Abstract
We propose a new mechanism of a change in the brightness temperature of the ocean due to the contribution from steep mesoscale waves and estimate the contribution of such waves to the brightness temperature of the ocean. A steep wave is simulated by an inclined surface. The estimates show that variations in the radio-brightness temperature due to steep irregularities can reach several kelvins at low grazing angles. For short observation distances and low grazing angles, the brightness temperature has bursts similar to those observed in the case of backscattering. These bursts occur when breaking waves hit the observation area.
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