Hydrophones
Naxys Hydrophones
The Naxys hydrophone sensor element is encased within an acoustically transparent compound, allowing omni-directional detection of audio signals at frequency ranges between 5Hz and300kHz. Signals are processed in 16-bit resolution. These instruments are pressure-rated to 3000m.
Listen to the Deep
Acoustic readings from hydrophones at Barkley Canyon and Folger Passage have been analyzed and incorperated into the Listening to the Deep Ocean (LIDO) website (Listen to the Deep . The LIDO website was developped by researchers at Spain's Technical University of Catalonia and analyses hydrophone data from many networks around the word. The LIDO research contributes to a better understanding of sea life response to anthropogenic sound sources and management of noise pollution in the oceans (NEPTUNE Canada: An Invitation to Science, 2012).
Instruments
Naxys hydrophones have been deployed to Folger Deep, Barkley Canyon Axis, Barkley Slope and the Vertical Profiler System. (Click the picture to enlarge it.)
Naxys hydrophone 2 at Barkley Canyon Axis
Naxys hydrophone 4 at Barkley Upper Slope
Naxys high-gain hydrophone 2 at Folger Deep