発生源近傍のSPM, CO濃度に及ぼすバックグラウンド濃度の影響 Influence of Background Concentrations on SPM and CO Concentrations near Emission Sources

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著者

    • 酒井 敏 SAKAI Satoshi
    • 京都大学大学院人間・環境学研究科 Graduate School of Human and Environmental Studies, Kyoto University

抄録

SPM and CO concentrations are low during the day time because the atmosphere is well mixed. In summer, solar radiation is twice as high as that in winter. So the atmospheric mixing during the day is stronger in summer than winter. However, in Kyoto, SPM and CO concentrations are not low in summer compared to winter. In order to reveal the reasons of these diurnal concentration variations, we estimated SPM and CO background concentrations using the data of the Atmospheric Environmental Regional Observation System in Kyoto. We conclude that SPM and CO diurnal concentration variations are caused by the following reasons; (a) SPM or CO concentrations decrease to SPM or CO background concentrations and (b) SPM background concentration is the highest in summer and is the lowest in winter and CO background concentration is almost constant through all seasons.

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 22(1), 35-40, 2007-03-20 

    日本エアロゾル学会

参考文献:  14件

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各種コード

  • NII論文ID(NAID)
    10021918058
  • 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
    8750277
  • 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  NDL  J-STAGE 
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