Validation of Sentinel-1 offshore winds and average wind power estimation around Ireland

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dc.contributor.authorde Montera, Louis
dc.contributor.authorRemmers, Tiny
dc.contributor.authorDesmond, Cian J.
dc.contributor.authorO'Connell, Ross
dc.date.accessioned2019-10-26T06:27:10Z
dc.date.available2019-10-26T06:27:10Z
dc.date.issued2019-09-25
dc.description.abstractIn this paper, surface wind speed and average wind power derived from Sentinel-1 Synthetic Aperture Radar Level 2 OCN product were validated against four weather buoys and three coastal weather stations around Ireland. A total of 1544 match-up points was obtained over a two-year period running from May 2017 to May 2019. The match-up comparison showed that the satellite underestimated the wind speed compared to in situ devices, with an average bias of 0.4 m/s, which decreased linearly as a function of wind speed. Long-term statistics using all the available data, while assuming a Weibull law for the wind speed, were also produced and resulted in a significant reduction of the bias. Additionally, the average wind power was found to be consistent with in situ data, resulting in an error of 10 % and 5 % for weather buoys and coastal stations, respectively. These results showed that the Sentinel-1 Level 2 OCN product can be used to estimate the wind speed distribution, even in coastal areas. Maps of the average and seasonal wind speed and wind power illustrated that the error was spatially dependent, which should be taken into considerations when working with Sentinel-1 SAR data.en
dc.description.statusNot peer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationde Montera, L., Remmers, T., Desmond, C. and O'Connell, R. (2019) 'Validation of Sentinel-1 offshore winds and average wind power estimation around Ireland', Wind Energy Science,(24pp.), [In review] .DOI: 10.5194/wes-2019-49en
dc.identifier.doi10.5194/wes-2019-49en
dc.identifier.eissn2366-7451
dc.identifier.endpage24en
dc.identifier.issn2366-7443
dc.identifier.journaltitleWind Energy Scienceen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/8868
dc.identifier.volume2019en
dc.language.isoenen
dc.publisherCopernicus Publicationsen
dc.relation.urihttps://www.wind-energ-sci-discuss.net/wes-2019-49/
dc.rights©Author(s) 2019. This work is distributed under the Creative Commons Attribution 4.0 License.en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectValidation of Sentinel-1en
dc.subjectOffshore windsen
dc.subjectAverage wind poweren
dc.subjectIrelanden
dc.titleValidation of Sentinel-1 offshore winds and average wind power estimation around Irelanden
dc.typeArticle (preprint)en
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