摘要
水体氮污染是目前全球重点关注的环境问题,硝酸盐是水体中无机氮的主要存在形式之一。因此,有效识别硝酸盐的污染来源是防治水体氮污染的前提。总结了硝酸盐污染源的氮、氧同位素组成,对比了4种同位素样品的预处理方法,阐明了氮、氧同位素主要测定方法及定量分析的数学模型,并提出了该技术在河流氮素污染源解析领域的发展方向。
Nitrogen pollution of water bodies is an important environmental problem which has raised worldwide concern, and nitrate is one of main form of nitrogenous pollutants in water. Therefore, effective identification of nitrate pollution sources is the precondition for preventing nitrogen pollution in water bodies. In this paper revieweb, the composition of nitrogen and oxygen stable isotopes were compared in main nitrate sources were summarized, pretreatment methods of four isotope samples were compared, and the main determination methods of nitrogen and oxygen stable isotopes and the mathematical models of quantitative analysis in water were expounded. Furthermore, the development directions of stable isotopes in this field were proposed in future research.
作者
孙文青
陆光华
薛晨旺
余文杰
SUN Wen-qing;LU Guang-hua;XUE Chen-wang;YU Wen-jie(Water Conservancy Project & Civil Engineering College, Tibet Agriculture & Animal Husbandry University , Linzhi 860000, China)
出处
《四川环境》
2019年第3期193-198,共6页
Sichuan Environment
基金
国家自然科学基金(51769034)
关键词
硝酸盐污染
氮氧同位素
源解析
污染源贡献率
Nitrate source pollution
nitrogen and oxygen stable isotopes
source identification
contribution ratio of pollution source
