Articles | Volume 15, issue 10
https://doi.org/10.5194/tc-15-4929-2021
© 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-15-4929-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
25 Oct 2021
Research article |
| 25 Oct 2021
| 25 Oct 2021
Nunataks as barriers to ice flow: implications for palaeo ice sheet reconstructions
Martim Mas e Braga
CORRESPONDING AUTHOR
Geomorphology and Glaciology, Department of Physical Geography, Stockholm University, Stockholm, Sweden
Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden
Richard Selwyn Jones
Department of Geography, Durham University, Durham, UK
School of Earth, Atmosphere and Environment, Monash University, Melbourne, Australia
Jennifer C. H. Newall
Geomorphology and Glaciology, Department of Physical Geography, Stockholm University, Stockholm, Sweden
Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden
Irina Rogozhina
Department of Geography, Norwegian University of Science and Technology, Trondheim, Norway
Jane L. Andersen
Department of Geoscience, Aarhus University, Aarhus, Denmark
Nathaniel A. Lifton
Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, Indiana, USA
Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana, USA
Arjen P. Stroeven
Geomorphology and Glaciology, Department of Physical Geography, Stockholm University, Stockholm, Sweden
Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden
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15 citations as recorded by crossref.
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- Exploring grid sensitivity in an ice sheet model: A case study of the Amery Ice Shelf Q. Wang et al. 10.1016/j.accre.2024.12.001
- Airborne Radio-Echo Sounding Data Denoising Using Particle Swarm Optimization and Multivariate Variational Mode Decomposition Y. Chen et al. 10.3390/rs15205041
- A history-matching analysis of the Antarctic Ice Sheet since the Last Interglacial – Part 1: Ice sheet evolution B. Lecavalier & L. Tarasov 10.5194/tc-19-919-2025
- Inland thinning of Byrd Glacier, Antarctica, during Ross Ice Shelf formation J. Stutz et al. 10.1002/esp.5701
- Geologically constrained 2-million-year-long simulations of Antarctic Ice Sheet retreat and expansion through the Pliocene A. Halberstadt et al. 10.1038/s41467-024-51205-z
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- Antarctic Ice Sheet paleo-constraint database B. Lecavalier et al. 10.5194/essd-15-3573-2023
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- An inventory of subglacial overdeepenings in southern Germany and Austria L. Gegg et al. 10.1111/bor.12693
- An ensemble of Antarctic deglacial simulations constrained by geological observations M. Pittard et al. 10.1016/j.quascirev.2022.107800
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14 citations as recorded by crossref.
- Behavioural tendencies of the last British–Irish Ice Sheet revealed by data–model comparison J. Ely et al. 10.1002/jqs.3628
- Younger Dryas and Early Holocene ice‐margin dynamics in northwest Russia B. Boyes et al. 10.1111/bor.12653
- Exploring grid sensitivity in an ice sheet model: A case study of the Amery Ice Shelf Q. Wang et al. 10.1016/j.accre.2024.12.001
- Airborne Radio-Echo Sounding Data Denoising Using Particle Swarm Optimization and Multivariate Variational Mode Decomposition Y. Chen et al. 10.3390/rs15205041
- A history-matching analysis of the Antarctic Ice Sheet since the Last Interglacial – Part 1: Ice sheet evolution B. Lecavalier & L. Tarasov 10.5194/tc-19-919-2025
- Inland thinning of Byrd Glacier, Antarctica, during Ross Ice Shelf formation J. Stutz et al. 10.1002/esp.5701
- Geologically constrained 2-million-year-long simulations of Antarctic Ice Sheet retreat and expansion through the Pliocene A. Halberstadt et al. 10.1038/s41467-024-51205-z
- A thicker Antarctic ice stream during the mid-Pliocene warm period M. Mas e Braga et al. 10.1038/s43247-023-00983-3
- Antarctic Ice Sheet paleo-constraint database B. Lecavalier et al. 10.5194/essd-15-3573-2023
- The collapse of the Cordilleran–Laurentide ice saddle and early opening of the Mackenzie Valley, Northwest Territories, Canada, constrained by 10Be exposure dating B. Stoker et al. 10.5194/tc-16-4865-2022
- Assessing the suitability of sites near Pine Island Glacier for subglacial bedrock drilling aimed at detecting Holocene retreat–readvance J. Johnson et al. 10.5194/tc-19-303-2025
- Regional sea-level highstand triggered Holocene ice sheet thinning across coastal Dronning Maud Land, East Antarctica Y. Suganuma et al. 10.1038/s43247-022-00599-z
- An inventory of subglacial overdeepenings in southern Germany and Austria L. Gegg et al. 10.1111/bor.12693
- An ensemble of Antarctic deglacial simulations constrained by geological observations M. Pittard et al. 10.1016/j.quascirev.2022.107800
1 citations as recorded by crossref.
Latest update: 08 May 2025
Short summary
Mountains higher than the ice surface are sampled to know when the ice reached the sampled elevation, which can be used to guide numerical models. This is important to understand how much ice will be lost by ice sheets in the future. We use a simple model to understand how ice flow around mountains affects the ice surface topography and show how much this influences results from field samples. We also show that models need a finer resolution over mountainous areas to better match field samples.
Mountains higher than the ice surface are sampled to know when the ice reached the sampled...
