Objective
The project aims to develop an Induced Polarization Tomography (IPT) system for the non-invasive geoelectric monitoring of contaminants at industrial and waste disposal sites. Induced Polarization (IP) is an electrochemical surface effect which has the potential to detect the presence or absence of chemical processes in the ground including oxidation-reduction, organic ion exchange, catalysis, polymerisation and peptization. Complementary resistivity measurements will be used to detect soluble inorganic contaminants as volumetric electrical conductivity anomalies and hence improve the comparability of measurements. This innovative IPT measurement system would permit both surface and cross-hole tomographic scanning. Cross-hole imaging is needed to facilitate IPT scans beneath buildings, concrete rafts and storage tanks where traditional invasive sampling methods (trial pits or boreholes) are impractical or ineffective. Tomographic image reconstruction is a technique which has revolutionised medical X-ray diagnostics and could, if attainable, provide an equally powerful tool for the non-invasive mapping and monitoring of subsurface contaminants. The project would bring together independent research currently being undertaken by the British Geological Survey, ABEM Instrument (Sweden), and British Gas Plc. The prototype will build on an existing PC-controlled resistivity meter. 'Smart' addressable electrodes and multi-electrode cable assemblies will be developed to permit the acquisition of unprecedented volumes of data. This is a pre-requisite for tomographic inversion and accurate 3D image reconstruction. Optimal 2D and 3D inversion software will be developed to give geoelectric 'images' of the subsurface contaminant distribution that are visually self-evident to non-specialists.
Limited field trials of the prototype system will be undertaken at former gasworks sites in the UK were control is already available from routine chemical analysis of soil and water samples.
These data, plus post-survey excavation will be used to assess the capabilities and limitations of the new IPT method. Theoretical computer simulations will be used to further calibrate the IPT response characteristics and provide insight on contaminant interactions, flowpaths and the IP electrochemical signature.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences computer and information sciences software
- natural sciences physical sciences electromagnetism and electronics
- engineering and technology environmental engineering waste management
- natural sciences chemical sciences catalysis
- natural sciences mathematics applied mathematics mathematical model
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
NG12 5GG Nottingham
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.