Chirp rests on the deck of R/V Bold Horizon
![An instrument rests on the deck of a ship, its cables suspended above it, while a scientist looks on.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/IMG_2897.jpg?itok=Ni2njPCl)
Detailed Description
This instrument, the Edgetech SB-516 or "chirp", emits acoustic signals that penetrate the sediment on the seafloor. The reflected sound is recorded and is used to create a cross-section image, or profile, of the sub-bottom.
Sources/Usage
Public Domain.