山东国土资源2019，Vol.35Issue(2)：49-52,4.
硝酸盐水质污染与污染源类型的相关性以及氮同位素的应用分析
The Correlation of Nitrate Water Pollution and its Source Type and Application Analysis of Nitrogen Isotope
摘要
Abstract
In order to study the contribution of all kinds of pollution sources to the nitrate value in Laiwu city, selecting the nitrate value that meet the corresponding pollution types from all kinds of sources water monitoring results of groundwater pollution investigation project in Laiwu city, it is showed that the primary pollution source is livestock, and followed by agricultural non-point source, solid waste, industrial waste water discharge, domestic sewage and mine drainage. In order to identify the source of nitrate in underground water resource in Laiwu city, by choosing 10 isotope sampling points, δ15N and δ18O have been tested. It is showed that the δ15N value is (5.82～19.95) ×10-3, and the δ18O value is (-8.76～-5.34) ×10-3. According to the location of δ15N and δ18O value of sampling points in the value domain and hydrogeological conditions, it is showed that the nitrate sources of the 10 isotope sampling points are manure, chemical fertilizer, industrial pollution and the specific value of 15N and δ18O of some points are larger than 2, which can basically prove the existence of denitrification.关键词
硝酸盐/氮氧同位素/污染来源Key words
Nitrate/nitrogen and oxygen isotopes/pollution source分类
资源环境引用本文复制引用
王超..硝酸盐水质污染与污染源类型的相关性以及氮同位素的应用分析[J].山东国土资源,2019,35(2):49-52,4.基金项目
山东省2016年度地质勘查项目,山东省重点城市1:5万地下水污染调查(莱芜市)(鲁勘字[2016]67号) （莱芜市）
