Research Advances in the Analysis of Nitrate Pollution Sources in a Freshwater Environment Using δ<sup>15</sup>N-NO<sub>3</sub><sup>−</sup> and δ<sup>18</sup>O-NO<sub>3</sub><sup>−</sup>
Nitrate is usually the main pollution factor in the river water and groundwater environment because it has the characteristics of stable properties, high solubility and easy migration. In order to ensure the safety of water supply and effectively control nitrate pollution, it is very important to ac...
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2021
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oai:doaj.org-article:920ebbb294a3414d91a7b9212295a2d32021-11-25T17:48:33ZResearch Advances in the Analysis of Nitrate Pollution Sources in a Freshwater Environment Using δ<sup>15</sup>N-NO<sub>3</sub><sup>−</sup> and δ<sup>18</sup>O-NO<sub>3</sub><sup>−</sup>10.3390/ijerph1822118051660-46011661-7827https://doaj.org/article/920ebbb294a3414d91a7b9212295a2d32021-11-01T00:00:00Zhttps://www.mdpi.com/1660-4601/18/22/11805https://doaj.org/toc/1661-7827https://doaj.org/toc/1660-4601Nitrate is usually the main pollution factor in the river water and groundwater environment because it has the characteristics of stable properties, high solubility and easy migration. In order to ensure the safety of water supply and effectively control nitrate pollution, it is very important to accurately identify the pollution sources of nitrate in freshwater environment. At present, as the most accurate source analysis method, isotope technology is widely used to identify the pollution sources of nitrate in water environment. However, the complexity of nitrate pollution sources and nitrogen migration and transformation in the water environment, coupled with the isotopic fractionation, has changed the nitrogen and oxygen isotopic values of nitrate in the initial water body, resulting in certain limitations in the application of this technology. This review systematically summarized the typical δ<sup>15</sup>N and δ<sup>18</sup>O-NO<sub>3</sub><sup>−</sup> ranges of NO<sub>3</sub><sup>−</sup> sources, described the progress in the application of isotope technique to identify nitrate pollution sources in water environment, analyzed the application of isotope technique in identifying the migration and transformation of nitrogen in water environment, and introduced the method of quantitative source apportionment. Lastly, we discussed the deficiency of isotope technique in nitrate pollution source identification and described the future development direction of the pollution source apportionment of nitrate in water environment.Chao NiuTianlun ZhaiQianqian ZhangHuiwei WangLele XiaoMDPI AGarticlenitrateisotope techniquepollution sourcesisotopic fractionationsource apportionmentMedicineRENInternational Journal of Environmental Research and Public Health, Vol 18, Iss 11805, p 11805 (2021) |
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EN |
| topic |
nitrate isotope technique pollution sources isotopic fractionation source apportionment Medicine R |
| spellingShingle |
nitrate isotope technique pollution sources isotopic fractionation source apportionment Medicine R Chao Niu Tianlun Zhai Qianqian Zhang Huiwei Wang Lele Xiao Research Advances in the Analysis of Nitrate Pollution Sources in a Freshwater Environment Using δ<sup>15</sup>N-NO<sub>3</sub><sup>−</sup> and δ<sup>18</sup>O-NO<sub>3</sub><sup>−</sup> |
| description |
Nitrate is usually the main pollution factor in the river water and groundwater environment because it has the characteristics of stable properties, high solubility and easy migration. In order to ensure the safety of water supply and effectively control nitrate pollution, it is very important to accurately identify the pollution sources of nitrate in freshwater environment. At present, as the most accurate source analysis method, isotope technology is widely used to identify the pollution sources of nitrate in water environment. However, the complexity of nitrate pollution sources and nitrogen migration and transformation in the water environment, coupled with the isotopic fractionation, has changed the nitrogen and oxygen isotopic values of nitrate in the initial water body, resulting in certain limitations in the application of this technology. This review systematically summarized the typical δ<sup>15</sup>N and δ<sup>18</sup>O-NO<sub>3</sub><sup>−</sup> ranges of NO<sub>3</sub><sup>−</sup> sources, described the progress in the application of isotope technique to identify nitrate pollution sources in water environment, analyzed the application of isotope technique in identifying the migration and transformation of nitrogen in water environment, and introduced the method of quantitative source apportionment. Lastly, we discussed the deficiency of isotope technique in nitrate pollution source identification and described the future development direction of the pollution source apportionment of nitrate in water environment. |
| format |
article |
| author |
Chao Niu Tianlun Zhai Qianqian Zhang Huiwei Wang Lele Xiao |
| author_facet |
Chao Niu Tianlun Zhai Qianqian Zhang Huiwei Wang Lele Xiao |
| author_sort |
Chao Niu |
| title |
Research Advances in the Analysis of Nitrate Pollution Sources in a Freshwater Environment Using δ<sup>15</sup>N-NO<sub>3</sub><sup>−</sup> and δ<sup>18</sup>O-NO<sub>3</sub><sup>−</sup> |
| title_short |
Research Advances in the Analysis of Nitrate Pollution Sources in a Freshwater Environment Using δ<sup>15</sup>N-NO<sub>3</sub><sup>−</sup> and δ<sup>18</sup>O-NO<sub>3</sub><sup>−</sup> |
| title_full |
Research Advances in the Analysis of Nitrate Pollution Sources in a Freshwater Environment Using δ<sup>15</sup>N-NO<sub>3</sub><sup>−</sup> and δ<sup>18</sup>O-NO<sub>3</sub><sup>−</sup> |
| title_fullStr |
Research Advances in the Analysis of Nitrate Pollution Sources in a Freshwater Environment Using δ<sup>15</sup>N-NO<sub>3</sub><sup>−</sup> and δ<sup>18</sup>O-NO<sub>3</sub><sup>−</sup> |
| title_full_unstemmed |
Research Advances in the Analysis of Nitrate Pollution Sources in a Freshwater Environment Using δ<sup>15</sup>N-NO<sub>3</sub><sup>−</sup> and δ<sup>18</sup>O-NO<sub>3</sub><sup>−</sup> |
| title_sort |
research advances in the analysis of nitrate pollution sources in a freshwater environment using δ<sup>15</sup>n-no<sub>3</sub><sup>−</sup> and δ<sup>18</sup>o-no<sub>3</sub><sup>−</sup> |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/920ebbb294a3414d91a7b9212295a2d3 |
| work_keys_str_mv |
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1718411998699454464 |