Sentences with phrase «measuring hydrophones»

The researchers of six countries bordering the Baltic Sea who participate in the BIAS project installed noise - measuring hydrophones on the southern side of the Jussarö lighthouse near Tvärminne and in the Gulf of Finland between Helsinki and Tallinn.

Not exact matches

The researchers measured the sound produced by the fish using an echo sounder (a sonar unit) and a hydrophone (underwater microphone).

Researchers endowed the observatory's six nodes with instruments that measure the ocean's changing temperature and chemistry, cameras that spy underwater creatures, hydrophones that listen to passing whales and seismometers and tsunami detectors that measure hazards as they happen.

Evidence of these eruptions showed up on distant seismometers, which measure waves passing through the ground to record earthquakes, and hydrophone arrays that pick up underwater sound to detect covert nuclear detonations.

Monitor endangered Pacific Northwest killer whales by detecting orca sounds and measuring noise levels using hydrophones