECT-22403010, KAKENHI-PROJECT-22540460
[Journal Article] Tidal waves in the polar lower thermosphere using the EISCAT long run data set obtained in September 20052010
- Author(s)
  Nozawa, S, Y.Ogawa, S.Oyama, H.Fujiwara, T.Tsuda, A.Brekke, C.Hall, Y.Murayama, S.Kawamura, H.Miyaoka, R.Fujii
- Journal Title
  
  J.Geophys.Res.
  
  Volume: 115
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] Links between a stratospheric sudden warming and thermal structures and dynamics in the high-latitude mesosphere, lower thermosphere, and ionosphere2010
- Author(s)
  Kurihara, J., Y.Ogawa, S.Oyama, S.Nozawa, M.Tsutsumi, C.Hall, Y.Tomikawa, and R.Fujii
- Journal Title
  
  Geophys. Res. Lett.
  
  Volume: 37 Issue: 13
- DOI
  10.1029/2010gl043643
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] MF/HF auroral radio emissions emanating from the topside ionosphere2010
- Author(s)
  Sato, Y., T.Ono, N.Sato, and R.Fujii
- Journal Title
  
  Geophys. Res. Lett.
  
  Volume: 37
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] Tidal waves in the polar lower thermosphere observed using the EISCAT long run data set obtained in September 20052010
- Author(s)
  Nozawa, S., Y. Ogawa, S. Oyama, H. Fu-jiwara, T. Tsuda, A. Brekke, C. M. Hall, Y. Murayama, S. Kawamura, H. Miyaoka, and R. Fujii
- Journal Title
  
  J. Geophys. Res.
  
  Volume: 115 Issue: A8
- DOI
  10.1029/2009ja015237
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540435, KAKENHI-PROJECT-22403010
[Journal Article] Solar activity dependence of ion upflow in the polar ionosphere observed with the EISCAT Tromso UHF radar2010
- Author(s)
  Ogawa, Y., S.C.Buchert, A.Sakurai, S.Nozawa, R.Fujii
- Journal Title
  
  J.Geophys.Res.
  
  Volume: 115
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] On the source of the polar wind in the polar topside ionosphere: First results from the EISCAT Svalbard radar2009
- Author(s)
  Ogawa, Y., I. Haggstrom, S.C. Buchert, K. Oksavik, S. Nozawa, M. Hirahara, A.P. van Eyken, T. Aso, R. Fujii
- Journal Title
  
  Geophys. Res. Lett. 36
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] Acceleration mechanism of high-speed neutral wind observed in the polar lower thermosphere2009
- Author(s)
  Tsuda, T.T., S. Nozawa, S. Oyama, T. Motoba, Y. Ogawa, H. Shinagawa, N. Nishitani, K. Hosokawa, N. Sato, M. Lester, R. Fujii
- Journal Title
  
  J. Geophys. Res. 114(doi:10.1029/2008JA013867)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] Spatial evolution of frictional heating and the predicted thermospheric wind effects in the vicinity of an auroral arc measured with the Sondrestrom incoherent-scatter radar and the Reimei satellite2009
- Author(s)
  Oyama, S., T.T. Tsuda, T. Sakanoi, Y. Obuchi, K. Asamura, M. Hirahara, A. Yamazaki, Y. Kasaba, R. Fujii, S. Nozawa, B.J. Watkins
- Journal Title
  
  J. Geophys. Res. 114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] Relations between proton auroras, intense electric field and ionospheric electron density depletion2009
- Author(s)
  Fujii, R., Y. Iwata, S. Oyama, S. Nozawa, Y. Ogawa
- Journal Title
  
  J. Geophys. Res. 114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] Acceleration mechanism of high-speed neutral wind observed in the polar lower thermosphere2009
- Author(s)
  Tsuda, T. T, S. Nozawa, S. Oyama, T. Motoba, Y. Ogawa, H. Shinagawa, N. Nishitani, K. Hosokawa, N. Sato, M. Lester, R. Fujii
- Journal Title
  
