• 关键词：气溶胶  降水  粒径  缓冲

• 基金项目：

• 王玮
• 中国环境科学研究院,北京

• 姜振远
• 中国环境科学研究院,北京

• 张孟衡
• 中国环境科学研究院,北京

• 王文兴
• 中国环境科学研究院,北京

• 摘要：运用物理与化学相结合的方法研究了我国华南地区大气气溶胶的污染特征,并探讨了气溶胶与酸性降水的相互关系.研究表明,降水对气溶胶的数量和性质有一定影响,气溶胶酸化缓冲能力的不足,是华南地区酸性降水污染较重的重要原因之一.

• Abstract：The pollution characteristic of the atmospheric aerosols in South China and the relationship between aerosol and acid precipitation was 晄tudied. It was found that the precipitation had some relationship with the aerosol concentration and property. The weak buffer capacity of the aerosol is one of the reasons for the acid precipitation occurring in this region.

• Key words：aerosol  precipitation  particle size  buffer capacity.

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