研究了深圳市1991~2004年的酸雨时空分布、降雨化学组成及其成因分析。结果表明,深圳市酸雨14年间pH平均值为4.98,酸雨频率为44.2%;降雨中SO4^2-与NO3^-比值是3.78:1,低于全国平均值6.4;酸雨夏秋两季较为严重,主要集中在3~9月份,而冬春两季降雨酸度和酸雨频率均较小;酸雨强度由西向东依次减弱;降雨中离子来源主要是工业和交通排放的酸性污染物,但陆地源和海洋源对降雨酸度的影响也较大。
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