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- W2366707963 abstract "NO-3 contamination in groundwater has become more and more serious day by day.In this study,nitrogen isotopes and hydrochemistry for groundwater are investigated to determine and identify the extent and sources of contamination from NO-3 in the groundwater.Inorganic nitrogen compounds in the groundwater mainly exist in the species of NO-3,whose content rations range from 2.94 mg/L to 28 mg/L.10% of the total samples have NO-3 content rations which exceed the drinking water standard of 20 mg/L.The hydrochemical types are complicated,showing the influence on the groundwater by industry,agriculture and people's activities.The 15N values of groundwater range from 5.9‰ to 10.2‰.Nitrogen isotopic compositions indicate that the major sources of NO-3 in groundwater are mineralized soil organic nitrogen,animal wastes and wastewater.NO-3 in the groundwater in the western part is mainly affected by sewage.The shallow groundwater is affected significantly greater than the middle groundwater,and the southeastern region is mainly affected by the soil organic nitrogen.NO-3-N in agriculture wells is greater than that in drinking wells,and nitrogen isotopes analysis shows that agricultural wells have point-like pollution such as fertilizers and animal manure." @default.
- W2366707963 created "2016-06-24" @default.
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- W2366707963 date "2011-01-01" @default.
- W2366707963 modified "2023-09-24" @default.
- W2366707963 title "Groundwater Nitrate Contamination and Nitrate Source Isotope Identification of the Groundwater in a Typical Area" @default.
- W2366707963 hasPublicationYear "2011" @default.
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