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Long-term geoelectrical monitoring of landslides in natural and engineered slopes

Lookup NU author(s): Professor Jonathon Chambers, Dr Jessica HolmesORCiD, Professor Stephanie Glendinning, Dr Ross Stirling

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

Developments in time-lapse electrical resistivity tomography (ERT) technology are transforming our ability to monitor the subsurface due to purpose-built monitoring instruments, advances in automation and modeling, and the resulting improvements in spatial and temporal resolution. We describe the development of a novel ERT-based remote monitoring system called PRIME that integrates new low-power measurement instrumentation with data delivery, automated data processing and image generation, and web-based information delivery. Due to the sensitivity of ERT to hydrologic processes in the near surface, we focus on the application of PRIME for moisture-driven landslide monitoring. Case examples are considered of landslides in engineered and natural slopes, including those impacting geotechnical assets in rail and highways, where slope hydrology is seen to be controlled by lithology, vegetation, fissuring, and drainage structures. We conclude by taking a forward look at emerging developments in ERT monitoring relating to hardware, software and modeling, and applications.

Publication metadata

Author(s): Chambers J, Holmes J, Whiteley J, Boyd J, Meldrum P, Wilkinson P, Kuras O, Swift R, Harrison H, Glendinning S, Stirling R, Huntley D, Slater N, Donohue S

Publication type: Article

Publication status: Published

Journal: The Leading Edge

Year: 2022

Volume: 41

Issue: 11

Pages: 742–804

Print publication date: 01/11/2022

Acceptance date: 22/09/2022

Date deposited: 01/11/2022

ISSN (print): 1070-485X

ISSN (electronic): 1938-3789

Publisher: SEG Library

URL: https://doi.org/10.1190/tle41110768.1

DOI: 10.1190/tle41110768.1

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