Defining a Sea Ice Flag for Envisat Altimetry Mission

Type Article
Date 2009
Language English
Author(s) Tran N1, Ardhuin FannyORCID2, Ezraty Robert2, Feng H3, Femenias P4
Affiliation(s) 1 : CLS, Space Oceanog Div, F-31520 Ramonville St Agne, France.
2 : IFREMER, F-29280 Plouzane, France.
3 : Univ New Hampshire, Ocean Proc Anal Lab, Durham, NH 03834 USA.
4 : European Space Agcy, European Space Res Inst Earth Observat, I-00044 Frascati, Italy.
Source Geoscience and Remote Sensing Letters (1545-598X) (IEEE), 2009 , Vol. 6 , N. 1 , P. 77-81
DOI 10.1109/LGRS.2008.2005275
WOS© Times Cited 7
Keyword(s) sea ice, remote sensing, microwave measurements, Altimetry
Abstract This letter presents the development of a sea ice flag algorithm for the Envisat altimetry mission to detect sea ice corrupted sea surface height data within quality control processing. The algorithm takes advantage of having both passive and active microwave sensors on the same platform with coregistered measurements. Its performances have been evaluated based on collocations between the along-track Envisat data with reference maps built from combination of daily grids of sea ice concentration from SSM/I sensors and backscatter cross section from SeaWinds scatterometer on QuikSCAT satellite.
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