摘要
酸雨对水体和农田、城市等系统造成的危害已越来越受到许多研究者的重视,因此为探明近年来长沙市酸雨的变化趋势及其影响因素,利用近10年降水pH值、酸雨频率等数据探讨了长沙市酸雨变化的趋势,分析了长沙市酸雨的成因.结果表明,长沙市的酸雨冬、春两季较为严重,酸性降水的形成与环境空气质量、机动车尾气、土壤性质等多种因素有关.在此基础上,提出了预防酸雨的一些措施.
Acid rain is a serious environmental problem with impact on agriculture, water and urban ecosystem. On the basis of comprehensive analysis of precipitation data in Changsha city through the past ten years, the changing tendency of acid rain and the formative causes of acid rain in Changsha city are analyzed. Results show that the acid rain in Changsha city is serious in winter and spring. The formation of the acid precipitation has correlation with the quality of atmosphere, tail gas of motor vehicles and soil quality together. Some prementive measurements are also put forward.
出处
《华南师范大学学报(自然科学版)》
CAS
2008年第3期89-94,共6页
Journal of South China Normal University(Natural Science Edition)
关键词
酸雨
长沙
防治
acid rain
Changsha city
feature