大型短波レーダーによる中・高緯度電離圏プラズマー超高層大気相互作用の研究

2010 年度 研究成果報告書

• 研究課題/領域番号: 19340141
• 研究種目: 基盤研究(B)
• 配分区分: 補助金
• 応募区分: 一般
• 研究分野: 超高層物理学
• 研究機関: 名古屋大学
• 研究代表者: 西谷 望 名古屋大学, 太陽地球環境研究所, 准教授 (10218159)
• 連携研究者: 小川 忠彦 名古屋大学, 名誉教授 (60271607) ; 菊池 崇 名古屋大学, 太陽地球環境研究所, 教授 (70358977) ; 塩川 和夫 名古屋大学, 太陽地球環境研究所, 教授 (80226092) ; 大塚 雄一 名古屋大学, 太陽地球環境研究所, 准教授 (40314025)
• 研究期間 (年度): 2007 – 2010
• キーワード: 大型短波レーダー / 電離圏、熱圏 / 中緯度-高緯度間結合 / 伝搬性電離圏擾乱 / 電離圏電場変動 / Super DARN

研究概要

本研究では、2006年11月に稼働を開始した北海道-陸別HFレーダーを主に活用し、北海道北方からオホーツク海、極東シベリア領域にわたる電場擾乱等の電離圏プラズマ関連現象と伝搬性電離圏擾乱等の超高層大気関連現象の間の相互作用の解明に焦点を置いて研究を進め、サブオーロラ帯電場擾乱の発生条件や伝搬性電離圏擾乱による電離圏プラズマ構造運動のメカニズム、および巨大地震後に超高層大気変動により引き起こされる電離圏プラズマ変動の特性等を明らかにした。

研究成果

• [雑誌論文] Propagation of large amplitude ionospheric disturbances with velocity dispersion observed by the SuperDARN Hokkaido radar after the 2011 off the Pacific coast of Tohoku Earthquake (2011)
  • 著者名/発表者名: Nishitani, N., T. Ogawa, Y. Otsuka, K. Hosokawa, and T. Hori
  • 雑誌名: Earth Planets Space 巻: 63 ページ: 891-896
  • 査読あり
• [雑誌論文] Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm (2010)
  • 著者名/発表者名: Hosokawa, K., T. Tsugawa, K. Shiokawa, Y. Otsuka, N. Nishitani, T. Ogawa, M. Hairston, and L. J. Paxton
  • 雑誌名: J. Geophys. Res. 巻: 115 ページ: 12333
  • DOI: doi:10.1029/2010JA015848
  • 査読あり
• [雑誌論文] Plasma irregularities in the duskside subauroral ionosphere as observed with midlatitude SuperDARN radar in Hokkaido (2010)
  • 著者名/発表者名: Hosokawa, K., and N. Nishitani
  • 雑誌名: Japan, Radio Sci. 巻: 45 ページ: 4003
  • DOI: doi:10.1029/2009RS004244
  • 査読あり
• [雑誌論文] Large-Scale traveling ionospheric disturbance observed by SuperDARN Hokkaido HF radar and GPS networks on 15 December 2006 (2010)
  • 著者名/発表者名: Hayashi, H., N. Nishitani, T. Ogawa, Y. Otsuka, T. Tsugawa, K. Hosokawa, and A. Saito
  • 雑誌名: J. Geophys. Res. 巻: 115 ページ: 06309
  • DOI: doi:10.1029/2009JA014297
  • 査読あり
• [雑誌論文] Penetration of the convection and overshielding electric fields to the equatorial ionosphere during a quasi-periodic DP2 geomagnetic fluctuation event (2010)
  • 著者名/発表者名: Kikuchi, T., Y. Ebihara, K. K. Hashimoto, R. Kataoka, T. Hori, S. Watari, and N. Nishitani
  • 雑誌名: J. Geophys. Res. 巻: 115 ページ: 05209
  • DOI: doi:10.1029/2008JA013948
  • 査読あり
• [雑誌論文] Joint observations of a traveling ionospheric disturbance with the Paratunka OMTI camera and the Hokkaido HF radar (2009)
  • 著者名/発表者名: Koustov, A. V., N. Nishitani, K. Shiokawa, S. Suzuki, and B. M. Shevtsov
  • 雑誌名: Ann. Geophys. 巻: 27 ページ: 2399-2406
  • 査読あり
• [雑誌論文] Coordinated observations of nighttime medium-scale traveling ionospheric disturbances in 630-nm airglow and HF radar echoes at midlatitudes (2009)
  • 著者名/発表者名: Suzuki S., K. Hosokawa, Y. Otsuka, K. Shiokawa, T. Ogawa, N. Nishitani, T. F. Shibata, A. V. Koustov, and B. M. Shevtsov
  • 雑誌名: J. Geophys. Res. 巻: 114 ページ: 07312
  • DOI: doi:10.1029/2008JA013963
  • 査読あり
