Articles | Volume 17, issue 9
https://doi.org/10.5194/tc-17-3785-2023
© Author(s) 2023. 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-17-3785-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Unveiling spatial variability within the Dotson Melt Channel through high-resolution basal melt rates from the Reference Elevation Model of Antarctica
Ann-Sofie Priergaard Zinck
CORRESPONDING AUTHOR
Department of Geoscience & Remote Sensing, Delft University of Technology, Delft, the Netherlands
Institute for Marine and Atmospheric Research Utrecht (IMAU), Utrecht University, Utrecht, the Netherlands
Bert Wouters
Department of Geoscience & Remote Sensing, Delft University of Technology, Delft, the Netherlands
Institute for Marine and Atmospheric Research Utrecht (IMAU), Utrecht University, Utrecht, the Netherlands
Erwin Lambert
Research and Development Weather and Climate Modelling (RDWK), Royal Netherlands Meteorological Institute (KNMI), De Bilt, the Netherlands
Stef Lhermitte
Department of Earth and Environmental Sciences, Katholieke Universiteit Leuven, Leuven, Belgium
Department of Geoscience & Remote Sensing, Delft University of Technology, Delft, the Netherlands
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Cited
16 citations as recorded by crossref.
- Thwaites Glacier thins and retreats fastest where ice-shelf channels intersect its grounding zone A. Chartrand et al. https://doi.org/10.5194/tc-18-4971-2024
- Assessment of Sentinel-3 altimeter performance over Antarctica using high resolution digital elevation models J. Phillips & M. McMillan https://doi.org/10.5194/tc-20-1745-2026
- Spatio-temporal melt and basal channel evolution on Pine Island Glacier ice shelf from CryoSat-2 K. Lowery et al. https://doi.org/10.5194/tc-19-4893-2025
- Evidence of active subglacial lakes under a slowly moving coastal region of the Antarctic Ice Sheet J. Arthur et al. https://doi.org/10.5194/tc-19-375-2025
- Assessing the sensitivity of the Vanderford Glacier, East Antarctica, to basal melt and calving L. Bird et al. https://doi.org/10.5194/tc-19-955-2025
- Building multi-satellite DEM time series for insight into mélange inside large rifts in Antarctica M. Xia et al. https://doi.org/10.5194/tc-19-6749-2025
- Swirls and scoops: Ice base melt revealed by multibeam imagery of an Antarctic ice shelf A. Wåhlin et al. https://doi.org/10.1126/sciadv.adn9188
- Accelerated Basal Melt Rates of Ice Shelves in North Greenland From 2013 to 2022 Estimated With the High‐Resolution ArcticDEM G. Wang et al. https://doi.org/10.1029/2024JC021509
- Variability in ice shelf basal melting in the Amundsen Sea Embayment from 2019 to 2023 X. Meng et al. https://doi.org/10.1088/1748-9326/ade729
- Sub-shelf melt pattern and ice sheet mass loss governed by meltwater flow below ice shelves F. Jesse et al. https://doi.org/10.5194/tc-19-3849-2025
- Correlation analysis between Antarctic ice shelf calving and basal melting during 2010–2020 M. Liu et al. https://doi.org/10.1007/s13131-025-2547-4
- Channelized melt beneath Antarctic ice shelves previously underestimated A. Zinck et al. https://doi.org/10.1038/s41558-025-02537-1
- Ephemeral grounding on the Pine Island Ice Shelf, West Antarctica, from 2014–2023 Y. Chien et al. https://doi.org/10.5194/tc-20-245-2026
- The effect of melt-channel geometry on ice-shelf flow D. Lilien et al. https://doi.org/10.1017/jog.2025.36
- Ocean-induced weakening of George VI Ice Shelf, West Antarctica A. Zinck et al. https://doi.org/10.5194/tc-19-5509-2025
- Speed-up, slowdown, and redirection of ice flow on neighbouring ice streams in the Pope, Smith, and Kohler region of West Antarctica H. Selley et al. https://doi.org/10.5194/tc-19-1725-2025
16 citations as recorded by crossref.
- Thwaites Glacier thins and retreats fastest where ice-shelf channels intersect its grounding zone A. Chartrand et al. https://doi.org/10.5194/tc-18-4971-2024
- Assessment of Sentinel-3 altimeter performance over Antarctica using high resolution digital elevation models J. Phillips & M. McMillan https://doi.org/10.5194/tc-20-1745-2026
- Spatio-temporal melt and basal channel evolution on Pine Island Glacier ice shelf from CryoSat-2 K. Lowery et al. https://doi.org/10.5194/tc-19-4893-2025
- Evidence of active subglacial lakes under a slowly moving coastal region of the Antarctic Ice Sheet J. Arthur et al. https://doi.org/10.5194/tc-19-375-2025
- Assessing the sensitivity of the Vanderford Glacier, East Antarctica, to basal melt and calving L. Bird et al. https://doi.org/10.5194/tc-19-955-2025
- Building multi-satellite DEM time series for insight into mélange inside large rifts in Antarctica M. Xia et al. https://doi.org/10.5194/tc-19-6749-2025
- Swirls and scoops: Ice base melt revealed by multibeam imagery of an Antarctic ice shelf A. Wåhlin et al. https://doi.org/10.1126/sciadv.adn9188
- Accelerated Basal Melt Rates of Ice Shelves in North Greenland From 2013 to 2022 Estimated With the High‐Resolution ArcticDEM G. Wang et al. https://doi.org/10.1029/2024JC021509
- Variability in ice shelf basal melting in the Amundsen Sea Embayment from 2019 to 2023 X. Meng et al. https://doi.org/10.1088/1748-9326/ade729
- Sub-shelf melt pattern and ice sheet mass loss governed by meltwater flow below ice shelves F. Jesse et al. https://doi.org/10.5194/tc-19-3849-2025
- Correlation analysis between Antarctic ice shelf calving and basal melting during 2010–2020 M. Liu et al. https://doi.org/10.1007/s13131-025-2547-4
- Channelized melt beneath Antarctic ice shelves previously underestimated A. Zinck et al. https://doi.org/10.1038/s41558-025-02537-1
- Ephemeral grounding on the Pine Island Ice Shelf, West Antarctica, from 2014–2023 Y. Chien et al. https://doi.org/10.5194/tc-20-245-2026
- The effect of melt-channel geometry on ice-shelf flow D. Lilien et al. https://doi.org/10.1017/jog.2025.36
- Ocean-induced weakening of George VI Ice Shelf, West Antarctica A. Zinck et al. https://doi.org/10.5194/tc-19-5509-2025
- Speed-up, slowdown, and redirection of ice flow on neighbouring ice streams in the Pope, Smith, and Kohler region of West Antarctica H. Selley et al. https://doi.org/10.5194/tc-19-1725-2025
Saved (final revised paper)
Latest update: 30 May 2026
Short summary
The ice shelves in Antarctica are melting from below, which puts their stability at risk. Therefore, it is important to observe how much and where they are melting. In this study we use high-resolution satellite imagery to derive 50 m resolution basal melt rates of the Dotson Ice Shelf. With the high resolution of our product we are able to uncover small-scale features which may in the future help us to understand the state and fate of the Antarctic ice shelves and their (in)stability.
The ice shelves in Antarctica are melting from below, which puts their stability at risk....