Articles | Volume 15, issue 2
https://doi.org/10.5194/tc-15-677-2021
https://doi.org/10.5194/tc-15-677-2021
Research article
 | 
12 Feb 2021
Research article |  | 12 Feb 2021

Crystallographic analysis of temperate ice on Rhonegletscher, Swiss Alps

Sebastian Hellmann, Johanna Kerch, Ilka Weikusat, Andreas Bauder, Melchior Grab, Guillaume Jouvet, Margit Schwikowski, and Hansruedi Maurer

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Latest update: 18 Mar 2024
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Short summary
We analyse the orientation of ice crystals in an Alpine glacier and compare this orientation with the ice flow direction. We found that the crystals orient in the direction of the largest stress which is in the flow direction in the upper parts of the glacier and in the vertical direction for deeper zones of the glacier. The grains cluster around this maximum stress direction, in particular four-point maxima, most likely as a result of recrystallisation under relatively warm conditions.