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

Author

Jens Kieser, Claus Gebhardt, Andrey Pleskachevsky, Peter Hoffmann, Thomas Bruns, Susanne Lehner, Wolfgang Rosenthal, Tolman, Hendrik, and Hemer, Mark

Subjects
Atmospheric Science, 010504 meteorology & atmospheric sciences, Meteorology, 0211 other engineering and technologies, 02 engineering and technology, Sea state, Institut für Methodik der Fernerkundung, Oceanography, 01 natural sciences, Wave model, symbols.namesake, Satellite data, Computer Science (miscellaneous), Physics::Atmospheric and Oceanic Physics, 021101 geological & geomatics engineering, 0105 earth and related environmental sciences, Remote sensing, Basis (linear algebra), sea state analysis, German bight, Geotechnical Engineering and Engineering Geology, coastal wave model CWAM, Synthetic aperture radar (SAR), Wavelength, Fourier transform, symbols, SAR-Signalverarbeitung, Environmental science, Satellite, TerraSAR-X, synthetic aperture radar
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.

Published
2016
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