• [雑誌論文] SuperDARN Hokkaido radar observation of westward flow enhancement in subauroral latitudes (2009)
  • 著者名/発表者名: Kataoka, R., K. Hosokawa, N. Nishitani, and Y. Miyoshi
  • 雑誌名: Ann. Geophys. 巻: 27 ページ: 1695-1699
  • 査読あり
• [雑誌論文] Medium-scale traveling ionospheric disturbances observed with the SuperDARN Hokkaido radar, all-sky imager and GPS network, and their relation to concurrent sporadic-E irregularities (2009)
  • 著者名/発表者名: Ogawa, T., N. Nishitani, Y. Otsuka, K. Shiokawa, T. Tsugawa, and K. Hosokawa
  • 雑誌名: J. Geophys. Res. 巻: 114 ページ: 03316
  • DOI: doi:10.1029/2008JA013893
  • 査読あり
• [雑誌論文] Dynamical property of storm-time subauroral rapid flows as a manifestation of complex structures of the plasma pressure in the inner magnetosphere (2008)
  • 著者名/発表者名: Ebihara, Y., N. Nishitani, T. Kikuchi, T. Ogawa, K. Hosokawa, M.-C. Fok and M. F. Thomsen
  • 雑誌名: J. Geophys. Res. 巻: 114 ページ: 01306
  • DOI: doi:10.1029/2008JA013614
  • 査読あり
• [雑誌論文] Northeastward motion of nighttime MSTIDs at middle latitudes observed by an airglow imager (2008)
  • 著者名/発表者名: Shiokawa, K., Y. Otsuka, N. Nishitani, T. Ogawa, T. Tsugawa, T. Maruyama, S. E. Smirnov, V. V. Bychkov, and B. M. Shevtsov
  • 雑誌名: J. Geophys. Res. 巻: 113 ページ: 12312
  • DOI: doi:10.1029/2008JA013417
  • 査読あり
• [雑誌論文] Subauroral polarization streams : observations with the Hokkaido and King Salmon SuperDARN radars and modeling (2008)
  • 著者名/発表者名: Koustov, A. V., N. Nishitani, Y. Ebihara, T. Kikuchi, M. R. Hairston, and D. Andre
  • 雑誌名: Ann. Geophys. 巻: 26 ページ: 3317-3327
  • 査読あり
• [雑誌論文] SuperDARN observations of daytime MSTIDs in the auroral and mid-latitudes : Possibility of long-distance propagation (2008)
  • 著者名/発表者名: Ishida, T., K. Hosokawa, T. Shibata, S. Suzuki, N. Nishitani, and T. Ogawa
  • 雑誌名: Geophys. Res. Lett. 巻: 35 ページ: 13102
  • DOI: doi:10.1029/2008GL034623
  • 査読あり
• [雑誌論文] Two-dimensional observations of overshielding during a magnetic storm by the Super Dual Auroral Radar Network(SuperDARN) Hokkaido radar (2008)
  • 著者名/発表者名: Ebihara, Y., N. Nishitani, T. Kikuchi, T. Ogawa, K. Hosokawa, and M.-C. Fok
  • 雑誌名: J. Geophys. Res. 巻: 113 ページ: 01213
  • DOI: doi:10.1029/2007JA012641
  • 査読あり
• [雑誌論文] Dynamic variations of a convection flow reversal in the subauroral postmidnight sector as seen by the SuperDARN Hokkaido HF radar (2007)
  • 著者名/発表者名: Kataoka, R., N. Nishitani, Y. Ebihara, K. Hosokawa, T. Ogawa, T. Kikuchi, and Y. Miyoshi
  • 雑誌名: Geophys. Res. Lett. 巻: 34 ページ: 21105
  • DOI: doi:10.1029/2007GL031552
  • 査読あり
• [学会発表] Superposed epoch analysis of mid-latitude ionospheric convection during disturbed periods with the SuperDARN Hokkaido radar (2011)
  • 著者名/発表者名: Zou, Y., and N. Nishitani
  • 学会等名: AGU Fall Meeting 2011
  • 発表場所: San Francisco, USA
  • 年月日: 20111205-09
• [学会発表] Oscillation of SAPS/SAID structures with various temporal scales observed by the SuperDARN Hokkaido radar (2010)
