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Provenance analyses of natural organic matter in estuaries usingisotope compositions of individual chemical compound

Research Project

Project/Area Number 19510004
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Environmental dynamic analysis
Research InstitutionThe University of Tokyo

Principal Investigator

TOSHIHIRO Miyajima  The University of Tokyo, 海洋研究所, 助教 (20311631)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords汽水域 / 安定同位体比 / 炭素循環 / 窒素循環 / モデル / 河口域 / 有機物 / マングローブ / 海草藻場 / 環境分析 / 沿岸海洋 / 物質循環 / 懸濁態有機物 / 同位体マスバランスモデル / 栄養塩スパイラル / 硝酸態窒素
Research Abstract

生物地球化学的物質循環上重要な各種の有機・無機化合物の炭素・窒素・酸素安定同位体比を手掛かりとして、河口域における物質の起源と変換プロセスを明らかにする研究手法を開発検証した。またこうした手法により得られるデータを効果的に利用して陸域から海域への物質輸送の在り方を評価するためのモデルによる解析手法を開発・提案した。

Report

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

    (19 results)

All 2009 2008 2007 2004

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (7 results) Book (6 results)

  • [Journal Article] Export of inorganic carbon fromtwo Southeast-Asian mangrove forests toadjacent estuaries as estimated by thestable isotope composition of dissolvedinorganic carbon2009

    • Author(s)
      Miyajima T, Tsuboi Y, Tanaka Y, Koike
    • Journal Title

      Journal of Geophysical Research-Biogeosciences114 G01024,doi : 10.1029/2008JG000861

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Nitrogen isotope ratios of nitrate as a clue to the origin of nitrogen on the Pacific coast of Japan2009

    • Author(s)
      Sugimoto R, Kasai A, Miyajima T, Fujita K
    • Journal Title

      Continental Shelf Research 29

      Pages: 1303-1309

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Export of inorganic carbon from two Southeast-Asian mangrove forests to adjacent estuaries as estimated by the stable isotope composition of dissolved inorganic carbon2009

    • Author(s)
      Miyajima T, Tsuboi Y, Tanaka Y, Koike I
    • Journal Title

      Journal of Geophysical Research - Biogeosciences 114

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Stable nitrogen isotope composition insedimentary organic matter as a potentialproxy of nitrogen sources for primaryproducers at a fringing coral reef2008

    • Author(s)
      Umezawa Y, Miyajima T, Koike I
    • Journal Title

      Journal of Oceanography 64

      Pages: 899-909

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Stable nitrogen isotope composition in sedimentary organic matter as a potential proxy of nitrogen sources for primary producers at a fringing coral reef2008

    • Author(s)
      Umezawa Y, Miyajima T, Koike I
    • Journal Title

      Journal of Oceanography 64

      Pages: 899-909

    • NAID

      10025552401

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Stable nitrogen isotope composition in sedimentary organic matter as a potential proxy of nitrogen sources for primary producers at a fringing coral reef2008

    • Author(s)
      Y. Umezawa, T. Miyajima, I. Koike
    • Journal Title

      Journal of Oceanography 65(印刷中)

    • NAID

      10025552401

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Modeling of Phytoplankton Production in Ise Bay2008

    • Author(s)
      Sugimoto R, Kasai A, Miyajima T, Fujita K.
    • Organizer
      Japan : Application of Nitrogen Isotopes to Identification of DIN Sources EMECS
    • Place of Presentation
      上海
    • Year and Date
      2008-10-27
    • Related Report
      2008 Final Research Report
  • [Presentation] 安定同位体比を用いた多摩川河口干潟に生息するヤマトシジミの食性解析2008

    • Author(s)
      小関祥子, 山中寿郎, 宮島利宏, 小島茂明
    • Organizer
      日本ベントス学会
    • Place of Presentation
      熊本県立大学
    • Year and Date
      2008-09-06
    • Related Report
      2008 Final Research Report
  • [Presentation] 伊勢湾における無機態窒素の安定同位体比特性2007

    • Author(s)
      笠井亮秀, 杉本亮, 宮島利宏, 藤田弘一
    • Organizer
      日本水産海洋学会
    • Place of Presentation
      東海大学海洋学部
    • Year and Date
      2007-11-23
    • Related Report
      2008 Final Research Report
  • [Presentation] 窒素安定同位体比に基づく伊勢湾における低次生産機構の解明2007

    • Author(s)
      杉本亮, 笠井亮秀, 宮島利宏, 藤田弘一
    • Organizer
      日本水産海洋学会
    • Place of Presentation
      東海大学海洋学部
    • Year and Date
      2007-11-23
    • Related Report
      2008 Final Research Report
  • [Presentation] 大型藻類の硝酸塩取り込みに伴う同位体分別効果の定量2007

    • Author(s)
      梅澤有, 宮島利宏, 田中泰章, 大葉英雄,林原毅, 由水千景, 陀安一郎, 永田俊
    • Organizer
      日本海洋学会
    • Place of Presentation
      広島国際大学
    • Year and Date
      2007-09-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 硝酸イオンの窒素・酸素安定同位体比から見た琵琶湖の窒素循環2007

    • Author(s)
      宮島利宏, 由水千景, 他5名
    • Organizer
      日本陸水学会第72回大会
    • Place of Presentation
      茨城大学
    • Year and Date
      2007-09-17
    • Related Report
      2007 Annual Research Report
  • [Presentation] 硝酸イオンの窒素・酸素安定同位体比から見た琵琶湖の窒素循環2004

    • Author(s)
      宮島利宏, 由水千景, 大手信人, 眞壁明子, 木庭啓介, 陀安一郎, 永田俊
    • Organizer
      日本陸水学会
    • Place of Presentation
      茨城大学
    • Year and Date
      2004-09-11
    • Related Report
      2008 Final Research Report
  • [Book] 「なぜ安定同位体比なのか-同位体比の基礎知識とその読み方」『流域環境評価と安定同位体』(永田・宮島)2009

    • Author(s)
      宮島利宏
    • Publisher
      京都大学学術出版会
    • Related Report
      2008 Final Research Report
  • [Book] 「化学風化と河川内炭素循環プロセス-溶存無機炭素安定同位体比の利用」『流域環境評価と安定同位体』(永田・宮島)2009

    • Author(s)
      宮島利宏・高津文人
    • Publisher
      京都大学学術出版会
    • Related Report
      2008 Final Research Report
  • [Book] 有機物の生産と分解(I)」『流域環境評価と安定同位体』(永田・宮島)2009

    • Author(s)
      金〓九・宮島利宏・永田俊
    • Publisher
      京都大学学術出版会
    • Related Report
      2008 Final Research Report
  • [Book] 「河口域における懸濁態有機炭素負荷の起源推定」『流域環境評価と安定同位体』(永田・宮島)2009

    • Author(s)
      宮島利宏
    • Publisher
      京都大学学術出版会
    • Related Report
      2008 Final Research Report
  • [Book] 「淡水性堆積物における嫌気的微生物生態系の解析」『流域環境評価と安定同位体』(永田・宮島)2009

    • Author(s)
      宮島利宏
    • Publisher
      京都大学学術出版会
    • Related Report
      2008 Final Research Report
  • [Book] 流域環境評価と安定同位体-水循環から生態系まで2008

    • Author(s)
      永田俊, 宮島利宏, 編著
    • Total Pages
      476
    • Publisher
      京都大学学術出版会
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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