A comparison of ship- and scatterometer-derived wind speed data in open ocean and coastal areas
Kent, E.C., Taylor, P.K. and Challenor, P.G. (1998) A comparison of ship- and scatterometer-derived wind speed data in open ocean and coastal areas. International Journal of Remote Sensing, 19, (17), 3361-3381. (doi:10.1080/014311698214046).
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Quality controlled wind speed observations from merchant ships have been compared with ERS-1 scatterometer data. The ship and satellite wind speed pairs were well correlated at 120 km separation in the open ocean, reducing to 40 km in the North Sea. The maximum allowed separation of ship and scatterometer wind speed pairs had to be further reduced to 20 km in the North Sea to avoid matching of coastal ship wind speed data with scatterometer data from more exposed regions. Spurious biases in the comparisons were caused by the error variability of the scatterometer data (0.5 m s-1) being significantly less than that for the ships (2.0 m s-1). The unbiased regression was: U10n(ship)=1.025 U10n(satellite)+0.255 No significant enhancement of the scatterometer wind speeds occurred in the coastal region
|Keywords:||scatterometer, wind speed, ocean, ERS-1, satellite, in situ, ship, Beaufort Scale, anemometer|
|Subjects:||G Geography. Anthropology. Recreation > GE Environmental Sciences
G Geography. Anthropology. Recreation > GC Oceanography
|Divisions:||University Structure - Pre August 2011 > National Oceanography Centre (NERC)
|Date Deposited:||05 Aug 2008|
|Last Modified:||01 Jun 2011 12:11|
|Contributors:||Kent, E.C. (Author)
Taylor, P.K. (Author)
Challenor, P.G. (Author)
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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