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  1. 学術雑誌掲載済論文
  2. 和雑誌

日本海東縁ガスハイドレート調査 (MD179) における間隙水の地球化学

https://kitami-it.repo.nii.ac.jp/records/8896
7c1ac1cd-0a48-46cf-a836-9ab38b29cae3
名前 / ファイル ライセンス アクション
石油技術協会誌_77(4)_p. 石油技術協会誌_77(4)_p. 262-267 (1.8 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-01-17
タイトル
言語 ja
タイトル 日本海東縁ガスハイドレート調査 (MD179) における間隙水の地球化学
タイトル
言語 en
タイトル Geochemistry of pore waters from gas hydrate research in the eastern margin of the Japan Sea (MD179)
言語
言語 jpn
キーワード
主題Scheme Other
主題 Gas hydrate
キーワード
主題Scheme Other
主題 Japan Sea
キーワード
主題Scheme Other
主題 pore water
キーワード
主題Scheme Other
主題 geochemistry
キーワード
言語 en
主題Scheme Other
主題 Gas hydrate
キーワード
言語 en
主題Scheme Other
主題 Japan Sea
キーワード
言語 en
主題Scheme Other
主題 pore water
キーワード
言語 en
主題Scheme Other
主題 geochemistry
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
著者 戸丸, 仁

× 戸丸, 仁

WEKO 7161

ja 戸丸, 仁

Search repository
八久保, 晶弘

× 八久保, 晶弘

WEKO 89765
KAKEN - 研究者検索 50312450

ja 八久保, 晶弘

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柳川, 勝紀

× 柳川, 勝紀

WEKO 90389

ja 柳川, 勝紀

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村松, 康行

× 村松, 康行

WEKO 90396

ja 村松, 康行

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安齋, 博哉

× 安齋, 博哉

WEKO 90397

ja 安齋, 博哉

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松本, 良

× 松本, 良

WEKO 9581

ja 松本, 良

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著者別名
姓名
姓名 Tomaru, Hitoshi
言語 en
著者別名
姓名
姓名 Hachikubo, Akihiro
言語 en
著者別名
姓名
姓名 Yanagawa, Katsunori
言語 en
著者別名
姓名
姓名 Muramatsu, Yasuyuki
言語 en
著者別名
姓名
姓名 Anzai, Hiroya
言語 en
著者別名
姓名
姓名 Snyder, Glen T.
言語 en
著者別名
姓名
姓名 Matsumoto, Ryo
言語 en
抄録
内容記述タイプ Abstract
内容記述 Pore waters collected from the eastern margin of the Japan Sea including gas hydrate fields off Joetsu were analyzed for concentrations of major and minor dissolved species in order to characterize fluid migration in high methane potential area. Rapid decreases of sulfate concentration and accompanying increases of alkalinity and hydrogen sulfide concentrations point to active diagenesis of organic matter such as anaerobic methane oxidation at the sulfate-methane interface, indicating high methane flux and subsequent gas hydrate formation near the seafloor on the Umitaka Spur and Joetsu Knoll. Gas hydrate occurrences are inferred generally by ion dilution and enrichment in 18O and deuterium of pore waters, ion enrichment and depletion in 18O and deuterium, to the contrary, indicate rapid growth of massive gas hydrate exceeding ion/water diffusion. Alkalinity increase also results in the precipitation of carbonates near the seafloor, corresponding to rapid decrease of Ca concentration. Pore water geochemistry changes remarkably in the shallow interval, induced mainly by active methane flux to the water column. Concentration of Cl and isotopic compositions of oxygen and hydrogen reflect inputs of deep fluids as well, deep-sourced material can be delivered to the shallow interval. Long-termed fluid migration is also evident in the research area.
書誌情報 ja : 石油技術協会誌
en : Journal of the Japanese Association for Petroleum Technology

巻 77, 号 4, p. 262-267, 発行日 2012
ISSN
収録物識別子タイプ ISSN
収録物識別子 0370-9868
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.3720/japt.77.262
論文ID(NAID)
関連識別子
識別子タイプ NAID
関連識別子 130004496546
出版者
出版者 石油技術協会
著者版フラグ
値 publisher
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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