Near-surface geophysical imaging of a thermokarst pond in the discontinuous permafrost zone in Nunavik (Québec), Canada

• Published in: Permafrost and Periglacial Processes
• Main Authors: Bussière, Léa, Schmutz, Myriam, Fortier, Richard, Lemieux, Jean-Michel, Dupuy, Alain
• Format: Other/Unknown Material
• Language: English
• Published: Chichester, Angleterre : J. Wiley 2022
• Subjects: Degrading permafros; Electrical resistivity tomography (ERT); Ground-penetrating radar (GPR); Internal structure; Spectral-induced polarization tomography (SIPT); Permeability; Thermokarst pond; Water content; Thermokarst; Pergélisols; Tomographie; Radar pénétrant dans le sol; Canada; Nunavik; Umiujaq; Ice; permafrost
• Online Access: https://hdl.handle.net/20.500.11794/105103; https://doi.org/10.1002/ppp.2166

In this study, high resolution ground-penetrating radar (GPR), electrical resistivity tomography (ERT), and spectral-induced polarization tomography (SIPT) were used to (i) delineate characteristic solifluction features, (ii) map the ice distribution, and (iii) assess subsurface water content and pe...