Sonar technology emits sound vibrations into the water ... In early 2010, for example, NOAA announced that it was beginning work toward creating a comprehensive "noise budget" for the oceans ...

In early August, blue crab fans took over Lewes, Delaware, for the Crab Pot Jamboree, where the biggest catch was learning ...

The loudest and most disruptive anthropogenic ocean sounds come from military sonar, oil exploration and industrial shipping, and the Center is working to protect our marine life from each of these ...

Both methods, which deploy fan-like arrays of sound waves to scan the seafloor, are frequently used together in underwater ...

to listen to sounds. Experts use sonar to develop nautical charts, locate underwater hazards, search for shipwrecks and map ...