7. Non-destructive geophysical site investigation—an aid to the redevelopment of sites in urban areas with groundwater problems
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Published:1994
P. D. Jackson, BSc, MSc, PhD, FGS, CGeol, D. M. McCann, BSc, MSc, PhD, FGS, CGeol, 1994. "7. Non-destructive geophysical site investigation—an aid to the redevelopment of sites in urban areas with groundwater problems", Groundwater problems in urban areas: Proceedings of the International Conference organized by the Institution of Civil Engineers and held in London, 2–3 June 1993, W. B. Wilkinson
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Non-invasive, remote sensing using geophysical methods is reviewed for investigating groundwater-related pollution. Examples are given of how computer-controlled resistivity imaging can be used to define and monitor changes in groundwater composition, and disposition. Geophysical remote sensing of groundwater problems is reviewed and one example of a new application is presented. This new application entails the use of a three-dimensional electrical resistivity technique which can be used for monitoring the spatial extent, and composition of groundwater. Monitoring changes is shown to be a powerful way of identifying the presence of changes in groundwater composition and disposition. Examples are presented that show how realistic three-dimensional modelling can be used to both optimize and interpret the surveys.
Introduction
Geophysical investigations
Geophysical surveying methods for groundwater
Monitoring pollutants and their movement in the ground
Discussion and conclusions
Acknowledgement
References
