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Reconstruction of Dome Fuji temperature over the past 4000 years

Research Project

Project/Area Number 25740007
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Environmental dynamic analysis
Research InstitutionNational Institute of Polar Research

Principal Investigator

KOBASHI Takuro  国立極地研究所, 研究教育系, 外来研究員 (00527129)

Project Period (FY) 2013-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords気候変動 / 南極 / ドームふじ / 氷床コア / 同位体 / 空気 / 温暖化 / フィルン圧密 / 気温 / 完新世 / 国際研究者交流
Outline of Final Research Achievements

We reconstructed Dome Fuji temperature (East Antarctica) over the past 4000 years using argon and nitrogen isotopes trapped in ice cores. Currently, Dome Fuji has annual temperature of around -50 C and annual accumulation rate of around 3 cm, which make reconstructed temperature to be lower resolution than that for Greenland ice cores. Therefore, we conducted analyses for every 70 years. We obtained high precision for argon and nitrogen isotopes similar to our earlier analyses for Greenland ice cores. Using these data, we calculated temperatures, which show low temperature around 1500 AD, and high temperature around 1000 AD. We plan to use climate models to investigate the causes of these changes.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • Research Products

    (12 results)

All 2014 2013

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (10 results) (of which Invited: 1 results)

  • [Journal Article] Statistics of annual mean total water storage in the tank model in Japan2014

    • Author(s)
      Nakaegawa, T., T. Kobashi, Y. Ishizaki
    • Journal Title

      Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)

      Volume: 58 Pages: 343-348

    • NAID

      40020051959

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Causes of Greenland temperature variability over the past 4000 yr: implications for northern hemispheric temperature changes2013

    • Author(s)
      Kobashi, T., K. Goto-Azuma, J. E. Box, C.-C. Gao, and T. Nakaegawa
    • Journal Title

      Climate of the Past

      Volume: 9 Issue: 5 Pages: 2299-2317

    • DOI

      10.5194/cp-9-2299-2013

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] Consistent Greenland temperature variability (GISP2 and NGRIP) over the past 2100 years using argon and nitrogen isotopes in trapped air in ice core2014

    • Author(s)
      Kobashi, T.
    • Organizer
      PIRE workshop: Ultra high-resolution ice core proxies and processes: data, interpretation, firn processes, and new directions
    • Place of Presentation
      デンマーク、コペンハーゲン
    • Year and Date
      2014-08-25 – 2014-08-29
    • Related Report
      2014 Annual Research Report
  • [Presentation] Modulation of Greenland temperature through changes in solar activity2014

    • Author(s)
      Kobashi, T.
    • Organizer
      Japan Geoscience Union meeting
    • Place of Presentation
      パシフィコ横浜、横浜
    • Year and Date
      2014-04-28 – 2014-04-29
    • Related Report
      2014 Annual Research Report
  • [Presentation] Greenland temperature variability over the past 2000 years inferred from NGRIP and GISP2 ice cores2014

    • Author(s)
      Kobashi, T., K. Goto-Azuma, K. Kawamura, B. Vinther, T. Blunier, J. Box, C. Buizert., A. Muto, J. White
    • Organizer
      Japan Geoscience Union meeting
    • Place of Presentation
      パシフィコ横浜、横浜
    • Year and Date
      2014-04-28 – 2014-04-29
    • Related Report
      2014 Annual Research Report
  • [Presentation] 過去2000年のグリーンランド気温変動の復元2014

    • Author(s)
      小端拓郎, J. Box, A. Muto, C. Buizert, B. Vinther, 東久美子, 川村賢二, T. Blunier
    • Organizer
      極域における過去の気候・環境変動
    • Place of Presentation
      北海道大学低温研究所
    • Related Report
      2013 Research-status Report
  • [Presentation] Greenland temperature variability over the past 4000 years: a link to ice-sheet mass variation2014

    • Author(s)
      Takuro Kobashi
    • Organizer
      歴史的記録と現代科学
    • Place of Presentation
      国立天文台・三鷹
    • Related Report
      2013 Research-status Report
  • [Presentation] Interpreting oxygen isotopic signals of Greenland ice cores by comparing with the new temperature record over the past 4000 years2013

    • Author(s)
      Kobashi, T.
    • Organizer
      Conference on isotopes of carbon, water, and geotracers in paleoclimate research
    • Place of Presentation
      スイス、ベルン
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] Causes of Greenland temperature variation over the past 4000 years2013

    • Author(s)
      小端拓郎、川村賢二、東久美子、J. Box、C.-C. Gao、仲江川敏之、D. Shindell、小寺邦彦
    • Organizer
      日本地球惑星科学連合
    • Place of Presentation
      幕張メッセ
    • Related Report
      2013 Research-status Report
  • [Presentation] GISP2コアにおける気泡が閉じるときに起こるAr/N2とO2/N2分別メカニズム2013

    • Author(s)
      小端拓郎、深沢倫子、諏訪理、亀田貴雄、ジェシカ・ルンディン
    • Organizer
      日本雪氷学会
    • Place of Presentation
      北見工業大学
    • Related Report
      2013 Research-status Report
  • [Presentation] Consistent Greenland temperature variability over the past 2000 years from NGRIP and GISP2 :Preliminary NGRIP results2013

    • Author(s)
      Kobashi, Takuro, Kumiko Goto-Azuma, Kenji Kawamura, Bo Vinther, Thomas Blunier, Jason Box, Christo Buizert
    • Organizer
      極地研シンポジウム
    • Place of Presentation
      国立極地研究所
    • Related Report
      2013 Research-status Report
  • [Presentation] Pervasive solar influence on Greenland temperature over the past 4000 years2013

    • Author(s)
      Takuro Kobashi, Kenji Kawamura, Kumiko Goto-Azuma, Jason E. Box, Chao-chao Gao, Toshiyuki Nakaegawa
    • Organizer
      American Geophysical Union general meeting
    • Place of Presentation
      San Francisco, USA
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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