Highly Sensitive Optical Observations of Aurcraand Upper Atmosphere in the Canadian Arctic

2006 Fiscal Year Final Research Report Summary

• Project/Area Number: 16403007
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 海外学術
• Research Field: Space and upper atmospheric physics
• Research Institution: Nagoya University
• Principal Investigator: OGAWA Tadahiko Nagoya University, Solar-Terrestrial Environment Labotatory, Professor (60271607)
• Co-Investigator(Kenkyū-buntansha): SHIOKAWA Kazuo Nagoya University, Solar Trtestrial Environment Laboratory, Associate Professor (80226092) ; OTSUKA Yuichi Nagoya University, Solar Terrestrial Environment Laboratory, Associate Professor (40314025) ; IEDA Akimasa Nagoya University, Solar Terrestrial Environment Leboratary, Assistant Professor (70362209) ; NISHITANI Nozomu Nagoya University, Solar Terrestrial Environtuent Laboratory, Associate Professor (10218159) ; HOSOKAWA Keisuke The University of Electro-Communications, 電気通信学部, Assistant Professor (80361830)
• Project Period (FY): 2004 – 2006
• Keywords: aurora / polar cap plasma patch / atmospheric gravity wave / coordinated ground-satellite measurements / substorm / geomagnetic storm / international collaboration / Canada : USA

Research Abstract

Two all-sky airglow/aurora imagers were installed at two Canadian stations at Resolute Bay(RSB)and Athabasca observed polar-cap plasma patches almost always(ATH))in 2005, At RSB, we always during southward IMF periods, From two-dimensional cross-correlation analyses, we determined velocity vectors of the patches, which indicates the ionospheric convection vector, that showed high correlation with the IMF-By and -Bz variations. At ATH, we often observed isolated proton arcs and Stable Auroral Red (SAR) arcs, which were located equatorward of the amoral oval The appearance of the isolated proton arcs was highly correlated with the Pc 1 geomagnetic pulsations measured simultaneously at ATH, suggesting interactions between the electromagnetic ion cyclotron (EMK) waves and protons in the vicinity of the plasmapause and the ring current. Similar interactions without waves were also suggested for the SAR arcs, which appeared after the substorm expansion phase even without geomagnetic storm. These observations show promising capability monitor magnetospheric processes from the ground stations, whit would contribute to the future satellite projects such as THEMES, ERG, and Scope/Xscale

Research Products

• [Journal Article] Simultaneous ground and satellite observations of an isolated proton arc at subauroral latitudes (2007)
  • Author(s): Sakaguchi, K.
  • Journal Title: Journal of Geophysical Research 112, A04202 Pages: doi:10.1029/2006JA012135
  • Description: 「研究成果報告書概要(和文)」より
• [Journal Article] Simultaneous DMSP, all-sky camera, and IMAGE FUV observations of the brightening arc at a substorm pseudo-breakup (2007)
  • Author(s): Yago, k.
  • Journal Title: Earth Planets Space 59 Pages: 45-49
  • Description: 「研究成果報告書概要(和文)」より
• [Journal Article] Simultaneous ground and satellite observations of an isolated proton arc at subauroral latitudes (2007)
  • Author(s): Sakaguchi, K., K., Shiokawa, A., Ieda, Y., Miyoshi, Y., Otsuka, T., Ogawa, M., Connors, E. F., Donovan, F. J., Rich
  • Journal Title: J. Geophys. Res 112
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Simultaneous DMSP, all-sky camera, and IMAGE F W observations of the brightening arc at a substorm pseudo-breakup (2007)
  • Author(s): Yago, K., K., Shiokawa, K., Yumoto, D. G., Baishev, S. I., Solovyev, F. J., Rich
  • Journal Title: Earth Planets Space 59 Pages: 45-49
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] ERG-A small-satellite mission to investigate the dynamics of the inner magnetosphere (2006)
  • Author(s): Shiokawa, K.
  • Journal Title: Advances in Space Research 38(8) Pages: 1861-1869
  • Description: 「研究成果報告書概要(和文)」より
• [Journal Article] Estimating drift velocity of polar cap patches with all-sky airglow imager at Resolute Bay, Canada (2006)
  • Author(s): Hosokawa, K.
  • Journal Title: Geophysical Research Letters 33, L15111 Pages: doi:10.1029/2006GL026916
  • Description: 「研究成果報告書概要(和文)」より
• [Journal Article] the Inner Magnetosphere Subgroup in the Society of Geomagnetism and Earth, Planetary and Space Sciences ERG -A small-satellite mission to investigate the dynamics of the inner magnetosphere (2006)
  • Author(s): Shiokawa, K., K., Seki, Y., Miyoshi, A., Ieda, T., Ono, M., lizima, T., Nagatsuma, T., Obara, T., Takashima, K., Asamura, Y., Kasaba, A., Matsuoka, Y., Saito, H., Saito, M., Hirahara, Y., Tonegawa, F., Toyama, M., Tanaka, M., Nose, Y., Kasahara, K., Yumoto, H., Kawano, A., Yoshikawa, Y., Ebihara, A., Yukimatsu, N., Sato, S., Watanabe
  • Journal Title: Adv. Space Res 38(8) Pages: 1861-1869
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Estimating drift velocity of polar cap patches with all-sky airglow imager at Resolute Bay, Canada (2006)
  • Author(s): Hosokawa, K., K., Shiokawa, Y., Otsuka, A., Nakajima, T., Ogawa, J. D., Kelly
  • Journal Title: Geophys. Res. Lett 33
  • Description: 「研究成果報告書概要(欧文)」より