Articles | Volume 17, issue 8
https://doi.org/10.5194/tc-17-3443-2023
https://doi.org/10.5194/tc-17-3443-2023
Research article
 | 
23 Aug 2023
Research article |  | 23 Aug 2023

Grain growth of natural and synthetic ice at 0 °C

Sheng Fan, David J. Prior, Brent Pooley, Hamish Bowman, Lucy Davidson, David Wallis, Sandra Piazolo, Chao Qi, David L. Goldsby, and Travis F. Hager

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Latest update: 13 Dec 2024
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Short summary
The microstructure of ice controls the behaviour of polar ice flow. Grain growth can modify the microstructure of ice; however, its processes and kinetics are poorly understood. We conduct grain-growth experiments on synthetic and natural ice samples at 0 °C. Microstructural data show synthetic ice grows continuously with time. In contrast, natural ice does not grow within a month. The inhibition of grain growth in natural ice is largely contributed by bubble pinning at ice grain boundaries.