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2010 Fiscal Year Final Research Report

Study on small and medium scale disturbances and dust storm on Mars by using a high resolution Mars atmosphere general circulation model

Research Project

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Project/Area Number 20740284
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Space and upper atmospheric physics
Research InstitutionKobe University

Principal Investigator

TAKAHASHI Yoshiyuki  Kobe University, 大学院・理学研究科, 助教 (00372657)

Project Period (FY) 2008 – 2010
Keywords惑星大気 / 火星 / 大気大循環モデル
Research Abstract

In order to investigate features of small and medium scale disturbances in the Martian atmosphere, which would play important roles to lift dust, numerical simulations of Martian atmosphere with quite high resolutions are performed. The horizontal grid sizes of simulations ranges from about 90 to 11 km. Simulation results show many kinds of atmospheric disturbances with various horizontal scales. Further, the results show that such small scale disturbances contribute dust lifting significantly. These results imply that the understanding of features of such disturbances is necessary to consider maintenance mechanisms of current Martian climate.

  • Research Products

    (9 results)

All 2011 2010 2009 2008 Other

All Journal Article (1 results) Presentation (7 results) Remarks (1 results)

  • [Journal Article] 高解像度火星大気大循環モデルで見られる中小規模擾乱2010

    • Author(s)
      高橋芳幸, 林祥介, 小高正嗣, 大淵済
    • Journal Title

      第11回惑星圏研究会収録 Vol.1

      Pages: 1-4

  • [Presentation] High resolution general circulation model experiments of the Martian atmosphere : Resolution dependence of disturbance and surface stress2011

    • Author(s)
      Takahashi, Y.O., Y.-Y.Hayashi, M.Odaka, W.Ohfuchi,
    • Organizer
      Fourth International Workshop on the Mars Atmosphere : Modelling and Observations
    • Place of Presentation
      Paris, France
    • Year and Date
      2011-02-08
  • [Presentation] Effects of small and medium scale disturbances on the dust lifting on Mars : general circulation model experiments2010

    • Author(s)
      Takahashi, Y.O., Y.-Y.Hayashi, M.Odaka, W.Ohfuchi,
    • Organizer
      JpGU Meeting 2010
    • Place of Presentation
      Makuhari, Chiba, Japan
    • Year and Date
      2010-05-23
  • [Presentation] Medium and High Resolution Simulations of Martian Atmosphere2009

    • Author(s)
      Takahashi, Y.O., Y.-Y.Hayashi, M.Odaka, W.Ohfuchi
    • Organizer
      2nd OFES International Workshop and ESC-IPRC Joint Workshop on Computationally-Intensive Modeling of the Climate System
    • Place of Presentation
      Honolulu, Hawaii, US
    • Year and Date
      2009-12-10
  • [Presentation] High Resolution Simulations of the General Circulation of the Martian Atmosphere : Small and Medium Scale Disturbances and Dust Lifting Processes2009

    • Author(s)
      Takahashi, Y.O., Y.-Y.Hayashi, M.Odaka, W.Ohfuchi
    • Organizer
      Third International Workshop on The Mars Atmosphere: Modeling and Observations
    • Place of Presentation
      Williamsburg, Virginia, US
    • Year and Date
      2009-11-10
  • [Presentation] Resolution dependence of dust mass flux simulated by Mars general circulation model : seasonal variation2008

    • Author(s)
      高橋芳幸, 林祥介, 小高正嗣, 大淵済
    • Organizer
      第124回SGEPSS総会および講演会
    • Place of Presentation
      仙台, 宮城
    • Year and Date
      2008-10-11
  • [Presentation] 高解像度火星大気大循環モデルで表現されるダスト巻き上げ過程2008

    • Author(s)
      高橋芳幸, 林祥介, 小高正嗣, 大淵済
    • Organizer
      日本流体力学会 年会 2008
    • Place of Presentation
      神戸, 兵庫
    • Year and Date
      2008-09-07
  • [Presentation] 火星大気大循環モデルで表現されるダスト巻き上げ量の解像度依存性2008

    • Author(s)
      高橋芳幸, 林祥介, 小高正嗣, 大淵済
    • Organizer
      日本地球惑星科学連合2008年大会
    • Place of Presentation
      幕張, 千葉
    • Year and Date
      2008-05-25
  • [Remarks] ホームページ等

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Published: 2012-02-13   Modified: 2016-04-21  

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