NDLI: Comparison of RADARSAT SAR-derived wind speeds with buoy and QuikSCAT measurements

Content Provider	IEEE Xplore Digital Library
Author	Monaldo, F.M. Thompson, D.R. Pichel, W.G. Clemente-Colon, P.
Copyright Year	2001
Description	Author affiliation: Appl. Phys. Lab., Johns Hopkins Univ., Laurel, MD, USA (Monaldo, F.M.)
Abstract	The radar cross section (RCS) of the ocean surface depends on both wind speed and direction. By using estimates of the wind direction from an atmospheric model plus RCS measurements from the RADARSAT-1 synthetic aperture radar (SAR), we processed over 3000 wide-swath SAR RCS images into wind speed fields. We have validated these wind fields against both buoy and QuikSCAT scatterometer measurements. The standard deviation of SAR wind speeds with respect to buoy or QuikSCAT wind speeds is less than 2 m/s. If the QuikSCAT wind directions are used rather than the model directions for the SAR wind speed retrieval, the agreement between SAR and QuikSCAT wind improves to a standard deviation of 1.5 m/s.
Starting Page	1759
Ending Page	1760
File Size	458650
Page Count	2
File Format	PDF
ISBN	0780370317
DOI	10.1109/IGARSS.2001.977062
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-07-09
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wind speed Atmospheric measurements Sea measurements Synthetic aperture radar Radar cross section Oceans Sea surface Atmospheric modeling Velocity measurement Radar measurements
Content Type	Text
Resource Type	Article

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