沖縄辺戸で観測された人為起源エアロゾルと黄砂の輸送 Transport of Anthropogenic and Dust Aerosol Observed at Cape Hedo, Okinawa

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著者

    • 高見 昭憲 TAKAMI Akinori
    • 国立環境研究所 アジア自然共生研究グループ Asian Environmental Research Group, National Institute for Environmental Studies
    • 清水 厚 [他] SHIMIZU Atsushi
    • 国立環境研究所 アジア自然共生研究グループ Asian Environmental Research Group, National Institute for Environmental Studies
    • 松井 一郎 MATSUI Ichiro
    • 国立環境研究所 大気圏環境研究領域 Atmospheric Environment Division, National Institute for Environmental Studies
    • 杉本 伸夫 SUGIMOTO Nobuo
    • 国立環境研究所 大気圏環境研究領域 Atmospheric Environment Division, National Institute for Environmental Studies
    • 畠山 史郎 HATAKEYAMA Shiro
    • 国立環境研究所 アジア自然共生研究グループ Asian Environmental Research Group, National Institute for Environmental Studies

抄録

We observed anthropogenic aerosols and dust particles (Kosa) successively from 7 to 9 November 2005 at Cape Hedo, Okinawa with high time resolution apparatuses. An aerosol mass spectrometer with the time resolution of 10 min showed that peaks due to anthropogenic aerosol appeared at 0:00 and 15:00 on November 7. The first peak was not associated with Kosa though the cold front passed. The second one was observed at the observation point just before Kosa arrived, which was measured by Lidar system with 15 min resolution. Kosa event continued after the anthropogenic aerosols decreased. The EC/OC ratio was constant at 0.2 during the whole event. This indicates that the anthropogenic aerosol continued to be transported even when Kosa dominated.<BR> The transport pattern of both anthropogenic aerosol and Kosa was as follows. The anthropogenic aerosol originated from Taiwan and southern China was transported associating with the cold front. Then, under the high pressure system moving toward east, both anthropogenic aerosol and Kosa were transported together from China. In this case, the anthropogenic aerosol arrived slightly earlier. Kosa was continuously transported under the second high pressure system. As a result, Kosa dominated the later period of this event.

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 21(4), 341-347, 2006-12-20 

    日本エアロゾル学会

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各種コード

  • NII論文ID(NAID)
    10018792415
  • NII書誌ID(NCID)
    AN10041511
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09122834
  • NDL 記事登録ID
    8619314
  • 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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