Investigations of geoelectrical signatures at a hydrocarbon contaminated site

Atekwana, Estella A.; Sauck, William A.; Werkema, D. Dale

doi:10.1016/s0926-9851(98)00033-0

Cited by 259 publications

(134 citation statements)

References 24 publications

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“…It could be applied in a wide variety of fields such as ground water and un-derground mineral explorations, Geotechnical and environmental investigations and archeological studies [1][2][3][4][5] and [6]. The purpose of electrical resistivity surveys is to determine underground resistivity contrasts by making measurements on the ground surface, which result in electrical anomalies of subsurface materials [7].…”

Section: Introductionmentioning

confidence: 99%

CRSP, numerical results for an electrical resistivity array to detect underground cavities

Amini¹,

Ramazi²

2017

Open Geosciences

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This paper is devoted to the application of the Combined Resistivity Sounding and Profiling electrode configuration (CRSP) to detect underground cavities. Electrical resistivity surveying is among the most favorite geophysical methods due to its nondestructive and economical properties in a wide range of geosciences. Several types of the electrode arrays are applied to detect different certain objectives. In one hand, the electrode array plays an important role in determination of output resolution and depth of investigations in all resistivity surveys. On the other hand, they have their own merits and demerits in terms of depth of investigations, signal strength, and sensitivity to resistivity variations. In this article several synthetic models, simulating different conditions of cavity occurrence, were used to examine the responses of some conventional electrode arrays and also CRSP array. The results showed that CRSP electrode configuration can detect the desired objectives with a higher resolution rather than some other types of arrays. Also a field case study was discussed in which electrical resistivity approach was conducted in Abshenasan expressway (Tehran, Iran) U-turn bridge site for detecting potential cavities and/or filling loose materials. The results led to detect an aqueduct tunnel passing beneath the study area.

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Section: Introductionmentioning

confidence: 99%

CRSP, numerical results for an electrical resistivity array to detect underground cavities

Amini¹,

Ramazi²

2017

Open Geosciences

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“…Quantitative interpretation remains indeed difficult without additional information, generally in the form of a few additional in situ measurements or/and the use of additional geophysical methods (for instance GPR or induced polarization). Electrical resistivity tomography (ERT) has proven its efficiency to image and/or monitor spatial phenomena [43] such as salt water intrusions [44,45], variations in moisture content (e.g., [46,47]), biodegradation of hydrocarbons (e.g., [48,49]) and salt tracer experiments (e.g., [50,51] and references therein). An in-depth review of electrical properties of rocks can be found in Schön [52] or Revil et al [53], whereas a description of electrical methods can be found in Binley and Kemna [54].…”

Section: Electrical Resistivity Tomographymentioning

confidence: 99%

Geophysical Methods for Monitoring Temperature Changes in Shallow Low Enthalpy Geothermal Systems

Hermans

Nguyen

Robert³

et al. 2014

Energies

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Low enthalpy geothermal systems exploited with ground source heat pumps or groundwater heat pumps present many advantages within the context of sustainable energy use. Designing, monitoring and controlling such systems requires the measurement of spatially distributed temperature fields and the knowledge of the parameters governing groundwater flow (permeability and specific storage) and heat transport (thermal conductivity and volumetric thermal capacity). Such data are often scarce or not available. In recent years, the ability of electrical resistivity tomography (ERT), self-potential method (SP) and distributed temperature sensing (DTS) to monitor spatially and temporally temperature changes in the subsurface has been investigated. We review the recent advances in using these three methods for this type of shallow applications. A special focus is made regarding the petrophysical relationships and on underlying assumptions generally needed for a quantitative interpretation of these geophysical data. We show that those geophysical methods are mature to be used within the context of temperature monitoring and that a combination of them may be the best choice regarding control and validation issues. OPEN ACCESSEnergies 2014, 7 5084

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“…These methods employed independently or integrated with other geophysical or non-geophysical methods have been used successfully to determine the source and geometry of plumes which served as a basis for efficient remediation procedure designs [3,4,5,6]. …”

Section: Introductionmentioning

confidence: 99%

Hydrocarbon Spill Site Characterization by Electrical Resistivity Tomography and Ground Penetrating Radar Methods - a Review

Oyinkuro

Wariebi²

2017

AJEE

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Assessment of the source and geometry of contaminated soils by hydrocarbon spills is the first step towards designing an effective remediation programme. Electrical Resistivity Tomorgraphy and Ground Penetrating Radar are shown in this review to easily delineate spills under certain conditions. On a 2D-geoelctric profile of the subsurface, recent hydrocarbons spills are reflected as highly resistive anomalous zones, as biodegradation occurs spills become more conductive and may be masked by conductive soil. On a radargram fresh hydrocarbon spills are observed in zones of saturation where resistive fresh hydrocarbon spills displaces conductive water in pore spaces creating anomalous zones. Accurate interpretation of geoelectric profiles and radargrams in the Niger Delta requires knowledge of the lithology of the site of contamination which could easily be obtained by shallow drilling or pitting. Mini-review Article

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Investigations of geoelectrical signatures at a hydrocarbon contaminated site

Cited by 259 publications

References 24 publications

CRSP, numerical results for an electrical resistivity array to detect underground cavities

CRSP, numerical results for an electrical resistivity array to detect underground cavities

Geophysical Methods for Monitoring Temperature Changes in Shallow Low Enthalpy Geothermal Systems

Hydrocarbon Spill Site Characterization by Electrical Resistivity Tomography and Ground Penetrating Radar Methods - a Review

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