Wind Direction Estimation and Accuracy Retrieval from Sentinel-1 SAR Images Under Thermal and Dynamical Unstable Conditions

Windrows signatures on SAR images are analyzed to estimate their orientation and their estimated accuracy with respect to reference wind direction provided by buoy and model. The accuracy dependency to several parameters of interest such as wind speed, processing internal variables, incidence angle,...

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Main Authors: Husson, R., Longepe, N., Mouche, A., Berger, H., Lin, C., Archer, O., Colin, A.
Format: Conference Proceeding
Language:English
Subjects:
Analytical models
Estimation
Geoscience and remote sensing
Predictive models
Radar polarimetry
Wind forecasting
Wind speed
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creator Husson, R.
Longepe, N.
Mouche, A.
Berger, H.
Lin, C.
Archer, O.
Colin, A.
description Windrows signatures on SAR images are analyzed to estimate their orientation and their estimated accuracy with respect to reference wind direction provided by buoy and model. The accuracy dependency to several parameters of interest such as wind speed, processing internal variables, incidence angle, a priori presence of wind streaks but also SAR product acquisition modes and polarizations is analyzed. Regression models provide a satisfying method to combine these parameters and predict the a priori error on the estimated wind direction, crucial for any downstream application.
doi_str_mv 10.1109/IGARSS47720.2021.9555045
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subjects Analytical models
Estimation
Geoscience and remote sensing
Predictive models
Radar polarimetry
Wind forecasting
Wind speed
title Wind Direction Estimation and Accuracy Retrieval from Sentinel-1 SAR Images Under Thermal and Dynamical Unstable Conditions
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