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Biology

Integrative Biology Publications

Series

2021

Climate change

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Full-Text Articles in Life Sciences

Underwater Sound Levels In The Canadian Arctic, 2014–2019, William D. Halliday, David Barclay, Amanda N. Barkley, Emmanuelle Cook, Jackie Dawson, R. Casey Hilliard, Nigel E. Hussey, Joshua M. Jones, Francis Juanes, Marianne Marcoux, Andrea Niemi, Shannon Nudds, Matthew K. Pine, Clark Richards, Kevin Scharffenberg, Kristin Westdal, Stephen J. Insley Jul 2021

Underwater Sound Levels In The Canadian Arctic, 2014–2019, William D. Halliday, David Barclay, Amanda N. Barkley, Emmanuelle Cook, Jackie Dawson, R. Casey Hilliard, Nigel E. Hussey, Joshua M. Jones, Francis Juanes, Marianne Marcoux, Andrea Niemi, Shannon Nudds, Matthew K. Pine, Clark Richards, Kevin Scharffenberg, Kristin Westdal, Stephen J. Insley

Integrative Biology Publications

The Arctic has been a refuge from anthropogenic underwater noise; however, climate change has caused summer sea ice to diminish, allowing for unprecedented access and the potential for increased underwater noise. Baseline underwater sound levels must be quantified to monitor future changes and manage underwater noise in the Arctic. We analyzed 39 passive acoustic datasets collected throughout the Canadian Arctic from 2014 to 2019 using statistical models to examine spatial and temporal trends in daily mean sound pressure levels (SPL) and quantify environmental and anthropogenic drivers of SPL. SPL (50–1000 Hz) ranged from 70 to 127 dB re 1 μPa …