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Ice sheet News

Greenland ice sheet melting at alarming rate of speed

The Greenland ice sheet is melting faster today than at any point in the last 350 years, according to a new study. The study found that the rate of melting is "off the charts."

Researchers find new source of melting ice in Antarctic

A new study has revealed a previously undocumented process where melting glacial ice sheets change the ocean in a way that further accelerates the rate of ice melt and sea level rise.

Video: New NASA animation shows Antarctica without ice

Sheets of ice one mile thick cover most of Antarctica, obscuring many of its geographical features. Now a new animation by NASA offers the most detailed and accurate picture yet of what the landmass would look like if all that ice were to melt.

NASA: Antarctic sea ice grows – but the climate’s still changing

A NASA study has reported a rise in Antarctic sea ice. For cherry picking climate change deniers, it may be a neat counterweight to Arctic ice melt but, as the NASA study shows, Antarctic ice expansion is another worrying trend in global climate change.

New York-sized iceberg forms in Pine Island glacier in Antarctica

A glacier the size of New York or Berlin has recently split off in the Antarctic continent creating a split 800-feet wide. The glacial split in Pine Island runs for almost 20 miles (32km), is 60m (200ft) deep and is growing every day.

Huge ice sheet breaks off Greenland glacier, moves south

Researchers have been watching the environment change in Greenland for some time. Now, however, they've noted the largest ice sheet in 50 years is breaking off from the island and moving south where it could interfere with shipping.

Obama Administration Seeks Mandatory Limits on Antarctic Tourism

The Obama Administration is seeking mandatory Antarctic touring limits, in a move to protect the fragile Antarctic environment.

Antarctic Ice Sheet Nears Melting Tipping Point

A five-nation scientific team has published new evidence that even a slight rise in atmospheric concentrations of carbon dioxide affects the stability of the West Antarctic Ice Sheet (WAIS).

Study Says New Greenland Ice Sheet Data Effects Climate Change Models

A comprehensive new study authored by University at Buffalo scientists and their colleagues for the first time documents in detail the dynamics of parts of Greenland's ice sheet.

Greenland Ice Sheet Melt Accelerates

The 2007 melting rate of the Greenland ice sheet broke the 2005 summer melt record by 10 per cent, making it the largest ever decrease since satellite measurements began in 1979.

DNA on Greenland, and what about global warming?

Scientists took hundreds of DNA samples from the ice 2km deep at the base of the southern Greenland ice sheet. They found DNA from species such as alder, pine, spruce and yew trees. They also found DNA from beetles, butterflies, flies and spiders.
 

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On the Greenland ice sheet at point T05  one of the main validation sites staffed by UK scientists. ...
On the Greenland ice sheet at point T05, one of the main validation sites staffed by UK scientists. Note the corner reflector used for airborne altimeter calibration.
ESA
Icebergs that appear to have broken off Thwaites glacier spread across Pine Island Bay.
Icebergs that appear to have broken off Thwaites glacier spread across Pine Island Bay.
NASA
 An ice sheet covers almost all of Greenland—about 1.7 million square kilometers (650 000 square m...
"An ice sheet covers almost all of Greenland—about 1.7 million square kilometers (650,000 square miles). It holds so much ice that if it were to melt away entirely, global sea level would rise 7 meters (23 feet)," as NASA writes.
NASA
This image taken by NASA s Operation IceBridge in Greenland shows the broad seemingly endless expans...
This image taken by NASA's Operation IceBridge in Greenland shows the broad seemingly endless expanse of the ice sheet.
NASA/Operation Ice Bridge
Inside one of the tunnels.
Inside one of the tunnels.
U.S. Army
The camp had a fully equipped kitchen.
The camp had a fully equipped kitchen.
U.S. Army
Thousands of supraglacial lakes form on top of the Greenland ice sheet each summer  with some of the...
Thousands of supraglacial lakes form on top of the Greenland ice sheet each summer, with some of them being miles wide.
Woods Hole Oceanographic Institution
Camp Century  under the sheet ice in Greenland  was a secret military base.
Camp Century, under the sheet ice in Greenland, was a secret military base.
U.S. Army
Unloading the portable nuclear reactor.
Unloading the portable nuclear reactor.
U.S. Army
Untitled
U.S. Army
Pine Island Glacier (PIG) ice shelf is the floating extension of the Pine Island Glacier  one of the...
Pine Island Glacier (PIG) ice shelf is the floating extension of the Pine Island Glacier, one of the two largest outlet glaciers (Thwaites Glacier is the other) draining the West Antarctic ice sheet.
NASA Images