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A Technique for Locating Leaking Points in Landfills
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, Near Surface Geoscience 2015 - 21st European Meeting of Environmental and Engineering Geophysics, Sep 2015, Volume 2015, p.1 - 5
Abstract
Summary
The investigation of a newly constructed landfill in Central Greece for leak points has motivated numerical and experimental simulations in order to test modified approaches to locate leaks in geomembrane lined landfills after the protective cover (typically sand and gravel) has been laid. We adopted an approach which involves systematic survey with multiple electrode separation pole-dipole (forward and reverse) arrays and then we perform Fraser filtering and stacking to the apparent resistivity maps to produce a single filtered map which depicts the leaking points. This approach was verified with synthetic and experimental data and it produces results of increased reliability.
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