Sentences with phrase «ice shelves in»

Assuming that the largest remaining ice shelves in East Antarctica — Filchner - Ronne and Ross — will remain intact, sea level rise from all other melting ice and the expansion of seawater as the weather gets warmer over the next century would be somewhere between 2.6 feet (0.8 meter) and six feet (two meters)-- or nearly twice as much as projected last year by the U.N. Intergovernmental Panel on Climate Change (IPCC).

The grounding lines of ice shelves in this region have been rapidly retreating (several kilometres per year), as this paper shows using satellite data.

Furthermore, the recent behavior of ice shelves in Greenland (Nettles and Ekstrom, 2010),

The important role of ice shelves in stabilizing marine ice sheets introduces the potential for large and rapid ice - sheet shrinkage.

After 90 days, the Antarctic Peninsula anomaly can locally exceed 0.5 °C, and within a few years can explain the observed warming trends at the base of the ice shelves in the Amundsen and Bellingshausen seas.

From the University of Texas at Austin, a press release to tell us the ice shelves in the Antarctic peninsula are losing their grip and cracking a bit.

Trusel's latest study shows that, should global temperatures remain less than two degrees Celsius above pre-industrial levels, it's very unlikely that many more ice shelves in Antarctica will suffer a similar fate any time soon.

Trusel's study is the first to comprehensively study the sensitivity of warming air temperature on the stability of ice shelves in Antarctica, which are the floating extensions of glaciers and act to constrain the glaciers» speed.

A new satellite study of ice shelves in West Antarctica has revealed they are steadily losing their grip with adjacent land and could intensify the acceleration of ice loss in the area.

And about rapid, «faster - than - expected» melting of ice shelves in West Antarctica.

Siberia seems to be too dry to support marine terminating glaciers, which would be a prerequisite for the existence of ice shelves in the area.

This remote wilderness has the last floating ice shelves in the northern hemisphere such as Petermann Gletscher.

And scientists have published dire warnings that several ice shelves in West Antarctica are being undermined by warm currents where they connect to the ocean floor.

236 Leonid Polyak, Margo H. Edwards, Bernard J. Coakley, Martin Jakobsson, «Ice shelves in the Pleistocene Arctic Ocean inferred from glaciogenic deep - sea bedforms,» Nature 410:453 - 457 (22 March 2001).

The studies, entitled Rapid Submarine Ice Melting in the Grounding Zones of Ice Shelves in West Antarctica and Grounding Line Retreat of Pope, Smith and Kohler Glaciers took a comprehensive look at both surface and underside melt of three major west Antarctic glaciers near the Thwaites and Pine Island Glacier systems.

New paper finds East Antarctic ice sheet will have negative contribution to sea levels over next 200 years — Published The Cryosphere — Paper «studies one of the largest ice shelves in East Antarctica and predicts increased accumulation of ice on the surface of the ice shelf will have a net contribution of decreasing sea levels over the 21st and 22nd centuries.

«We find that the access of warm water to the glaciers and ice shelves in this region are almost controlled by a depth of about 700 meters [2,300 feet], which is just right above some of the warmest waters in the region,» said Eric Rignot, a professor of Earth system science at UCI and co-author of the new study.

Now we can see the importance of the ice shelves in supporting and slowing down the glaciers.

Until this new Cosgrove Ice Shelf research, scientists had not found indicators of intrusion by warmer water underneath Antarctic ice shelves in the geological record of the Holocene epoch, said Frank Nitsche, a research scientist at Lamont - Doherty Earth Observatory in Palisades, N.Y..

But scientists warn that the loss of ice shelves in the region could predicate sea level rise.

The latest published research suggests that «ice shelves may have an important role in stabilizing the ice sheet in Antarctica, and imply that the future loss of the largest ice shelves in the Antarctic could eventually cause accelerated and dramatic sea level rise,» Rapley said.

The larger ice shelves in other parts of Antarctica could have real effects on the rate of sea level rise.»

Attention will continue to be focused on these rapid responders to climate change; marine terminating glaciers in Greenland and ice shelves in Antarctica.

The world's 160,000 glaciers are not suddenly receding, but appear to be re-advancing, including those ice shelves in Antarctic and the polar ice sheets, all of which cycle regularly in ice mass.

A huge crack across one of the great ice shelves in Antarctica is continuing to widen, researchers revealed.