  J. Geophys. Res. 114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340145
[Journal Article] Temperature enhancements and vertical winds associated with auroral heating during the Dynamics and Energetics of the Lower Thermosphere in Aurora (DELTA) campaign2009
- Author(s)
  Kurihara, J., S. Oyama, S. Nozawa, T.T. Tsuda, R. Fujii, Y. Ogawa, H. Miyaoka, N. Iwagami, T. Abe, K.-I. Oyama, M. Kosch, A. Aruliah, E. Griffin, K. Kauristie
- Journal Title
  
  J. Geophys. Res. 114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] Relations between proton auroras, intense electric field and ionosphericelectron density depletion2009
- Author(s)
  Fujii, R
- Journal Title
  
  Journal of Geophysical Research 114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] Characteristics of ion upflow and downflow observed with EISCAT Svalbard radar2009
- Author(s)
  Ogawa, Y., S.C. Buchert, R. Fujii, S. Nozawa, A.P. van Eyken
- Journal Title
  
  J. Geophys. Res. 114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] Coordinated EISCAT Svalbard radar and Reimei satellite observations of ion upflows and suprathermal ions2008
- Author(s)
  Ogawa, Y., K. Seki, M. Hirahara, K. Asamura, T. Sakanoi, S. C. Buchert, Y. Ebihara, Y. Obuchi, A. Yamazaki, I. Sandahl, S. Nozawa and R. Fujii
- Journal Title
  
  J. Geophys. Res. 113(doi:10.1029/2007JA012791)
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] Separation of Cowling channel and local closure currents in the vicinity of a substorm breakup spiral2008
- Author(s)
  Amm, O, and R. Fujii
- Journal Title
  
  J. Geophys. Res. 113
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340145
[Journal Article] Coordinated EISCAT Svalbard radar and Reimei satellite observations of ion upflows and suprathermal ions2008
- Author(s)
  Ogawa, Y., K. Seki, M. Hirahara, K. Asamura, T. Sakanoi, S.C. Buchert, Y. Ebihara, Y. Obuchi, A. Yamazaki, I. Sandahl, S. Nozawa, R. Fujii
- Journal Title
  
  J. Geophys. Res. 113
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] Coordinated EISCAT Svalbard radar and Reimei satellite observations of ion upflows and suprathermal ions2008
- Author(s)
  Ogawa, Y, K. Seki, M. Hirahara, K. Asamura, T. Sakanoi, S. C. Buchert, Y. Ebihara, Y. Obuchi, A. Yamazaki, I. Sandahl, S. Nozawa, and R. Fujii
- Journal Title
  
  J. Geophys. Res. 113
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340145
[Journal Article] Separation of Cowling channel and local closure currents in the vicinity of a substorm breakup spiral2008
- Author(s)
  Amm, O. and R. Fujii
- Journal Title
  
  J. Geophys. Res. 113(A06304, doi:10.1029/2008JA013021)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] An ion drag contribution to the lower thermospheric wind in summer polar region2007
- Author(s)
  Tsuda, T.T., S. Nozawa, A. Brekke, Y. Ogawa, T. Motoba, R. Roble, R. Fujii
- Journal Title
  
  J. Geophys. Res. 112
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] EISCAT observational results during the DELTA campaign.2006
- Author(s)
  Nozawa, S., Y. Ogawa, A. Brekke, T. Tsuda, C.M. Hall, H. Miyaoka, J. Kurihara, T. Abe, R. Fujii
- Journal Title
  
  Earth Planets Space 58
  
  Pages: 1183-1191
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] Naturally enhanced ion-acoustic lines at high altitudes2006
- Author(s)
  Ogawa, Y., S.C. Buchert, R. Fujii, S. Nozawa, F. Forme
- Journal Title
  
