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Geology News
Greenland Current Events

A Record of Acid Rain in Greenland Ice
April 15, 2014 | University of Washington

“By analyzing samples from the Greenland ice sheet, University of Washington atmospheric scientists found clear evidence of the U.S. Clean Air Act. They also discovered a link between air acidity and how nitrogen is preserved in layers of snow.” Quoted from the University of Washington press release.

A Glacial Speed Record
February 9, 2014 | National Geographic

The Jakobshavn Glacier, which is thought to have produced the iceberg that sank the Titanic is moving about 4x as fast as it was in the 1990s.

The Greenland Ice Sheet Holds an Unusual Aquifer
January 1, 2014 | The University of Utah

“Researchers have discovered a new aquifer in the Greenland Ice Sheet that holds liquid water all year long in the otherwise perpetually frozen winter landscape. [...] The reservoir is known as a “perennial firn aquifer” because water persists within the firn – layers of snow and ice that don’t melt for at least one season.” Quoted from The University of Utah press release.

Studying Diatoms in the Lakes of Southwestern Greenland
November 6, 2013 | National Science Foundation

Diatom populations in the lakes of southwestern Greenland are different from those in other parts of the Arctic in that they were rich in ‘warmer’ water diatoms throughout the Holocene.

Enormous Ice Sheets Scoured the Arctic Ocean Floor
October 11, 2013 | Alfred Wegener Institute

“We knew of such scour marks from places like the Antarctic and Greenland. They arise when large ice sheets become grounded on the ocean floor and then scrape over the ground like a plane with dozens of blades as they flow. The remarkable feature of our new map is that it indicates very accurately right off that there were four or more generations of ice masses, which in the past 800,000 years moved from the East Siberian Sea in a north-easterly direction far into the deep Artic Ocean.” Quoted from the Alfred Wegener Institute press release.

Studying Greenland Glaciers with Mathematics
September 12, 2013 | National Science Foundation

New quantitative information about glacier melting will help fine tune climate models and improve predictions for sea level rise.

Canyon Beneath Greenland Ice is 460 Miles Long
September 1, 2013 | NASA

“Hidden for all of human history, a 460 mile long canyon has been discovered below Greenland’s ice sheet. Using radar data from NASA’s Operation IceBridge and other airborne campaigns, scientists led by a team from the University of Bristol found the canyon runs from near the center of the island northward to the fjord of the Petermann Glacier.” Quoted from the NASA video release.

Plumbing Under the Greenland Ice Sheet
August 27, 2013 | National Science Foundation

“Scientists’ understanding of how Greenland Ice Sheet melt water travels in passages along the bedrock below fails to account for some key processes. This, in turn may be affecting their assessment of how ice sheets respond to climate change.” Quoted from the National Science Foundation press release.

How Surface Water Lubricates the Bottom of the Greenland Ice Sheet
August 14, 2013 | National Science Foundation

“Supraglacial lakes — bodies of water that collect on the surface of the Greenland ice sheet — lubricate the bottom of the ice when they drain, causing it to flow faster.” Quoted from the National Science Foundation press release.

Northern Hemisphere Losing Its Last Dry-Snow Region
May 24, 2013 | Cooperative Institute for Research in Environmental Sciences

“Last July, something unprecedented in the 34-year satellite record happened: 98 percent of the Greenland Ice Sheet’s surface melted, compared to roughly 50 percent during an average summer.” Quoted from the CIRES press release.

Temperature History of Earth Since the Ice Age
March 11, 2013 | National Science Foundation

“With data from 73 ice and sediment core monitoring sites around the world, scientists have reconstructed Earth’s temperature history back to the end of the last Ice Age.” Quoted from the National Science Foundation press release.

Information from Greenland Ice Cores
January 27, 2013 | National Science Foundation

“The International North Greenland Eemian Ice Drilling project results indicate that melting of the Antarctic ice sheet may have contributed more to sea level rise than melting of the Greeland ice sheet some 100,000 years ago.” Quoted from the NSF press release.

The edge of the Greenland ice sheet, near Kangerlussuaq. Peter West, NSF.

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