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Linear trend of global mean oceanic thermal expansion and its mechanism during the latter half of the 20th century

Research Project

Project/Area Number 19540468
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Meteorology/Physical oceanography/Hydrology
Research InstitutionJapan, Meteorological Research Institute

Principal Investigator

YASUDA Tamaki  Japan, Meteorological Research Institute, 気候研究部, 主任研究官 (80354471)

Co-Investigator(Kenkyū-buntansha) 藤井 陽介  気象庁気象研究所, 海洋研究部, 研究官 (60343894)
松本 聡  気象庁気象研究所, 海洋研究部, 研究官 (00414516)
Co-Investigator(Renkei-kenkyūsha) FUJII Yosuke  気象庁気象研究所, 海洋研究部, 研究官 (60343894)
MATSUMOTO Satoshi  気象庁気象研究所, 海洋研究部, 研究官 (00414516)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2007: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords気候変動 / 海面水位 / 海洋大循環数値モデル / 海洋データ同化 / 海洋熱膨張 / 海洋大循環モデル / 海洋物理学
Research Abstract

20世紀後半の全球平均海洋海面水位トレンドの熱膨張成分(熱膨張トレンド)とその要因を海洋大循環数値モデルを用いて調べた。その結果、海洋観測水温資料から求められた海洋表層における熱膨張トレンドの要因は、風応力による海洋循環の変化が30%、海面での加熱による変化が70%であることが明らかとなった。本研究成果は、全球平均海洋熱膨張トレンドには海面での加熱だけでなく風応力に対する力学的応答が含まれていることを海洋大循環数値モデルの感度実験によって初めて示したものである。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (16 results)

All 2008 2007 2005 Other

All Presentation (14 results) Remarks (2 results)

  • [Presentation] Climate Variability of North Pacific Intermediate Water analyzed with ocean reanalysis data of MOVE/MRI2008

    • Author(s)
      Satoshi Matsumoto
    • Organizer
      COM、GODAE final symposium
    • Place of Presentation
      フランス・ニース
    • Year and Date
      2008-11-14
    • Related Report
      2008 Final Research Report
  • [Presentation] Climate Variability of North Pacific Intermediate Water analyzed with ocean reanalysis data of MOVE/MRI. COM2008

    • Author(s)
      Satoshi Matsumoto
    • Organizer
      GODAE final symposium
    • Place of Presentation
      フランス・ニース
    • Year and Date
      2008-11-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] 海洋再解析データを用いた北太平洋中層における長期変化の解析2008

    • Author(s)
      松本聡
    • Organizer
      2008年度日本海洋学会秋季大会
    • Place of Presentation
      広島県呉市
    • Year and Date
      2008-09-26
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 同化データからみた海洋の長期変動解析2008

    • Author(s)
      松本聡
    • Organizer
      第12回データ同化夏の学校
    • Place of Presentation
      青森県むつ市
    • Year and Date
      2008-08-22
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Linear Trend of Global Mean Sea Level due to Thermal Expansion during 1960-2001: OGCM Experiments2008

    • Author(s)
      Tamaki Yasuda
    • Organizer
      2008 Western Pacific Geophysical Meeting
    • Place of Presentation
      オーストラリア・ケアンズ
    • Year and Date
      2008-07-29
    • Related Report
      2008 Final Research Report
  • [Presentation] Linear Trend of Global Mean Sea Level due to Thermal Expansion during 1960-2001 : OGCM Experiments2008

    • Author(s)
      Tamaki Yasuda
    • Organizer
      2008 Western Pacific Geophysical Meeting
    • Place of Presentation
      オーストラリア・ケアンズ
    • Year and Date
      2008-07-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] Satoshi Matsumoto2008

    • Author(s)
      Satoshi Matsumoto
    • Organizer
      2008 Asia Oceania Geosciences Society
    • Place of Presentation
      大韓民国・プサン
    • Year and Date
      2008-06-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Ocean Climate and Water Mass Variabilities in the Ocean Reanalyses2008

    • Author(s)
      Satoshi Matsumoto
    • Organizer
      2008 Asia Oceania Geosciences Society
    • Place of Presentation
      大韓民国・プサン
    • Year and Date
      2008-06-18
    • Related Report
      2008 Annual Research Report
  • [Presentation] Ocean Climate Variability and Water Mass Variability in the Reanalyses of the MRI Multivariate Ocean Variational Estimation (MOVE) System2008

    • Author(s)
      Satoshi Matsumoto
    • Organizer
      2008 Ocean Sciences Meeting
    • Place of Presentation
      アメリカ合衆国・オーランド
    • Year and Date
      2008-03-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Ocean Climate Variability and Water Mass Variability in the Reanalyses of the MRI Multivariate Ocean Variational Estimation(MOVE)System2008

    • Author(s)
      Satoshi Matsumoto
    • Organizer
      20080cean Sciences Meeting
    • Place of Presentation
      アメリカ合衆国・オーランド
    • Year and Date
      2008-03-05
    • Related Report
      2007 Annual Research Report
  • [Presentation] OSSE/OSE activities with Multivariate Ocean Variational Estimation(MOVE)System.II:Impacts of salinity and TAO/TRITON2007

    • Author(s)
      Satoshi Matsumoto
    • Organizer
      GODAE-OOPC OSSE/OSE Meeting
    • Place of Presentation
      フランズ・パリ
    • Year and Date
      2007-11-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] OSSE/OSE activities with Multivariate Ocean Variational Estimation (MOVE) System. II: Impacts of salinity and TAO/TRITON2007

    • Author(s)
      Satoshi Matsumoto
    • Organizer
      GODAE-OOPC OSSE/OSE Meeting
    • Place of Presentation
      フランス・パリ
    • Year and Date
      2007-11-03
    • Related Report
      2008 Final Research Report
  • [Presentation] 北太平洋亜熱帯モード水の体積及び水温の長期変動2007

    • Author(s)
      安田珠幾
    • Organizer
      2007年度日本海洋学会秋季大会
    • Place of Presentation
      沖縄県中頭郡西原町
    • Year and Date
      2007-09-27
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 20世紀後半における全球海面水位トレンドの熱膨張成分2005

    • Author(s)
      安田珠幾
    • Organizer
      日本気象学会2008年度春季大会
    • Place of Presentation
      神奈川県横浜市
    • Year and Date
      2005-05-21
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Remarks]

    • URL

      http://www.mri-jma.go.jp/Project/H19keikaku/5-1-22.htm

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.mri-jma.go.jp/Project/H19keikaku/5-1-22.htm

    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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