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Compatibility of C- and Ku-band scatterometer winds: ERS-2 and QuikSCAT ArchiMer
Bentamy, Abderrahim; Grodsky, Semyon A.; Chapron, Bertrand; Carton, James A..
Global winds provided by satellite scatterometry are an important aspect of the ocean observing system. Many applications require well-calibrated time series of winds over time periods spanned by multiple missions. But sensors on individual satellites differ, introducing differences in wind estimates. This study focuses on global winds from two scatterometers, ERS-2 (1996-2001) and QuikSCAT (1999-2009) that show persistent differences during their period of overlap (July-1999 to January 2001). We examine a set of collocated observations during this period to evaluate the causes of these differences. The use of different operating frequencies leads to differences that depend on rain rate, wind velocity, and SST. The enhanced sensitivity to rain rate of the...
Tipo: Text Palavras-chave: Scatterometer winds; SST; Inter-instrument bias.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00139/25071/23190.pdf
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