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Hooded Seal

Underwater sounds are typically broadband and pulsed, and have been described as clicks, trills, knocks, whoops, growls, and moans.
How does sound travel in shallow water?

The way in which sound speed changes with depth is not the same everywhere in shallow water.
Reverberation

Reverberation is the total of all scattering received at a particular location.
Components of sound used for hearing

Particle motion, pressure, and velocity components of sound all all used for hearing.
Modeling and Prediction of Ocean Ambient Sound

Meeting Presentations - Part of the UN Ocean Decade
Introduction to Phase

Phase specifies the location or timing of a point within a wave cycle of a repetitive waveform.
Fin Whale

Fin whales produce a variety of low frequency sounds, some of which can be as loud as 190 underwater dB.
Hearing in Amphibious Marine Mammals

The ears of amphibious marine mammals need to function both in air and under water.
Southern Right Whale

Southern right whales have a circumpolar distribution in the Southern Hemisphere.

Hooded Seal