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Multi-azimuth ground penetrating radar surveys to improve the imaging of complex fractures

Lombardi, F; Lualdi, M; (2018) Multi-azimuth ground penetrating radar surveys to improve the imaging of complex fractures. Geosciences , 8 (11) , Article Special Issue: Advances in Ground Penetrating Radar Research. 10.3390/geosciences8110425. Green open access

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Abstract

Ground Penetrating Radar (GPR) images are affected, to some degree, by the relative orientation of antennas and subsurface targets. This is particularly true not only for targets that show a significant directivity, but also for inclined planes, such as fractures and faults. Depending on the relative geometry between the antennas and the orientation of the target, radar waves can be preferentially scattered, which causes changes in the reflected signal amplitude. Therefore, traditional single polarization and single azimuth surveys may produce inadequate results. The work presented here examines the use of a multi-azimuth GPR survey to increase the imaging performance of inclined fractures, showing the shortcomings of single-profile surveying and highlighting the benefits that such a strategy has on detection and characterization.

Type: Article
Title: Multi-azimuth ground penetrating radar surveys to improve the imaging of complex fractures
Open access status: An open access version is available from UCL Discovery
DOI: 10.3390/geosciences8110425
Publisher version: https://doi.org/10.3390/geosciences8110425
Language: English
Additional information: © 2018 by the author. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
URI: https://discovery.ucl.ac.uk/id/eprint/10068064
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