Articles | Volume 15, issue 2
https://doi.org/10.5194/tc-15-677-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-677-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Feb 2021
Research article |
| 12 Feb 2021
| 12 Feb 2021
Crystallographic analysis of temperate ice on Rhonegletscher, Swiss Alps
Sebastian Hellmann
CORRESPONDING AUTHOR
Laboratory of Hydraulics, Hydrology and Glaciology (VAW), ETH Zurich, Zurich, Switzerland
Institute of Geophysics, ETH Zurich, Zurich, Switzerland
Johanna Kerch
Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany
now at: GZG Computational Geoscience, Georg August University of Göttingen, Göttingen, Germany
Ilka Weikusat
Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany
Department of Geosciences, Eberhard Karls University of Tübingen, Tübingen, Germany
Andreas Bauder
Laboratory of Hydraulics, Hydrology and Glaciology (VAW), ETH Zurich, Zurich, Switzerland
Melchior Grab
Laboratory of Hydraulics, Hydrology and Glaciology (VAW), ETH Zurich, Zurich, Switzerland
Institute of Geophysics, ETH Zurich, Zurich, Switzerland
Guillaume Jouvet
Department of Geography, University of Zurich, Zurich, Switzerland
Autonomous Systems Laboratory, ETH Zurich, Zurich, Switzerland
Margit Schwikowski
Paul Scherrer Institute, Villingen, Switzerland
Hansruedi Maurer
Institute of Geophysics, ETH Zurich, Zurich, Switzerland
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Cited
10 citations as recorded by crossref.
- Microstructure and Crystallographic Preferred Orientations of an Azimuthally Oriented Ice Core from a Lateral Shear Margin: Priestley Glacier, Antarctica R. Thomas et al. 10.3389/feart.2021.702213
- Effects of impurities on the ice microstructure of Monte Perdido Glacier, Central Pyrenees, NE Spain N. González-Santacruz et al. 10.1017/aog.2023.66
- A borehole trajectory inversion scheme to adjust the measurement geometry for 3D travel-time tomography on glaciers S. Hellmann et al. 10.5194/se-14-805-2023
- Microstructures in a shear margin: Jarvis Glacier, Alaska C. Gerbi et al. 10.1017/jog.2021.62
- Multimaxima crystallographic fabrics (CPO) in warm, coarse-grained ice: New insights M. Disbrow-Monz et al. 10.1016/j.jsg.2024.105107
- Structures and Deformation in Glaciers and Ice Sheets S. Jennings & M. Hambrey 10.1029/2021RG000743
- Acoustic velocity measurements for detecting the crystal orientation fabrics of a temperate ice core S. Hellmann et al. 10.5194/tc-15-3507-2021
- Diffuse optics for glaciology M. Allgaier & B. Smith 10.1364/OE.425630
- Spatial Variations of Fabric and Microstructure of Blue Ice Cores at the Shear Margin of Dalk Glacier, Antarctica S. Lu et al. 10.3390/w15040728
- Full crystallographic orientation (<i>c</i> and <i>a</i> axes) of warm, coarse-grained ice in a shear-dominated setting: a case study, Storglaciären, Sweden M. Monz et al. 10.5194/tc-15-303-2021
9 citations as recorded by crossref.
- Microstructure and Crystallographic Preferred Orientations of an Azimuthally Oriented Ice Core from a Lateral Shear Margin: Priestley Glacier, Antarctica R. Thomas et al. 10.3389/feart.2021.702213
- Effects of impurities on the ice microstructure of Monte Perdido Glacier, Central Pyrenees, NE Spain N. González-Santacruz et al. 10.1017/aog.2023.66
- A borehole trajectory inversion scheme to adjust the measurement geometry for 3D travel-time tomography on glaciers S. Hellmann et al. 10.5194/se-14-805-2023
- Microstructures in a shear margin: Jarvis Glacier, Alaska C. Gerbi et al. 10.1017/jog.2021.62
- Multimaxima crystallographic fabrics (CPO) in warm, coarse-grained ice: New insights M. Disbrow-Monz et al. 10.1016/j.jsg.2024.105107
- Structures and Deformation in Glaciers and Ice Sheets S. Jennings & M. Hambrey 10.1029/2021RG000743
- Acoustic velocity measurements for detecting the crystal orientation fabrics of a temperate ice core S. Hellmann et al. 10.5194/tc-15-3507-2021
- Diffuse optics for glaciology M. Allgaier & B. Smith 10.1364/OE.425630
- Spatial Variations of Fabric and Microstructure of Blue Ice Cores at the Shear Margin of Dalk Glacier, Antarctica S. Lu et al. 10.3390/w15040728
Latest update: 19 Nov 2024
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.
We analyse the orientation of ice crystals in an Alpine glacier and compare this orientation...
