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Greenland

A wall of ice looms over an expanse of rocks.
Posted inNews

Impact Structure Hidden Under Arctic Ice Dates to the Paleocene

by Katherine Kornei 13 April 202213 April 2022

Greenland’s Hiawatha impact structure, more than 30 kilometers in diameter, is much older than previously thought, new results suggest.

Meltwater draining through a crack in a glacier
Posted inNews

It’s Getting Hot Under Greenland

by Danielle Beurteaux 29 March 202229 March 2022

Meltwater draining through an area of the Greenland Ice Sheet creates enough energy to rival that of a massive hydroelectric power station, researchers say.

Several people aboard a small motorboat in a fjord with a glacial ice cliff in the background
Posted inScience Updates

Arctic Unicorns and the Secret Sounds of a Glacial Fjord

by Evgeny A. Podolskiy 9 December 202116 December 2021

The successful deployment of a seafloor seismometer near the calving front of a Greenland glacier has opened a new avenue to study hidden glacial processes and the behavior of fjord-dwelling wildlife.

Two scientists stand atop a glacier holding cords and ropes, with a view of a fjord, icebergs, and mountains in the distance
Posted inScience Updates

Undertaking Adventure to Make Sense of Subglacial Plumes

by Evgeny A. Podolskiy 18 August 202129 September 2021

Novel observations and inventive analyses of glacial discharge in Greenland have revealed new insights into the irregular and chaotic nature of ice-ocean interactions at glacial calving fronts.

2-D representation of 360-degree borehole images from about 34 and 80 meters deep showing several identified crevasse traces
Posted inEditors' Highlights

Evidence of Crevasses Transporting Heat Deep into Greenland Ice

by Susan Trumbore 3 June 202111 January 2022

Crevasses are a feature of ice sheets but how deep they extend has been a mystery. Now crevasse traces have been visually identified to 265 meters in a borehole in a fast-moving outlet glacier.

Three researchers with cables on ice
Posted inNews

The Chaos Beneath a Glacier’s Calving Front

by Danielle Beurteaux 20 May 202128 April 2022

For the first time, researchers have captured continuous data on the abrupt changes and activities happening at a glacier’s calving front.

Artist’s conception of WATSON instrument surrounded by life-related molecules
Posted inNews

An Ice Probe on Earth Could Help Us Find Life in Space

by JoAnna Wendel 10 December 202031 March 2022

An instrument called WATSON can help find biosignatures on icy ocean worlds.

Ice on the west coast of Greenland
Posted inNews

Unprecedented Clear Skies Drove Remarkable Melting in Greenland

by Hannah Thomasy 5 May 202011 January 2022

Scientists are concerned that current climate models do not fully account for the impact of atmospheric conditions on the Greenland Ice Sheet and, consequently, may dramatically underestimate melting.

Researchers set up a time-lapse camera on a hilltop overlooking the a tidewater glacier in central West Greenland.
Posted inResearch Spotlights

Predicting the Future of Greenland’s Melting Ice Sheet

by Sarah Stanley 23 April 202029 September 2021

Despite recent leaps in our understanding of how climate change is affecting Greenland’s glaciers, many uncertainties remain.

A mooring deployed as part of the Overturning in the Subpolar North Atlantic Program surfaces near the coast of Greenland.
Posted inResearch Spotlights

Larger Role for Shallow Intermediate Waters in Ocean Circulation

by S. E. Pratt 24 March 202012 January 2022

Water masses formed off southeastern Greenland may contribute more than previously thought to the variability of the Atlantic Meridional Overturning Circulation, which strongly influences global climate.

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