Polar thermosphere-stratosphere photochemical coupling experiment: Two rocket measurements in polar winter at 69°N
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- Iwagami Naomoto
- Department of Earth and Planetary Physics, University of Tokyo
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- Yamamoto Hiromasa
- Department of Physics, Rikkyo University
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- Yajima Ken-ichi
- Department of Physics, Rikkyo University
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- Sekiguchi Hiroyuki
- Department of Physics, Rikkyo University
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- Watanabe Takashi
- Tsukuba College of Technology
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- Suzuki Katsuhisa
- Faculty of Education, Yokohama National University
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- Shibasaki Kazuo
- Faculty of Literature, Kokugakuin University
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- Amemiya Hiroshi
- Institute of Physical and Chemical Research
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- Yamamoto Masayuki
- Faculty of Science, Tohoku University
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- Ono Takayuki
- Faculty of Science, Tohoku University
書誌事項
- タイトル別名
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- Polar thermosphere-stratosphere photoch
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Two rocket experiments were carried out just before and after the polar night at Andoya (69°N), Norway to investigate transport of nitric oxide produced by auroral processes into the middle atmosphere and its influence on the ozone chemistry. Nitric oxide densities of (2-5) × 108 cm-3 found in the 70-90 km region are one to two orders of magnitude larger than those at middle latitudes. The measured density profiles appear to agree semiquantitatively with model simulations which includes auroral processes. The influence on ozone densities in the 70-90 km region due to such enhanced nitric oxide abundance is found to be still insignificant as compared to that due to transport in the middle of February, one month after the end of polar night and one month before the spring equinox. The larger ozone densities found in February (in spite of longer sunlit duration) than in November in the 40-60 km region again support predominance of transport over photochemical destruction.
収録刊行物
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- Earth, Planets and Space
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Earth, Planets and Space 50 (9), 745-753, 1998
地球電磁気・地球惑星圏学会 、公益社団法人 日本地震学会、特定非営利活動法人 日本火山学会、日本測地学会、日本惑星科学会
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詳細情報 詳細情報について
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- CRID
- 1390282681486980352
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- NII論文ID
- 10003735960
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- NII書誌ID
- AA11211921
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- COI
- 1:CAS:528:DyaK1MXlsVeksA%3D%3D
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- ISSN
- 18805981
- 13438832
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- NDL書誌ID
- 4590644
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可