Abstract
The field of underwater acoustics has reached a level of maturity that enables it to lay claim to offspring such as acoustical oceanography and animal bioacoustics. This maturity should by no means be equated with stagnation, however, for the classical discipline of ocean acoustics remains a lively, active, and vibrant area of research. It continues to generate exciting results through its unique combination of wave propagation physical, signal processing, and at‐sea experimentation. In recent years, the field has benefited enormously from scientific advances in oceanography and geophysics, as well as technological developments such as the Global Positioning System and microchip hardware. Current research activities in underwater acoustics embrace a wide band of frequencies, from tens of hertz to hundreds of kilohertz, and a broad range of oceanographic environments, from the surf zone to the deep ocean. Some of these exciting developments are reviewed in this paper.
Published Version
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