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

• Project/Area Number: 17340145
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Space and upper atmospheric physics
• Research Institution: Nagoya University
• Principal Investigator: FUJII Ryoichi Nagoya University, 太陽地球環境研究所, 教授 (00132712)
• Co-Investigator(Kenkyū-buntansha): NOZAWA Satonori 名古屋大学, 太陽地球環境研究所, 准教授 (60212130) ; OGAWA Yasunobu 国立極地研究所, 研究教育系, 講師 (00362210) ; MIYAOKA Hiroshi 国立極地研究所, 教授 (10150046) ; OYAMA Shin-ichiro 名古屋大学, 太陽地球環境研究所, 助教 (20444424)
• Project Period (FY): 2005 – 2008
• Project Status: Completed(Fiscal Year 2008)
• Budget Amount: ¥16,450,000 (Direct Cost : ¥15,100,000、Indirect Cost : ¥1,350,000); Fiscal Year 2008 : ¥3,120,000 (Direct Cost : ¥2,400,000、Indirect Cost : ¥720,000); Fiscal Year 2007 : ¥2,730,000 (Direct Cost : ¥2,100,000、Indirect Cost : ¥630,000); Fiscal Year 2006 : ¥2,500,000 (Direct Cost : ¥2,500,000); Fiscal Year 2005 : ¥8,100,000 (Direct Cost : ¥8,100,000)
• Keywords: プロトンオーロラ / 電離圏 / 磁気圏 / EISCATレーダー / トロムソ / 光学観測機器 / 電離圏加熱実験 / 磁気圏-電離圏結合 / EISCAT / 沿磁力線電流 / 電離圏電流 / 電気伝導度 / プロトンイメージャ / 電離圏加熱

Research Abstract

ノルウェー・トロムソ(北緯69.6度, 東経19.2度)において、EISCATレーダー、全天プロトンイメージャ(透過波長486.1nm)、4波長フォトメータ、全天デジタルカメラによる同時観測を実施し、下向き沿磁力線電流領域における、プロトンオーロラ発光(磁気圏内の沿磁力線電場と関連)、電子密度の減少、電離圏電場などの物理量の相互関係を調べ、磁気圏-電離圏結合における電離圏の能動的役割を調べた。

