Wind retrieval from synthetic aperture radar - an overview

This paper represents a consensus on the state-of-the-art in wind retrieval using synthetic aperture radar (SAR), after the SEASAR 2012 workshop “Advances in SAR Oceanography” hosted by the European Space Agency (ESA) and the Norwegian Space Centre in Tromsø, Norway 18–22 June 2012. We document the...

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Bibliographic Details
Main Authors: Dagestad, Knut-Frode, Horstmann, Jochen, Mouche, Alexis, Perrie, William, Shen, Hui, Zhang, Biao, Li, Xiaofeng, Monaldo, Frank, Pichel, William, Lehner, Susanne, Badger, Merete, Hasager, Charlotte Bay, Furevik, Birgitte, Foster, Ralph C., Falchetti, Silvia, Caruso, Michael J., Vachon, Paris
Format: Article in Journal/Newspaper
Language:English
Published: European Space Agency 2013
Subjects:
Norway
Tromsø
Online Access:https://orbit.dtu.dk/en/publications/b0b832d7-868b-440f-abda-e5d68eb093b1
https://backend.orbit.dtu.dk/ws/files/59267621/SeaSAR2012_whitepaper_wind.pdf
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Summary:This paper represents a consensus on the state-of-the-art in wind retrieval using synthetic aperture radar (SAR), after the SEASAR 2012 workshop “Advances in SAR Oceanography” hosted by the European Space Agency (ESA) and the Norwegian Space Centre in Tromsø, Norway 18–22 June 2012. We document the recent advances of the methodologies, which are capitalizing on the improved capabilities of the modern generation of SAR sensors providing Doppler grid and multi-polarizations. The many applications of SAR wind retrieval have also benefitted from on the improved availability of wide swath modes (~500 km) with excellent coverage, giving much better overview of regional and mesoscale wind features. The accuracy of offshore wind retrieval is robust and generally in the order of 1.5 m/s in speed and 20° in direction, whereas the new methodologies steadily improve the performance for the more challenging conditions near cyclones and complex coastal topography.

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