The article was published on the NOAA Fisheries website. Ocean Noise: Can You Hear Me Now?
Successful implementation of NOAA's Ocean Noise Roadmap will ensure the future support of this work, and better conservation strategies for marine species.
|Marc spotting whales from the Coho. Note his headphones. We frequently deploy and listen to a hydrophone to tell how close we are to singers.|
|Tammy looking for whales. Pretty calm water, eh!|
|Tammy still looking for whales. If you look close, you can see a whale flipper to the left of Tammy.|
|Long term spectrogram of July 23, 2012. Energy sources come from cusk eels and boats (arrows). Cusk eel sounds reflect near-constant chatter during the day (noted by the bracket on the left) and evening choruses (noted), reflecting differences in energy levels during the day and night periods. Time was averaged in 5 s bins and frequency was averaged in 50 Hz bins.|