Articles | Volume 7, issue 2
https://doi.org/10.5194/gchron-7-157-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gchron-7-157-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Apr 2025
Research article |
| 28 Apr 2025
| 28 Apr 2025
Terrestrial cosmogenic nuclide bedrock depth profiles used to infer changes in Holocene glacier cover, Vintage Peak, southern Coast Mountains, British Columbia
Department of Geography, Earth, and Environmental Sciences, University of Northern British Columbia, Prince George, BC, V2N 4Z9, Canada
Brent M. Goehring
Los Alamos National Laboratory, Los Alamos, 87545, USA
Brian Menounos
Department of Geography, Earth, and Environmental Sciences, University of Northern British Columbia, Prince George, BC, V2N 4Z9, Canada
Hakai Institute, Campbell River, BC, V9W 2C7, Canada
Geological Survey of Canada Pacific, Natural Resources Canada, Sidney, BC, V8L 4B2, Canada
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Steinemann, O., Ivy-Ochs, S., Hippe, K., Christl, M., Haghipour, N., and Synal, H.-A.: Glacial erosion by the Trift glacier (Switzerland): Deciphering the development of riegels, rock basins and gorges, Geomorphology, 375, 107533, https://doi.org/10.1016/j.geomorph.2020.107533, 2021.
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Wirsig, C., Ivy-Ochs, S., Akçar, N., Lupker, M., Hippe, K., Wacker, L., Vockenhuber, C., and Schlüchter, C.: Combined cosmogenic 10Be, in situ 14C and 36Cl concentrations constrain Holocene history and erosion depth of Grueben glacier (CH), Swiss J. Geosci., 109, 379–388, https://doi.org/10.1007/s00015-016-0227-2, 2016.
Wirsig, C., Ivy-Ochs, S., Reitner, J. M., Christl, M., Vockenhuber, C., Bichler, M., and Reindl, M.: Subglacial abrasion rates at Goldbergkees, Hohe Tauern, Austria, determined from cosmogenic 10Be and 36Cl concentrations: Subglacial abrasion rates at Goldbergkees, Hohe Tauern, Earth Surf. Process., 42, 1119–1131, https://doi.org/10.1002/esp.4093, 2017.
Short summary
We use a method called cosmogenic nuclide dating on bedrock surfaces and moraine boulders to determine the relative length of time an alpine glacier was larger or smaller than its current extent over the past 15 000 years. We also discuss several important limitations to this method. This method gives information on the duration of past ice advances and is useful in areas without other materials that can be dated.
We use a method called cosmogenic nuclide dating on bedrock surfaces and moraine boulders to...
