Electrical resistivity and induced polarization tomographies to test the efficiency and safety of the new landfill of Bellolampo (Palermo, Italy)

IF 0.7 4区 地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS
D. Luzio, R. Martorana, P. Capizzi, A. D’Alessandro
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引用次数: 5

Abstract

A geophysical study by means of electrical resistivity and induced polarization tomographies was carried out in the landfill site of Bellolampo (Palermo, Italy) to check the integrity of the landfill liner and to detect possible leachate plumes. Preliminarily, synthetic tests were performed, simulating acquisition data along profiles placed above resistivity distribution, suitable to represent landfills protected with an high-density polyethylene (HDPE) liner at the bottom or with possible leachate plumes. Optimized array data sets for parallel measurements have been tested in order to assess the resolution and the effectiveness of tomographic images, comparing inversions with and without the constraint of the HDPE liner position. Based on the obtained results, three electrical tomographies have been planned and carried out directly over the landfill and nearby. The results provided useful information for identifying the electrical properties of the rock, waste, and leachate; for identifying snags and disruption of the tank bottom liner; and for pointing out possible polluting leachate nearby and below the landfill.
电阻率和感应极化层析成像技术测试Bellolampo (Palermo, Italy)新垃圾填埋场的效率和安全性
在意大利巴勒莫的Bellolampo垃圾填埋场进行了电阻率和感应极化层析成像的地球物理研究,以检查垃圾填埋场衬垫的完整性并检测可能的渗滤液羽流。初步进行了合成测试,沿着电阻率分布上方的剖面模拟采集数据,适合代表底部有高密度聚乙烯(HDPE)衬垫或可能有渗滤液羽流的垃圾填埋场。为了评估层析成像的分辨率和有效性,对并行测量的优化阵列数据集进行了测试,并比较了在HDPE衬垫位置约束下和不受约束的反演结果。根据获得的结果,已经计划并直接在垃圾填埋场及其附近进行了三次电层析成像。研究结果为鉴定岩石、废物和渗滤液的电学性质提供了有用的资料;用于识别罐底衬垫的障碍和破坏;并指出垃圾填埋场附近和下方可能存在的污染渗滤液。
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来源期刊
Bollettino Di Geofisica Teorica Ed Applicata
Bollettino Di Geofisica Teorica Ed Applicata 地学-地球化学与地球物理
自引率
0.00%
发文量
0
审稿时长
>12 weeks
期刊介绍: The "Bollettino di Geofisica Teorica ed Applicata" is an international open access journal dedicated to the publication of original papers dealing with Deep Earth Geophysics, Near Surface Geophysics, Exploration Geophysics, Borehole Geophysics, Geodynamics and Seismotectonics, Seismology, Engineering Seismology, Geophysical Modelling, Geodesy, Remote Sensing, Seismic and Geodetic Networks, Oceanography, and their application in the fields of Energy, Natural Resources, Environment and Climate, Policies and Regulations, Risk and Security, Technological Development.
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