Articles | Volume 15, issue 11
The Cryosphere, 15, 5241–5260, 2021
The Cryosphere, 15, 5241–5260, 2021
Research article
26 Nov 2021
Research article | 26 Nov 2021

TanDEM-X PolarDEM 90 m of Antarctica: generation and error characterization

Birgit Wessel et al.

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Cited articles

Abdullahi, S., Wessel, B., Huber, M., Wendleder, A., Roth, A., and Künzer, C.: Estimating penetration-related X-band InSAR elevation bias – A study over the Greenland ice sheet, Remote Sens., 11, 1–19,, 2019. a
Bender, A. and Smith, D.: Areas of exposed rock and blue ice in the Australian Antarctic Territory digitised from satellite images, Australian Antarctic Data Centre – CAASM Metadata, available at: (last access: 29 June 2020), 2013, updated 2017. a, b
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Borla Tridon, D., Bachmann, M., Schulze, D., Ortega-Miguez, C. M. D. P., Martone, M., Böer, J., and Zink, M.: TanDEM-X: DEM Acquisition in the Third Year, Int. J. Space Sci. Eng., 1, 367–381,, 2013. a, b, c
Brenner, A. C., DiMarzio, J. P., and Zwally, H. J.: Precision and Accuracy of Satellite Radar and Laser Altimeter Data Over the Continental Ice Sheets, IEEE T. Geosci. Remote, 45, 321–331,, 2007. a, b
Short summary
We present a new digital elevation model (DEM) of Antarctica derived from the TanDEM-X DEM, with new interferometric radar acquisitions incorporated and edited elevations, especially at the coast. A strength of this DEM is its homogeneity and completeness. Extensive validation work shows a vertical accuracy of just -0.3 m ± 2.5 m standard deviation on blue ice surfaces compared to ICESat laser altimeter heights. The new TanDEM-X PolarDEM 90 m of Antarctica is freely available.