2017
DOI: 10.1109/jstars.2017.2746349
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Exploitation of C-Band Sentinel-1 Images for High-Resolution Wind Field Retrieval in Coastal Zones (Iroise Coast, France)

Abstract: International audienceSynthetic aperture radar (SAR) is one of the favorite tools for earth observation applications, i.e., oceanography, land use mapping, climate change since this device can offer the data at a high spatial resolution and in most meteorological conditions. This is more significant when the data acquired by the Sentinel-1, a new C-band satellite, are exploited. For high-resolution wind field extraction, two different approaches are proposed. In the scatterometry-based approach, wind direction… Show more

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Cited by 27 publications
(13 citation statements)
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“…Many validation studies have addressed the accuracy of SAR wind fields compared to wind measurements from ocean buoys [8][9][10], scatterometers [11], meteorological masts [12], and wind lidars [13]. These studies suggest that wind speeds over the open ocean can typically be retrieved with a root mean square error on the order of 1.3-1.5 m s −1 .…”
Section: Introductionmentioning
confidence: 99%
“…Many validation studies have addressed the accuracy of SAR wind fields compared to wind measurements from ocean buoys [8][9][10], scatterometers [11], meteorological masts [12], and wind lidars [13]. These studies suggest that wind speeds over the open ocean can typically be retrieved with a root mean square error on the order of 1.3-1.5 m s −1 .…”
Section: Introductionmentioning
confidence: 99%
“…A wind direction error of 30°introduces wind speed uncertainty up to 40% (Lehner et al, 1998;Horstmann et al, 2000), which makes the inversion method based on wind streaks somewhat limited in application. Therefore, some researchers have explored the methods of retrieving wind speed directly without wind direction input, such as Komarov model (Komarov et al, 2014;La et al, 2017) and electromagnetic model (La et al, 2018).…”
Section: Introductionmentioning
confidence: 99%
“…In this article, we focus on three methods to estimate wind direction from a sea surface SAR image in order to evaluate which one offers the best performances and to allow further studies like [12][13][14] to estimate the wind direction and wind speed with the lowest errors and uncertainties. These methods provide a local direction by processing SAR image cells of size around 5 × 5 km.…”
Section: Introductionmentioning
confidence: 99%