  Ann. Geophys. 24
  
  Pages: 3351-3364
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18403010
[Journal Article] 欧州非干渉散乱(EISCAT)レーダーの大規模データ処理と可視化
- Author(s)
  小川泰信, 野澤悟徳, I.Haggstrom, 大山伸一郎, 元場哲郎, 津田卓雄, 齋藤昭則, 宮下幸長, 田中良昌, 堀智昭, 上野玄太, 宮岡宏, 藤井良一
- Journal Title
  
  宇宙科学情報解析論文誌
  
  Volume: (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22403010
[Journal Article] Characteristics of ion upflow and downflow observed with EISCAT Svalbard radar
- Author(s)
  Ogawa, Y. S. C, Buchert, R, Fujii, S, Nozawa, and A. P. van Eyken
- Journal Title
  
  J. Geophys. Res. 114(accepted)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17340145
[Presentation] OFFの間に暗くなりすぎる脈動オーロラの統計解析2017
- Author(s)
  岸山泰輝, 細川敬祐, 野澤悟徳, 小川泰信, 大山伸一郎, 三好由純, 宮岡宏, 藤井良一
- Organizer
  第142回地球電磁気・地球惑星圏学会総会および講演会
- Data Source
  KAKENHI-PROJECT-15H05747
[Presentation] Coordinated observations of pulsating aurora with multi-point high-speed optical measurements, EISCAT and ARASE/ERG satellite2017
- Author(s)
  細川敬祐, 大山伸一郎, 小川泰信, 三好由純, 栗田怜, 宮岡宏, 田中良昌, 野澤悟徳, 寺本万里子, 塩川和夫, 坂野井健, 藤井良一
- Organizer
  18th EISCAT symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H05747
[Presentation] Estimating the energy of pulsating aurora electrons: simultaneous observations with multi-wavelength all-sky imagers and EISCAT2017
- Author(s)
  小川泰信, 細川敬祐, 大山伸一郎, 三好由純, 宮岡宏, 田中良昌, 野澤悟徳, 栗田怜, 塩川和夫, 坂野井健, 藤井良一
- Organizer
  18th EISCAT symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H05747
[Presentation] 北欧全天カメラと Van Allen Probes 衛星を用いた脈動オーロラ同時観測事例の解析2017
- Author(s)
  川村豪, 細川敬祐, 栗田怜, 大山伸一郎, 三好由純, 小川泰信, 藤井良一, Wygant John, Breneman Aaron, Bonnell John, Kletzing Craig A.
- Organizer
  第142回地球電磁気・地球惑星圏学会総会および講演会
- Data Source
  KAKENHI-PROJECT-15H05747
[Presentation] 複数波長観測による脈動オーロラ降下電子のエネルギー推定とそのMLT依存性2017
- Author(s)
  浅野貴紀, 三好由純, 栗田怜, 大山伸一郎, 町田忍, 藤井良一, 細川敬祐, 小川泰信
- Organizer
  第142回地球電磁気・地球惑星圏学会総会および講演会
- Data Source
  KAKENHI-PROJECT-15H05747
[Presentation] Evaluation of the auroral molecular-emission effects on the atomic line at 777.4 nm2017
- Author(s)
  Shin-ichiro Oyama, Keisuke Hosokawa, Yasunobu Ogawa, Yoshizumi Miyoshi, Takuo Tsuda, Satoshi Kurita, Antti Kero, Ryoichi Fujii, Satonori Nozawa, Hiroshi Miyaoka, Yoshimasa Tanaka, Akira Mizuno, and Tetsuya Kawabata
- Organizer
  第142回地球電磁気・地球惑星圏学会総会および講演会
- Data Source
  KAKENHI-PROJECT-15H05747
[Presentation] Japanese Geospace Exploration Project: ERG2015
- Author(s)
  Miyoshi, Y., I. Shinohara, T. Takashima, K. Asamura, N. Higashio, H. Matsumoto, T. Mitani, S. Yokota, S. Kasahara, Y. Kazama, M. Hirahara, Y. Kasaba, A. Matsuoka, H. Kojima, K. Shiokawa, K. Seki, M. Fujimoto, T. Hori, Y. Miyashita, K. Keika, M. Shoji, S. Oyama, and R. Fujii
- Organizer
  FinCOSPAR 2015
- Place of Presentation
  Finland
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H05747
[Presentation] Current status of the EISCAT radars and its future (EISCAT_3D)2014
- Author(s)
  Miyaoka, H., S. Nozawa, Y. Ogawa, S. Oyama, R. Fujii, and T. Nakamura
- Organizer
  PANSY研究集会
- Place of Presentation
  国立極地研究所
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] トロムソナトリウムライダーのデータ紹介および研究成果2014
- Author(s)
  野澤悟徳、川原琢也、斎藤徳人、川端哲也、津田卓雄、高橋透、和田智之、藤原均、堤雅基、大山伸一郎、小川泰信、鈴木臣、藤井良一
- Organizer