Research Products

• [Journal Article] Acceleration mechanism of high-speed neutral wind observed in the polar lower thermosphere (2009)
  • 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
• [Journal Article] Acceleration mechanism of high-speed neutral wind observed in the polar lower thermosphere (2009)
  • Author(s): Tsuda, T. T
  • Journal Title: Journal of Geophysical Research 114(印刷中)
  • Peer Reviewed
• [Journal Article] Separation of Cowling channel and local closure currents in the vicinity of a substorm breakup spiral (2008)
  • Author(s): Amm, O, and R. Fujii
  • Journal Title: J. Geophys. Res. 113
  • Peer Reviewed
• [Journal Article] Coordinated EISCAT Svalbard radar and Reimei satellite observations of ion upflows and suprathermal ions (2008)
  • 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
• [Journal Article] Generation of the lower-thermospheric vertical wind estimated with the EISCAT KST radar at high latitudes during periods of moderate geomagnetic disturbance (2008)
  • Author(s): Oyama, S, B. J. Watkins, S. Maeda, H. Shinagawa, S. Nozawa, Y. Ogawa, A. Brekke, C. Lathuillere, and W. Kofman
  • Journal Title: Ann. Geophysicae 26 Pages : 1491-1505
  • Peer Reviewed
• [Journal Article] Separation of Cowling channel and local closure currents in the vicinity of a substorm breakup spiral (2008)
  • Author(s): Amm, O
  • Journal Title: Journal of Geophysical Research 113
  • Peer Reviewed
• [Journal Article] On the relationship between narrow Birkeland current sheets and Reversed Flow channels in the winter cusp/cleft ionosphere (2008)
  • Author(s): Moen, J.
  • Journal Title: Journal of Geophysical Research 113
  • Peer Reviewed
• [Journal Article] Coordinated EISCAT Svalbard radar and Reimei satellite observations of ion upflows and suprathermal ions (2008)
  • Author(s): Ogawa, Y
  • Journal Title: Journal of Geophysical Research 113
  • Peer Reviewed
• [Journal Article] The Pedersen current carried by electrons : A non-linear response of the ionosphere to magnetospheric forcing (2008)
  • Author(s): Buchert, S
  • Journal Title: Annales Geophysicae 26 Pages : 2837-2844
  • Peer Reviewed
• [Journal Article] Coordinated EISCAT Svalbard radar and Reimei satellite observations of ion upflows and suprathermal ions (2008)
  • Author(s): Ogawa, Y.
  • Journal Title: Journal of Geophysical Research 113(印刷予定)
  • Peer Reviewed
• [Journal Article] On the importance of the Cowling channel mechanism in the vicinity of a substorm breakup spiral (2008)
  • Author(s): Amm, O.
  • Journal Title: Journal of Geophysical Research 113(掲載予定)
  • Peer Reviewed
• [Journal Article] On the relationship between narrow Birkeland current sheets and reversed flow channels in the winter cusp/cleft ionosphere (2008)
  • Author(s): Moen, J.
  • Journal Title: Journal of Geophysical Research 113(掲載予定)
  • Peer Reviewed
• [Journal Article] Electromagnetic energy deposition rate in the polar upper thermosphere derived from the EISCAT Svalbard radar and CUTLASS Finland radar observations (2007)
  • Author(s): Fujiwara, H, R. Kataoka, M. Suzuki, S. Maeda, S. Nozawa, K. Hosokawa, H. Fukunishi, N. Sato, and M. Lester
  • Journal Title: Annales Geophysicae 25 Pages : 2393-2403
  • Peer Reviewed
• [Journal Article] Particle Precipitations during NEIAL events: Simultaneous Ground Based Observations at Svalbard (2007)
  • Author(s): Lunde, J.
  • Journal Title: Annales Geophysicae 25 Pages : 1323-1336
  • Peer Reviewed
• [Journal Article] Pulsating dayside aurora in relation to ion upflow events during a northward IMF dominated by a strongly negative IMF By (2007)
  • Author(s): Lorentzen, D. A.
  • Journal Title: Journal of Geophysical Research 112
  • Peer Reviewed
• [Journal Article] An ino drag contribution to the lower thermospheric wind in the summer polar region (2007)
  • Author(s): Tsuda, T. T.
  • Journal Title: Journal of Geophysical Research 112
  • Peer Reviewed
• [Journal Article] An ion drag contribution to the lower thermospheric wind in the summer polar region (2007)
  • Author(s): Tsuda, T. T.
  • Journal Title: Journal of Geophysical Research 112(in press)
• [Journal Article] Dynamics and energetics in the lower thermosphere in aurora (DELTA)-Japanese sounding rocket campaign (2006)
  • Author(s): Abe, T.
  • Journal Title: Earth Planets Space 58 Pages : 1161-1171
• [Journal Article] EISCAT observational results during the DELTA campaign (2006)
  • Author(s): Nozawa, S.
  • Journal Title: Earth Planets Space. 58 Pages : 1183-1192
• [Journal Article] STARE velocity at large flow angles : is it related to the ion acoustic speed? (2006)
  • Author(s): Uspensky, M. V.
  • Journal Title: Annales Geophysicae 24 Pages : 873-885
• [Journal Article] Isolated lower mesospheric echoes seen by medium frequency radar at 70°N, 19°E (2006)
