| 单词 | ice shelf |
| 例句 | “Just today, I got an alert on my phone about the collapsing Arctic ice shelf. That’s scary as hell.” Prozac Nation Is Now the United States of Xanax 2017-06-10T04:00:00Z The Arianna neutrino observatory will turn 100 cubic kilometres of the Ross ice shelf in Antarctica into a colossal neutrino detector. The hunt for neutrinos in the Antarctic 2011-01-23T00:05:49Z Below it, a figure ventures out onto an ice shelf that looks fragile indeed. The Greathouse touch: Several exhibits at the Frye reveal the canny curatorial eye of former director Ida Kay Greathouse 2010-07-29T20:34:00Z It shows dozens of Adélie Penguins moseying around on the plateau top of a dwindling fragment of ice shelf. Art, science, eco-concerns meet in ‘Vanishing Ice’ exhibit 2014-01-17T22:53:03Z Dire reports of a massive, cracking ice shelf and potential rising sea levels only increased my sense of urgency. Checking off my seventh continent: A half-price voyage to Antarctica 2017-03-23T04:00:00Z We flew to a base camp on the inner Antarctic ice shelf to acclimatise for a week. Experience: I reached both the north and south poles 2017-03-17T04:00:00Z Notably, several single-latitude injection scenarios actually accelerated Antarctic ice loss due to a southward shift of prevailing winds drawing warm ocean waters toward the ice shelves. Climate engineering could slow Antarctic ice loss 2023-11-15T05:00:00Z Greenland’s mountain glaciers and floating ice shelves are melting faster than they were just a few decades ago and becoming destabilized, according to two separate studies published this week. Two Studies on Greenland Reveal Ominous Signs for Sea Level Rise 2023-11-09T05:00:00Z Subglacial discharge is thought to speed up ice shelf melting and glacial retreat by causing ocean mixing that stirs in additional ocean heat within the cavity beneath a glacier's floating ice shelf. Meltwater flowing beneath Antarctic glaciers may be accelerating their retreat 2023-10-27T04:00:00Z “Unfortunately, it’s not great news. Our simulations suggest that we are now committed to the rapid increase in the rate of ocean warming and ice shelf melting over the rest of the century.” Even with carbon emissions cuts, a key part of Antarctica is doomed to slow collapse, study says 2023-10-23T04:00:00Z These ice shelves buttress ice further inland, acting as a cork in a bottle that stops their flow into the ocean. Meltdown of West Antarctic Ice Sheet unavoidable, study says 2023-10-23T04:00:00Z Increased melting of West Antarctica's ice shelves is "unavoidable" in the coming decades, a new study has warned. Sea-level rise: West Antarctic ice shelf melt 'unavoidable' 2023-10-23T04:00:00Z As the planet warms, larger volumes of warm water are bathing the undersides of West Antarctica’s ice shelves, the giant tongues of ice at the ends of glaciers. Rapid Antarctic Melting Looks Certain, Even if Emissions Goals Are Met 2023-10-23T04:00:00Z This enhanced ice shelf melting then causes the upstream glacier to accelerate, which can drive sea level rise. Meltwater flowing beneath Antarctic glaciers may be accelerating their retreat 2023-10-27T04:00:00Z It includes the massive Thwaites ice shelf that is melting so fast it got the nickname “the Doomsday Glacier.” Even with carbon emissions cuts, a key part of Antarctica is doomed to slow collapse, study says 2023-10-23T04:00:00Z However, he noted the findings align with other research that suggests the imminent collapse of ice shelves in the Amundsen Sea. Meltdown of West Antarctic Ice Sheet unavoidable, study says 2023-10-23T04:00:00Z But as ice shelves melt, it can mean that the ice behind speeds up, releasing more into the oceans. Sea-level rise: West Antarctic ice shelf melt 'unavoidable' 2023-10-23T04:00:00Z "Surface melt leads to runoff and ice shelf hydrofracture that increase freshwater flow to oceans -- causing sea level rise." Ice sheet surface melt is accelerating in Greenland and slowing in Antarctica 2023-10-16T04:00:00Z Puzzlingly, Denman's neighbor Scott Glacier's ice shelf was melting much more slowly despite virtually identical ocean conditions. Meltwater flowing beneath Antarctic glaciers may be accelerating their retreat 2023-10-27T04:00:00Z Researchers used computer simulations to calculate future melting of protective ice shelves