ArticleNature communications2021
Marine ice-cliff instability modeling shows mixed-mode ice-cliff failure and yields calving rate parameterization.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Fracture-driven weakening amplifies projected ice loss from West Antarctica.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Review
- The West Antarctic Ice Sheet may not be vulnerable to marine ice cliff instability during the 21st century.Science advances · 2024Article
- Antarctica's ice cliff conundrum.Science advances · 2024Review
- Geologically constrained 2-million-year-long simulations of Antarctic Ice Sheet retreat and expansion through the Pliocene.Nature communications · 2024Article
- Perspective on Regional Sea-level Change and Coastal Impacts.Cambridge prisms. Coastal futures · 2024Article
- Crevasse density, orientation and temporal variability at Narsap Sermia, Greenland.The journal of glaciology · 2023Article
- Climate model differences contribute deep uncertainty in future Antarctic ice loss.Science advances · 2023Article
- A High-End Estimate of Sea Level Rise for Practitioners.Earth's future · 2022Article
- Antarctic calving loss rivals ice-shelf thinning.Nature · 2022Article
- Review
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Authors and funding
6 authors.
Funding
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Abstract
Marine ice-cliff instability could accelerate ice loss from Antarctica, and according to some model predictions could potentially contribute >1 m of global mean sea level rise by 2100 at current emission rates. Regions with over-deepening basins >1 km in depth (e.g., the West Antarctic Ice Sheet) are particularly susceptible to this instability, as retreat could expose increasingly tall cliffs that could exceed ice stability thresholds. Here, we use a suite of high-fidelity glacier models to improve understanding of the modes through which ice cliffs can structurally fail and derive a conservative ice-cliff failure retreat rate parameterization for ice-sheet models. Our results highlight the respective roles of viscous deformation, shear-band formation, and brittle-tensile failure within marine ice-cliff instability. Calving rates increase non-linearly with cliff height, but runaway ice-cliff retreat can be inhibited by viscous flow and back force from iceberg mélange.
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