We just read about this with respect to the loss of ice shelves in Antarctica.

It's revealed a great deal about the age of the ice shelves in the Antarctic.

In particular, I won't be surprised if continued decade - to - decade variability in atmospheric circulation results in more, and less, intrusion of circumpolar deep water onto the continental shelf, and to more, and less, rapid thinning of ice shelves in West Antarctica *.

It is well known that ice shelves on the Antarctic Peninsula have collapsed on several occasions in the last couple of decades, that ice shelves in West Antarctica are thinning rapidly, and that the large outlet glaciers that drain the West Antarctic ice sheet (WAIS) are accelerating.

Leaving aside the collapse of the Larsen - B ice shelf and other ice shelves in Antarctica, is it too simplistic to expect that dramatic changes should be anticipated first in the Arctic because it is sea covered by a few meters of sea ice and therefore more susceptible to change, in comparison to Antarctica (which is obviously land covered by glacial ice up to several kilometers thick in places)?

Ice shelves in West Antarctica, in particular, face a potentially rapid retreat driven by warm water intruding and eating away at ice from below.

This could be do to changes in ocean circulation, and warming waters reaching the grounding lines for ice shelves in Arctic and Antarctica, leading to non-linear increase in melting and sea level rise, impossible to avoid on our current path.

The BENEMELT project aims to investigate how much snow melts on the ice shelves in East Antarctica, by how much that melt will increase in the future, and how that...

Ice shelves in this region protect a very large portion of glacial ice.

The findings, published Monday in Nature Geoscience, reveal that the 1997 - 98 El Niño led to a substantial loss of mass from the bottom of the ice shelves in West Antarctica's Amundsen sea sector, even as the shelves appeared to grow about ten inches taller from additional snowfall.

Overall, ice shelves in the Amundsen sea sector lost about five times as much mass as they gained during the event.

So disappearing sea ice in the Arctic, or collapsing ice shelves in the Antarctic, do not directly add to sea level rise.

Scambos, T., C. Hulbe, M. Fahnestock, and J. Bohlander, 2000: The link between climate warming and break - up of ice shelves in the Antarctic Peninsula.

Leaving aside the collapse of the Larsen - B ice shelf and other ice shelves in Antarctica, is it too simplistic to expect that dramatic changes should be anticipated first in the Arctic because it is sea covered by a few meters of sea ice and therefore more susceptible to change, in comparison to Antarctica (which is obviously land covered by glacial ice up to several kilometers thick in places)?

After large icebergs broke away from nearby ice shelves in recent decades, they collapsed and the land ice they were buttressing tumbled into the sea.

They include the detachment of a 1,300 - square - mile chunk from the Larsen B ice shelf, the disintegration of giant ice shelves in the Prince Gustav Channel and the Larsen Inlet, and the disappearance of ice shelves known as Jones, Larsen A, Muller and Wordie.

However, it is often overlooked that the major ice shelves in the Ross and Weddell Seas and the many smaller shelves and ice tongues buttressing outlet glaciers are also vulnerable to atmospheric warming.»

Some large chunks of ice have broken off Antarctica's ice shelves in recent years, although most researchers don't foresee runaway melting there.

BREAK UP Last year a crack stretching tens of kilometers rapidly spread across Larsen C, shown here in 2009, one of the largest ice shelves in Antarctica.

Today, as warming waters caused by climate change flow underneath the floating ice shelves in Pine Island Bay, the Antarctic Ice Sheet is once again at risk of losing mass from rapidly retreating glaciers.

By piecing together an 18 - year record of ice shelf thinning from three different sets of satellite data, the researchers found that some ice shelves in West Antarctica have lost as much as 18 % of their volume in the last 2 decades.

A 2012 study in Nature, using satellite data from the ICESat mission from 2003 to 2008, sounded the alarm, reporting that ice shelves in the EAIS were now losing volume.

As winds strengthen, scouring will likely increase, potentially worsening the prognosis for ice shelves in a way no one anticipated.

FIX API connectivity is starting to break the ice shelf in fixed income and push a wave of new trading platforms and data & analytic solutions into the market.

Although MIDAS is studying climate change's effect on Antartica, they said they weren't sure whether or not global warming was actually the culprit in this particular calving (although they said it does leave the ice shelf in a «vulnerable position.»)