2009 Fiscal Year Final Research Report
Study on generation mechanism of substorm by using high-resolution auroral data
| Project/Area Number |
19740307
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Space and upper atmospheric physics
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| Research Institution | National Institute of Polar Research (2009)
Transdisciplinary Research Integration Center (2007-2008) |
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Principal Investigator |
TANAKA Yoshimasa Transdisciplinary Research Integration Center, 研究教育系, 助教 (50425766)
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| Project Period (FY) |
2007 – 2009
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| Keywords | オーロラ / 電子エネルギー分布 / 銀河雑音吸収 / 全天イメージャ / イメージングリオメータ / 3次元空間構造 / サブストーム |
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| Research Abstract |
We developed a method to estimate the spatial and energy distributions of auroral precipitating electrons from several monochromatic images and cosmic noise absorption observed with optical imagers and imaging riometer, taking into account 3-dimensional distribution of auroral luminosity. Applying this method to the high-spatial-resolution auroral data obtained by the comprehensive observations in the northern Scandinavia and Alaska, we investigated the spatial and temporal variations of energy distribution of precipitating electrons during the substorm and an influence of the precipitating electrons on the magnetosphere-ionosphere coupling process.
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[Journal Article] atellite and ground-based observations of auroral energy deposition and the effects on thermospheric composition during large geomagnetic storms: 1. Great geomagnetic storm of 20 November 20032008
Author(s)
Hecht, J.H., T.L. Mulligan, D.J. Strickland, A. Kochenash, Y. Murayama, Y. -M. Tanaka, D.S. Evans, E. Donovan, F.J. Rich, D. Morrison
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Journal Title
ournal of Geophysical Research 113
Pages: A01310
Peer Reviewed
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[Journal Article] Comprehensive arctic atmosphere observing system and observed results for "system performance demonstration"2007
Author(s)
Murayama, Y., M. Ishii, M., Kubota, H. Mori, K. Mizutani, S. Ochiai, Y. Kasai, S. Kawamura, Y. -M. Tanaka, H. Masuko, T. Iguchi, H. Kumagai, T. Kikuchi, K. Sato, R.F. Collins, B.J. Watkins, M. Conde, W.B. Bristow, R.W. Smith
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Journal Title
ournal of the National Institute of Information and Communications Technology 54
Pages: 5-16
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[Journal Article] リチャードL. コリンズ, ブレントンJ. ワトキンス, マークコンデ, ビルブリストウ, ロジャーW. スミス, アラスカ・プロジェクトにおける北極域大気結合観測システムの開発と成果2007
Author(s)
村山泰啓, 石井守, 久保田実, 森弘隆, 水谷耕平, 落合啓, 笠井康子, 川村誠治, 田中良昌, 増子治信, 井口俊夫, 熊谷博, 菊池崇, 佐藤薫
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Journal Title
情報通信研究機構季報 53
Pages: 3-12
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