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DMS flux in the North Pacific subpolar region

Research Project

Project/Area Number 18310001
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Environmental dynamic analysis
Research InstitutionHokkaido University

Principal Investigator

WATANABE Yutaka  Hokkaido University, 大学院・地球環境科学研究院, 准教授 (90333640)

Co-Investigator(Kenkyū-buntansha) ONO Tsuneo  水産総合研究センター, 北海道区水産研究所, 室長 (40371786)
NIKI Takushi  立正大学, 地球環境科学部, 助教 (00339607)
NORIKI Shinichiro  北海道大学, 大学院・地球環境科学研究院, 教授 (80109511)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥18,000,000 (Direct Cost: ¥15,600,000、Indirect Cost: ¥2,400,000)
Fiscal Year 2008: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2007: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2006: ¥7,600,000 (Direct Cost: ¥7,600,000)
KeywordsDMS / 北太平洋 / 温室効果気体
Research Abstract

北太平洋高度海域の沿岸・外洋において、地球温暖化抑制物質であるDMS(ジメチルサルファイド)濃度について、植物プランクトン・クロロフィル・色素データと炭酸物質等とともに、世界で初めての周年規模の時系列観測を試みた。その結果、DMSの北太平洋における月別の詳細な空間分布を描き出すことに成功し、さらに、北太平洋全体でその表層濃度ならびに大気への逃散速度がここ30年で増加して傾向にあることを明らかとした。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (15 results)

All 2009 2008 2007 2006

All Journal Article (10 results) (of which Peer Reviewed: 8 results) Presentation (5 results)

  • [Journal Article] Indentifying crucial issues in climate science : drastic change in the Earth system during global warming.2009

    • Author(s)
      Ikeda, M., Greve, R., Hara, T., Watanabe, Y.W., Ohmura, A., Kawamiya, M.
    • Journal Title

      EOS Transactions 90(2)

      Pages: 15-15

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Identifying crucial issues in climate science : drastic change in the earth system during global wariming2009

    • Author(s)
      Ikeda, M. Watanabe, Y. W., et.al.
    • Journal Title

      EOS, Transactions 90(2)

      Pages: 15-15

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Time series of carbonate system variables off Otaru coast in Hokkaido, Japan2008

    • Author(s)
      Sakamoto, A., Watanabe, Y. W., Osawa, M., Kido, K., Noriki, S.
    • Journal Title

      Estuarine, Coastal and Shelf Science 79

      Pages: 377-386

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Time series of multiple chemical parameters of CO_2, in Otaru coast in Hokkaido, Japan : Evidence of the important role of coastal region for CO_2, flux between air and Sea2008

    • Author(s)
      Sakamoto, A. Watanabe, Y. W., et.al.
    • Journal Title

      Estuarine, Coastal and Shelf Science 79

      Pages: 377-386

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Reconstruction of sea surface dimethylsulfide in the North Pacific during 1970s to 2000s2007

    • Author(s)
      Watanabe, Y. W., Yoshinari, H., Sakamoto, A., Nakano, Y., Kasamatsu, N., Midorikawa,T., Ono, T.
    • Journal Title

      Marine Chemistry 103

      Pages: 347-358

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effects of salinity downshock on dimethylsulfide production2007

    • Author(s)
      Niki, T., Shimizu, M., Fujishiro, A., Kinoshita, J.
    • Journal Title

      Journal of Oceanography 63

      Pages: 873-877

    • NAID

      10019559069

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effects of salinity downshock on demthylsulfide production2007

    • Author(s)
      Niki
    • Journal Title

      Journal of Ocanography 65

      Pages: 873-877

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Reconstruction of dimethylsulfide in the North Pacific surface water during 1970s to 2000s2007

    • Author(s)
      Watanabe, Y. W.
    • Journal Title

      Marine Chemistry 103

      Pages: 347-358

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Effects of salinity downshock on dimethylsulfide production2007

    • Author(s)
      Niki.
    • Journal Title

      Journal of Oceanography (投稿中)

    • NAID

      10019559069

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Establishment of long-term preservation for demethylsulfide by the solid-phase micro extraction method2006

    • Author(s)
      Sakamoto, A., Niki, T., Watanabe, Y. W.
    • Journal Title

      Analytical Chemistry 78

      Pages: 4593-4597

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] 北西部北太平洋における海水中のジメチルサルファイドの鉛直分布の解明に関する研究2008

    • Author(s)
      本間則仁, 渡辺豊, 坂本愛
    • Organizer
      2008年度日本地球化学会年会
    • Place of Presentation
      東京(東京大学)
    • Year and Date
      2008-09-18
    • Related Report
      2008 Final Research Report
  • [Presentation] 北西部北太平洋における海水中のジメチルサルファイドの鉛直分布の解明に関する研究2008

    • Author(s)
      本間、渡辺ら
    • Organizer
      日本地球化学会2008年度年会
    • Place of Presentation
      東京大学(東京)
    • Year and Date
      2008-09-17
    • Related Report
      2008 Annual Research Report
  • [Presentation] Decadal change in N/P/Si ratio over the North Pacific subpolar region2007

    • Author(s)
      Watanabe, Y. W. (2007)
    • Organizer
      North Pacific Marine Science Organization 16 Annual Meeting
    • Place of Presentation
      Victoria, Canada
    • Year and Date
      2007-11-04
    • Related Report
      2008 Final Research Report
  • [Presentation] 北太平洋亜寒帯域における海洋化学成分の長期変動の東西比較2007

    • Author(s)
      渡辺豊, 田所和明
    • Organizer
      日本海洋学会2007春季大会
    • Place of Presentation
      東京(東京海洋大学)
    • Year and Date
      2007-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] The Change of dimethylsulfide (DMS) in the western North Pacific by using solid-phase micro extraction method2006

    • Author(s)
      Sakamoto, A., Niki, T., Watanabe, Y. W.
    • Organizer
      Western Pacific Geophysical Meeting
    • Place of Presentation
      Beijing, China
    • Year and Date
      2006-07-15
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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