Comparison of sea-ice freeboard distributions from aircraft data and cryosat-2

Robert Ricker, Stefan Hendricks, Veit Helm, Rudiger Gerdes, Henriette Skourup, L. Ouwehand

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    Abstract

    The only remote sensing technique capable of obtaining sea ice thickness on basin-scale are satellite altimeter missions, such as the 2010 launched CryoSat-2. It is equipped with a Ku-Band radar altimeter which measures the height of the ice surface above the water level. This method requires highly accurate range measurements. During the CryoSat Validation Experiment (CryoVEx) 2011 in the Lincoln Sea Cryosat-2 underpasses were accomplished with two aircraft which carried an airborne laser scanner, a radar altimeter and an electromagnetic induction device for direct sea ice thickness retrieval. Both aircraft flew in close formation at the same time of a CryoSat-2 overpass. This is a study about the comparison of the sea-ice freeboard distribution of laser scanner and radar altimeter measurements with the CryoSat-2 product within the multi-year sea ice region of the Lincoln Sea in spring, with respect to the penetration of the Ku-Band signal into the snow and the effect of surface roughness on the radar range retrieval.
    Original languageEnglish
    Title of host publication20 years of progress in radar altimetry symposium : Abstract book
    Number of pages1
    Place of PublicationItaly
    PublisherEuropean Space Agency
    Publication date2012
    Pages84
    Publication statusPublished - 2012
    Event20 years of progress in radar altimetry symposium - Venice, Italy
    Duration: 24 Sept 201229 Sept 2012
    http://www.altimetry2012.org/

    Conference

    Conference20 years of progress in radar altimetry symposium
    Country/TerritoryItaly
    CityVenice
    Period24/09/201229/09/2012
    Internet address

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