Articles | Volume 14, issue 7
https://doi.org/10.5194/tc-14-2429-2020
© Author(s) 2020. 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-14-2429-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Jul 2020
Research article |
| 27 Jul 2020
Using a composite flow law to model deformation in the NEEM deep ice core, Greenland – Part 1: The role of grain size and grain size distribution on deformation of the upper 2207 m
Ernst-Jan N. Kuiper
Faculty of Earth Science, Utrecht University, 3508 TA Utrecht, the
Netherlands
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine
Research, 27570 Bremerhaven, Germany
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine
Research, 27570 Bremerhaven, Germany
Faculty of Earth Science, Utrecht University, 3508 TA Utrecht, the
Netherlands
Department of Geosciences, Eberhard Karls University
Tübingen, 72074 Tübingen, Germany
Johannes H. P. de Bresser
Faculty of Earth Science, Utrecht University, 3508 TA Utrecht, the
Netherlands
Daniela Jansen
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine
Research, 27570 Bremerhaven, Germany
Gill M. Pennock
Faculty of Earth Science, Utrecht University, 3508 TA Utrecht, the
Netherlands
Faculty of Earth Science, Utrecht University, 3508 TA Utrecht, the
Netherlands
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Cited
13 citations as recorded by crossref.
- The role of grain size evolution in the rheology of ice: implications for reconciling laboratory creep data and the Glen flow law M. Behn et al. 10.5194/tc-15-4589-2021
- Quartz rheology constrained from constant-load experiments: Consequences for the strength of the continental crust S. Ghosh et al. 10.1016/j.epsl.2022.117814
- Grain growth of natural and synthetic ice at 0 °C S. Fan et al. 10.5194/tc-17-3443-2023
- The Rheological Behavior of CO2 Ice: Application to Glacial Flow on Mars A. Cross et al. 10.1029/2020GL090431
- Effect of an orientation-dependent non-linear grain fluidity on bulk directional enhancement factors N. Rathmann et al. 10.1017/jog.2020.117
- Using grain boundary irregularity to quantify dynamic recrystallization in ice S. Fan et al. 10.1016/j.actamat.2021.116810
- Temperature and strain controls on ice deformation mechanisms: insights from the microstructures of samples deformed to progressively higher strains at −10, −20 and −30 °C S. Fan et al. 10.5194/tc-14-3875-2020
- Crystal orientation fabric anisotropy causes directional hardening of the Northeast Greenland Ice Stream T. Gerber et al. 10.1038/s41467-023-38139-8
- Crystallographic Preferred Orientation (CPO) Development Governs Strain Weakening in Ice: Insights From High‐Temperature Deformation Experiments S. Fan et al. 10.1029/2021JB023173
- Chemical and visual characterisation of EGRIP glacial ice and cloudy bands within N. Stoll et al. 10.5194/tc-17-2021-2023
- Using a composite flow law to model deformation in the NEEM deep ice core, Greenland – Part 2: The role of grain size and premelting on ice deformation at high homologous temperature E. Kuiper et al. 10.5194/tc-14-2449-2020
- A Review of the Microstructural Location of Impurities in Polar Ice and Their Impacts on Deformation N. Stoll et al. 10.3389/feart.2020.615613
- Microstructure, micro-inclusions, and mineralogy along the EGRIP ice core – Part 1: Localisation of inclusions and deformation patterns N. Stoll et al. 10.5194/tc-15-5717-2021
13 citations as recorded by crossref.
- The role of grain size evolution in the rheology of ice: implications for reconciling laboratory creep data and the Glen flow law M. Behn et al. 10.5194/tc-15-4589-2021
- Quartz rheology constrained from constant-load experiments: Consequences for the strength of the continental crust S. Ghosh et al. 10.1016/j.epsl.2022.117814
- Grain growth of natural and synthetic ice at 0 °C S. Fan et al. 10.5194/tc-17-3443-2023
- The Rheological Behavior of CO2 Ice: Application to Glacial Flow on Mars A. Cross et al. 10.1029/2020GL090431
- Effect of an orientation-dependent non-linear grain fluidity on bulk directional enhancement factors N. Rathmann et al. 10.1017/jog.2020.117
- Using grain boundary irregularity to quantify dynamic recrystallization in ice S. Fan et al. 10.1016/j.actamat.2021.116810
- Temperature and strain controls on ice deformation mechanisms: insights from the microstructures of samples deformed to progressively higher strains at −10, −20 and −30 °C S. Fan et al. 10.5194/tc-14-3875-2020
- Crystal orientation fabric anisotropy causes directional hardening of the Northeast Greenland Ice Stream T. Gerber et al. 10.1038/s41467-023-38139-8
- Crystallographic Preferred Orientation (CPO) Development Governs Strain Weakening in Ice: Insights From High‐Temperature Deformation Experiments S. Fan et al. 10.1029/2021JB023173
- Chemical and visual characterisation of EGRIP glacial ice and cloudy bands within N. Stoll et al. 10.5194/tc-17-2021-2023
- Using a composite flow law to model deformation in the NEEM deep ice core, Greenland – Part 2: The role of grain size and premelting on ice deformation at high homologous temperature E. Kuiper et al. 10.5194/tc-14-2449-2020
- A Review of the Microstructural Location of Impurities in Polar Ice and Their Impacts on Deformation N. Stoll et al. 10.3389/feart.2020.615613
- Microstructure, micro-inclusions, and mineralogy along the EGRIP ice core – Part 1: Localisation of inclusions and deformation patterns N. Stoll et al. 10.5194/tc-15-5717-2021
Latest update: 29 Sep 2023
Short summary
A composite flow law model applied to crystal size distributions from the NEEM deep ice core predicts that fine-grained layers in ice from the last Glacial period localize deformation as internal shear zones in the Greenland ice sheet deforming by grain-size-sensitive creep. This prediction is consistent with microstructures in Glacial age ice.
A composite flow law model applied to crystal size distributions from the NEEM deep ice core...
