| 氮同位素比（^15N／^14N）在地下水氮污染研究中的应用基础 |
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| 关键词:nitrogen isotope groundwater |
| 基金项目:地质矿产部环境地质开放实验室支持项目 |
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| Basis for the Use of Nitrogen Isotopes to Identify Nitrogen Contamination of Groundwater |
| Shallow groundwater is the nitrogen reservoir (converge) at continent. In north China, nitrate concentrations (mg N/l) and δ 15 N values (%, air) of groundwater are as follows: 4.4 and ≤+5 (in the raw), 20-70 and +10-+20 (from sewer leakage), 30-60 and -2-+5 (from chemical fertilizer). So, nitrogen isotopes can be used to distinguish among different poliution sources and nitrogen transformations. |
| WANG Dong-sheng.1997.Basis for the Use of Nitrogen Isotopes to Identify Nitrogen Contamination of Groundwater[J].Acta Geoscientica Sinica,18(2):220-223. |
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