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A world of sound lies beneath the ocean’s surface. New research led by MBARI biological oceanographer John Ryan reported in @FrontMarineSci this week found a reduction in noise from shipping traffic in the @MBNMS during the COVID-19 pandemic.
Learn more: mbari.org/pandemic-reduc…
Learn more: mbari.org/pandemic-reduc…
MBARI has a hydrophone deep in Monterey Bay that continuously listens to the underwater soundscape. It records natural sounds, as well as noise from human activities, like shipping. Audio streams to shore in real time, allowing researchers to see change when it is happening. 
In 2020, the research team noticed a quieter soundscape in Monterey Bay. Low-frequency noise declined from January to June. Compared to data recorded for that same period in 2018 and 2019, this noise was reduced by half.
