On the structure of the acoustic field in the sea containing a developed bubble layer near the surface

V. A. Akulichev, V. Bulanov, L. K. Bugaeva
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Abstract

Taking into account new experimental data on the distribution of bubbles in sea water, it is shown that the influence of a near-surface layer of bubbles on the structure of the spatial decay in the propagation of sound can be significant at fairly typical concentrations of bubbles in the near-surface layers of the ocean. In the presence of bubble clouds, a spatial restructuring of the field energy structure is observed, in which the main effect of the bubbles is concentrated at small distances, at the same time not affecting the sound attenuation at large distances.
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海洋表面含发达气泡层的声场结构研究
考虑到海水中气泡分布的新实验数据,表明在海洋近表层中相当典型的气泡浓度下,近表层气泡对声音传播中空间衰减结构的影响是显著的。在气泡云存在的情况下,观察到场能量结构的空间重构,其中气泡的主要作用集中在小距离处,同时不影响大距离处的声衰减。
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