Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 4, issue 2
Articles | Volume 4, issue 2
https://doi.org/10.5194/esurf-4-515-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/esurf-4-515-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 4, issue 2
Research article
 | 
30 Jun 2016
Research article |  | 30 Jun 2016

Interannual surface evolution of an Antarctic blue-ice moraine using multi-temporal DEMs

Matthew J. Westoby, Stuart A. Dunning, John Woodward, Andrew S. Hein, Shasta M. Marrero, Kate Winter, and David E. Sugden

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Short summary
We quantify the surface evolution of an Antarctic blue-ice moraine complex over 1- and 12-month intervals using repeat terrestrial laser scanning and structure-from-motion photogrammetry. We find net uplift and lateral movement of moraines within a field season (mean uplift ~ 0.10 m) and local surface lowering of a similar magnitude. Net uplift across the site between seasons was 0.07 m. Such data offer new opportunities to understand linkages between surface ablation, ice flow and debris supply within moraines.
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Special issue
Frontiers in geomorphometry