  太陽地球環境メタデータ・データベースによる時空間変動の学際研究
- Place of Presentation
  名古屋大学野依記念学術交流館
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] EISCAT_3D(次世代欧州非干渉散乱レーダー)計画の進捗状況（2）2013
- Author(s)
  宮岡宏, 野澤悟徳,小川泰信, 大山伸一郎, 中村卓司, 藤井良一
- Organizer
  第１３４回地球電磁気・地球惑星圏学会総会
- Place of Presentation
  高知大学
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Toward new collaborative studies with EISCAT and EISCAT_3D radars2013
- Author(s)
  Miyaoka, H., S. Nozawa, Y. Ogawa, S. Oyama, T. Nakamura, R. Fujii, and C. Heinselman
- Organizer
  CAWSES-II Symposium
- Place of Presentation
  名古屋大学豊田講堂
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Toward cutting edge of geospace and atmospheric sciences with EISCAT and EISCAT_3D2013
- Author(s)
  Fujii, R.
- Organizer
  JpGU
- Place of Presentation
  Makuhari
- Year and Date
  2013-04-24
- Invited
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] トロムソ上空における極域下部熱圏・中間圏における大気温度・風速変動2013
- Author(s)
  野澤悟徳、川原琢也、津田卓雄、斎藤徳人、堤雅基、和田智之、藤原均、高橋透、川端哲也、小川泰信,大山伸一郎、クリスホール、アスゲイルブレッケ、藤井良一
- Organizer
  第４回極域科学シンポジウム
- Place of Presentation
  国立極地研究所
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Toward cutting edge of geospace and atmospheric sciences with EISCAT and EISCAT_3D2013
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2013大会
- Place of Presentation
  千葉幕張メッセ国際会議場
- Invited
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Japanese EISCAT activities in northern Scandinavia and Svalbard2013
- Author(s)
  Nozawa, S., H. Miyaoka, Y. Ogawa, S. Oyama, T. Nakamura, and R. Fujii
- Organizer
  第7回MUレーダー・赤道大気レーダーシンポジウム (第233回生存圏シンポジウム)
- Place of Presentation
  京都大学宇治キャンパス木質ホール
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Relationship between auroral substorm and ion upflow in the nightside polar ionosphere2013
- Author(s)
  Ogawa, Y., M. Sawatsubashi, S. C. Buchert, K. Hosokawa, S. Taguchi, S. Nozawa, S. Oyama, T. T. Tsuda, and R. Fujii
- Organizer
  The 16th EISCAT Symposium
- Place of Presentation
  Lancaster University, UK
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] EISCAT_3Dレーダーで推進するEISCAT-日本国際共同研究2013
- Author(s)
  宮岡宏, 野澤悟徳, 小川泰信, 大山伸一郎, 中村卓司, 藤井良一, クレイグ・ヘインゼルマン
- Organizer
  日本地球惑星科学連合2013大会
- Place of Presentation
  千葉幕張メッセ国際会議場
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] EISCAT_3D計画の現状と日本が目指すサイエンス2013
- Author(s)
  宮岡宏, 野澤悟徳, 小川泰信, 大山伸一郎, 中村卓司, 藤井良一
- Organizer
  The 7th Symposium on MU Radar and Equatorial Atmosphere Radar
- Place of Presentation
  京都大学宇治キャンパス木質ホール
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Relationship between auroral substorm and ion upflow in the nightside polar ionosphere2013
- Author(s)
  Ogawa, Y., M. Sawatsubashi, S. C. Buchert, K. Hosokawa, S. Taguchi, S. Nozawa, S. Oyama, T. T. Tsuda, and R. Fujii
- Organizer
  CAWSES-II Symposium
- Place of Presentation
  名古屋大学豊田講堂
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Variations of neutral temperature and winds in the polar mesosphere and lower thermosphere above Tromsoe2013
- Author(s)
  Nozawa, S., T. D. Kawahara, T. Tsuda, N. Saito, M. Tsutsumi, S. Wada, H. Fujiwara, T. Takahashi, T. Kawabata, Y. Ogawa, S. Oyama, C. Hall, A. Brekke, and R. Fujii
- Organizer
  CAWSES-II symposium
- Place of Presentation
  名古屋大学豊田講堂
