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This paper describes the phenomenon of cancellation of opposing acoustic energy flows observed in an oceanic waveguide. One of the flows is a vertical (or horizontal) energy flow of dynamic underwater ambient noise, and the other (opposing) one is a vertical (or horizontal) energy flow from a local source. Results of a field experiment in the deep ocean are presented which show that the above-mentioned phenomenon leads to the destruction of coherence between the vertical and horizontal components of the particle velocity and pressure.

The results of measurements of scalarvector cha

No abstract