  • 著者名/発表者名: Nishitani, N., T. Ogawa, T. Kikuchi, Y. Ebihara, T. Hori, Y. Zou, K. Hosokawa, R. Kataoka, and SuperDARN Hokkaido radar group
  • 学会等名: AGU Fall Meeting 2010
  • 発表場所: San Francisco, USA
  • 年月日: 20101213-17
• [学会発表] SuperDARN Hokkaido Radar Observation of Recurrent Propagating SAID/SAPS Structure (2009)
  • 著者名/発表者名: Nishitani, N., T. Ogawa, T. Kikuchi, Y. Ebihara, R. Kataoka, T. Hori, and K. Hosokawa
  • 学会等名: AGU Fall Meeting 2009
  • 発表場所: San Francisco, USA
  • 年月日: 20091214-18
• [学会発表] Nighttime medium-scale traveling ionospheric disturbances propagating northward observed by the SuperDARN Hokkaido HF radar and GEONET (2009)
  • 著者名/発表者名: Ichihara, A., N. Nishitani, T. Ogawa, and T. Tsugawa
  • 学会等名: AGU Fall Meeting 2009
  • 発表場所: San Francisco, USA
  • 年月日: 20091214-18
• [学会発表] Multi-instrumental comprehensive study of polar cap tongue of ionization during magnetic storm on December 15, 2006 (2009)
  • 著者名/発表者名: Hosokawa, K., T. Tsugawa, K. Shiokawa, N. Nishitani, Y. Otsuka, T. Ogawa, and M. R. Hairston
  • 学会等名: AGU Fall Meeting 2009
  • 発表場所: San Francisco, USA
  • 年月日: 20091214-18
• [学会発表] Multi-Scale Traveling Ionospheric Disturbance Observed by SuperDARN(invited) (2009)
  • 著者名/発表者名: Nishitani, N.
  • 学会等名: BAYSIS-2009
  • 発表場所: Irkutsk, Russia
  • 年月日: 20090907-12
• [学会発表] Coordinated observations of a nighttime medium-scale traveling ionospheric disturbance in 630-nm airglow and HF radar echoes (2008)
  • 著者名/発表者名: Suzuki, S., K. Hosokawa, T. F. Shibata, K. Shiokawa, Y. Otsuka, N. Nishitani, T. Ogawa, A. V. Koustov, and B. M. Shevtsov
  • 学会等名: AGU Fall Meeting 2008
  • 発表場所: San Francisco, USA
  • 年月日: 20081215-19
• [学会発表] Convection and overshielding electric fields in the global ionosphere as observed with magnetometers and SuperDARN during the geomagnetic storm on 14-15 December 2006 (2008)
  • 著者名/発表者名: Kikuchi, T., Y. Ebihara, K. K. Hashimoto, R. Kataoka, T. Hori, S. Watari, and N. Nishitani
  • 学会等名: AGU Fall Meeting 2008
  • 発表場所: San Francisco, USA
  • 年月日: 20081215-19
• [学会発表] Dynamical property of storm-time subauroral rapid flows as a manifestation of complex structures of the plasma pressure in the inner magnetosphere : Simulation and SuperDARN Hokkaido radar observation (2008)
  • 著者名/発表者名: Ebihara, Y., N. Nishitani, T. Kikuchi, T. Ogawa, K. Hosokawa, M. Fok, and M. F. Thomsen
  • 学会等名: AGU Fall Meeting 2008
  • 発表場所: San Francisco, USA
  • 年月日: 20081215-19
• [学会発表] Subauroral polarization streams : Observations with the Hokkaido and King Salmon SuperDARN radars and modeling (2008)
  • 著者名/発表者名: Koustov, A. V., N. Nishitani, T. Kikuchi, and Y. Ebihara
  • 学会等名: 37th COSPAR Scientific Assembly
  • 発表場所: Montreal, Canada
  • 年月日: 20080713-20
• [学会発表] SuperDARN Hokkaido radar : Overview of 1 year observation(invited) (2008)
  • 著者名/発表者名: Nishitani, N., T. Ogawa, T. Kikuchi, K. Hosokawa, R. Kataoka, and Y. Ebihara
