2013 Fiscal Year Final Research Report
Study on the Couplings of Heliosphere-Magnetosphere-Ionosphere-Atmosphere by Global Sq Current Observation
| Project/Area Number |
22253007
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 海外学術 |
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| Research Field |
Space and upper atmospheric physics
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| Research Institution | Kyushu University |
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Principal Investigator |
YUMOTO Kiyohumi 九州大学, 国際宇宙天気科学・教育センター, 教授 (20125686)
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| Co-Investigator(Kenkyū-buntansha) |
YOSHIKAWA Akimasa 九州大学, 国際宇宙天気科学・教育センター, 講師 (70284479)
ABE Shuji 九州大学, 国際宇宙天気科学・教育センター, 特任助教 (60437762)
KITAMURA Kentaro 徳山工業高等専門学校, 機械電気工学科, 准教授 (60380549)
SHINOHARA Manabu 鹿児島工業高等専門学校, 一般教育科, 教授 (10403982)
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| Co-Investigator(Renkei-kenkyūsha) |
KAWANO Hideaki 九州大学, 国際宇宙天気科学・教育センター, 准教授 (60304721)
TANAKA Yoshimasa 国立極地研究所, 宙空圏研究グループ, 特任助教 (50425766)
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| Project Period (FY) |
2010-04-01 – 2013-03-31
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| Keywords | 宇宙天気 / 極域擾乱 / 赤道域ネットワーク / 物質・流入過程 / 宙空環境変動 / 環太平洋地磁気ネットワーク観測 / 太陽風変動 / IHY/CAWSES |
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| Research Abstract |
Under geomagnetically quiet conditions, a daily record of the geomagnetic field at ground observatories is known to show a regular daily variation, which is primarily composed of 24,12,8 and 6-hour spectral components. The regular daily variation has been extensively studied for more than one hundred years in order to investigate its source currents (see Campbell [1989a]). However, in order to understand electromagnetic coupling between magnetosphere-ionosphere-atmosphere and Earth(MIAE) electromagnetically system, we have to clarify the electro-magnetic response of iono-magnetosphere to various solar wind changes, and the penetration and propagation mechanisms of DP2-ULF range disturbances from the solar wind region into the equatorial ionosphere. In this study we carefully investigate a short and long-term response of MIAE system for various space disturbances and for local dynamo disturbances relating climatological phenomena by using MAGDAS/CPMN data.
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[Journal Article] Geomagnetic variations possibly associated with the Pisco earthquake on 15 August 20072012
Author(s)
Takla, E. M., Yumoto, K., Ishitsuka, J., Rosales, D., Dutra, S., Uozumi, T., Abe, S
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Journal Title
Peru,TECTONOPHYSICS
Volume: Vol.524
Pages: 29-36
DOI
Peer Reviewed
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[Journal Article] AKR modulation and Global Pi 2 oscillation: Jan. 24, 1997 event2011
Author(s)
Uozumi, T., K. Yumoto, T. Tokunaga, S. I. Solovyev, B. M. Shevtsov, R. Marshall, K. Liou, S. Ohtani, S. Abe, A. Ikeda, K. Kitamura, A. Yoshikawa, H. Kawano, and M. Itonaga
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Journal Title
J. Geophys. Res.
Volume: VOL. 116
Pages: A06214, 15
DOI
Peer Reviewed
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[Presentation] ICSWSE/MAGDAS project, United Nations2013
Author(s)
Yoshikawa A
Organizer
Austria Symposium on "Space Weather Data, Instruments and Models: Looking Beyond the International Space Weather Initiative"
Place of Presentation
Graz, AustriaAcademy of Sciences, Institute for Space Research, Graz, Austria
Year and Date
20130916-18
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