Marine mammals and low-frequency sound : progress since 1994 / Committee to Review Results of ATOC's Marine Mammal Research Program, Ocean Studies Board, Commission on Geosciences, Environment, and Resources, National Research Council.

Sound has become a major tool for studying the ocean. Although the ocean is relatively opaque to light, it is relatively transparent to sound. Sound having frequencies below 1,000 Hertz (Hz) is often defined as low-frequency sound. The speed of sound is proportional to the temperature of the water t...

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