28 Nov 2022
28 Nov 2022
Status: a revised version of this preprint is currently under review for the journal TC.

Brief Communication: Monitoring active layer dynamic using a lightweight nimble Ground-Penetrating Radar system. A laboratory analog test case

Emmanuel Léger1, Albane Saintenoy1, Mohammed Serhir3, François Costard1, and Christophe Grenier2, Emmanuel Léger et al.
  • 1Université Paris-Saclay, CNRS, GEOPS, 91405, Orsay, France
  • 2Laboratoire des Sciences du Climat et de l’Environnement, Université Paris-Saclay, IPSL/LSCE, UMR 8212 CNRS-CEA-UVSQ, Orme des Merisiers, Gif-sur-Yvette Cedex, France
  • 3Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire de Génie Electrique et Electronique de Paris, 91192, Gif-sur-Yvette, France
  • deceased

Abstract. Monitoring active layer dynamic is critical for improving the near surface thermal and hydrological process understanding. This study presents the laboratory test of a low-cost Monitoring Ground-Penetrating Radar (GPR) system within a laboratory experiment of active layer freezing and thawing monitoring. The system is a in-house built low power monostatic GPR antenna coupled with a reflectometer piloted by a single board computer, tested prior to field deployment. The correspondence between the frozen front electromagnetic reflection and temperature allowed the better understanding of the frozen front/bottom of the active layer reflection and the intrinsic permittivity of the frozen layer.

Emmanuel Léger et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on tc-2022-214', Anonymous Referee #1, 07 Dec 2022
    • AC1: 'Reply on RC1', Emmanuel Léger, 11 Dec 2022
      • AC2: 'Reply on RC1', Emmanuel Léger, 12 Dec 2022
  • RC2: 'Comment on tc-2022-214', Anonymous Referee #2, 05 Jan 2023
    • AC3: 'Reply on RC2', Emmanuel Léger, 13 Jan 2023

Emmanuel Léger et al.

Emmanuel Léger et al.


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Short summary
This study summarizes the first development of a house-built low energy Ground-Penetrating Radar (GPR) Antenna monitoring active layer thawing and freezing in a laboratory experiment, prior to field deployment in arctic environments.