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https://doi.org/10.5194/gh-76-401-2021
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the Creative Commons Attribution 4.0 License.
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https://doi.org/10.5194/gh-76-401-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Standard article
| 
15 Nov 2021
Standard article |
| 15 Nov 2021
| 15 Nov 2021
Schmidt hammer exposure-age dating of periglacial and glacial landforms in the Southern Swiss Alps based on R-value calibration using historical data
Cristian Scapozza
CORRESPONDING AUTHOR
Institute of Earth Sciences (IST), University of Applied Sciences and Arts of Southern Switzerland (SUPSI), 6952 Canobbio, Switzerland
Chantal Del Siro
Institute of Earth Surface Dynamics (IDYST), University of Lausanne, UNIL Mouline, 1015 Lausanne, Switzerland
Christophe Lambiel
Institute of Earth Surface Dynamics (IDYST), University of Lausanne, UNIL Mouline, 1015 Lausanne, Switzerland
Christian Ambrosi
Institute of Earth Sciences (IST), University of Applied Sciences and Arts of Southern Switzerland (SUPSI), 6952 Canobbio, Switzerland
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Short summary
Exposure ages make it possible to determine the time of weathering of a rock surface. They can be determined from rebound values measured with the Schmidt hammer and calibrated on surfaces of known age, defined in this study thanks to historical cartography and two mule tracks built in 300 and 1250 CE, which allowed us to reconstruct glacier fluctuations over the last 3 centuries in Val Scaradra and to define the time of deglaciation and rock glacier development in the Splügenpass region.
Exposure ages make it possible to determine the time of weathering of a rock surface. They can...
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