jutting over Antarctica’s Amundsen Sea in western Antarctica. Even with carbon emissions cuts, a key part of Antarctica is doomed to slow collapse, study says 2023-10-23T04:00:00Z And research published earlier this month found around 40% of Antarctica's ice shelves have shrunk significantly over the past 25 years. Meltdown of West Antarctic Ice Sheet unavoidable, study says 2023-10-23T04:00:00Z This latest study, published in the journal Nature Climate Change, is the first to directly simulate how ocean warming will affect Antarctic ice shelves in response to different levels of greenhouse gas emissions. Sea-level rise: West Antarctic ice shelf melt 'unavoidable' 2023-10-23T04:00:00Z The bad news is that this reduction is largely due to 32 percent less downslope wind-generated melt on the Antarctic Peninsula where two vulnerable ice shelves have already collapsed. Ice sheet surface melt is accelerating in Greenland and slowing in Antarctica 2023-10-16T04:00:00Z As the glacier retreats down slope, its ice shelf begins losing thicker and thicker slabs of ice from its leading edge. Meltwater flowing beneath Antarctic glaciers may be accelerating their retreat 2023-10-27T04:00:00Z Naughten looked at melting gatekeeper ice shelves, which float over the ocean in this area of Antarctica that is already below sea level. Even with carbon emissions cuts, a key part of Antarctica is doomed to slow collapse, study says 2023-10-23T04:00:00Z They found that almost all the ice shelves on the western side of Antarctica experienced ice loss. Over 40 percent of Antarctica's ice shelves reduced in volume over 25 years 2023-10-12T04:00:00Z But the melting of ice shelves by warm ocean waters reduces this effect. Sea-level rise: West Antarctic ice shelf melt 'unavoidable' 2023-10-23T04:00:00Z The biggest loss of all is in the Thwaites ice shelf, holding back the glacier nicknamed Doomsday because it is melting so fast and is so big. Scientists count huge melts in many protective Antarctic ice shelves. Trillions of tons of ice lost. 2023-10-12T04:00:00Z Antarctica’s largest ice shelf, the Ross Ice Shelf, is about the size of France. Massive Iceberg Breaks From Antarctica 2023-02-02T05:00:00Z Once these ice shelves melt, there’s nothing to stop the glaciers behind them from flowing into the sea. Even with carbon emissions cuts, a key part of Antarctica is doomed to slow collapse, study says 2023-10-23T04:00:00Z In contrast, most of the ice shelves on the eastern side stayed the same or increased in volume. Over 40 percent of Antarctica's ice shelves reduced in volume over 25 years 2023-10-12T04:00:00Z But this latest study adds weight to the idea that sea-levels may rise faster than previously assumed as a result of increased ice shelf melt, to which societies worldwide will have to adapt. Sea-level rise: West Antarctic ice shelf melt 'unavoidable' 2023-10-23T04:00:00Z The ice shelves that grew were predominantly on the continent’s east side, where there’s a weather pattern isolates the land from warmer waters, Davison said. Scientists count huge melts in many protective Antarctic ice shelves. Trillions of tons of ice lost. 2023-10-12T04:00:00Z From time to time, the edges of the ice shelves break off. Massive Iceberg Breaks From Antarctica 2023-02-02T05:00:00Z When talking about the disintegration of large sections of the Larsen A, Larsen B and Wilkins ice shelves, can you help readers viscerally understand what that was like when these ice shelves collapsed? Will glaciers go "extinct" in our lifetime? Here's what a future without polar ice would look like 2023-08-10T04:00:00Z If it was due to natural variation in climate patterns, there would have been some signs of ice regrowth on the western ice shelves. Over 40 percent of Antarctica's ice shelves reduced in volume over 25 years 2023-10-12T04:00:00Z This will lead to much more rapid melting of ice shelves. Sea-level rise: West Antarctic ice shelf melt 'unavoidable' 2023-10-23T04:00:00Z The ice shelves on the east were growing slower than the shelves losing ice to the west. Scientists count huge melts in many protective Antarctic ice shelves. Trillions of tons of ice lost. 2023-10-12T04:00:00Z Though calving events are a normal part of the ice shelf in Antarctica, one expert describe huge calving events like this one as “spectacular”. Massive Iceberg Breaks From Antarctica 2023-02-02T05:00:00Z A great big crack through the ice shelf happened, and their camp happened to be right in the middle of that. Will glaciers go "extinct" in our lifetime? Here's what a future without polar ice would look like 2023-08-10T04:00:00Z The rest was due to melting at the base of the ice shelf. Over 40 percent of Antarctica's ice shelves reduced in volume over 25 years 2023-10-12T04:00:00Z The authors caution that further work is needed to increase confidence in its conclusions, but the findings are significant because of how ice shelf melting affects the rest of West Antarctica. Sea-level rise: West Antarctic ice shelf melt 'unavoidable' 2023-10-23T04:00:00Z It’s difficult to connect an individual ice shelf loss directly to human-caused climate change, but steady attrition is expected as the world warms, he said. Scientists count huge melts in many protective Antarctic ice shelves. Trillions of tons of ice lost. 2023-10-12T04:00:00Z Unlike an ice shelf, sea ice isn’t attached to Antarctica’s land. Massive Iceberg Breaks From Antarctica 2023-02-02T05:00:00Z Those ice shelves, the ones that broke up, would've had lots of melted water on the surface. Will glaciers go "extinct" in our lifetime? Here's what a future without polar ice would look like 2023-08-10T04:00:00Z The rest due to melting from the underside of the ice shelf. Over 40 percent of Antarctica's ice shelves reduced in volume over 25 years 2023-10-12T04:00:00Z The processes triggered by faster ice shelf melting "could lead to the collapse of the West Antarctic Ice Sheet", the authors suggest. Sea-level rise: West Antarctic ice shelf melt 'unavoidable' 2023-10-23T04:00:00Z Siegert and Hogg’s team looked at several factors including heat waves, loss of sea ice, collapse of ice shelves and impacts on biodiversity. Even frozen Antarctica is being walloped by climate extremes, scientists find 2023-08-07T04:00:00Z When the glaciers reach the sea, they slowly push out beyond the edge of the land, forming huge “ice shelves”. Massive Iceberg Breaks From Antarctica 2023-02-02T05:00:00Z There'd be ponds everywhere, and those ponds melt on the shelves — and down into the ice shelf, into the floating slab of ice through a hole. Will glaciers go "extinct" in our lifetime? Here's what a future without polar ice would look like 2023-08-10T04:00:00Z The researchers analysed over 100,000 satellite radar images to produce this major assessment of the "state of the health" of the ice shelves. Over 40 percent of Antarctica's ice shelves reduced in volume over 25 years 2023-10-12T04:00:00Z FOX REPLIES: Because an ice shelf is already floating, its melting does not directly contribute to sea-level rise. Readers Respond to the February 2023 Issue 2023-05-28T04:00:00Z And ice shelves, which can be the size of several large buildings, are also under threat as they melt and eventually collapse. Even frozen Antarctica is being walloped by climate extremes, scientists find 2023-08-07T04:00:00Z On January 22, Chasm-1 spread all the way across the ice shelf, breaking free the massive chunk of ice known as A81. Massive Iceberg Breaks From Antarctica 2023-02-02T05:00:00Z And if they hit the bottom, then that punctures the structural integrity of the ice shelf. Will glaciers go "extinct" in our lifetime? Here's what a future without polar ice would look like 2023-08-10T04:00:00Z Water released into the ocean from the ice shelves and from the glaciers is freshwater. Over 40 percent of Antarctica's ice shelves reduced in volume over 25 years 2023-10-12T04:00:00Z Once the ice shelf is gone, however, the glaciers behind it accelerate their flow into the ocean—and this does increase sea level. Readers Respond to the February 2023 Issue 2023-05-28T04:00:00Z Sea ice and ice shelves work like a cork in a bottle, holding back glaciers that would otherwise rush into the ocean. Even frozen Antarctica is being walloped by climate extremes, scientists find 2023-08-07T04:00:00Z The larger gyre brought warm water closer to the glaciers of West Antarctica, which spill out into the ocean as ice shelves and are vulnerable to melting from below. Dwindling sea ice may speed melting of Antarctic glaciers 2023-04-11T04:00:00Z And these ponds would've put a hole in many of them — dozens of holes, hundreds