Long-range acoustic propagation in the Barents Sea

In the Barents Sea in summer-autumn requirements repeatedly per different years (since 1972) an experience on long-range diffusion of explosive and tone signals including of re-search courts of the Institute of Acoustic of Russian Academy of Sciences were put. On ma-terials of these experience the analysis of spatial - energy and time frame of sound fields is conducted, losses of sound energy in ground adjournment are estimated and its frequency dependence, the opportunities of build-up of acoustic model of a bottom compounded with effects of conducted experience are discussed.