研究论文
刘帅仁,黄美元.大气气溶胶在云下雨水酸化过程中的作用[J].环境科学学报,1993,13(1):1-10
大气气溶胶在云下雨水酸化过程中的作用
- THE EFFECTS OF AEROSOL ON THE ACIDIFICATION PROCESS OF RAIN BELOW THE CLOUD
- 摘要：采用云下雨水酸化模式的数值模拟,较全面地研究了气溶胶对雨水中几种离子组分(H+、SO42-、NO2-、NH4+)的影响.计算分析了不同气溶胶浓度和酸度在不同污染条件下气溶胶的作用和贡献.结果表明,由于气溶胶的物理化学特性不同,气溶胶对雨水可以起酸化作用,也可以起碱化作用;根据实测资料,计算分析了重庆和北京地区气溶胶对雨水中离子组分的作用和贡献.
- Abstract：Using the model of the acidification process of rain below the cloud, the effects of aerosol on ion components in rain water (H+,SO42-, NO3-and NH4+) are investigated. The results show that aerosol has either acidification or al-kalization effects on rain as its physical and chemical characteristics are different. Generally the effects of aerosol on the H+, NO3-, NH4+ in rain water are important and can't be neglected.There is some contribution of SO42-. According to the observation, the effects and contribution of aerosol on rain in Chongqing and Beijing are calculated and analysed.
- Key words：aerosol acidification below cloud numerical simulation
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