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] EISCATレーダートロムソ観測所における2013年3月までのSTEL光学観測結果とEISCAT_3Dへの貢献2013
- Author(s)
  大山伸一郎, 野澤悟徳, 藤井良一, 塩川和夫, 大塚雄一, 津田卓雄, 高橋透
- Organizer
  日本地球惑星科学連合2013大会
- Place of Presentation
  千葉幕張メッセ国際会議場
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] STEL optical observations at the Tromsø EISCAT radar site by March 2013 and contributions to CAWSES-II2013
- Author(s)
  Oyama, S., S. Nozawa, R. Fujii, K. Shiokawa, Y. Otsuka, T. T. Tsuda, and T. Takahashi
- Organizer
  CAWSES-II Symposium
- Place of Presentation
  名古屋大学豊田講堂
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] トロムソナトリウムライダーの2012 年度観測概要2013
- Author(s)
  野澤悟徳, 川原琢也, 斎藤徳人, 津田卓雄, 川端哲也, 堤雅基, 大山伸一郎, 高橋透, 藤原均, 和田智之, 小川泰信, 藤井良一
- Organizer
  日本地球惑星科学連合2013大会
- Place of Presentation
  千葉幕張メッセ国際会議場
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Report from Japan Norway Symposium on Space Sciences in Polar Regions held in Oslo on June 5-6, 20122012
- Author(s)
  Fujii, R., and J.I.Moen
- Organizer
  the Norway-Japan Joint Committee on Co-operation in Science and Technology
- Place of Presentation
  Tokyo
- Year and Date
  2012-06-19
- Invited
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] IS radar observations of auroral substorm processes2012
- Author(s)
  Fujii, R.
- Organizer
  The 11^<th> International Conference on Substorms
- Place of Presentation
  Luneburg, Germany
- Invited
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Ionosphere and Thermosphere2012
- Author(s)
  Fujii, R.
- Organizer
  Norway 50 Years in Space
- Place of Presentation
  Andoya Rocket Range, Norway
- Invited
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] IS radar observations of auroral substorm processes2012
- Author(s)
  Fujii, R.
- Organizer
  The 11th International Conference on Substorms
- Place of Presentation
  Lueneburg, Germany
- Invited
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Ionosphere and Thermosphere2012
- Author(s)
  Fujii, R.
- Organizer
  Norway 50 Years in Space
- Place of Presentation
  Andoya, Norway
- Invited
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Long-lasting Norway-Japan collaboration in solar-terrestrial science2011
- Author(s)
  Fujii, R.
- Organizer
  Birkeland Lecture 2011
- Place of Presentation
  Oslo, Norway
- Year and Date
  2011-09-22
- Invited
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Reformulation and energy flow of the Cowling channel2011
- Author(s)
  Fujii, R., O.Amm, A.Yoshikawa, A.Ieda, H.Vanhamaki
- Organizer
  EGU meeting
- Place of Presentation
  Vienna, Austria(招待講演)
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Reformulation and energy flow of the Cowling channel2011
- Author(s)
  Fujii, R., O.Amm, A.Yoshikawa, A.Ieda, H.Vanhamaki
- Organizer
  EGU meeting
- Place of Presentation
  Vienna
- Invited
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Response of the lower thermosphere to the solar wind energy input2011
- Author(s)
  Nozawa, S., T.T.Tsuda, S.Oyama, Y.Ogawa, T.D.Kawahara, N.Saito, S.Wada, C.Hall, A.Brekke, M.Kosch, H.Fujiwara, R.Fujii
- Organizer
  AOGS 2011
- Place of Presentation
  Taipei, Taiwan(招待講演)
