2012 Fiscal Year Final Research Report
Analysis of decadal to millennial sGale variation of Cosmic Ray intensity recorded in iGe Gore and its impliGation for the earth environment
| Project/Area Number |
22241003
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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 | 一般 |
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| Research Field |
Environmental dynamic analysis
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| Research Institution | The University of Tokyo |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
SASA Kimikazu 筑波大学, 大学院・数理物質科学研究科, 准教授 (20312796)
HORIUCHI Kazuho 弘前大学, 大学院・理工学研究科, 助教 (00344614)
YOKOYAMA Yusuke 東京大学, 大気海洋研究所, 准教授 (10359648)
SHIBATA Yasuyuki 国立環境研究所, 化学環境領域, 領域長 (80154251)
MURAMATSU Yasuyuki 学習院大学, 理学部, 教授 (70166304)
MOTOYAMA Hideaki 国立極地研究所, 研究教育系, 教授 (20210099)
KAWAMURA Kenji 国立極地研究所, 研究教育系, 准教授 (90431478)
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| Co-Investigator(Renkei-kenkyūsha) |
SEGAWA Takahi 情報・システム研究機構, 新領域融合研究センター, 融合プロジェクト特任研究員 (90425835)
MIYAHARA Hiroko 東京大学, 宇宙線研究所, 助教 (00532681)
TOSAKI Yuki 筑波大学, 大学院・生命環境科学研究科, 助教 (80533215)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 宇宙線イベント / 環境変動 / 古気候 / アイスコア / 加速器質量分析 / 宇宙線生成 / 核種 / ベリリウム / 塩素36 |
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| Research Abstract |
The records of cosmogenic nuclides in Dome Fuji ice core, covering 720 kyr, wereanalyzed by means of Accelerator Mass Spectrometry. By analyzing several prominentgeomagnetic events, Laschamp, Blake, Iceland Basin, in detail, the records ofcosmogenic nuclides, especially Beryllium-10, were found to be excellent indicator ofthe variation of cosmic ray intensity.
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Research Products
(21 results)
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[Journal Article] multiple-tracer characterisation andmodel intercomparison for NEEM,2012
Author(s)
C.Buizert, P. Martinerie,V.V. Petrenko, J. P. Severinghaus,C.M. Trudinger, E. Witrant, J. L. Rosen,A.J. Orsi, M. Rubino, D. M. Etheridge,L.P. Steele, C. Hogan, J. C. Laube,W.T. Sturges, V. A. Levchenko,A.M. Smith, 1. Levin, T. J. Conway,E.J. Dlugokencky, P. M. Lang,K.Kawamura, T. M. Jenk, J. W. C. White,T.Sowers, J. Schwander, T. Blunier,Gas transport in firn:
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Journal Title
Northern Greenland, Atmos Chem Phys,
Volume: 12
Pages: 4259-4277
DOI
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