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The Cryosphere An interactive open-access journal of the European Geosciences Union
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TC | Articles | Volume 13, issue 10
The Cryosphere, 13, 2633–2656, 2019
https://doi.org/10.5194/tc-13-2633-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
The Cryosphere, 13, 2633–2656, 2019
https://doi.org/10.5194/tc-13-2633-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 10 Oct 2019

Research article | 10 Oct 2019

Ice shelf basal melt rates from a high-resolution digital elevation model (DEM) record for Pine Island Glacier, Antarctica

David E. Shean et al.

Data sets

Neo-Geigraphy Toolkit NASA https://ti.arc.nasa.gov/tech/asr/groups/intelligent-robotics/ngt/stereo/

NeoGeographyToolkit/StereoPipeline R. Beyer, O. Alexandrov, and S. McMichael https://doi.org/10.5281/zenodo.598174

Publications Copernicus
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Short summary
We produced an 8-year, high-resolution DEM record for Pine Island Glacier (PIG), a site of substantial Antarctic mass loss in recent decades. We developed methods to study the spatiotemporal evolution of ice shelf basal melting, which is responsible for ~ 60 % of PIG mass loss. We present shelf-wide basal melt rates and document relative melt rates for kilometer-scale basal channels and keels, offering new indirect observations of ice–ocean interaction beneath a vulnerable ice shelf.
We produced an 8-year, high-resolution DEM record for Pine Island Glacier (PIG), a site of...
Citation