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Long-lasting Norway-Japan collaboration in solar-terrestrial science2011
- Author(s)
  Fujii, R.
- Organizer
  Norwegian Academy of Science and Letters
- Place of Presentation
  Oslo, Norway(招待講演)
- Year and Date
  2011-09-22
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] High latitude lower thermosheric wind dynamics using EISCAT and MF radars and a new sodium LIDAR, The 4thIAGA/ICMA/CAWSES-II TG4 Workshop on Vertical Coupling in the Atmosphere-Ionosphere System2011
- Author(s)
  S.Oyama, Y.Ogawa, C.Hall, A Brekke, R.Fujii
- Organizer
  The 4thIAGA/ICMA/CAWSES-II TG4 Workshop on Vertical Coupling in the Atmosphere-Ionosphere System
- Place of Presentation
  Prague, Czech
- Year and Date
  2011-02-17
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] On the statistical relation between ion upflow and naturally enhanced ion-acoustic lines observed with the EISCAT Svalbard radar2010
- Author(s)
  Ogawa, Y., S.C.Buchert, I.Haggstrom, R.Fujii, S.Nozawa, and H.Miyaoka
- Organizer
  European Geosciences Union General Assembly 2010
- Place of Presentation
  Vienna, Austria
- Invited
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] On the statistical relation between ion upflow and naturally enhancedion-acoustic lines observed with the EISCAT Svalbard radar2010
- Author(s)
  Ogawa, Y., S.C.Buchert, l.Haggstrom, R.Fujii, S.Nozawa, H. Miyaoka
- Organizer
  European Geosciences Union General Assembly 2010
- Place of Presentation
  Vienna, Austria
- Year and Date
  2010-05-05
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] Report of the STEL optical observation at the northern Scandinaviaby March 20102010
- Author(s)
  Oyama, S., S.Nozawa, R.Fujii, K.Shiokawa, Y.Otsuka, T.T.Tsuda
- Organizer
  Japan Geoscience Union Meeting 2010
- Place of Presentation
  幕張メッセ、千葉県
- Year and Date
  2010-05-25
- Data Source
  KAKENHI-PROJECT-22403010
[Presentation] 名大STE研の地上観測の現状・将来展望と連携2008
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2008年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2008-05-29
- Data Source
  KAKENHI-PROJECT-18403010
[Presentation] 名大STE研の地上観測の現状・将来展望と連携2008
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2008年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2008-05-29
- Data Source
  KAKENHI-PROJECT-17340145
[Presentation] 名大STE研の地上拠点・ネットーワーク観測の現状と将来展望2007
- Author(s)
  藤井良一
- Organizer
  第122回地球電磁気・地球惑星圏学会総会・講演会
- Place of Presentation
  名古屋大学(東山キャンパス)
- Year and Date
  2007-10-01
- Data Source
  KAKENHI-PROJECT-18403010
[Presentation] 名大STE研の地上拠点・ネットーワーク観測の現状と将来展望2007
- Author(s)
  藤井良一
- Organizer
  第122回地球電磁気・地球惑星圏学会総会・講演会
- Place of Presentation
  名古屋大学(東山キャンパス)
- Year and Date
  2007-10-01
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16340146
[Presentation] EISCAT を用いた最先端科学研究2007
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2007年大会
- Place of Presentation
  幕張メッセ国際会議場(千葉)
- Year and Date
  2007-05-21
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16340146
[Presentation] Relationship between electromagnetic energy and precipitating particle energy in the polar ionosphere (iii)2007
- Author(s)
  Fujii, R
- Organizer
  Japan Geoscience Union Meeting
- Place of Presentation
  Makuhari Messe International Conference Hall
