Articles | Volume 25, issue 4
https://doi.org/10.5194/hess-25-1785-2021
https://doi.org/10.5194/hess-25-1785-2021
Research article
 | 
07 Apr 2021
Research article |  | 07 Apr 2021

Exploring the regolith with electrical resistivity tomography in large-scale surveys: electrode spacing-related issues and possibility

Laurent Gourdol, Rémi Clément, Jérôme Juilleret, Laurent Pfister, and Christophe Hissler

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Latest update: 13 Dec 2024
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Short summary
Electrical resistivity tomography (ERT) is a remarkable tool for characterizing the regolith, but its use over large areas remains cumbersome due to the requirement of small electrode spacing (ES). In this study we document the issues of using oversized ESs and propose a new approach to overcome this limitation. We demonstrate that our protocol significantly improves the accuracy of ERT profiles using large ES and offers a cost-effective means for carrying out large-scale surveys.