Simulated Time-lapse DC-IP Monitoring of Dense Non-aqueous Phase Liquids (DNAPLs) - An Initial Approach

C. Power; P. Tsourlos; J.I. Gerhard; T. Dahlin

doi:10.3997/2214-4609.201702030

Simulated Time-lapse DC-IP Monitoring of Dense Non-aqueous Phase Liquids (DNAPLs) - An Initial Approach
Authors C. Power¹, P. Tsourlos², J.I. Gerhard³, T. Dahlin⁴
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Affiliations: ¹ Cape Breton University ² Aristotle University of Thessaloniki ³ University of Western Ontario ⁴ Lund University
Publisher: European Association of Geoscientists & Engineers
Source: Conference Proceedings, 23rd European Meeting of Environmental and Engineering Geophysics, Sep 2017, Volume 2017, p.1 - 5
DOI: https://doi.org/10.3997/2214-4609.201702030

Abstract

Summary

Geoelectrical techniques have long standing potential for imaging sites contaminated by dense non-aqueous phase liquids (DNAPLs). Recent work explored the effectiveness of time-lapse DC resistivity to monitor DNAPL source zone remediation. A fundamental component of the work was the development of a unique and comprehensive linkage between well-established DNAPL and DC resistivity models, with the coupled model serving as a cost-effective and valuable investigative tool. The objective of this current study is to evaluate the application of integrated time-lapse DC resistivity and induced polarization (DC-IP) for monitoring DNAPL contamination. This paper introduces the various modelling tools and presents an initial simplistic approach to extend the established DNAPL-DC resistivity modelling framework to incorporate time-lapse IP. Preliminary results are encouraging and ongoing work is focused on developing an advanced hydraulic-electric linkage between the DNAPL and DC-IP models to produce more realistic IP responses from DNAPL spills.

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2017-09-03

2024-04-16

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Simulated Time-lapse DC-IP Monitoring of Dense Non-aqueous Phase Liquids (DNAPLs) - An Initial Approach

Conference Proceedings 2017, 1 (2017); https://doi.org/10.3997/2214-4609.201702030

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