Abstract
An approach to the retrieval of sea wave spatial spectra based on satellite optical imagery in linear and nonlinear approximations is described. Physical mechanisms of the formation of disturbed sea surface brightness fields recorded by remote sensing equipment are analyzed. Wave spectra retrieval methods using brightness field formation models that consider linear and nonlinear dependencies on sea surface slopes are suggested. A method for the construction of operators that retrieve the spatial spectra of surface wave slopes and elevations from aerospace imagery and take into account nonlinear modulations of disturbed sea surface brightness fields is developed. This method is based on the numerical simulation of sea surface images and the construction of a retrieving operator with respect to a set of parameters determined by aerospace imaging conditions. Examples of the use of the developed methods are given.
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Original Russian Text © V.G. Bondur, A.B. Murynin, 2015, published in Issledovanie Zemli iz Kosmosa, 2015, No. 6, pp. 3–14.
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Bondur, V.G., Murynin, A.B. Methods for retrieval of sea wave spectra from aerospace image spectra. Izv. Atmos. Ocean. Phys. 52, 877–887 (2016). https://doi.org/10.1134/S0001433816090085
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DOI: https://doi.org/10.1134/S0001433816090085