"Some people talk to animals. Not many listen though. That's the problem."

-A.A. Milne

Passive Acoustic Deployments


NOAA NEFSC and its partners have been deploying bottom-mounted Marine Autonomous Recording Units (MARUs) since 2006 to record sound in the northwest Atlantic.  The MARUs collect and store acoustic data for several weeks or months until retrieval. Data collected from the buoys are being used to characterize ocean noise, study the acoustic behavior of marine mammals and fish, and to gain a better understanding of the abundance and distribution of species in these waters.

To view different acoustic deployments, drag the bars below the map through the timeline (the upper bar moves the timeline by month, the lower bar by year). Click on each yellow buoy symbol to get individual information. Information on the bouys can also be viewed as a spreadsheet.
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(File Modified Oct. 14 2016)