«There have been some idealized studies using models, and even some indirect observations
off the ice shelves, suggesting that El Niño might significantly affect some of these shelves, but we had no actual ice - shelf observations.
When an iceberg calves
off an ice shelf, there is less ice to push back on the glaciers, causing them to speed up.
Not exact matches
More than once we had lost one of our four engines, and in 1987 a giant crack became persistently visible along the edge of the Larsen B
ice shelf,
off the Antarctic Peninsula — making it abundantly clear that an emergency landing would be no gentle touchdown.
But huge chunks of
ice, some the size of a bus, have broken
off the
shelf.
This iceberg, named UK211, had survived for three years since calving
off the Larsen C
ice shelf 385 kilometers south, but now it was drifting into warm climates north of the peninsula.
An iceberg about the size of the state of Delaware split
off from Antarctica's Larsen C
ice shelf sometime between July 10 and July 12.
MELT
OFF Off the coast of the western Antarctic Peninsula (shown), upwelling of relatively warm, deep water has been linked to the melting of ice shelves, which help buttress the region's glacie
OFF Off the coast of the western Antarctic Peninsula (shown), upwelling of relatively warm, deep water has been linked to the melting of ice shelves, which help buttress the region's glacie
Off the coast of the western Antarctic Peninsula (shown), upwelling of relatively warm, deep water has been linked to the melting of
ice shelves, which help buttress the region's glaciers.
Thermal wavelength image of a large iceberg, which has calved
off the Larsen C
ice shelf.
What matters for sea - level rise is the addition of
ice from land into the ocean, however it's the
ice shelves that hold
off the flow of grounded
ice toward the ocean.
They are now heading through relatively
ice - free waters to the Larsen A
ice shelf, where a giant iceberg broke
off in 1995.
Massive
ice shelves — Antarctica's largest is bigger than California — get shoved
off and float atop the ocean.
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.
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).
The crack could break
off a massive area of
ice and threaten the
ice shelf's stability.
«Loss of
ice shelves surrounding the Antarctic continent could have a major effect on the rate of
ice flow
off the continent,» Scambos notes.
The British Antarctic Survey vessel R.R.S. Bransfield was anchored
off an 800 - foot - thick frozen slab called the Brunt
ice shelf when two passengers noticed some odd brown ball - like creatures floating by.
Some large chunks of
ice have broken
off Antarctica's
ice shelves in recent years, although most researchers don't foresee runaway melting there.
Even Spitsbergen was warmer than the east coast of Novaya Zemlya — the Gulf Stream does not extend that far — and in Barents» time the prevailing wind, then northeasterly, came straight
off the Arctic
ice shelf.
Only floating sea
ice (bottom right) remains of the collapsed Larsen B
ice shelf off the Antarctic Peninsula.
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.
By the second half of this century, rising air temperatures above the Weddell Sea could set
off a self - amplifying meltwater feedback cycle under the Filchner - Ronne
Ice Shelf, ultimately causing the second - largest ice shelf in the Antarctic to shrink dramatical
Ice Shelf, ultimately causing the second - largest
ice shelf in the Antarctic to shrink dramatical
ice shelf in the Antarctic to shrink dramatically.
Climate records derived from the analysis of sediments show that
ice shelves off the peninsula have been absent in several earlier eras, when natural variability warmed the world.
The
shelves are thick platforms of
ice that ride on top of the water
off some parts of the coastline.
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.
One example offered in their paper is typical: On Oct 3, 2015, an NSF / NCAR research aircraft took
off from southern Chile and flew south to measure the thickness of the Antarctic
ice shelf.
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.
Labile organic carbon dynamics in continental
shelf sediments recently exposed after an
ice shelf collapse: a radiochemical approach to the Larsen system
off the eastern Antarctic Peninsula.
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.
The Larson C
ice shelf in Antarctica is creeping closer to breaking
off, and when it does, it's set to form one of the biggest icebergs on record.
When an iceberg might break
off is anybody's guess — it could happen in months, or it could take years — though any
ice shelf collapse would likely take decades, experts say.
One of the largest icebergs ever recorded broke
off from an
ice shelf in Antarctica, British scientists announced Wednesday.
We used Sentinel - 1 satellite data to watch a giant iceberg four times the size of London break free from Antarctica's Larsen - C
ice shelf in 2017, and now students can use the same data to measure if new icebergs calve
off some of the fastest flowing glaciers in the world!»
It would seem that
ice melters like Safe Paw variety are flying
off the
shelves this particular winter season for apparent reasons.
The Natural Resources Defense Council had a stunning sculpture by Chicago - based art collective Luftwerk, White Wanderer, inspired by the Larsen C
ice shelf in Antarctica, which broke
off into the sea this summer.
Somewhat
off - topic, but Antarctica Glacier Retreat [should read: Antarctic Penninsula
ice shelf collapse] Creates New Carbon Dioxide Store; Has Beneficial Impact On Climate Change http://www.sciencedaily.com/releases/2009/11/091109121117.htm
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.
Maybe it's because of global warming, and the Antarctic sea
ice is increasing because chunks of the
ice shelf are breaking
off and becoming sea
ice.
My cursory reviews of some of the available imagery finds that the intervals between images are such that I can not discern the sort of circulation in the forming autumn
ice pack
off the
shelf that would be consistent with 10 km diameter chimney - pots.
But worse, the rising sea levels will raise the Antarctic
ice shelves and they will break
off or collapse.
When I lowered the cylinder towards the ground, the snow blow
off all around me under the pressure of the air jet, almost to signify the melting of the Arctic
ice shelf because of the Carbon emissions generated somewhere else.
When a massive chunk of the Larsen C
ice shelf in Antarctica breaks
off and reminds us that the Earth's poles are currently undergoing huge changes.
A long - running rift in Larsen C
ice shelf suddenly grew in December, becoming almost as huge as Delaware and now poised to break
off from Antarctica anytime soon.
When
ice shelves already largely in the water break
off from the continental
ice mass, this does not have much direct effect on sea level per se.
The
ice shelves themselves have a certain structure — they rest on the sea floor but as they extend out from the continent eventually the
ice lifts
off the sea floor (called the grounding point) and as the
ice extends out further it is floating on top of the water.
If there is one thing we have learned, if you are to keep the global warming hoax alive, you must personalize the Global Climate scare - stories — e.g., first you give an
ice shelf a name; then, when you hear that if calved -
off Antarctica to just float away and silently die alone and forgotten, it's like hearing that a member of the family has been run over by a drunk driver in a SUV.
The Canadian one created a 1000 - meter - deep
ice shelf pushing out into the Arctic on the continental
shelf off northern Alaska.
An iceberg nearly the size of Delaware may break
off from one of Antarctica's largest
ice shelves, the Larsen C, early this year.
Due to rising temperatures, a Delaware - sized piece of the Antarctic
ice shelf broke
off into the sea in July.