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Depth Profiles of Radiocarbon and Carbon Isotopic Compositions of Organic Matter and CO_2 in a Japanese Forest Area((2)Summaries of Research Using AMS)
https://doi.org/10.18999/sumrua.17.155
https://doi.org/10.18999/sumrua.17.155f5cbc569-b838-42aa-9030-7a597cd76999
名前 / ファイル | ライセンス | アクション |
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KJ00005461840.pdf (550.6 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-06-08 | |||||
タイトル | ||||||
タイトル | Depth Profiles of Radiocarbon and Carbon Isotopic Compositions of Organic Matter and CO_2 in a Japanese Forest Area((2)Summaries of Research Using AMS) | |||||
言語 | en | |||||
著者 |
劉, 衛
× 劉, 衛× LIU, Wei× 森泉, 純× MORIIZUMI, Jun× 山澤, 弘実× YAMAZAWA, Hiromi× 飯田, 孝夫× IIDA, Takao |
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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 | |||||
権利 | ||||||
言語 | ja | |||||
権利情報 | 名古屋大学年代測定資料研究センター | |||||
権利 | ||||||
言語 | ja | |||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | soil | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | soil CO_2 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | soil organic matter | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | specific activity of ^<14>C | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | carbon isotopic composition (Δ^<14>C) | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | depth profiles | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | sources | |||||
抄録 | ||||||
内容記述 | Specific activities of ^<14>C and carbon isotopic compositions (Δ^<14>C) in organic matter and CO_2 in a Japanese forest soil were determined. For investigating the transport of CO_2 in soil, the specific activities of ^<14>C and Δ^<14>C within the organic layer on the top of soil surface and the atmospheric CO_2 were also determined. The specific activity of ^<14>C and Δ^<14>C in the organic matter decreased with the increasing soil depth of 0-60 cm while that of the soil CO_2 was not significantly variable at the soil depth of 13-73 cm and was larger than that in the atmospheric CO_2. Peaks of specific activities of ^<14>C appeared at the depth of 0-4 cm and Δ^<14>C values were positive in the depth range from 0 to 15 cm. These results suggested that the present soil at depth of 0-4 cm had been produced since the mid-1950s up until 1963 and the bomb C had reached the depth of 15 cm in the objective soil area. The soil CO_2 at the depth of 53-73 cm were assumed to originate only from the decomposition of soil organic matter and the respiration of live roots, the respiration of live roots was estimated to have seasonal variations and be the main source of the soil CO_2 at the deeper horizons in the present forest area. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | タンデトロン加速器質量分析計業績報告 Summaries of Researches Using AMS 2005 (平成17)年度 | |||||
言語 | ja | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
言語 | ja | |||||
出版者 | 名古屋大学年代測定資料研究センター | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
ID登録 | ||||||
ID登録 | 10.18999/sumrua.17.155 | |||||
ID登録タイプ | JaLC | |||||
関連情報 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110007150941/ | |||||
書誌情報 |
ja : 名古屋大学加速器質量分析計業績報告書 巻 17, p. 155-164, 発行日 2006-03 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher |