首页|基于地球物理方法的典型DNAPLs污染场地精细化调查

基于地球物理方法的典型DNAPLs污染场地精细化调查

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采用高密度电阻率(ERT)和探地雷达(GPR)两种地球物理方法,结合膜界面探测(MIP)和钻孔采样分析手段,综合研究某典型有机污染场地地下水中DNAPLs污染分布情况.结果表明,ERT法和GPR法圈定的场地污染范围基本吻合,DNAPLs污染物主要分布在研究区东北和西南区域,污染深度分别达到4 m和9 m,视电阻率为0.3 Ω·m～5 Ω·m,呈带状低阻分布,MIP和钻孔采样分析结果也验证了地球物理方法的准确性.
Detailed Investigation of Typical DNAPLs Contaminated Sites Based on Geophysical Methods
In this paper,two geophysical methods,multi-electrode resistivity(ERT)and ground-penetrating radar(GPR),combined with membrane interface probe(MIP)and borehole sampling analysis were used to com-prehensively study the distribution of DNAPLs pollution in groundwater of a typical organic contaminated site.The results showed that the site pollution scope delimited by ERT and GPR were basically consistent.DNAPLs pollutants were mainly distributed in the northeast and southwest regions of the study area.The pollution depth reached 4 m and 9 m respectively.The apparent resistivity ranged from 0.3 Ω·m to 5 Ω·m,presenting a zonal low resistivity distribution.The results by MIP and borehole sampling also verified the accuracy of geophysi-cal methods.

Dense non-aqueous phase liquids(DNAPLs)Multi-electrode resistivity method(ERT)Ground-penetrating radar method(GPR)Contaminated site investigation

尹芝华、王水、冯亚松、吕良华、王海鑫

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江苏省环境科学研究院,江苏 南京 210036

江苏省土壤与地下水污染防控工程研究中心,江苏 南京 210036

重质非水相液体 高密度电阻率法 探地雷达法 污染场地调查

国家重点研发计划基金资助项目国家重点研发计划基金资助项目中国博士后科学基金资助项目南京市博士后科研资助计划基金资助项目

2019YFC18040002022YFC37025002022M7113972021040

2024

环境监测管理与技术
江苏省环境监测中心,南京市环境监测中心站

环境监测管理与技术

CSTPCD北大核心
影响因子：1.086
ISSN：1006-2009
年,卷(期)：2024.36(2)
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