Articles | Volume 12, issue 4
The Cryosphere, 12, 1551–1562, 2018
https://doi.org/10.5194/tc-12-1551-2018
The Cryosphere, 12, 1551–1562, 2018
https://doi.org/10.5194/tc-12-1551-2018

Research article 02 May 2018

Research article | 02 May 2018

A new digital elevation model of Antarctica derived from CryoSat-2 altimetry

Thomas Slater et al.

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Cited articles

Armitage, T., Wingham, D., and Ridout, A.: Meteorological origin of the static crossover pattern present in low-resolution-mode CryoSat-2 data over Central Antarctica, IEEE Geosci. Remote S., 11, 1295–1299, https://doi.org/10.1109/LGRS.2013.2292821, 2014. 
Bamber, J. L., Gomez-Dans, J. L., and Griggs, J. A.: A new 1 km digital elevation model of the Antarctic derived from combined satellite radar and laser data – Part 1: Data and methods, The Cryosphere, 3, 101–111, https://doi.org/10.5194/tc-3-101-2009, 2009. 
Blankenship, D. D.,Young, D. D., Kempf, S., Roberts, J. L., van Ommen, T., Forsberg, R., Siegert, M. J., Palmer, S. J., and Dowdeswell, J. A.: IceBridge Riegl Laser Altimeter L2 Geolocated Surface Elevation Triplets, NASA DAAC at the National Snow and Ice Data Center, Boulder, Colorado USA, https://doi.org/10.5067/JV9DENETK13E, 2013 (data available at: https://nsidc.org/icebridge/portal/, last access: January 2017). 
Cook, A. J., Murray, T., Luckman, A., Vaughan, D. G., and Barrand, N. E.: A new 100-m Digital Elevation Model of the Antarctic Peninsula derived from ASTER Global DEM: methods and accuracy assessment, Earth Syst. Sci. Data, 4, 129–142, https://doi.org/10.5194/essd-4-129-2012, 2012. 
Cornford, S. L., Martin, D. F., Payne, A. J., Ng, E. G., Le Brocq, A. M., Gladstone, R. M., Edwards, T. L., Shannon, S. R., Agosta, C., van den Broeke, M. R., Hellmer, H. H., Krinner, G., Ligtenberg, S. R. M., Timmermann, R., and Vaughan, D. G.: Century-scale simulations of the response of the West Antarctic Ice Sheet to a warming climate, The Cryosphere, 9, 1579–1600, https://doi.org/10.5194/tc-9-1579-2015, 2015. 
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We present a new digital elevation model of Antarctica derived from 6 years of elevation measurements acquired by ESA's CryoSat-2 satellite radar altimeter. We compare our elevation model to an independent set of NASA IceBridge airborne laser altimeter measurements and find the overall accuracy to be 9.5 m – a value comparable to or better than that of other models derived from satellite altimetry. The new CryoSat-2 digital elevation model of Antarctica will be made freely available.