Articles | Volume 11, issue 3
The Cryosphere, 11, 1041–1058, 2017
The Cryosphere, 11, 1041–1058, 2017
Research article
04 May 2017
Research article | 04 May 2017

A revised calibration of the interferometric mode of the CryoSat-2 radar altimeter improves ice height and height change measurements in western Greenland

Laurence Gray et al.

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Cited articles

Bamber, J. L.: Ice sheet altimeter processing scheme, Int. J. Remote Sens., 15, 925–938,, 1994.
Bouzinac, C.: CryoSat-2 Product Handbook, Tech. Report, European Space Agency, available at: (last access: 27 April 2017), 2012.
Box, J. E. and Ski, K.: Remote sounding of Greenland supraglacial melt lakes: implications for subglacial hydraulics, J. Glaciol., 53, 257–265,, 2007.
Brenner, A. C., Bindschadler, R. A., Thomas, R. H., and Zwally, H. J.: Slope-induced errors in radar altimetry over continental ice sheets, J. Geophys. Res., 88, 1617–1623, 1983.
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. Sens., 45, 321–331,, 2007.
Short summary
We use surface height data from west Greenland and Devon Ice Cap to check the performance of the new interferometric mode of the ESA CryoSat radar altimeter. The detailed height comparison allows an improved system calibration and processing methodology and measurement of the height of supraglacial lakes which form each summer around the periphery of the Greenland Ice Cap. The advantages of the SARIn mode suggest that future satellite radar altimeters for glacial ice should use this technology.