Sea Ice


A ‘Ticking Time Bomb’ in the Arctic

A 'Ticking Time Bomb' in the Arctic

Scientists discover that the amount of heat in a major Arctic Ocean circulation system has doubled over the past 30 years. If the temperatures continue to spike, it could eventually spell trouble for the ice above.

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Communicating Under Sea Ice

Communicating Under Sea Ice

Researchers at Woods Hole Oceanographic Institution developed a new communication and navigation system that works over long distances under Arctic sea ice, allowing scientists to use autonomous underwater vehicles to explore the ice-covered Arctic Ocean.

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Ice, Wind & Fury

Ice, Wind & Fury

Greenlanders are well away of piteraqs, the hazardous torrents of cold air that sweep down off the ice cap. But scientists are just beginning to unravel how and when piteraqs form.

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A Buoy’s Long Strange Trip

A Buoy's Long Strange Trip

Since 2004, WHOI scientists have deployed ice-tether profilers (ITPs) in polar sea ice to monitor changing conditions in the Arctic. ITP 47 found its way to the coast of Ireland.

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Unique Vehicles for a Unique Environment

Unique Vehicles for a Unique Environment

For climatologists and physical oceanographers, it is often said that the Arctic is a canary in the environmental coal mine. In the isolated Arctic Ocean Basin, a variety of oceanographic and other processes have conspired to create a layer of cold, salty water called a halocline, which shields the sea ice from underlying warmer waters that would otherwise melt it.

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