Sentences with phrase «ice shelf break»

Has anyone put the pieces together yet and considered how these improvements in understanding ice shelf break - up translate to predicting sea level rise?
Ice shelf disintegration by plate bending and hydro - fracture: Satellite observations and model results of the 2008 Wilkins ice shelf break - ups.
Based on the seasonality of ice shelf break up, and the geographic distribution of ice shelf collapse near the southerly - progressing -9 °C isotherm, it appears that surface ponding is necessary for ice - shelf collapse [12].
We can expect to learn a lot about how ice shelves break up and how the loss of a section of an ice shelf affects the flow of the remaining parts.»
When the Larsen C ice shelf broke, it exposed a hidden world.
Starter — attention grabbing headline to go with image of ice shelves breaking up.
8) Accelerated mass loss in Greenland and / or Antarctica, perhaps with another huge ice shelf breaking off, but in any case coupled with another measurable rise in the rate of sea level rise, 9) The Fifth Assessment Report (2012 - 2013) really spelling out what we face with no punches pulled.
Due to rising temperatures, a Delaware - sized piece of the Antarctic ice shelf broke off into the sea in July.
It was conflated with other rapid climate changes (volcanoes, ice shelves breaking up) lacking bistable states, or it was simply lost in a greenhouse story.
This week, the Larsen C ice shelf broke away from Antarctica, setting a one trillion ton iceberg afloat in the Wedell Sea.

Not exact matches

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.
But huge chunks of ice, some the size of a bus, have broken off the shelf.
Now that the close to 2,240 square - mile (5,800 square kilometers) chunk of ice has broken away, the Larsen C shelf area has shrunk by approximately 10 percent.
The mammoth iceberg — roughly 10 percent of the entire ice shelf — now dangles like a broken tree limb, tethered by just 12 miles of ice.
Eventually, the floating ice shelf in front of the glaciers «broke up», which caused them to retreat onto land sloping downward from the grounding lines to the interior of the ice sheet.
They are now heading through relatively ice - free waters to the Larsen A ice shelf, where a giant iceberg broke off in 1995.
Break up of a floating «ice shelf» in front of the glacier left tall ice «cliffs» at its edge.
While her colleagues are modelling when the next ice shelf will break off or forecasting next year's drought, Gillian is making this information relevant to non-scientists.
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.
In November 2014, Jansen assembled images of Larsen C taken by NASA's Landsat satellites and noticed something unusual: One of the cracks had spread past the suture zone and was more than halfway toward breaking off a large section of the ice shelf.
In July, a Delaware - sized iceberg broke off from Antarctica's Larsen C ice shelf (SN: 8/5/17, p. 6).
As this happens, the floating ice shelf in front of it also lengthens and thins, increasing its chances of breaking and allowing even more ice to flow out from behind it.
Science is unable to accurately predict when and where the ice shelf will break.
As a rule of thumb, she explains, the ice tends to break where it is thinner than 200 metres; in reality, however, there are also many ice shelves that are even thinner.
«The ice shelf generally breaks at points that are between a half and full thickness of the ice sheet from the edge,» summarises Christmann.
The crack could break off a massive area of ice and threaten the ice shelf's stability.
The iceberg, which is likely to be named A68, was already floating before it broke away so there is no immediate impact on sea levels, but the calving has left the Larsen C ice shelf reduced in area by more than 12 percent.
Because the ice shelf was already floating, its break - up will not cause global sea levels to rise.
That makes it vulnerable to collapse, because seawater can flow in underneath it and transform its edge into a floating ice shelf like Larsen B, which might then break up, freeing the ice behind it.
Some large chunks of ice have broken off Antarctica's ice shelves in recent years, although most researchers don't foresee runaway melting there.
«That's going to be more effective in breaking these ice shelves apart.»
The breaking apart of the ice shelf in the channels is similar to removing an ice jam from a river.
Slabs continued to calve and break up throughout the next 10 days; by March 8 the Wilkins ice shelf, comprising some 5,000 square miles of floating ice off the coast of the Antarctic Peninsula, had lost 160 square miles of ice to the Pacific Ocean.
Surface melting is thought to have played a big part in the break - up of the nearby Larsen B ice shelf in 2002.
First of all, less sea ice is forming in the region, and secondly, oceanographic recordings from the continental shelf break confirm that the warm water masses are already moving closer and closer to the ice shelf in pulses,» says Dr Hartmut Hellmer, an oceanographer at the AWI and first author of the study.
«The long term evolution of an ice shelf — whether or not it breaks up and disintegrates — is an important factor in how fast sea level will rise.»
Scientists closely monitor the size and movement of ice shelves because when they break up, they indirectly contribute to sea level rise through their impact on land ice.
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.
If they begin to melt, however — particularly as they're exposed to warmer ocean water — the shelves become thinner and the grounding line begins to retreat backward, causing the glacier to become less stable and making the ice shelf more likely to break.
So, if Larsen C ultimately breaks up, researchers are concerned that could be a sign that other ice shelves holding back a large amount of land ice could cause oceans to rise.
Here on Earth, but also in remote and unfamiliar territory, an iceberg the size of Delaware broke away from the fourth largest ice shelf in Antarctica, earning our No. 3 spotand offering scientists a chance to study newly forming ecosystems.
In the past 20 years, seven ice shelves along the Antarctic Peninsula have retreated or disintegrated, including the most spectacular break - up of the Larsen B Ice Shelf in 2002, which Envisat captured within days of its launice shelves along the Antarctic Peninsula have retreated or disintegrated, including the most spectacular break - up of the Larsen B Ice Shelf in 2002, which Envisat captured within days of its launIce Shelf in 2002, which Envisat captured within days of its launch.
Sometimes the changes are visible and dramatic — as when a Manhattan - sized iceberg breaks away from an ice shelf.
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.
People have been a bit jumpy about ice shelves ever since the Larsen Ice Shelf began to break ice shelves ever since the Larsen Ice Shelf began to break Ice Shelf began to break up.
A 100 - meter - wide, kilometers - long rift in Antarctica's Larsen C ice shelf could soon break off a 5,000 - square - kilometer chunk of ice into the ocean, scientists warn.
Luftwerk used the worldwide attention paid to the Larsen C ice shelf in Antarctica — which broke off into the Weddell Sea in July 2017 — as a starting point for their project.
One of Antarctica's largest ice shelves is nearing its breaking point, scientists warn.
Scientists recognized that climate change is rapidly altering the landscape in Antarctica, particularly when it comes to glacier retreat and ice shelf collapse, so they made a pact for how they would approach research as huge chunks of ice broke off.
The Larsen B ice shelf in 2002 and the Wilkins ice shelf in 2008 both saw huge icebergs break off due largely to warming waters.
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