Mar

08

Tracking walrus’ movement using only one ear

Ocean Life

A recent paper was published by marine research firm JASCO on localizing walruses using a single hydrophone. The technique they have refined is detailed in the article and involves assessing “multipath signals” – echoes from the sea surface and seafloor – along with the direct signal to track the movements of walruses in the Arctic. [...]

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Jan

18

BBC Focus on Sounds of the Sea

Noise Pollution / Ocean Life

Yesterday BBC News put out a feature article on ocean acoustics. I suspect that this is really making the rounds because many folks have brought it to our attention. For good reason too, as it includes some great embedded sounds, references to other useful resources, and a couple of conversations with folks in the field, [...]

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