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2008 Fiscal Year Final Research Report

Thermodynamical Study on Decadal Modulations of El Nino/Southern Oscillation

Research Project

  • PDF
Project/Area Number 18740291
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Meteorology/Physical oceanography/Hydrology
Research InstitutionThe University of Tokyo

Principal Investigator

TOZUKA Tomoki  The University of Tokyo, 大学院理学系研究科, 助教 (40376538)

Project Period (FY) 2006 – 2008
Keywords気象・海洋物理・陸水学 / 気候変動 / エルニーニョ現象
Research Abstract

太平洋熱帯域の気候変動現象であるエルニーニョ現象の季節性は、(1)季節変動に伴う背景場の違いにより積雲対流活動偏差の大きさが異なること、(2)インドネシア通過流(太平洋からインドネシア多島海を通ってインド洋へと流れる海流)を介したインド洋の影響が季節によって異なること、に依存することが示された。そして、上記の長期変調が、エルニーニョそのものの長期変調において重要な役割を果たしていることが明らかになった。

  • Research Products

    (16 results)

All 2009 2008 2007 2006

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (11 results)

  • [Journal Article] Impacts of the South China Sea throughflow on seasonal and interannual variations of the Indonesian Throughflow2009

    • Author(s)
      Tozuka, T., T. Qu, Y. Masumoto, and T. Yamagata
    • Journal Title

      Dynamics of Atmospheres and Oceans 47

      Pages: 73-85

    • Peer Reviewed
  • [Journal Article] Tropical Indian Ocean variability revealed by self-organizing maps2008

    • Author(s)
      Tozuka, T., J..J. Luo, S. Masson, and T. Yamagata
    • Journal Title

      Climate Dynamics 31

      Pages: 333-343

    • Peer Reviewed
  • [Journal Article] Seasonally stratified analysis of simulated ENSO events2007

    • Author(s)
      Tozuka, T., J.-J. Luo, S. Masson, and T. Yamagata
    • Journal Title

      Journal of Climate 20

      Pages: 4615-4627

    • Peer Reviewed
  • [Journal Article] Decadal modulations of the Indian Ocean Dipole in the SINTEX-F1 coupled GCM2007

    • Author(s)
      Tozuka, T., J. J. Luo, S. Masson, and T. Yamagata
    • Journal Title

      Journal of Climate 20

      Pages: 2881-2894

    • Peer Reviewed
  • [Journal Article] Dramatic impact of the South China Sea on the Indonesian Throughflow2007

    • Author(s)
      Tozuka, T., T. Qu, and T. Yamagata
    • Journal Title

      Geophysical Research Letters 34

      Pages: L12612, doi:10.1029/2007GL030420

    • Peer Reviewed
  • [Presentation] 南シナ海通過流がインドネシア通過流の経年変動に与える影響2008

    • Author(s)
      東塚知己, T. Qu, 山形俊男
    • Organizer
      2008年度日本海洋学会秋季大会
    • Place of Presentation
      広島国際大学
    • Year and Date
      2008-09-25
  • [Presentation] Tropical Indian Ocean climate variability revealed by self-organizing maps2008

    • Author(s)
      Tozuka, T., J..J. Luo, S. Masson, and T. Yamagata
    • Organizer
      Western Pacific Geophysics Meeting
    • Place of Presentation
      Cairns Convention Centre, Queensland, Australia
    • Year and Date
      2008-07-30
  • [Presentation] Influences of the South China Sea Throughflow on Seasonal and Interannual Variations of the Indonesian Throughflow2008

    • Author(s)
      Tozuka, T., T. Qu, and T. Yamagata
    • Organizer
      Western Pacific Geophysics Meeting
    • Place of Presentation
      Cairns Convention Centre, Queensland, Australia
    • Year and Date
      2008-07-29
  • [Presentation] Impacts of the South China Sea Throughflow on Seasonal and Interannual Variations of the Indonesian Throughflow2008

    • Author(s)
      Tozuka, T., T. Qu, and T. Yamagata
    • Organizer
      INSTANT Workshop
    • Place of Presentation
      Lamont-Doherty Earth Observatory, N.Y., USA.
    • Year and Date
      2008-05-29
  • [Presentation] 自己組織化マップによるインド洋熱帯域の気候変動に関する研究2008

    • Author(s)
      東塚知己, 羅京佳, S. Masson, 山形俊男
    • Organizer
      2008年度日本海洋学会春季大会
    • Place of Presentation
      東京海洋大学
    • Year and Date
      2008-03-29
  • [Presentation] Impact of the South China Sea on the Indonesian Throughflow2008

    • Author(s)
      Tozuka, T., T. Qu, and T. Yamagata
    • Organizer
      Ocean Sciences Meeting
    • Place of Presentation
      Orange County Convention Center, Florida, USA (http://www.sgmeet.com/aslo/orlando2008/viewabstract2.asp?AbstractID=925)
    • Year and Date
      2008-03-05
  • [Presentation] Impact of the South China Sea on the Indonesian Throughflow2008

    • Author(s)
      Tozuka, T., T. Qu, and T. Yamagata
    • Organizer
      JSPS-DFG 第1回ラウンドテーブル「気候変動」
    • Place of Presentation
      マックス・プランク研究所, ドイツ・ハンブルク
    • Year and Date
      2008-01-16
  • [Presentation] Tropical Indian Ocean variability revealed by self-organizing maps2007

    • Author(s)
      Tozuka, T., J..J. Luo, S. Masson, and T. Yamagata
    • Organizer
      International Symposium
    • Place of Presentation
      The University of Tokyo
    • Year and Date
      2007-12-03
  • [Presentation] 南シナ海通過流がインドネシア通過流に与える影響2007

    • Author(s)
      東塚知己,T. Qu,山形俊男
    • Organizer
      2007年度日本海洋学会秋季大会
    • Place of Presentation
      琉球大学
    • Year and Date
      2007-09-26
  • [Presentation] エルニーニョ/南方振動の熱力学的研究: 季節依存性2006

    • Author(s)
      東塚知己, 羅京佳, S. Masson, 山形俊男
    • Organizer
      2006年度日本海洋学会秋季大会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2006-09-26
  • [Presentation] Ocean thermodynamics of the simulated ENSO: A seasonally stratified analysis2006

    • Author(s)
      Tozuka, T., J.-J. Luo, S. Masson, and T. Yamagata
    • Organizer
      ENSO Workshop
    • Place of Presentation
      Seoul National University, Republic of Korea
    • Year and Date
      2006-09-12

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Published: 2010-06-10   Modified: 2016-04-21  

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