- Year and Date
  2007-05-19
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16340146
[Presentation] EISCATを用いた最先端科学研究2007
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2007年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2007-05-21
- Data Source
  KAKENHI-PROJECT-18403010
[Presentation] EISCATを用いた最先端科学研究2007
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2007年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2007-05-21
- Data Source
  KAKENHI-PROJECT-17340145
[Presentation] EISCATを用いた最先端科学研究2007
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2007年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2007-05-21
- Data Source
  KAKENHI-PROJECT-16340146
[Presentation] 磁気圏から極域電離圏へ流入する電磁エネルギーと降下粒子エネルギーの関係(3)2007
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2007年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2007-05-19
- Data Source
  KAKENHI-PROJECT-16340146
[Presentation] 磁気圏から極域電離圏へ流入する電磁エネルギーと降下粒子エネルギーの関係(3)2007
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2007年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2007-05-19
- Data Source
  KAKENHI-PROJECT-17340145
[Presentation] 磁気圏から極域電離圏へ流入する電磁エネルギーと降下粒子エネルギーの関係(3)2007
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2007年大会
- Place of Presentation
  幕張メッセ国際会議場(千葉)
- Year and Date
  2007-05-19
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16340146
[Presentation] Current status and the future direction/strategy of ground-based base and network observations by STEUNagoya Univ2007
- Author(s)
  Fujii, R
- Organizer
  122th SGEPSS Meeting
- Place of Presentation
  Nagoya University (Aichi)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16340146
[Presentation] 名大STE 研の地上拠点・ネットーワーク観測の現状と将来展望2007
- Author(s)
  藤井良一
- Organizer
  第122回地球電磁気・地球惑星圏学会総会・講演会
- Place of Presentation
  名古屋大学(東山キャンパス)
- Year and Date
  2007-10-01
- Data Source
  KAKENHI-PROJECT-17340145
[Presentation] Dependence of the electromagnetic and precipitating particle energy inputs to the ionosphere upon the sunlit/shade condition of the ionosphere2007
- Author(s)
  Fujii, R.
- Organizer
  EISCAT Workshop
- Place of Presentation
  Mariehamn, Finland
- Data Source
  KAKENHI-PROJECT-18403010
[Presentation] Cutting edge of solar-terrestrial sciences with EISCAT2007
- Author(s)
  Fujii, R
- Organizer
  Japan Geoscience Union Meeting
- Place of Presentation
  Makuhari Messe International Conference Hall
- Year and Date
  2007-05-21
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16340146
[Presentation] 磁気圏から極域電離圏へ流入する電磁エネルギーと降下粒子エネルギーの関係(3)2007
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2007年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2007-05-19
- Data Source
  KAKENHI-PROJECT-18403010
[Presentation] Dependence of the electromagnetic and precipitating particle energy inputs to the ionosphere upon the sunlit/shade condition of the ionosphere2007
- Author(s)
  Fujii, R.
- Organizer
  EISCAT Workshop
- Place of Presentation
  Mariehamn, Finland
- Data Source
  KAKENHI-PROJECT-17340145
[Presentation] EISCATを用いた最先端科学研究2007
- Author(s)
  藤井良一
- Organizer
  日本地球惑星科学連合2007年大会
- Place of Presentation
  幕張メッセ
- Data Source
  KAKENHI-PROJECT-18403010

