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2012 Fiscal Year Annual Research Report

高分散分光観測による地球型惑星の大気ダイナミクス・微量成分変動の研究

Research Project

Project/Area Number 22340142
Research InstitutionTohoku University

Principal Investigator

笠羽 康正  東北大学, 理学(系)研究科(研究院), 教授 (10295529)

Co-Investigator(Kenkyū-buntansha) 村田 功  東北大学, 環境科学研究科, 准教授 (00291245)
岡野 章一  東北大学, 理学(系)研究科(研究院), 名誉教授 (10004483)
中川 広務  東北大学, 理学(系)研究科(研究院), 助教 (30463772)
坂野井 健  東北大学, 理学(系)研究科(研究院), 准教授 (80271857)
Project Period (FY) 2010-04-01 – 2013-03-31
Keywords赤外分光観測 / サブミリ波分光観測 / Mars Express探査機 / Venus Express探査機 / 大気大循環数値モデル / 火星大気 / 金星大気 / 赤外線分光器開発
Research Abstract

(A) 地上・探査機観測と数値モデルによる金星・火星大気のダイナミクス・組成変動の探求 [A-1] 赤外・サブミリ波の地上分光観測:SUBARU8m望遠鏡にて、火星大気CH4・H2O/HDO観測を2012年4月に実施し成功した。また金星の大気速度場観測とA-3との比較結果を論文として結実させた。アタカマミリ波・サブミリ波干渉計(ALMA)への金星・火星観測提案を行い、金星温度・風速場観測が2013年に予定される(投稿論文:出版x2) [A-2] 赤外線の探査機分光観測: Mars Express搭載のフーリエ赤外線分光器(PFS)による「光化学酸化の指標H2O2」について投稿論文にまとめた。Venus Expressデータ解析を継続し、雲頂近傍の構造(特に高緯度域及び運動論的解析)の研究を進め投稿論文にまとめ、また手法が共通する木星雲層解析へ発展させた。 (論文: 出版x1、投稿x2、修士x1) [A-3] 金星・火星大気数値モデル研究: 金星GCMを完成させ、下層起源波動等がもたらす上層変動(特に風速場・温度場・大気光変動)を定量的に推定した。また、火星GCMによるCO2雲生成消滅の再現に成功し、論文にまとめた。さらに、太陽系初期・系外惑星への展開を継続した。(論文:出版x1,修士x1)
(B) 地上用中間赤外・探査機用近赤外の高分散分光システム開発 [B-1] 地上観測用中間赤外域分光器の開発:2013年度に行う東北大ハワイ・ハレアカラ観測施設への展開へ向けたヘテロダイン分光器の小型化改造を進めた。 [B-2] 探査機搭載用近赤外域分光器の開発: 経費の面から「冷凍機」の開発再興はうまく進めることができなかったが、将来火星探査(および木星探査)に展開可能なサブミリ波観測装置の開発に参画し、特にサイエンス定義へA-1/A-2/A-3と絡んで貢献した。(論文:出版x1)

Current Status of Research Progress
Reason

24年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

24年度が最終年度であるため、記入しない。

  • Research Products

    (17 results)

All 2013 2012

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (12 results)

  • [Journal Article] Comparison of general circulation model atmospheric wave simulations with wind observations of Venusian mesosphere2013

    • Author(s)
      Nakagawa, H., N. Hoshino, M. Sornig, Y. Kasaba, G. Sonnabend, D. Stupar, S. Aoki, and I. Murata
    • Journal Title

      Icarus

      Volume: (in press)

    • Peer Reviewed
  • [Journal Article] Retrieval of jovian cloud structure from the Cassini ISS limb-darkening data. I. Continuum scattering phase functions for cloud and haze in the South Tropical Zone2013

    • Author(s)
      Sato, T.M., T. Satoh, and Y. Kasaba
    • Journal Title

      Icarus

      Volume: 222 Pages: 100-121

    • DOI

      DOI:10.1016/j.icarus.2012.09.035

    • Peer Reviewed
  • [Journal Article] Carbon dioxide ice clouds, snowfalls, and baroclinic waves in the northern winter polar atmosphere of Mars2013

    • Author(s)
      Kuroda, T., A.S. Medvedev, Y. Kasaba and P. Hartogh
    • Journal Title

      Geophys. Res. Lett.

      Volume: in printing Pages: in printing

    • DOI

      DOI: 10.1002/grl.50326

    • Peer Reviewed
  • [Journal Article] Venus’ upper atmospheric dynamical structure from ground-based observations shortly before and after Venus' inferior conjunction 20092013

    • Author(s)
      Sornig, M., G. Sonnabend, D. Stupar, P. Kroetz, H. Nakagawa, and I. Mueller-Wodarg
    • Journal Title

      Icarus

      Volume: in printing Pages: in printing

    • Peer Reviewed
  • [Journal Article] Overview of the Martian atmospheric submillimetre sounder FIRE2012

    • Author(s)
      Kasai, Y., H. Sagawa, T. Kuroda, T. Manabe, S. Ochiai, K. Kikuchi, T. Nishibori, P. Baron, J. Mendrok, P. Hartogh, D. Murtagh, J. Urban, F. von Scheele, and U. Frisk
    • Journal Title

      Planet. Space Sci.

