sofar channel (English, noun)
expansion: sofar channel (uncountable)
Senses:
topics: geography
hydrology
natural-sciences
nautical
physical-sciences
physics
transport
glosses: The depth in the oceans, usually around 750 m below the surface, where the speed of sound is the lowest, causing it to transmit sound waves generated within this channel for long distances with little attenuation by acting as a waveguide.
tags: uncountable
Forms:
form: SOFAR channel
tags: alternative