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Acoustic and Environmental Observation Network in the Northwest Atlantic (AEON, 2021-2026)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: May 05, 2026 at 07:30 PM | Dataset Last Updated: May 29, 2025 at 12:00 AM
These data represent the raw passive acoustic data collected from Acoustic and Environmental Observation Network (AEON) in the U.S. Northwest Atlantic, which was developed and deployed in February 2021. This network of five observation nodes complements existing oceanographic monitoring infrastructure in the Gulf of Maine. The network provides simultaneous, long-term monitoring of soundscapes and multiple acoustically-relevant parameters such as marine mammal behavior and prey concentration at key locations where changes in the Labrador and Gulf Stream currents are projected to affect the Gulf of Maine.

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