News tagged with underwater

New maps show how shipping noise spans the globe

The ocean is naturally filled with the sounds of breaking waves, cracking ice, driving rain, and marine animal calls, but more and more, human activity is adding to the noise. Ships' propellers create low-frequency hums that ...

dateMay 31, 2013 in Environment
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Bay's underwater grasses decline for third year

( —An annual aerial survey led by researchers at the Virginia Institute of Marine Science shows that the abundance of underwater grasses in Chesapeake Bay and its tidal rivers declined 24% between 2011 and 2012, ...

dateApr 26, 2013 in Environment
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Trident submarine robot successfully tested at sea

In its final assessment, the European project Trident has submerged its I-AUV (autonomous underwater vehicle for intervention) in the Port of Sóller (Mallorca). The vehicle has been able to find and retrieve independently ...

dateApr 19, 2013 in Engineering
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