Using variances in hydrocarbon concentration and carbon stable isotope to determine the important influence of irrigated water on petroleum accumulation in surface soil
文献类型: 外文期刊
第一作者: Zhang, Juan
作者: Zhang, Juan;Wang, Renqing;Dai, Jiulan;Zhang, Juan;Hou, Hong;Du, Xiaoming;Yang, Juncheng;Wang, Renqing;Dai, Jiulan
作者机构:
关键词: Wastewater irrigation;Atmospheric deposition;Soil contamination;Aliphatic hydrocarbons;Compound-specific isotopes;Multivariate statistical analysis
期刊名称:ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH ( 影响因子:4.223; 五年影响因子:4.306 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Hunpu is a wastewater-irrigated area southwest of Shenyang. To evaluate petroleum contamination and identify its sources at the area, the aliphatic hydrocarbons and compound-specific carbon stable isotopes of n-alkanes in the soil, irrigation water, and atmospheric deposition were analyzed. The analyses of hydrocarbon concentrations and geo-chemical characteristics reveal that the water is moderately contaminated by degraded heavy oil. According to the isotope analysis, inputs of modern C3 plants and degraded petroleum are present in the water, air, and soil. The similarities and dissimilarities among the water, air, and soil samples were determined by concentration, isotope, and multivariate statistical analyses. Hydrocarbons from various sources, as well as the water/atmospheric deposition samples, are more effectively differentiated through principal component analysis of carbon stable isotope ratios (δ~(13)C) relative to hydrocarbon concentrations. Redundancy analysis indicates that 57.1 % of the variance in the δ~(13)C of the soil can be explained by the δ~(13)C of both the water and air, and 35.5 % of the variance in the hydrocarbon concentrations of the soil can be explained by hydrocarbon concentrations of both the water and the air.
分类号: X5
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