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Antarctic sea ice elevation from satellite radar altimetry

Giles, KA; Laxon, SW; Worby, AP; (2008) Antarctic sea ice elevation from satellite radar altimetry. Geophysical Research Letters , 35 (3) , Article L03503. 10.1029/2007GL031572. Green open access

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Abstract

In situ measurements of sea ice thickness from ship and upward-looking sonar are used to assess the potential for satellite radar altimetry to provide information on Antarctic sea ice thickness. A climatology of satellite ice elevation estimates is compared to an Antarctic sea ice thickness climatology made from the Antarctic Sea Ice Processes and Climate ( ASPeCt) data set. In addition monthly, regional, satellite ice elevation estimates are compared to ULS ice draft data. The results show reasonable spatial agreement between the satellite and in-situ data, and show regional signals of change in ice elevation in line with that which would be expected. The results show some promise for providing information on Antarctic ice thickness from radar altimetry missions such as CryoSat. However, further studies into snow and ice density and the radar penetration into the Antarctic snow cover are required.

Type: Article
Title: Antarctic sea ice elevation from satellite radar altimetry
Open access status: An open access version is available from UCL Discovery
DOI: 10.1029/2007GL031572
Publisher version: http://dx.doi.org/10.1029/2007GL031572
Language: English
Additional information: Copyright 2008 by the American Geophysical Union
Keywords: Winter snow cover, Thickness distribution, Airborne laser, Fram strait, Variability, Ocean
UCL classification: UCL > School of BEAMS > Faculty of Maths and Physical Sciences
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Earth Sciences
URI: http://discovery.ucl.ac.uk/id/eprint/154923
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