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Article: Sea surface wind speed estimation from space-based lidar measurements

TitleSea surface wind speed estimation from space-based lidar measurements
Authors
Issue Date2008
Citation
Atmospheric Chemistry and Physics Discussions, 2008, v. 8 n. 13, p. 3593-3601 How to Cite?
AbstractGlobal satellite observations of lidar backscatter measurements acquired by the CloudAerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) mission and collocated sea surface wind speed data from the Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR-E), are used to investigate the relation between wind driven wave slope variance and sea surface wind speed. The new slope variance - wind speed relation established from this study is similar to the linear relation from Cox-Munk (1954) and the log-linear relation from Wu (1972, 1990) for wind speed larger than 7 m/s and 13.3 m/s, respectively. For wind speed less than 7 m/s, the slope variance is proportional to the square root of the wind speed, assuming a two dimensional isotropic Gaussian wave slope distribution. This slope variance - wind speed relation becomes linear if a one dimensional Gaussian wave slope distribution is assumed. Contributions from whitecaps and subsurface backscattering are effectively removed by using 532 nm lidar depolarization measurements. This new slope variance - wind speed relation is used to derive sea surface wind speed from CALIPSO single shot lidar measurements (70m spot size), after correcting for atmospheric attenuation. The CALIPSO wind speed result agrees with the collocated AMSR-E wind speed, with 1.2 m/s rms error.
Persistent Identifierhttp://hdl.handle.net/10722/91008
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorHu, Yen_HK
dc.contributor.authorStamnes, Ken_HK
dc.contributor.authorVaughan, Men_HK
dc.contributor.authorPelon, Jen_HK
dc.contributor.authorWeimer, Cen_HK
dc.contributor.authorWu, Den_HK
dc.contributor.authorCisewski, Men_HK
dc.contributor.authorSun, Wen_HK
dc.contributor.authorYang, Pen_HK
dc.contributor.authorLin, Ben_HK
dc.contributor.authorOmar, Aen_HK
dc.contributor.authorFlittner, Den_HK
dc.contributor.authorHostetler, Cen_HK
dc.contributor.authorTrepte, Cen_HK
dc.contributor.authorWinker, Den_HK
dc.contributor.authorGibson, Gen_HK
dc.contributor.authorSanta-Maria, Men_HK
dc.date.accessioned2010-09-17T10:11:40Z-
dc.date.available2010-09-17T10:11:40Z-
dc.date.issued2008en_HK
dc.identifier.citationAtmospheric Chemistry and Physics Discussions, 2008, v. 8 n. 13, p. 3593-3601en_HK
dc.identifier.issn1680-7367en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91008-
dc.description.abstractGlobal satellite observations of lidar backscatter measurements acquired by the CloudAerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) mission and collocated sea surface wind speed data from the Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR-E), are used to investigate the relation between wind driven wave slope variance and sea surface wind speed. The new slope variance - wind speed relation established from this study is similar to the linear relation from Cox-Munk (1954) and the log-linear relation from Wu (1972, 1990) for wind speed larger than 7 m/s and 13.3 m/s, respectively. For wind speed less than 7 m/s, the slope variance is proportional to the square root of the wind speed, assuming a two dimensional isotropic Gaussian wave slope distribution. This slope variance - wind speed relation becomes linear if a one dimensional Gaussian wave slope distribution is assumed. Contributions from whitecaps and subsurface backscattering are effectively removed by using 532 nm lidar depolarization measurements. This new slope variance - wind speed relation is used to derive sea surface wind speed from CALIPSO single shot lidar measurements (70m spot size), after correcting for atmospheric attenuation. The CALIPSO wind speed result agrees with the collocated AMSR-E wind speed, with 1.2 m/s rms error.en_HK
dc.languageengen_HK
dc.relation.ispartofAtmospheric Chemistry and Physics Discussionsen_HK
dc.titleSea surface wind speed estimation from space-based lidar measurementsen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-47149083712en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-39449094968&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume8en_HK
dc.identifier.issue1en_HK
dc.identifier.spage3593en_HK
dc.identifier.epage3601en_HK
dc.identifier.eissn1680-7375-

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