Abstract
Estimates and standard deviations of the azimuth and elevation angles are presented for the underwater dynamic noise energy flux vector in the deep open ocean in the frequency band from 400 to 700 Hz at wind speeds of 6 and 12 m/s. The measurements are performed by a freely drifting combined measuring system at a depth of 500 m. The mean horizontal and vertical angles of the energy flux vector and their standard deviations are estimated using different averaging times. For the averaging time, a limiting value of 60 s is obtained. The presence of a relation between the direction of near-surface wind and the propagation direction of the horizontal dynamic noise energy flux is revealed. It is suggested that the mechanism responsible for the generation of the horizontal mean dynamic noise energy flux is related to the scattering of the initial noise field by the rough ocean surface.
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