机构地区：[1]Research & Develop Department, Geozone Asesores SL, Bétera, Spain
出 处：《Journal of Geoscience and Environment Protection》2021年第12期57-71,共15页地球科学和环境保护期刊（英文）
摘 要：The present paper describes the implementation of GPR 3D survey for detecting and delineating possible remain<span style="font-family:"">s</span><span style="font-family:""> of hydrocarbon plumes on a gas station. The 3D-imaging was used for the detection of anomalous zones that were analyzed with some relevant signal attributes extracted by digital signal processing. These signal attributes or parameters ha</span><span style="font-family:"">ve</span><span style="font-family:""> been the frequency of the maximum energy concentration on time-frequency distribution and instantaneous amplitude that could be related </span><span style="font-family:"">to</span><span style="font-family:""> the local response of the electromagnetic interaction and the presence of hydrocarbon plumes or soil contaminated area</span><span style="font-family:"">s</span><span style="font-family:"">. The implementation methodology took place at a gas station monitored with a piezometric sensor installation with soil layer information. The 3D-imaging of processed data and its slicing tool permits visualizing expected targets as pipes, tanks and installations in the subsoil exposing the anomalous zones for refined analyses. This further processing has used some spectral attributes of the signal to assess the real presence of the total petroleum hydrocarbons (TPH) providing a new effort to simplify and overcome the current state of the geophysical methods able to assess the presence of hydrocarbon plumes </span><span style="font-family:"">in</span><span style="font-family:""> industrial environments regarding the time cost of the survey and the traceable indication of the spectral shi</span><span style="font-family:"">ft</span><span style="font-family:"">ment shown in the plume volume.</span>The present paper describes the implementation of GPR 3D survey for detecting and delineating possible remain<span style="font-family:"">s</span><span style="font-family:""> of hydrocarbon plumes on a gas station. The 3D-imaging was used for the detection of anomalous zones that were analyzed with some relevant signal attributes extracted by digital signal processing. These signal attributes or parameters ha</span><span style="font-family:"">ve</span><span style="font-family:""> been the frequency of the maximum energy concentration on time-frequency distribution and instantaneous amplitude that could be related </span><span style="font-family:"">to</span><span style="font-family:""> the local response of the electromagnetic interaction and the presence of hydrocarbon plumes or soil contaminated area</span><span style="font-family:"">s</span><span style="font-family:"">. The implementation methodology took place at a gas station monitored with a piezometric sensor installation with soil layer information. The 3D-imaging of processed data and its slicing tool permits visualizing expected targets as pipes, tanks and installations in the subsoil exposing the anomalous zones for refined analyses. This further processing has used some spectral attributes of the signal to assess the real presence of the total petroleum hydrocarbons (TPH) providing a new effort to simplify and overcome the current state of the geophysical methods able to assess the presence of hydrocarbon plumes </span><span style="font-family:"">in</span><span style="font-family:""> industrial environments regarding the time cost of the survey and the traceable indication of the spectral shi</span><span style="font-family:"">ft</span><span style="font-family:"">ment shown in the plume volume.</span>
关 键 词：GPR Survey Time-Frequency Analysis Instantaneous Amplitude Slice Tomography 3D-Reconstruction Gas Station
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