Preprints
https://doi.org/10.5194/tc-2022-165
https://doi.org/10.5194/tc-2022-165
 
15 Sep 2022
15 Sep 2022
Status: this preprint is currently under review for the journal TC.

Brief communication: Combining borehole temperature, borehole piezometer and cross-borehole electrical resistivity tomography measurements to investigate changes in ice-rich mountain permafrost

Marcia Phillips1,2, Chasper Buchli1, Samuel Weber1,2, Jacopo Boaga3, Mirko Pavoni3, and Alexander Bast1,2 Marcia Phillips et al.
  • 1WSL Institute for Snow and Avalanche Research SLF, Flüelastrasse 11, 7260 Davos Dorf, Switzerland
  • 2Climate Change, Extremes and Natural Hazards in Alpine Regions Research Center CERC, Flüelastrasse 11, 7260 Davos Dorf, Switzerland
  • 3Department of Geosciences, University of Padova, Via Gradenigo 6, 35131 Padova, Italy

Abstract. A novel combination of borehole temperature, borehole piezometer and cross-borehole electrical resistivity tomography (ERT) data are used to investigate changing ice-/water contents in the creeping ice-rich Schafberg rock glacier in the Eastern Swiss Alps. Instrumentation techniques and first results are presented. The rock glacier is close to its melting point and has locally heterogeneous stratigraphies, ice-/water contents and temperature regimes. The measurement techniques presented continuously monitor temporal and spatial phase changes to a depth of 12 m and should provide the basis for a better understanding of accelerating rock glacier kinematics and future water availability.

Marcia Phillips et al.

Status: open (until 10 Nov 2022)

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Marcia Phillips et al.

Marcia Phillips et al.

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Short summary
A new combination of temperature, water pressure and cross-borehole electrical resistivity data is used to investigate ice-/water contents in an ice-rich rock glacier. The landform is close to 0 °C and has locally heterogeneous characteristics, ice-/water contents and temperatures. The techniques presented continuously monitor temporal and spatial phase changes to a depth of 12 m and provide the basis for a better understanding of accelerating rock glacier movements and future water availability.