EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > AMBIENT NOISE
The acoustic energy above which a single desired signal is heard. In
the oceans, ambient noise can be produced physically (e.g. wind, rain,
bubbles) or biologically (e.g. whales, dolphins).
Adapted from: Open University. 1989. Seawater: its composition, properties and
behaviour. Pergamon Press. p. 78-79.