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三陸上空の成層圏におけるN2Oアイソトポマーの高度分布
https://jaxa.repo.nii.ac.jp/records/33291
https://jaxa.repo.nii.ac.jp/records/332911fae78e4-f5ff-4559-b230-ba9dd6b3cbb6
名前 / ファイル | ライセンス | アクション |
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SA0200064.pdf (693.8 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 三陸上空の成層圏におけるN2Oアイソトポマーの高度分布 | |||||
言語 | ||||||
言語 | jpn | |||||
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 | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Vertical profiles of nitrous oxide isotopomers in the stratosphere over Sanriku | |||||
著者 |
豊田, 栄
× 豊田, 栄× 吉田, 尚弘× 占部, 太一郎× 青木, 周司× 中澤, 高清× 菅原, 敏× 本田, 秀之× Toyoda, Sakae× Yoshida, Naohiro× Urabe, Taichiro× Aoki, Shuji× Nakazawa, Takakiyo× Sugawara, Satoshi× Honda, Hideyuki |
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著者所属 | ||||||
東京工業大学総合理工学研究科 : 科学技術振興事業団 | ||||||
著者所属 | ||||||
東京工業大学総合理工学研究科 : 科学技術振興事業団 | ||||||
著者所属 | ||||||
東京工業大学総合理工学研究科 | ||||||
著者所属 | ||||||
東北大学理学研究科 | ||||||
著者所属 | ||||||
東北大学理学研究科 | ||||||
著者所属 | ||||||
宮城教育大学 | ||||||
著者所属 | ||||||
宇宙科学研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
Interdiscipinary Graduate School of Science and Engineering, Tokyo Institute of Technology : Japan Science and TechnologyCorporation | ||||||
著者所属(英) | ||||||
en | ||||||
Interdiscipinary Graduate School of Science and Engineering, Tokyo Institute of Technology : Japan Science and TechnologyCorporation | ||||||
著者所属(英) | ||||||
en | ||||||
Interdiscipinary Graduate School of Science and Engineering, Tokyo Institute of Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Science, Tohoku University | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Science, Tohoku University | ||||||
著者所属(英) | ||||||
en | ||||||
Miyagi University of Education | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Astronautical Science (ISAS) | ||||||
出版者 | ||||||
出版者 | 宇宙科学研究所 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science | |||||
書誌情報 |
宇宙科学研究所報告. 特集: 大気球研究報告 巻 41, p. 73-80, 発行日 2001-02 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 大気球に搭載されたクライオジェニックサンプラーにより三陸上空において採取された試料を質量分析法を用いて分析することにより,一酸化二窒素のアイソトポマー(^14N^15N^16O,^15N^14N^16O,および^14N^14N^18O)の成層圏における分布を求めた.これら重いアイソトポマーの^14N^14N^16O に対する存在度は高度とともに増加し,非常に大きな席選択(^14N^15N^16O,^15N^14N^16Oそれぞれの存在度の差)が観測された. このような重いアイソトポマーの濃縮は,既に報告されている光分解の模擬実験や光分解によって誘起される同位体分別効果に基づく理論的計算による予測と概ね一致した.得られた鉛直分布を詳細に解析した結果,観測結果と模擬実験または計算による予測との間にはいくつかの相違があり,成層圏の気団の起源,年代,輸送・混合過程や成層圏における太陽光のスペクトルの分布,また励起酸素原子(O(^1D))との反応のような他のN_2O消滅過程の寄与を解明するのにN_2Oのアイソトポマーの情報が有効である可能性が示唆された. | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The distribution of isotopomers of nitrous oxide (^14N^15N^16O,^15N^14N^16O, and ^14N^14N^18O) in the lower and middle stratosphere was observed over Sanriku, Japan (39 deg N,142 deg E ) using a balloon-borne cryogenic sampler and ground-based mass spectrometry. The abundance of the heavier iso-topomers relative to ^14N^14N^16O increased with altitude and remarkable site preference of nitrogen isotopomers, and difference between enrichment of ^14N^15N^16O and ^15N^14N^16O, were observed. This enrichment was generally expected from the previously reported simulation experiments of photolysis and theoretical calculations based on photo-induced isotopic fractionation effects. The detailed analyses of the vertical profiles showed several differences between the observations and the photolytic simulations / calculations. This suggests that the isotopomer data of stratospheric N_2O has a potential to clarify the origin, age, and transportation or mixing of air mass, the solar flux spectrum profiles in the stratosphere, and other sink processes such as a reaction with excited oxygen atom, O(^1D). | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0285-9920 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00354485 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: SA0200064000 |