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2009 Fiscal Year Final Research Report

Trace metal transport mechanism in Japan Sea and Western North Pacific

Research Project

  • PDF
Project/Area Number 19310001
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

NORIKI Shinichiro  Hokkaido University, 大学院・地球環境科学研究院, 教授 (80109511)

Co-Investigator(Renkei-kenkyūsha) MINAKAWA Masayuki  独立行政法人水産総合研究センター, 中央水産研究所, 室長 (80371839)
OTOSAKA Shigeyoshi  独立行政法人日本原子力研究開発機構, 原子力基礎工学部門, 研究員 (40370374)
MINAMI Hideki  東海大学, 生物理工学部, 准教授 (60254710)
Project Period (FY) 2007 – 2009
Keywords化学海洋
Research Abstract

Sediment traps were moored in Japan Sea and Western North Pacific. Settling particulate matter (Marine Snow) were collected and analyzed chemical components. At both areas, particulate matter fluxes were large in spring season, while small in winter season. Biogenic opal was dominant in large particulate flux periods, and aluminosilicate materials were dominant in small particulate flux periods. Change of chemical elements during 15 years was suggested change in transport processes of land -origin particulate materials in the Japan Sea deep water.

  • Research Products

    (6 results)

All 2010 2009 2008 2007

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (3 results)

  • [Journal Article] Anthropogenic Pb in settling particulate matter in the Northwestern Pacific examined using stable isotopes of Pb2010

    • Author(s)
      Daisuke Nagaoka, Masahito Shigemitsu, Masao Minagawa, Shinichiro Noriki
    • Journal Title

      J.Oceanogr 66

      Pages: 117-132

    • Peer Reviewed
  • [Journal Article] Deep sea circulation of particulate organic carbon in the Japan Sea2008

    • Author(s)
      Otosaka, S., T. Tanaka, O. Togawa, H. Amano, E.V. Karasev, M. Minakawa, S. Noriki
    • Journal Title

      J.Oceanogr 64

      Pages: 911-923

    • Peer Reviewed
  • [Journal Article] Iron in the Japan Sea and its implications for the physical processes in deep water2008

    • Author(s)
      Takata, H., K. Kuma, Y. Isoda, S. Otosaka, T. Senjyu, M. Minakawa
    • Journal Title

      Geophys.Res.Lett doi: 1029/ 2007GL031784

      Pages: L02606

    • Peer Reviewed
  • [Presentation] 日本海におけるBa粒子束~Baxsの水平輸送について~2009

    • Author(s)
      奥俊輔
    • Organizer
      2009年度日本地球化学会第56年会
    • Place of Presentation
      広島大学理学部 (東広島市)
    • Year and Date
      2009-09-17
  • [Presentation] Decadal change of particulate flux in the Japan Sea/East Sea2008

    • Author(s)
      S. OTOSAKA
    • Organizer
      5^<th> AOGS Annual General Meeting
    • Place of Presentation
      Busan Exhibition & Convention Center (釜山、韓国)
    • Year and Date
      2008-06-17
  • [Presentation] ビキニ由来の放射性核種はどのようにして日本周辺海域へ輸送されていたのか?~水産研究所の環境放射能調査より~2007

    • Author(s)
      皆川昌幸
    • Organizer
      第51回放射化学討論会
    • Place of Presentation
      静岡県コンベンションアーツセンター
    • Year and Date
      2007-09-24

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Published: 2011-06-18   Modified: 2016-04-21  

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