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Influence of methane hydrate to the formation of cold seep carbonates, off Southwestern Taiwan

Research Project

Project/Area Number 19540488
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geology
Research InstitutionJapan Agency for Marine-Earth Science and Technology

Principal Investigator

MACHIYAMA Hideaki  Japan Agency for Marine-Earth Science and Technology, 高知コア研究所, サブリーダー (00344284)

Co-Investigator(Kenkyū-buntansha) SOH Wonn  独立行政法人海洋研究開発機構, 高知コア研究所, 所長 (90183847)
Co-Investigator(Renkei-kenkyūsha) SOH Wonn  独立行政法人海洋研究開発機構, 高知コア研究所, 所長 (90183847)
Research Collaborator MORITA Sumito  独立行政法人産業技術総合研究所, 地質調査情報センター, 主幹 (20358188)
KINOSHITA Masataka  独立行政法人海洋研究開発機構, ・地球内部変動研究センター, グループリーダー (50225009)
LIN Saulwood  国立台湾大学, 海洋研究所, 准教授
LIU Char-shine  国立台湾大学, 海洋研究所, 教授
YANG Tsanyao  国立台湾大学, 理学院地質科学系, 教授
HUANG Chi-yue  国立成功大学, 理学院地球科学系, 教授
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2008: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2007: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywordsメタンハイドレート / 地質学 / 地球化学 / 海洋探査 / 深海環境 / メタン湧水 / 台湾 / 国際情報交換
Research Abstract

台湾南西沖の南シナ海大陸棚斜面に分布する海底メタン湧水は、地形に規制されたメタンの集積がメタンハイドレートのキャップ構造を形成し、その頂部から海底面へ流体が上昇することに起因している。この海底メタン湧水に伴われる冷湧水炭酸塩岩の形成には、メタンハイドレートの分解水が部分的に関与していた。
微生物による二酸化炭素の還元によって形成されたメタンと噴出ガス中の硫化水素によって、熱水噴出孔と同様な化学合成生物群集が冷湧水域にも生息していると推定される。

Report

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

    (24 results)

All 2008 2007

All Journal Article (4 results) Presentation (20 results)

  • [Journal Article] High-resolution seismic images of the Formosa Ridge off southwestern Taiwan where "hydrothermal" chemosynthetic community is present at a cold seep site2008

    • Author(s)
      Char-Shine Liu、Sumito Morita、Yi-Hsiang Liao 、Chia-Yen Ku 、Hideaki Machiyama 、 Saulwood Lin、Wonn Soh
    • Journal Title

      Proceedings of the 6~<th> International Conference on Gas Hydrates (ICGH 2008) CD-ROM

    • Related Report
      2008 Final Research Report
  • [Journal Article] Gas composition of the venting bubbles from the Formosa Ridge in the gas hydrate potential area, offshore of SW Taiwan2008

    • Author(s)
      Tsanyao Frank Yang 、Tomohiro Toki 、 Saulwood Lin 、Hideaki Machiyama 、 Chih-Hsien Sun
    • Journal Title

      Proceedings of the 6~<th> International Conference on Gas Hydrates (ICGH 2008) CD-ROM

      Pages: 0-0

    • Related Report
      2008 Final Research Report
  • [Journal Article] High-resolution seismic images of the Formosa Ridge off southwestern Taiwan where "hydrothermal" chemosynthetic community is present at a cold seep site2008

    • Author(s)
      Char-Shine LIU
    • Journal Title

      Proceedings of the 6th International Conference on Gas Hydrates (ICGH 2008) (CD-ROM)

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Gas composition of the venting bubbles from the Formosa Ridge in the gas hydrate potential area, offshore of SW Taiwan2008

    • Author(s)
      Tsanyao Frank YANG
    • Journal Title

      Proceedings of the 6th International Conference on Gas Hydrates (ICGH 2008) (CD-ROM)

    • Related Report
      2008 Annual Research Report
  • [Presentation] Ocean bottom gamma-ray anomaly around methane seeps related to gas hydrate-bearing zone in the eastern margin of Japan Sea and off Southwest Taiwan2008

    • Author(s)
      Hideaki Machiyama
    • Organizer
      American Geophysical Union 2008 Fall Meeting
    • Place of Presentation
      Moscone Convention Center(サンフランシスコ)
    • Year and Date
      2008-12-17
    • Related Report
      2008 Final Research Report
  • [Presentation] Ocean bottom gamma-ray anomaly around methane seeps related to gas hydrate-bearing zone in the eastern margin of Japan Sea and off Southwest Taiwan2008

    • Author(s)
      Hideaki MACHIYAMA
    • Organizer
      American Geophysical Union 2008 Fall Meeting
    • Place of Presentation
      Moscone Convention Center, サンフランシスコ
    • Year and Date
      2008-12-17
    • Related Report
      2008 Annual Research Report
  • [Presentation] メタン湧水域における海底自然ガンマ線異常-日本海東縁・台湾南西沖の計測結果-2008

    • Author(s)
      町山栄章
    • Organizer
      日本地質学会第115 年学術大会
    • Place of Presentation
      秋田大学(秋田市)
    • Year and Date
      2008-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] メタン湧水域における海底自然ガンマ線異常-日本海東縁・台湾南西沖の計測結果-2008

    • Author(s)
      町山栄章
    • Organizer
      日本地質学会第115年学術大会
    • Place of Presentation
      秋田大学,秋田市
    • Year and Date
      2008-09-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] Gas hydrate-related geochemical characterization and seafloor topographic variations in the continental margin offshore southwestern Taiwan2008

