Brief communication: Monitoring active layer dynamics using a lightweight nimble ground-penetrating radar system – a laboratory analogue test case

Monitoring active layer dynamics is critical for improving the understanding of near-surface thermal and hydrological processes in the cryosphere. This study presents the laboratory test of a low-cost ground-penetrating radar (GPR) system within a laboratory experiment of active layer freezing and t...

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Bibliographic Details
Published in:The Cryosphere
Main Authors: E. Léger, A. Saintenoy, M. Serhir, F. Costard, C. Grenier
Format: Article in Journal/Newspaper
Language:English
Published: Copernicus Publications 2023
Subjects:
Environmental sciences
GE1-350
Geology
QE1-996.5
The Cryosphere
Online Access:https://doi.org/10.5194/tc-17-1271-2023
https://doaj.org/article/2b5afb47d10248a7917be4a860730602
Description
Summary:Monitoring active layer dynamics is critical for improving the understanding of near-surface thermal and hydrological processes in the cryosphere. This study presents the laboratory test of a low-cost ground-penetrating radar (GPR) system within a laboratory experiment of active layer freezing and thawing monitoring. The system is an in-house-built low-power monostatic GPR antenna coupled with a reflectometer piloted by a single-board computer (SBC) and was tested prior to field deployment. The correspondence between the frozen front electromagnetic (EM) reflection and temperature allowed us to test the ability of the system to closely monitor the frozen front and bottom of the active layer reflection.

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