Summary of Ambient and Anthropogenic Sound in the Gulf of Alaska and Northwest Coast

About

Underwater ambient and anthropogenic sounds were recorded over multiple years at two U.S. Navy training areas, one in the Gulf of Alaska and the other offshore of the northwest coast of the continental U.S. The Gulf of Alaska Temporary Maritime Activities Area (GATMAA) was acoustically monitored for marine mammal, ambient, and anthropogenic sounds from July 2011 to September 2015. The Northwest Training Range Complex (NWTRC) was also monitored for sounds from marine mammals, ambient soundscape, and anthropogenic sources from September 2004 to May 2014.