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オホーツク海天然ガスハイドレートの同位体組成とその結晶特性
https://kitami-it.repo.nii.ac.jp/records/7573
https://kitami-it.repo.nii.ac.jp/records/75732be32465-87bd-4062-942d-bddc975fb42c
名前 / ファイル | ライセンス | アクション |
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(2009)JGeog_1.pdf (1.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-01-17 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | オホーツク海天然ガスハイドレートの同位体組成とその結晶特性 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Isotopic Composition and Crystallographic Properties of Gas Hydrate in the Sea of Okhotsk | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ガスハイドレート | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 安定同位体 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 解離熱 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ラマン分光法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 水和数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | gas hydrate | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | stable isotope | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | dissociation heat | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Raman spectroscopy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | hydration number | |||||
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 | |||||
その他のタイトル | ||||||
その他のタイトル | Isotopic Composition and Crystallographic Properties of Gas Hydrate in the Sea of Okhotsk | |||||
著者 |
八久保, 晶弘
× 八久保, 晶弘× 坂上, 寛敏× 南, 尚嗣× 布, 川 裕× 庄, 子 仁 |
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著者別名 | ||||||
姓名 | HACHIKUBO, Akihiro | |||||
言語 | en | |||||
著者別名 | ||||||
姓名 | SAKAGAMI, Hirotoshi | |||||
言語 | en | |||||
著者別名 | ||||||
姓名 | MINAMI, Hirotsugu | |||||
言語 | en | |||||
著者別名 | ||||||
姓名 | NUNOKAWA, Yutaka | |||||
言語 | en | |||||
著者別名 | ||||||
姓名 | SHOJI, Hitoshi | |||||
言語 | en | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | New hydrate-bearing seepage structures off Sakhalin in the Sea of Okhotsk were investigated from 2003 to 2006 within the framework of the CHAOS project. We obtained samples of natural gas hydrate and measured the molecular and isotopic compositions of hydrate-bound gas. Methane δ13C and δD were in the range of -67 to -63‰ and -207 to -193‰, respectively. These results indicate a microbial origin produced by CO2 reduction according to Whiticar's diagram. Because ethane δ13C showed a thermogenic origin, hydrate-bound gas contains a small amount of thermogenic gas. The hydration numbers of the samples were estimated as 6.19 ± 0.02 using the Raman spectra of the C?H stretching mode and a thermodynamic calculation. Heat flow calorimetry revealed that the values for dissociation heat of the samples were 18.1 ± 0.3 kJ mol-1( from hydrate phase to gas and ice phases) and 55.4±0.4 kJ mol-1( from hydrate phase to gas and water phases), which agree well with the values in of literature. |
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書誌情報 |
地學雜誌 巻 118, 号 1, p. 207-221, 発行日 2009-03 |
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DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://doi.org/10.5026/jgeography.118.207 | |||||
出版者 | ||||||
出版者 | 東京地学協会 | |||||
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 |