    • Author(s)
      Yee Cheng Lim
    • Organizer
      6~<th> International Conference on Asian Marine Geology
    • Place of Presentation
      高知工科大学(香美市)
    • Year and Date
      2008-08-30
    • Related Report
      2008 Final Research Report
  • [Presentation] Gas hydrate-related geochemical characterization and seafloor topographic variations in the continental margin offshore southwestern Taiwan2008

    • Author(s)
      Yee Cheng LIM
    • Organizer
      6th International Conference on Asian Marine Geology
    • Place of Presentation
      高知工科大学,香美市
    • Year and Date
      2008-08-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] メタン湧水域での海底ガンマ線計測-日本海上越沖・台湾南西沖の例-2008

    • Author(s)
      町山栄章
    • Organizer
      日本地球惑星科学連合2008 年大会
    • Place of Presentation
      幕張メッセ(千葉市)
    • Year and Date
      2008-05-28
    • Related Report
      2008 Final Research Report
  • [Presentation] メタン湧水域での海底ガンマ線計測-日本海上越沖・台湾南西沖の例-2008

    • Author(s)
      町山栄章
    • Organizer
      日本地球惑星科学連合2008年大会
    • Place of Presentation
      幕張メッセ,千葉市
    • Year and Date
      2008-05-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] メタン湧水域における"熱水噴出孔生物群集"の発見-「なつしま」NT07-05台湾南西沖調査航海の概要-2008

    • Author(s)
      町山栄章
    • Organizer
      第24 回しんかいシンポジウム
    • Place of Presentation
      横浜市立大学(横浜市)
    • Year and Date
      2008-03-14
    • Related Report
      2008 Final Research Report
  • [Presentation] 台湾南西沖冷湧水海域における地形及び地質構造調査-NT07-05 日本台湾共同調査より-2008

    • Author(s)
      森田澄人
    • Organizer
      、第24 回しんかいシンポジウム
    • Place of Presentation
      横浜市立大学(横浜市)
    • Year and Date
      2008-03-14
    • Related Report
      2008 Final Research Report
  • [Presentation] メタン湧水域における"熱水噴出孔生物群集"の発見-「なつしま」NT07-05台湾南西沖調査航海の概要-2008

    • Author(s)
      町山 栄章
    • Organizer
      第24回しんかいシンポジウム
    • Place of Presentation
      横浜(横浜市立大学)
    • Year and Date
      2008-03-14
    • Related Report
      2007 Annual Research Report
  • [Presentation] 台湾南西沖冷湧水海域における地形及び地質構造調査-NT07-05日本台湾共同調査より-2008

    • Author(s)
      森田 澄人
    • Organizer
      第24回しんかいシンポジウム
    • Place of Presentation
      横浜(横浜市立大学)
    • Year and Date
      2008-03-14
    • Related Report
      2007 Annual Research Report
  • [Presentation] Discovery of "hydrothermal" chemosynthetic community in a cold seep environment, Formosa Ridge: Seafloor observation results from first ROV cruise off Southwestern Taiwan2007

    • Author(s)
      Hideaki Machiyama
    • Organizer
      American Geophysical Union 2007 Fall Meeting
    • Place of Presentation
      Moscone Convention Center(サンフランシスコ)
    • Year and Date
      2007-12-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Near sea floor gas hydrate formation and influence on pore water chemistry and authigenic carbonate at the Formosa Ridge, South China Sea2007

    • Author(s)
      Saulwood Lin
    • Organizer
      American Geophysical Union 2007 Fall Meeting
    • Place of Presentation
      Moscone Convention Center(サンフランシスコ)
    • Year and Date
      2007-12-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Discovery of"Hydrotherma"Chemosynthetic Community in a Cold Seep Environment,Forrnosa Ridge:Seafloor Observation Results from First ROV Cruise,off Southwestern Taiwan2007

    • Author(s)
      町山 栄章
    • Organizer
      2007 AGU Fall Meeting
    • Place of Presentation
      米国・サンフランシスコ
    • Year and Date
      2007-12-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] Near Sea Floor Gas Hydrate Fommation and Influence on Pore Water Chemisby and Authigenic Carbonate at the Formosa Ridge,South China Sea2007

    • Author(s)
      Saulwood LIN
    • Organizer
      2007 AGU Fall Meeting
    • Place of Presentation
      米国・サンフランシスコ
    • Year and Date
      2007-12-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] Discovery of "hydrothermal" chemosynthetic community in a cold seep environment, Formosa Ridge: preliminary results from NT07-05 Cruise off southwestern Taiwan2007

    • Author(s)
      町山栄章
    • Organizer
      日本地質学会第114年大会
    • Place of Presentation
      北海道大学(札幌市)
    • Year and Date
      2007-09-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Discovery of "hydrothermal" chemosynthetic community in a cold seep environment,Forrnosa Ridge:preliminary results from NT07-05 Cruise,off southwestem Taiwan2007

    • Author(s)
      町山 栄章
    • Organizer
      日本地質学会第114年大会
    • Place of Presentation
      札幌(北海道大学)
    • Year and Date
      2007-09-10
    • Related Report
      2007 Annual Research Report
  • [Presentation] Formosa Ridge, a cold seep with densely populated chemosynthetic community in the passive margin, Southwest of Taiwan2007

    • Author(s)
      Saulwood Lin
    • Organizer
      17~<th> Goldschmidt Conference (Goldschmidt 2007)
    • Place of Presentation
      Cologne University(ケルン)
    • Year and Date
      2007-08-21
    • Related Report
      2008 Final Research Report
  • [Presentation] Formosa Ridge,a Cold Seep with Densely Populated Chemosynthetic Community in the Passive Margin,Southwest of Taiwan2007

    • Author(s)
      Saulwood LIN
    • Organizer
      Goldschmidt 2007
    • Place of Presentation
      ドイツ・ケルン
    • Year and Date
      2007-08-21
    • Related Report
      2007 Annual Research Report

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

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