  • Author(s): Hall, C. M.
  • Journal Title: Atmospheric Chemistry and Physics 6 Pages : 5307-5314
• [Journal Article] Naturally enhanced ion-acoustic lines at high altitudes (2006)
  • Author(s): Ogawa, Y.
  • Journal Title: Annales Geophysicae 24 Pages : 3351-3364
• [Journal Article] Substorm topology in the ionosphere and magnetosphere during a flux rope event in the magnetotail (2006)
  • Author(s): Amm, O.et al.
  • Journal Title: Annales Geophysicae (in press)
• [Journal Article] Vertical ion motions observed with incoherent-scatter radars in the polar lower ionosphere (2005)
  • Author(s): Oyama, S. et al.
  • Journal Title: Journal Geophysical Research 110
• [Journal Article] Comparative study of the high-latitude E-region ion and neutral temperatures in the polar cap and the auroral region derived from the EISCAT radar observations (2005)
  • Author(s): Maeda, S. et al.
  • Journal Title: Journal Geophysical Research
• [Journal Article] Mean winds, tides and quasi-2 day wave in the polar lower thermosphere observed in EISCAT eight day run data in November 2003 (2005)
  • Author(s): Nozawa, S. et al.
  • Journal Title: Journal Geophysical Research 110
• [Journal Article] Statistical height-dependent relative importance of the Lorentz force and Joule heating in generating atmospheric gravity waves in the auroral electrojets (2005)
  • Author(s): Yuan, Zhigang et al.
  • Journal Title: Journal Geophysical Research 110
• [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
• [Presentation] 非干渉散乱レーダーとれいめい衛星との同時観測データを用いたオーロラアーク近傍での電流系微細構造の研究 (2008)
  • Author(s): 大山伸一郎
  • Organizer: 地球電磁気・地球惑星圏学会秋季大会
  • Place of Presentation: 仙台
• [Presentation] 多波長光学観測機器およびEISCATレーダーを用いた磁気圏-電離圏結合におけるプロトンオーロラの研究 (2008)
  • Author(s): 岩田陽介
  • Organizer: 地球電磁気・地球惑星圏学会秋季大会
  • Place of Presentation: 仙台
• [Presentation] トロムソにおける多波長光学観測機器およびEISCATレーダーを用いた磁気圏-電離圏結合の研究 (2008)
  • Author(s): 岩田陽介
  • Organizer: 地球惑星科学連合2008年大会
  • Place of Presentation: 幕張(千葉)
• [Presentation] EISCATレーダーと多波長フォトメータを, 用いた電離圏電気伝導推定 (2008)
  • Author(s): 大山伸一郎
  • Organizer: 第124回地球電磁気・地球惑星圏学会総会・講演会
  • Place of Presentation: 仙台市戦災復興記念館
  • Year and Date: 2008-10-09
• [Presentation] EISCATレーダーを用いた日本の極域超高層大気観測の現状 (2008)
  • Author(s): 小川泰信
  • Organizer: 第124回地球電磁気・地球惑星圏学会総会・講演会
  • Place of Presentation: 仙台市戦災復興記念館
  • Year and Date: 2008-10-09
• [Presentation] 北欧における3つの流星レーダーを用いた極域下部熱圏・中欄圏の研究 (2008)
  • Author(s): 野澤悟徳
  • Organizer: 第124回地球電磁気・地球惑星圏学会総会・講演会
  • Place of Presentation: 仙台市戦災復興記念館
  • Year and Date: 2008-10-09
• [Presentation] 多波長光学観測機器およびEISCATレーダーを用いた磁気圏-電離圏結合におけるプロトンオーロラの研究 (2008)
  • Author(s): 岩田陽介
  • Organizer: 第124回地球電磁気・地球惑星圏学会総会・講演会
  • Place of Presentation: 仙台市戦災復興記念館
  • Year and Date: 2008-10-09
• [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
• [Presentation] トロムソにおける多波長光学観測機器およびEISCATレーダーを用いた磁気圏-電離圏結合の研究 (2008)
  • Author(s): 岩田陽介
  • 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: 2008-05-28
• [Presentation] 人工衛星一地上光学機器-レーダー総合観測による夜側オーロラ帯で発生するイオン上昇流とオーロラとの関係の研究 (2008)
  • Author(s): 小川泰信
  • 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: 2008-05-27
• [Presentation] 非干渉散乱レーダーとれいめい衛星との同時観測データを用いたオーロラアーク近傍での電流系水平微細構造の研究 (2008)
  • Author(s): 大山伸一郎
  • 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: 2008-05-27
• [Presentation] Dependence of the electromagnetic and precipitating particle energy inputs to the ionosphere upon the sunlit/shade condition of the ionosphere (2007)
  • Author(s): Fujii, R.
  • Organizer: EISCAT Workshop
  • Place of Presentation: Mariehamn, Finland
• [Presentation] 2005年9月のEISCATロングランデータを用いた極域下部熱圏風の研究 (2007)
  • Author(s): 野澤悟徳
  • Organizer: 地球惑星科学連合2007年大会
  • Place of Presentation: 幕張(千葉)
• [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
• [Presentation] トロムソを中心とした北極域拠点観測計画 (2007)
  • Author(s): 野澤悟徳
  • 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: 2007-09-30
• [Presentation] EISCATスヴァールバルレーダーを用いた極冠域電離圏における極風の観測的研究 (2007)
  • Author(s): 小川泰信
  • 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: 2007-09-29
• [Presentation] EISCATレーダーと四波長フォトメーターを用いたオーロラ活動に対する電離圏応答に関する研究 (2007)
  • Author(s): 渡邉太基
  • 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: 2007-09-29
• [Presentation] 2005年9月のEISCATロングランデータを用いた極域下部熱圏風の研究 (2007)
  • Author(s): 野澤悟徳
  • 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: 2007-05-23
• [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
• [Presentation] EISCATレーダーと多波長フォトメーターを用いたオーロラ活動に対する電離圏応答に関する研究 (2007)
  • Author(s): 渡邉太基
  • 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
• [Book] 新しい地球学太陽一地球一生命圏相互作用系の変動学 (2008)
  • Author(s): 渡邊誠一郎, 檜山哲哉, 安成哲三編
  • Total Pages: 341
  • Publisher: 名古屋大学出版会
• [Book] 新しい地球学 太陽-地球-生命圏相互作用系の変動学 (2008)
  • Author(s): 渡邊誠一郎・檜山哲哉・安成哲三 編
  • Total Pages: 341
  • Publisher: 名古屋大学出版会