1. NOZAWA Satonori (60212130)

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55. ABE Takumi (40255229)

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56. OGAWA Toshihiro (70011616)

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57. HASHIMOTO Takeshi (60228418)

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58. TONEGAWA Yutaka (80188763)

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59. SHIMAKURA Shin (00009721)

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60. ARAKI Takashi (10111220)

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61. OGUTI Takasi (40011457)

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62. SUGIURA Masahisa (90179135)

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63. TERASAWA Toshio (30134662)

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64. IYEMORI Toshihiko (40144315)

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65. ARAKI Tohru (50025433)

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66. HAYASHI Kanji (60011730)

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67. SAKURAI Tohru (00004416)

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68. MINAMI Shigeyuki (00047408)

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69. KITA Kazuyuki (30221914)

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70. IWAGAMI Naomoto (30143374)

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71. TAKAHASHI Kazue (70252294)

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72. NAKAMURA Rumi (90252296)

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73. 坂翁介 (80108638)

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74. 小島正宜 (70023687)

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75. 岩坂泰信 (20022709)

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76. 三好勉信 (20243884)

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77. 佐藤薫 (90251496)

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78. 野上道男 (50087144)

# of Collaborated Projects: 1 results

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79. 柴崎清登 (90023689)

# of Collaborated Projects: 1 results

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80. 藤井理行 (20125214)

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81. 増田富士雄 (30091929)

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82. 三上岳彦 (10114662)

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84. 加藤雄人 (60378982)

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85. KRISTJANSSON Leo

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86. KAMEI Toyohisa

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87. WATKINS Brenton j.

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88. ブレッケアスゲイ

# of Collaborated Projects: 1 results

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89. レットガーユルゲン

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90. コリスピーター

# of Collaborated Projects: 1 results

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91. 石井守

# of Collaborated Projects: 1 results

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92. HULTQVIST B

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93. WANNBERG U.

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94. SAEMUNDSSON トルスタイン.

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95. 菊地崇

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96. SAEMUNDSSON Thorsteinn

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97. KRISTJANSSON レオ

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98. 野崎憲朗

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99. SAEMUNDSSON ソルステイン

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100. B.J Watkins

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101. J Rottger

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102. A Egeland

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103. A Brekke

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104. ROTTGER Jurgen

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105. EGELAND Alv

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106. WATKINS Brenton

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107. WATKINS B.T.

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108. JONES T.B.

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109. M Sugiura

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110. LIIHR H.

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111. LUHR H.

# of Collaborated Projects: 1 results

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112. A. Egeland

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113. A. Brekke

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114. R.E. Horita

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115. S.ーI. Akasof

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116. T. Watanabe

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117. D. McEwen

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118. AKASOFU Shun-ichi

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119. WATANABE Tomiya

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120. MCEWEN D

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121. AKASOFU S.ーI

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122. WATANABE T.

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123. MCEWEN D.

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124. VAN Eyken A.

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125. ROETTGER J.

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126. ROETTGER Jurgen

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127. VAN EYKEN Anthony p.

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128. 松田昇也

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129. 吉川顕正

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130. 家田章正

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131. 笠原禎也

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132. 田口真

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# of Collaborated Products: 1 results

Fujii Ryoichi 藤井 良一

藤井 良一 フジイ リヨウイチ

FUJII Ryoichi 藤井 良一

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Study of the fastest aurora variations by high-seed observationsPrincipal Investigator

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International collaborative research of geospace by using EISCAT radarPrincipal Investigator

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Comprehensive research on magnetosphere -ionosphere-thermosphere-mesosphere coupling process using the EISCAT radars and other instrumentsPrincipal Investigator

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Study on the active role of the ionosphere in the Magnetosphere-Ionosphere coupling processPrincipal Investigator

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Research on upper atmosphere with EISCAT radars based upon international collaborations.Principal Investigator

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Research on thegeneration mechanisms of ion upflow in the polar cap ionosphere by using ESR.Principal Investigator

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Fujii Ryoichi 藤井良一

藤井良一フジイリヨウイチ

FUJII Ryoichi 藤井良一