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Multimedia Items


The Autonomous Underwater Vehicle Sentry

WHOI’s free-swimming robot Sentry completed its 500th dive on October 16, 2018. The autonomous underwater vehicle has used its sonar systems to help scientists map the seafloor, track the Deepwater…

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The Ocean Conveyor

ocean conveyor

A global system of currents, often called the Ocean Conveyor, carries warm surface waters from the tropics northward. At high latitudes, the waters cool, releasing heat to the atmosphere and…

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Arctic Ice

Data from the National Snow and Ice Data Center shows that, over the past three decades, the extent of Arctic sea ice (the area of the Arctic Ocean with at…

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Coastal Upwelling

Strong winds blowing along certain coasts can promote a phenomenon known as coastal upwelling. The waters off California, Peru, and western Africa where upwelling provides abundant nutrients include some of…

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Transmitting Sound Energy

The SOFAR channel efficiently transmits sound energy in the ocean. By Deborah K. Smith :: Originally published online August 3, 2004

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