News tagged with greenland ice

Greenland's current loss of ice mass

The Greenland ice sheet continues to lose mass and thus contributes at about 0.7 millimeters per year to the currently observed sea level change of about 3 mm per year. This trend increases each year by a further 0.07 millimeters ...

Space & Earth / Earth Sciences

created May 29, 2012 | popularity 5 / 5 (5) | comments 0

Increasing speed of Greenland glaciers gives new insight for rising sea level

Changes in the speed that ice travels in more than 200 outlet glaciers indicates that Greenland's contribution to rising sea level in the 21st century might be significantly less than the upper limits some ...

Space & Earth / Earth Sciences

created May 03, 2012 | popularity 3.2 / 5 (13) | comments 46 | with audio podcast

Climate played big role in Vikings' disappearance from Greenland

The end of the Norse settlements on Greenland likely will remain shrouded in mystery. While there is scant written evidence of the colony's demise in the 14th and early 15th centuries, archaeological remains ...

Other Sciences / Archaeology & Fossils

created May 30, 2011 | popularity 4.3 / 5 (7) | comments 4 | with audio podcast

Warming ocean layers will undermine polar ice sheets

Warming of the ocean's subsurface layers will melt underwater portions of the Greenland and Antarctic ice sheets faster than previously thought, according to new University of Arizona-led research. Such melting ...

Space & Earth / Earth Sciences

created Jul 03, 2011 | popularity 3.3 / 5 (14) | comments 101 | with audio podcast

Study: Greenland ice sheet may melt completely with 1.6 degrees global warming

The Greenland ice sheet is likely to be more vulnerable to global warming than previously thought. The temperature threshold for melting the ice sheet completely is in the range of 0.8 to 3.2 degrees Celsius ...

Space & Earth / Earth Sciences

created Mar 11, 2012 | popularity 3.8 / 5 (28) | comments 132 | with audio podcast

Greenland may be slip-sliding away due to surface lake melt: study

Like snow sliding off a roof on a sunny day, the Greenland Ice Sheet may be sliding faster into the ocean due to massive releases of meltwater from surface lakes, according to a new study by the University ...

Space & Earth / Earth Sciences

created Apr 16, 2012 | popularity 4.5 / 5 (15) | comments 45 | with audio podcast

800,000 years of Greenland's abrupt climate variability

An international team of scientists, led by Dr Stephen Barker of Cardiff University, has produced a prediction of what climate records from Greenland might look like over the last 800,000 years.

Space & Earth / Earth Sciences

created Sep 08, 2011 | popularity 4.2 / 5 (12) | comments 19 | with audio podcast

Evidence of past Southern hemisphere rainfall cycles related to Antarctic temperatures

Geoscientists at the University of Massachusetts Amherst and the University of Minnesota this week published the first evidence that warm-cold climate oscillations well known in the Northern Hemisphere over ...

Space & Earth / Earth Sciences

created Jan 17, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

2010 spike in Greenland ice loss lifted bedrock, GPS reveals

(PhysOrg.com) -- An unusually hot melting season in 2010 accelerated ice loss in southern Greenland by 100 billion tons – and large portions of the island's bedrock rose an additional quarter of an inch ...

Space & Earth / Earth Sciences

created Dec 09, 2011 | popularity 5 / 5 (21) | comments 20 | with audio podcast

Report sees sharper sea rise from Arctic melt (Update)

(AP) -- The ice of Greenland and the rest of the Arctic is melting faster than expected and could help raise global sea levels by as much as 5 feet this century, dramatically higher than earlier projections, ...

Space & Earth / Earth Sciences

created May 03, 2011 | popularity 4 / 5 (27) | comments 48

Absence of evidence for a meteorite impact event 13,000 years ago

An international team of scientists led by researchers at the University of Hawaii at Manoa have found no evidence supporting an extraterrestrial impact event at the onset of the Younger Dryas ~13000 years ...

Space & Earth / Earth Sciences

created Dec 08, 2009 | popularity 4.1 / 5 (17) | comments 13

Ice sheets can expand in a geologic instant, Arctic study shows

(PhysOrg.com) -- A fast-moving glacier on the Greenland Ice Sheet expanded in a geologic instant several millennia ago, growing in response to cooling periods that lasted not much longer than a century, according ...

Space & Earth / Earth Sciences

created Dec 14, 2011 | popularity 5 / 5 (4) | comments 9 | with audio podcast

Bowhead whales using the Northwest Passage

(PhysOrg.com) -- According to a new study published in Biology Letters, the climate changes and melting of ice in the Northwest Passage are leading to the mingling of two bowhead whale populations that have b ...

Biology / Plants & Animals

created Sep 22, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast report

Scientists discover nanodiamonds in Greenland ice

(PhysOrg.com) -- University of Maine volcanologist Andrei Kurbatov and glaciologist Paul Mayewski, along with 21 other scientists, coauthored a scientific paper released late last month that details the discovery of a layer ...

Space & Earth / Earth Sciences

created Sep 08, 2010 | popularity 4.8 / 5 (13) | comments 13 | with audio podcast

Climate change disasters could be predicted

Climate change disasters, such as the melting of the Greenland ice sheet, dieback of the Amazon rainforest or collapse of the Atlantic overturning circulation, could be predicted according to University of Exeter research.

Space & Earth / Environment

created Jun 19, 2011 | popularity 3.7 / 5 (10) | comments 8 | with audio podcast