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If Found

If Found

In the second of two cruises to study the movement of dense water flowing through the Denmark Strait, WHOI oceanographer Bob Pickart returned to the East Greenland coast this summer…

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Dynamite Recovery

Dynamite Recovery

Jeff Pietro, Scott Worrilow, Chief Scientist Ruth Curry, and an R/V Atlantic Explorer crew member (left to right) recover a mooring line to the fantail of the ship in June.…

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Working Under Ice

Working Under Ice

To work under Arctic ice and in rough seas, researchers rely on bright, buoyant, and tough equipment. In fall 2011, crew and researchers aboard the United States Coast Guard icebreaker…

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Current Affair

Current Affair

A 2011 expedition led by WHOI physical oceanographer Bob Pickart confirmed the existence of a previously unknown ocean current called the North Icelandic Jet. It feeds cold, dense water into…

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Sunset at Sea

Sunset at Sea

The sun sets behind RV Knorr during a cruise to the Bermuda Rise in 2011 to work on the Dynamics of Abyssal Mixing and Interior Transports Experiment, or DynaMITE. Chief…

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A Journey North

A Journey North

In August 2011, research vessel Knorr left Iceland for the Denmark Strait to deploy a dozen moorings that will be collected one year later. Instruments on the moorings help WHOI…

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Grendel’s Lair

Grendel's Lair

In the fall of 2011, the WHOI-operated research vessel Knorr sailed past the Faroe Islands east of Iceland, an ideal home for Beowolf’s nemesis. The team on board, led by…

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Line Across the Denmark Strait

Line Across the Denmark Strait

A team from R/V Knorr prepares to deploy a mooring in the Denmark Strait in August 2011. The instruments on the mooring will help measure water flowing through the strait…

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Cold Feet

Cold Feet

Photographer Rachel Fletcher, currently on board the Knorr with WHOI’s Robert Pickart, recently took this picture of kittiwakes on an iceberg off the coast of Greenland. Pickart is leading the…

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Shells in the Sands of Time

Shells in the Sands of Time

In sediments beneath the Sargasso Sea, WHOI geologist Lloyd Keigwin found a 17,500-year-old clamshell and a mystery: Why was this South Atlantic species living in deep water near Bermuda at…

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A view from the bridge

A view from the bridge

It’s just another relatively routine autumn day in the North Atlantic for the WHOI-operated research vessel Knorr. On an expedition to the Irminger Sea in October 2007, scientists and crew…

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A surprising return

A surprising return

One of the “pumps” that helps drive the ocean’s global circulation suddenly switched on again last winter for the first time this decade. The “pump” is in the western North…

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Deep Waters on the Move

Deep Waters on the Move

Deep Atlantic Ocean circulation, part of the “global conveyor” system, strongly affects climate. WHOI, U.S. and international researchers launched more than 200 data-gathering floats into the North Atlantic between 1994…

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Ch-Ch-Changes…

Ch-Ch-Changes...

When scientists observed and analyzed four decades of hydrographic data, they found that tropical and subtropical Atlantic waters had become saltier over the course of 40 years (shown in top…

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