Articles | Volume 15, issue 8
https://doi.org/10.5194/tc-15-3975-2021
https://doi.org/10.5194/tc-15-3975-2021
Research article
 | 
23 Aug 2021
Research article |  | 23 Aug 2021

Ground-penetrating radar imaging reveals glacier's drainage network in 3D

Gregory Church, Andreas Bauder, Melchior Grab, and Hansruedi Maurer

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Cited articles

Bælum, K. and Benn, D. I.: Thermal structure and drainage system of a small valley glacier (Tellbreen, Svalbard), investigated by ground penetrating radar, The Cryosphere, 5, 139–149, https://doi.org/10.5194/tc-5-139-2011, 2011. a
Bartholomaus, T. C., Anderson, R. S., and Anderson, S. P.: Response of glacier basal motion to transient water storage, Nat. Geosci., 1, 33–37, doi10.1038/ngeo.2007.52, 2008. a
Bartholomew, I., Nienow, P., Mair, D., Hubbard, A., King, M. A., and Sole, A.: Seasonal evolution of subglacial drainage and acceleration in a Greenland outlet glacier, Nat. Geosci., 3, 408–411, https://doi.org/10.1038/ngeo863, 2010. a
Beniston, M., Farinotti, D., Stoffel, M., Andreassen, L. M., Coppola, E., Eckert, N., Fantini, A., Giacona, F., Hauck, C., Huss, M., Huwald, H., Lehning, M., López-Moreno, J.-I., Magnusson, J., Marty, C., Morán-Tejéda, E., Morin, S., Naaim, M., Provenzale, A., Rabatel, A., Six, D., Stötter, J., Strasser, U., Terzago, S., and Vincent, C.: The European mountain cryosphere: a review of its current state, trends, and future challenges, The Cryosphere, 12, 759–794, https://doi.org/10.5194/tc-12-759-2018, 2018. a
Bingham, R. G., Nienow, P. W., Sharp, M. J., and Copland, L.: Hydrology and dynamics of a polythermal (mostly cold) High Arctic glacier, Earth Surf. Proc. Land., 31, 1463–1479, https://doi.org/10.1002/esp.1374, 2006. a
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Short summary
In this field study, we acquired a 3D radar survey over an active drainage network that transported meltwater through a Swiss glacier. We successfully imaged both englacial and subglacial pathways and were able to confirm long-standing glacier hydrology theory regarding meltwater pathways. The direction of these meltwater pathways directly impacts the glacier's velocity, and therefore more insightful field observations are needed in order to improve our understanding of this complex system.