      Volume: 63 Pages: 62-82

    • DOI

      DOI:10.1016/j.pss.2011.10.013

    • Peer Reviewed
  • [Presentation] Approach to the history of water environment on Mars from the detections of water isotopic ratios and numerical simulations using an atmospheric general circulation model2012

    • Author(s)
      Kuroda, T., H. Sagawa, H. Nakagawa, Y. Kasai, N. Terada and Y. Kasaba
    • Organizer
      3rd Conference on Terrestrial Mars Analogues
    • Place of Presentation
      Marrakech, Morocco
    • Year and Date
      20121025-20121028
  • [Presentation] Mid-Infrared LAser Heterodyne Instrument (MILAHI) for dedicated telescope, PLANETS, at the top of the Mt. Heleakala, Hawaii2012

    • Author(s)
      Nakagawa, H., S. Aoki, M. Kuroda, Y. Kasaba, I. Murata, G. Sonnabend, and S. Okano
    • Organizer
      Achievements of G-COE Program for Earth and Planetary Dynamics and the Future Perspective
    • Place of Presentation
      東北大、仙台
    • Year and Date
      20120925-20120928
  • [Presentation] Study of trace gases in the Martian atmosphere: Ground-based observation using SUBARU/IRCS and development of radiative transfer model for MEX/PFS limb observation2012

    • Author(s)
      Aoki, S., H. Nakagawa, Y. Kasaba, M. Giuranna, A. Geminale, G. Sindoni, H. Sagawa, J. Mendrok, Y. Kasai, and V. Formisano
    • Organizer
      European Planetary Science Congress 2012
    • Place of Presentation
      Madrid, Spain
    • Year and Date
      20120923-28
  • [Presentation] Latitudinal cloud characteristics in the Venusian northern high-latitude region evaluated from VEX/VIRTIS observations2012

    • Author(s)
      Kuroda, M., Y. Kasaba, I. Murata, H. Nakagawa, T. Kuroda, P.Drossart, and G. Piccioni
    • Organizer
      European Planetary Science Congress 2012
    • Place of Presentation
      Madrid, Spain
    • Year and Date
      20120923-28
  • [Presentation] Modeling and observations of the atmospheric water cycle and isotopic fractionation on Mars2012

    • Author(s)
      Kuroda, T., H. Sagawa, H. Nakagawa, Y. Kasai, N. Terada, and Y. Kasaba
    • Organizer
      European Planetary Science Congress 2012
    • Place of Presentation
      Madrid, Spain
    • Year and Date
      20120923-28
  • [Presentation] Mid-Infrared Laser Heterodyne Instrument (MILAHI) for dedicated telescope, PLANETS, at the top of the Mt. Haleakala, Hawaii2012

    • Author(s)
      Nakagawa, H., S. Aoki, M. Kuroda, Y. Kasaba, I. Murata, G. Sonnabend, and S. Okano
    • Organizer
      AOGS-AGU (WPGM) Joint Assembly
    • Place of Presentation
      Resorts World Convention Centre, Singapore
    • Year and Date
      20120813-20120818
  • [Presentation] Scientific Targets of the Mars Sub-millimetre Sounder FIRE2012

    • Author(s)
      Kuroda T., H. Sagawa, Y. Kasai, P. Hartogh, J. Urban, H. Nakagawa and Y. Kasaba
    • Organizer
      AOGS-AGU (WPGM) Joint Assembly 2012
    • Place of Presentation
      Resorts World Convention Centre, Singapore
    • Year and Date
      20120813-20120818
  • [Presentation] Search for CH4 on Mars with SUBARU/IRCS and MEX/PFS limb data: Preliminary results from 2012 observing campaign and development of radiative transfer modeling for PFS limb observations2012

    • Author(s)
      Aoki, S., H. Nakagawa, H. Sagawa, A. Geminale, M. Giuranna, V. Formisano, J. Mendrok, G. Sindoni, Y. Kasai, and Y. Kasaba
    • Organizer
      AOGS-AGU (WPGM) Joint Assembly 2012
    • Place of Presentation
      Resorts World Convention Centre, Singapore
    • Year and Date
      20120813-20120818
  • [Presentation] High-resolution Spectroscopy of Planetary Atmosphere in Mid-IR Region Using Mid-infrared Laser Heterodyne Instrument2012

    • Author(s)
      Nakagawa, H., Y. Kasaba, S. Aoki, I. Murata, G. Sonnabend, S. Okano, and M. Kuroda,
    • Organizer
      AOGS-AGU (WPGM) Joint Assembly 2012
    • Place of Presentation
      Resorts World Convention Centre, Singapore
    • Year and Date
      20120813-20120818
  • [Presentation] Investigations of the water isotopic ratios on Mars by modeling and observation: Approach to the climate changes2012

    • Author(s)
      Kuroda, T., H. Sagawa, Y. Kasai, N. Terada and Y. Kasaba
    • Organizer
      39th COSPAR Scientific Assembly
    • Place of Presentation
      Narayana Murthy Centre of Excellence, Mysore, India
    • Year and Date
      20120714-20120720
  • [Presentation] Modeling of the Atmospheric Water Cycle Including the Isotopic Ratio on Mars2012

    • Author(s)
      Kuroda, T, N. Terada, Y. Kasai, and Y. Kasaba
    • Organizer
      Comparative Climatology of Terrestrial Planets
    • Place of Presentation
      Boulder, CO, USA
    • Year and Date
      20120625-20120628
  • [Presentation] Modeling and observation of the water isotopic ratios on Mars: Approach to the climate changes2012

    • Author(s)
      Kuroda, T., H. Sagawa, Y. Kasai, N. Terada and Y. Kasaba
    • Organizer
      Mars Recent Climate Change Workshop
    • Place of Presentation
      NASA Ames Research Center, Moffett Field, CA, USA
    • Year and Date
      20120521-20120525

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Published: 2014-07-24  

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