NDLI: Evaluation of ocean surface vector winds observed by QuikSCAT/seawinds and ADEOS-II/seawind

Content Provider	IEEE Xplore Digital Library
Author	Ebuchi, N. Graber, H.C. Caruso, M.J.
Copyright Year	2004
Description	Author affiliation: Inst. of Low Temp. Sci., Hokkaido Univ., Sapporo (Ebuchi, N.)
Abstract	Ocean surface vector winds observed by QuikSCAT/SeaWinds and ADEOS-II/SeaWinds are evaluated by comparison with wind and wave data from the NDBC (National Data Buoy Center), TAO (Tropical Atmosphere and Ocean)/TRITON (Triangle Trans-Ocean buoy Network), PIRATA (Pilot Research Moored Array in the Tropical Atlantic), and JMA (Japan Meteorological Agency) buoys in the Atlantic and Pacific Oceans, Gulf of Mexico, and seas around Japan. Only buoys located offshore and in deep water were analyzed. The temporal and spatial separations between the scatterometer and buoy observations were limited to less than 10 min and 12.5 km. The buoy wind speeds were converted to equivalent neutral winds at a height of 10 m above the sea surface. The comparisons show that the wind speeds and directions observed by the two Sea Winds sensors agree well with the buoy data. The typical root-mean-squared differences of the wind speed and direction are 1 m/s and 20 deg, respectively, while no significant dependences on the wind speed are discernible. The collocated data set is also used to explore differences of wind speed and direction against oceanic and atmospheric parameters and footprint positions. Residuals of the wind speed and direction show slight dependence on the cross-track cell locations, which correspond to combination of the azimuth observation angles. The wind speed residuals exhibit no significant dependences on the oceanic and atmospheric parameters, such as the sea surface temperature, air-sea temperature difference, and sea state
Starting Page	795
Ending Page	798
File Size	365839
Page Count	4
File Format	PDF
ISBN	0780387422
DOI	10.1109/IGARSS.2004.1368523
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sea surface Wind speed Ocean temperature Radar measurements Sea measurements Atmospheric waves Temperature dependence Antenna measurements Velocity measurement Spatial resolution
Content Type	Text
Resource Type	Article

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