1993年夏中国, 北京で行われた大気エアロゾルの気球観測 : 形状, サイズ, 濃度 Balloon-Borne Measurements of Atmospheric Aerosol Particles at Beijing, China in Summer of 1993 : Morphology, Size and Concentration

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Tropospheric and stratospheric aerosol particle size, number density, and morphological feature were observed in August, 1993 at Beijing, China (40°N, 116°E). Irregular shape particles, possibly soil particles, were frequently observed in the free troposphere on the basis of scanning electron microscopic measurements of individual particles collected on the surface of carbon-coated nitrocellulose (collodion) films with a balloon-borne particle counter. In the stratosphere the particles with 'satellite structure' which has been recognized as a typical feature of sulfuric acid droplets on carbon deposited surface were major particles. Ammonium sulfate particles were frequently identified in the mid troposphere. The number density of the particles with their diameter, d, larger than 0.4 μm was about 3 particles/cm<SUP>3</SUP> near the density peak of the stratospheric aerosol layer, suggesting that the disturbance due to the volcanic eruption of Mt. Pinatubo (1991; Philippine) remained in the stratosphere. Less uniformity in number density profiles of the particles with d ≥ 0.4 μm was observed in the troposphere, suggesting the effect of dynamical air motions with various spacial scales over the Asian continent in summer on aerosol density distributions.

収録刊行物

  • エアロゾル研究 = Journal of aerosol research  

    エアロゾル研究 = Journal of aerosol research 12(4), 320-326, 1997-12-20 

    日本エアロゾル学会

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各種コード

  • NII論文ID(NAID)
    10002687821
  • NII書誌ID(NCID)
    AN10041511
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09122834
  • NDL 記事登録ID
    4382756
  • NDL 雑誌分類
    ZP5(科学技術--化学・化学工業--化学工学)
  • NDL 請求記号
    Z17-1062
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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