Sentences with phrase «underwater microphones called»

To do this, the researchers use underwater microphones called hydrophones on oceanographic moorings to listen for the sounds made by marine mammals.

These stations have an underwater microphone called a hydrophone that picks up specially coded messages released by the transmitters attached to the rays.

Not exact matches

Researchers are using underwater microphones to interpret and characterize the calls of blue whales swimming through Southern California's oceans, revealing new insights into the behavior of these endangered marine mammals, according to new research being presented at the Ocean Sciences Meeting here on Tuesday.

The researchers used a small boat to tow an array of underwater microphones, called hydrophones, about 2 meters below the surface and recorded the sounds of individual dolphins identified by their dorsal fins.