大气降水中稳定同位素研究进展

被引:6
作者
武瑶 [1 ,2 ]
徐志方 [1 ]
机构
[1] 中国科学院地质与地球物理研究所
[2] 中国科学院大学
关键词
大气降水; 氮同位素; 硫同位素; 锶同位素;
D O I
10.14050/j.cnki.1672-9250.2013.06.012
中图分类号
P426.612 [];
学科分类号
0706 ; 070601 ;
摘要
酸雨是目前人类所面临的主要环境问题之一,中国已成为继欧洲和北美之后的世界第三大酸雨区。大气降水化学组成、物质来源及其贡献是酸沉降研究的重要内容,可以为酸雨成因、发展趋势和制定相应政策提供依据。大气降水同位素组成是解析和确定降水物质来源及其贡献的重要手段。大气中的二氧化硫和氮氧化合物是导致雨水酸化的两个主要组分,另外我国大气降水中还含有大量碱性离子可以中和雨水中的酸性物质。本文对硫、氮、锶同位素在大气降水中物质示踪方面的应用进行了总结,并提出了一些值得重视的研究方向。
引用
收藏
页码:688 / 695
页数:8
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