Polar thermosphere-stratosphere photochemical coupling experiment : Two rocket measurements in polar winter at 69°N

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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) × 10<SUP>8</SUP> cm<SUP>-3</SUP> 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

  • Earth, planets and space

    Earth, planets and space 50(9), 745-753, 1998-09

    The Seismological Society of Japan, Society of Geomagnetism and Earth, Planetary and Space Sciences, The Volcanological Society of Japan , The Geodetic Society of Japan , The Japanese Society for Planetary Sciences

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各種コード

  • NII論文ID(NAID)
    10003735960
  • NII書誌ID(NCID)
    AA11211921
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13438832
  • NDL 記事登録ID
    4590644
  • NDL 雑誌分類
    ZM41(科学技術--地球科学)
  • NDL 請求記号
    Z54-J298
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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