Identification of nitrogen-sources in an aquifer beneath a municipal solid waste landfill in the vicinity of multiple pollutant sources

Journal of Environmental Management
Zhiyong HanMo Xu

Abstract

Nitrogen contamination of groundwater has become a global issue and has aroused considerable concern among authorities. However, it is difficult to trace nitrogen sources in settings where a municipal solid waste (MSW) landfill site co-exists with intensive agriculture and other human activities. Therefore, a field investigation that combined a statistical analysis (factor analysis: FA) and hydrochemical analysis was designed and undertaken to identify nitrogen-pollutant sources in the shallow groundwater beneath an MSW landfill near to an agricultural area and human settlement. The results of the case study showed that nitrate was the specific pollutant produced by agricultural non-point-sources (Pbi = 15.5) and domestic pollution sources (Pbi = 41.0). The total phosphorus (Pbi = 37.2) and organic matter (Pbi = 16.6) were the specific pollutants released by the aquaculture and animal husbandry point-sources, and chloride (Pbi = 75.4) and organic matter (Pbi = 16.1) were the specific pollutants produced by the landfill. In the investigated area, the domestic pollution sources and agricultural non-point-sources were the most likely sources of nitrate contamination in the shallow aquifer. However, the landfill source and the aqua...Continue Reading

References

Dec 21, 2004·Water Research·Fernando T Wakida, David N Lerner
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Jun 13, 2008·Environmental Science & Technology·John B GatesW Mike Edmunds
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Jul 9, 2016·The Science of the Total Environment·Zhiyong HanQingqing Shi
Dec 15, 2016·The Science of the Total Environment·S R SamadderM S Chauhan

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Citations

Sep 26, 2020·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Meichun LiuXuefeng Yin

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