  • 学会等名: AOGS 2008
  • 発表場所: Busan, Korea
  • 年月日: 20080616-20
• [学会発表] SuperDARN Hokkaido Radar Observation of Subauroral Convection Flow Enhancement (2008)
  • 著者名/発表者名: Kataoka, R., K. Hosokawa, N. Nishitani, and Y. Miyoshi
  • 学会等名: AOGS 2008
  • 発表場所: Busan, Korea
  • 年月日: 20080616-20
• [学会発表] Simultaneous SuperDARN Hokkaido Radar, GEONET and All-Sky Imager Observations of Mid-Latitude Medium-Scale Traveling Ionospheric Disturbances and Sporadic E Irregularities (2008)
  • 著者名/発表者名: Ogawa, T., N. Nishitani, Y. Otsuka, K. Shiokawa, T. Tsugawa, and A. Saito
  • 学会等名: AOGS 2008
  • 発表場所: Busan, Korea
  • 年月日: 20080616-20
• [学会発表] LSTID event on December 15, 2006 observed by SuperDARN Hokkaido HF radar and GEONET (2008)
  • 著者名/発表者名: Hayashi, H., N. Nishitani, T. Ogawa, Y. Otsuka, T. Tsugawa, K. Hosokawa, and A. Saito
  • 学会等名: AOGS 2008
  • 発表場所: Busan, Korea
  • 年月日: 20080616-20
• [学会発表] Turning of MSTID Motion From Southwestward to Northeastward Observed by an Airglow Imager at Paratunka, Russia (2008)
  • 著者名/発表者名: Shiokawa, K., Y. Otsuka, N. Nishitani, T. Ogawa, T. Tsugawa, S. Smirnov, V. Bychkov, and B. Shevtsov
  • 学会等名: AOGS 2008
  • 発表場所: Busan, Korea
  • 年月日: 20080616-20
• [学会発表] First two-dimensional observations of overshielding by the SuperDARN Hokkaido radar(invited) (2007)
  • 著者名/発表者名: Ebihara, Y., N. Nishitani, T. Kikuchi, T. Ogawa, K. Hosokawa, and M.-C. Fok
  • 学会等名: AGU Fall Meeting 2007
  • 発表場所: San Francisco, USA
  • 年月日: 20071210-14
• [学会発表] SuperDARN Hokkaido HF radar observation of subauroral ionospheric convection during storms(invited) (2007)
  • 著者名/発表者名: Kataoka, R., N. Nishitani, Y. Ebihara, K. Hosokawa, T. Ogawa, T. Kikuchi, and Y. Miyoshi
  • 学会等名: AGU Fall Meeting 2007
  • 発表場所: San Francisco, USA
  • 年月日: 20071210-14
• [学会発表] Initial results from the SuperDARN Hokkaido radar observation : Intense poleward flows near the dayside merging region at about 58 geomagnetic latitude (2007)
  • 著者名/発表者名: Nishitani, N., T. Ogawa, T. Kikuchi, R. Kataoka, K. Hosokawa, Y. Miyoshi, N. Sato, H. Yamagishi, A. S. Yukimatu, and Hokkaido Radar Group
  • 学会等名: IUGG XXIV 2007
  • 発表場所: Perrugia, Italy
  • 年月日: 20070702-13
• [学会発表] Initial results from the SuperDARN Hokkaido radar observation : Nightside ionospheric convection in mid-latitudes during magnetic storms (2007)
  • 著者名/発表者名: Kataoka, R., N. Nishitani, T. Kikuchi, T. Ogawa, K. Hosokawa, and Hokkaido HF radar group
  • 学会等名: IUGG XXIV 2007
  • 発表場所: Perrugia, Italy
  • 年月日: 20070702-13
• [学会発表] Initial observation with the Hokkaido radar (2007)
  • 著者名/発表者名: Nishitani, N., T. Ogawa, T. Kikuchi, R. Kataoka, K. Hosokawa, Y. Miyoshi, N. Sato, H. Yamagishi, A. S. Yukimatu, and Hokkaido Radar Group
  • 学会等名: SuperDARN Workshop 2007
  • 発表場所: Abashiri, Japan
  • 年月日: 20070604-08
• [備考]
  • URL: http://center.stelab.nagoya-u.ac.jp/hokkaido