Seasonal variation of the global low-frequency ocean soundscape from 25 years of NOAA-PMEL hydrophone deployments

Robert P Dziak1, TK Lau2, Haru Matsumoto3, David Mellinger4, Joseph Haxel2, Samara Haver5, Delwayne R Bohnenstiehl6, Jason Gedamke7, Leila Hatch8, Won Sang Lee9, Megan McKenna10, Julie Perrot11, Jean-Yves Royer12 and Deborah K Smith13, (1)NOAA Pacific Marine Environmental Laboratory, Seattle, WA, United States, (2)NOAA Newport, Newport, OR, United States, (3)Oregon State University, CIMRS, Newport, OR, United States, (4)NOAA/OSU Cooperative Institute for Marine Resources Studies, OR, United States, (5)NOAA/OSU Cooperative Institute for Marine Resources Studies, Newport, OR, United States, (6)North Carolina State Univ., Marine, Earth and Atmospheric Sciences, Raleigh, NC, United States, (7)NOAA Fisheries, Office of Science and Technology, DC, United States, (8)Gerry E. Studds Stellwagen Bank National Marine Sanctuary, MA, United States, (9)Korea Polar Research Institute, Incheon, South Korea, (10)National Park Service Natural Sounds and Night Skies Division, CO, United States, (11)University of Western Brittany, Brest, France, (12)Univ. Brest / CNRS, Plouzané, France, (13)National Science Foundation, Arlington, VA, United States