Healthy oceans need healthy soundscapes

Rain falls lightly on the ocean's surface. Marine mammals chirp and squeal as they swim along. The pounding of surf along a distant shoreline heaves and thumps with metronomic regularity. These are the sounds that most of ...

Under the sea, humans have changed ocean sounds

Not only are humans changing the surface and temperature of the planet, but also its sounds – and those shifts are detectable even in the open ocean, according to research published Thursday.

Harbor porpoises and seal bombs

Using recordings from MBARI's deep-sea hydrophone, marine-mammal researchers have found that the sounds of seal bombs could have significant impacts on the behavior of harbor porpoises in and around Monterey Bay. Seal bombs ...

Measuring noise reduction in the ocean during the pandemic

For decades, it has been assumed that a quieter ocean could help take the Salish Sea's southern resident killer whales off the endangered species list. But researchers lacked enough data to test this theory—until now.

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