Articles | Volume 14, issue 5
The Cryosphere, 14, 1475–1496, 2020
https://doi.org/10.5194/tc-14-1475-2020
The Cryosphere, 14, 1475–1496, 2020
https://doi.org/10.5194/tc-14-1475-2020

Research article 05 May 2020

Research article | 05 May 2020

Quantification of seasonal and diurnal dynamics of subglacial channels using seismic observations on an Alpine glacier

Ugo Nanni et al.

Data sets

DATA sets of 'Quantification of seasonal and diurnal dynamics of subglacial channels using seismic observations on an Alpine Glacier.' from Nanni et al. 2020 Ugo Nanni, Florent Gimbert, Christian Vincent, Dominik Graeff, Fabian Walter, Luc Piard, and Luc Moreau https://doi.org/10.5281/zenodo.3701520

Model code and software

Codes of of 'Quantification of seasonal and diurnal dynamics of subglacial channels using seismic observations on an Alpine Glacier.' from Nanni et al. 2020 Ugo Nanni https://doi.org/10.5281/zenodo.3731508

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Short summary
Our study addresses key questions on the subglacial drainage system physics through a novel observational approach that overcomes traditional limitations. We conducted, over 2 years, measurements of the subglacial water-flow-induced seismic noise and of glacier basal sliding speeds. We then inverted for the subglacial channel's hydraulic pressure gradient and hydraulic radius and investigated the links between the equilibrium state of subglacial channels and glacier basal sliding.