| 东北某油田污染场地土壤总石油烃背景值的确定及污染特征 |
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| 引用本文： | 郑昭贤,苏小四,王威.东北某油田污染场地土壤总石油烃背景值的确定及污染特征[J].水文地质工程地质,2011,38(6):118-124. |
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| 作者姓名： | 郑昭贤 苏小四 王威 |
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| 作者单位： | 吉林大学环境与资源学院;吉林大学水资源与环境研究所; |
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| 基金项目： | 中国地质调查局“东北平原地下水污染调查评价综合研究及专题研究工作项目”(1212010913004) |
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| 摘 要： | 以2010年6月在东北某油田区野外调查获取的68个表层土壤样品和50个钻孔土壤样品总石油烃浓度测试结果为基础,运用相对累积概率分布曲线法确定该区土壤总石油烃背景值(或临界值),采用监测断面分析法、比拟法对所得结果进行验证,并以此为依据分析了研究区不同土地利用类型表层土壤和不同深度土壤中石油烃污染特征,进而对土壤石油烃污染程度进行评价。结果表明:运用相对累积概率分布曲线法所确定研究区土壤总石油烃背景值(或临界值)为10mg/kg。研究区芦苇湿地土中66.7%点位属中等及以上污染水平,稻田耕作土中73.1%点位属未污染或低污染水平;表层土壤总石油烃浓度空间变异性较大,表现出明显的点源污染特征。此外,表层土壤总石油烃浓度明显高于深层土壤,0～0.2m土层达到重度污染水平,以下深度总石油烃浓度逐渐降低,趋向背景值。这种情况与污染场地石油烃在垂向上的迁移过程主要以渗透作用为主有关。
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| 关 键 词： | 土壤石油烃 背景值 污染特征 污染评价 |
Estimation of the background(threshold) total petroleum hydrocarbon concentration and analysis of the characteristics of petroleum hydrocarbon contamination in a certain oilfield in Northeast China |
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| ZHENG Zhao-xian
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SU Xiao-si
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WANG Wei.Estimation of the background(threshold) total petroleum hydrocarbon concentration and analysis of the characteristics of petroleum hydrocarbon contamination in a certain oilfield in Northeast China[J].Hydrogeology and Engineering Geology,2011,38(6):118-124. |
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| Authors: | ZHENG Zhao-xian SU Xiao-si WANG Wei |
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| Institution: | 1.College of Environment and Resources,Jilin University,Changchun 130026,China; 2.Institute of Water Resources and Environment,Jilin University,Changchun 130026,China |
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| Abstract: | Based on 68 surface soil samples and 50 drilling soil samples which were obtained from a field survey in June 2010,the total petroleum hydrocarbon(TPH) background(threshold) concentration is determined using the Cumulative Probability Plots,and is compared with those of the monitoring cross section method.TPH characteristics of surface soil in different land-uses of the study area and longitudinal section soils in the contaminated sites are also analyzed with the available data.The soil TPH degree of contam... |
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| Keywords: | soil total petroleum hydrocarbon background(threshold) concentration contamination characteristics contamination evaluation |
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