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An Ocean Observing System for Large-Scale Monitoring and Mapping of Noise Throughout the Stellwagen Bank National Marine Sanctuary

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 27, 2026 | Last Modified: 2020-09-21T00:00:00.000+00:00
This record represents raw passive acoustic data collected from the Gerry E. Studds Stellwagen Bank National Marine Sanctuary (SBNMS). From 2006 to 2011, researchers deployed arrays of bottom-mounted Marine Autonomous Recording Units (MARUs). These units continuously recorded low-frequency sound in the Stellwagen Bank National Marine Sanctuary. We analyzed recordings from these units for the presence of vocally-active baleen whales and fish species. We also combined MARU data with data from the U.S. Coast Guard's Automatic Identification System to calculate noise budget contributions from tracked vessels in the area. To investigate the potential effects of vessel noise on the acoustic communication of marine mammals, we integrated ship and whale data. Together with the National Park Service we use these data to develop tools for understanding long-term changes in the sanctuary's 'soundscape.'

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