Comparing wavelengths simulated by the coastal wave model CWAM and TerraSAR-X satellite data

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Abstract

The accuracy of the high resolution coastal wave forecast model CWAM is validated on the basis of sea state information from satellite images of TerraSAR-X (TS-X). At the same time, the performance of the satellite retrieval of sea state parameters is demonstrated. Employing 2-dimensional spatial Fourier Transformation, image spectra are derived from TS-X and locally varying patterns of the peak wavelength are provided using state-of-the-art satellite retrieval. Subsequently, wavelength comparisons are performed between a typical set of TS-X scenes acquired in December 2013 over the German Bight and the model hindcasts. The results are mostly in reasonable agreement. Potential shortcomings of the wave model are discussed as well.

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Gebhardt, C., Pleskachevsky, A., Rosenthal, W., Lehner, S., Hoffmann, P., Kieser, J., & Bruns, T. (2016). Comparing wavelengths simulated by the coastal wave model CWAM and TerraSAR-X satellite data. Ocean Modelling, 103, 133–144. https://doi.org/10.1016/j.ocemod.2015.10.003

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