VARIATIONS OF THE CO_2,CH_4 AND N_2O CONCENTRATIONS AND δ^<13>C OF CO_2 IN THE GLACIAL PERIOD DEDUCED FROM AN ANTARCTIC ICE CORE, SOUTH YAMATO
スポンサーリンク
概要
- 論文の詳細を見る
To reconstruct variations of atmospheric greenhouse gases in the glacial period, air in an ice core recovered from a bare ice field in the southern part of the Yamato Mountains, Antarctica was extracted and then the CO_2,CH_4 and N_2O concentrations and δ^<13>C of CO_2 were analyzed. The CO_2,CH_4 and N_2O concentrations were obviously lower than the pre-industrial Holocene values, suggesting that this ice core was formed in the glacial period. The variations of the CO_2,CH_4 and N_2O concentrations during the glacial period showed a good correlation with that of δ^<18>O of ice from the core. The CO_2 concentrations varied almost opposite in phase with δ^<13>C, which implies that CO_2 with isotopically light carbon was added to or subtracted from the atmosphere in the glacial period.
- 国立極地研究所の論文
著者
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Watanabe Okitsugu
National Institute of Polar Research, Research Organization of Information and Systems
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Fujii Yoshiyuki
National Institute of Polar Research, Research Organization of Information and Systems
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Narita Hideki
Institute of Low Temperature Science Pan-Okhotsk Research Center, Hokkaido University
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張 紀久夫
阪大基:福井工大工
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Watanabe Okitsugu
National Institute Of Polar Research
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Nakazawa Takakiyo
Center for Atmospheric and Oceanic Studies, Tohoku University
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Narita Hideki
Institute Of Low Temperature Science Pan-okhotsk Research Center Hokkaido University
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Nakazawa Takakiyo
Center For Atmospheric And Oceanic Studies Graduate School Of Science Tohoku University
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AOKI Shuhji
National Institute of Polar Research
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Aoki S
Center For Atmospheric And Oceanic Studies Graduate School Of Science Tohoku University
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清水 明
東大教養
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Aoki Shuji
Center For Atmospheric And Oceanic Studies Graduate School Of Sci. Tohoku Univ.
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Aoki Shuhji
Faculty Of Science Tohoku University
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Narita Hideki
Institute Of Low Temperature Science Hokkaido University
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Fujii Yoshiyuki
National Institute Of Polar Research
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Watanabe Okitsusgu
National Institute of Polar Research
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MACHIDA Toshinobu
Center for Atmospheric and Oceanic Studies, Faculty of Science, Tohoku University
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Nakazawa Takakiyo
Center For Atmospheric And Oceanic Studies Graduate School Of Sci. Tohoku Univ.
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Nakazawa Takakiyo
Center For Atmospheric And Oceanic Studies Faculty Of Science
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清水 明
Center For Atmospheric And Oceanic Studies Graduate School Of Science Tohoku University
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Nakazawa T
Center For Atmospheric And Oceanic Studies Faculty Of Science
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