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連続フロー式質量分析計を用いた大気中メタンの炭素同位体比の高精度測定
https://doi.org/10.15094/00009483
https://doi.org/10.15094/0000948348d142fe-5f3d-4cfe-911e-ef4ca8139559
名前 / ファイル | ライセンス | アクション |
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KJ00005231259 (1.0 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2009-03-30 | |||||
タイトル | ||||||
タイトル | 連続フロー式質量分析計を用いた大気中メタンの炭素同位体比の高精度測定 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | High precision measurements of carbon isotopic ratio of atmospheric methane using a continuous flow mass spectrometer | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00009483 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
論文名よみ | ||||||
その他のタイトル | レンゾク フロー シキ シツリョウ ブンセキケイ ヲ モチイタ タイキチュウ メタン ノ タンソ ドウイタイ ヒ ノ コウセイド ソクテイ | |||||
著者名(日) |
森本, 真司
× 森本, 真司× 青木, 周司× 中澤, 高清 |
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著者名(英) |
Morimoto, Shinji
× Morimoto, Shinji× Aoki, Shuji× Nakazawa, Takakiyo |
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著者所属(日) | ||||||
情報・システム研究機構国立極地研究所 | ||||||
著者所属(日) | ||||||
東北大学大学院理学研究科大気海洋変動観測研究センター | ||||||
著者所属(日) | ||||||
東北大学大学院理学研究科大気海洋変動観測研究センター | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research, Research Organization of Information and Systems, Kaga 1-chome, Itabashi-ku, Tokyo 173-8515. | ||||||
著者所属(英) | ||||||
en | ||||||
Center for Atmospheric and Oceanic Studies, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578. | ||||||
著者所属(英) | ||||||
en | ||||||
Center for Atmospheric and Oceanic Studies, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578. | ||||||
抄録(日) | ||||||
内容記述タイプ | Other | |||||
内容記述 | メタン(CH_4)濃縮装置とガスクロマトグラフ-燃焼炉-同位体比質量分析計を用いた大気中メタンの炭素同位体比(δ^(13)CH_4)分析システムを開発した.本システムは,100 mlの大気試料(標準状態で0.18μlのCH_4)を用いて0.07‰の再現性でδ^(13)CH_4を分析することが可能である.2002年から2008年にかけて,空気ベースCH4標準ガスのδ^(13)CH_4を繰り返し分析することにより,δ^(13)CH_4分析値の信頼性を確認した.国立極地研究所において大気中のCH_4濃度とδ1^(13)CH_4の日変化を観測し,両者の関係からCH4 濃度の変動原因について情報が得られることを確認した. | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A high-precision measurement system for the carbon isotope ratio of atmospheric CH4 (δ^(13)CH_4) was developed using a pre-concentration device for CH4 and a gas chromatograph-combustion-isotope ratio mass spectrometer (GC-C-IRMS). The measurement system required 100 mlSTP of an atmospheric air sample, corresponding to approximately 0.18μlSTP of CH_4, to determine the δ^(13)CH_4 value with a reproducibility of 0.07‰. Replicated analyses of a CH_4-in-air standard gas during the period from 2002 to 2008 indicated that the value of δ^(13)CH_4 measured by this system was consistent within the measurement reproducibility. To evaluate the δ^(13)CH_4 measurement system, thus developed, diurnal variations of the atmospheric CH_4 concentration and δ^(13)CH_4 were observed in the northern part of the Tokyo metropolitan area. From the relationship between the CH_4 concentration and δ^(13)CH_4, dominant sources of the observed CH4 fluctuations were identified. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00181831 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00857289 | |||||
書誌情報 |
南極資料 en : Antarctic Record 巻 53, 号 1, p. 1-8, 発行日 2009-03-30 |
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国際十進分類法 | ||||||
主題Scheme | UDC | |||||
主題 | 551.5 |