Articles | Volume 11, issue 3
The Cryosphere, 11, 1041–1058, 2017
https://doi.org/10.5194/tc-11-1041-2017
The Cryosphere, 11, 1041–1058, 2017
https://doi.org/10.5194/tc-11-1041-2017

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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AR by Anna Mirena Feist-Polner on behalf of the Authors (09 Mar 2017)  Author's response
ED: Referee Nomination & Report Request started (09 Mar 2017) by Ian M. Howat
RR by Anonymous Referee #4 (01 Apr 2017)
ED: Publish as is (01 Apr 2017) by Ian M. Howat
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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.