中国土壌中Ca, Mgの分布特徴およびその大気中酸性物質との関係 Characteristics of Ca and Mg Distribution in Soil of China and Their Relationship to Acidic Pollutants in the Atmosphere

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Ca and Mg contents in 41 kinds of soil samples in China were measured and the regional distributions of Ca and Mg contents in the soil are presented as contour maps in this paper. The Ca and Mg contents in the soil samples are discussed in relation to the chemical components, the acid-buffering ability (ΔC<SUB>b</SUB>) of the atmospheric aerosol, and the acidification of precipitation. The contents of Ca and Mg decreased gradually from the north to the south and from the west to the east. The Ca content ranged from 0.01 to 16.3% with the average of 1.54%, and Mg varied from 0.2 to 4.0% with the average of 0.78%. The acid-buffering ability of aerosol in Northern China was 375∼1,710 neq/m<SUP>3</SUP>, which was much higher than -92.8∼71.3 neq/m<SUP>3</SUP> in Southern China. Generally, acid rain has been observed in Southern China but not in Northern china. The regional distributions of acid- buffering ability of atmospheric aerosol and the acidity of precipitation coincided with the distribution of Ca and Mg contents in the soil. These results indicated that there are strong relationships among the Ca and Mg contents in soil, the acid-buffering ability of atmospheric aerosol and the acidification of precipitation in China.

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 14(2), 171-180, 1999-06-20

    日本エアロゾル学会

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各種コード

  • NII論文ID(NAID)
    10002783442
  • 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
    4775437
  • 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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