of holes — all around this ice shelf. Will glaciers go "extinct" in our lifetime? Here's what a future without polar ice would look like 2023-08-10T04:00:00Z Over the 25-year study period, the researchers estimated that 66.9 trillion tonnes of freshwater went into the Southern Ocean around Antarctica from the ice shelves alone. Over 40 percent of Antarctica's ice shelves reduced in volume over 25 years 2023-10-12T04:00:00Z After the collapse of the Larsen A and B and Prince Gustav ice shelves on the Antarctic Peninsula, the flow of the glaciers they had buttressed accelerated by twofold to ninefold. Readers Respond to the February 2023 Issue 2023-05-28T04:00:00Z In the new study, Batchelor and her colleagues analyzed former beds of two major ice streams across the Norwegian continental ice shelf dating back to 15,000 to 19,000 years ago. ‘Scary’ new data on the last ice age raises concerns about future sea levels 2023-04-05T04:00:00Z This “could play a significant role on the ice shelf melting in West Antarctica,” he says. Dwindling sea ice may speed melting of Antarctic glaciers 2023-04-11T04:00:00Z And what happens is a catastrophic domino effect, possibly with a bit of tidal influence, because this ice shelf is lifted up and falling down all the time. Will glaciers go "extinct" in our lifetime? Here's what a future without polar ice would look like 2023-08-10T04:00:00Z The ice shelves act as giant "plugs" at the end of glaciers, slowing down the flow of ice draining into the oceans. Over 40 percent of Antarctica's ice shelves reduced in volume over 25 years 2023-10-12T04:00:00Z But even the mere thinning and shrinking of the ice shelf to date have allowed the glacier's flow to accelerate. Readers Respond to the February 2023 Issue 2023-05-28T04:00:00Z The study also highlighted how warming oceans could trigger greater melting of the western Antarctica ice shelf, but it did not examine how this could create a feedback effect, and even more melting. Antarctic ocean currents heading for collapse- report 2023-03-29T04:00:00Z The study showed that warm water intrusions in the western Antarctican ice shelf would increase, but it did not look at how this might create a feedback effect and generate even more melting. Rising Antarctic ice melt will dramatically slow global ocean flows, study finds 2023-03-29T04:00:00Z "These low sea ice conditions may have important implications for the stability of Antarctic ice shelves and ultimately for global sea level rise," said C3S Deputy Director Samantha Burgess. Europe experienced second-warmest winter on record 2023-03-08T05:00:00Z When the ice shelves thin or reduce in size, these plugs weaken with the result that the rate of ice lost from the glaciers increases. Over 40 percent of Antarctica's ice shelves reduced in volume over 25 years 2023-10-12T04:00:00Z But the big concern is that once Thwaites loses its ice shelf and its grounding line retreats past a certain point, the glacier will be inherently unstable. Readers Respond to the February 2023 Issue 2023-05-28T04:00:00Z “Lower sea ice extent means that ocean waves will pound the coast of the giant ice sheet, further reducing ice shelves around Antarctica,” he said. Antarctic Sea Ice Hits a Record Low, but Role of Warming Is Unclear 2023-03-08T05:00:00Z Deploying an underwater robot beneath the rapidly melting ice shelf in West Antarctica, scientists have uncovered new clues about how it is melting. Nations Agree on Language for Historic Treaty to Protect Ocean Life 2023-03-04T05:00:00Z Deploying an underwater robot beneath the rapidly melting ice shelf in Antarctica, scientists have uncovered new clues about how it is melting. Biden E.P.A. Reinstates Mercury Limits Weakened Under Trump 2023-02-17T05:00:00Z Beyond the grounding line, the ice detaches from the ground and juts out in front of the glacier in the form of a floating ice shelf. Antarctica's 'Doomsday Glacier' May Be More Prone to Melting Than Expected 2023-02-16T05:00:00Z Antarctica: Take a look beneath a rapidly melting ice shelf. ‘This Is a Secret’ 2023-02-16T05:00:00Z As the ice then flows toward the sea, these channels enlarge and become spots where the floating ice shelf can break apart and produce huge icebergs. Warming seas are carving into glacier that could trigger sea level rise 2023-02-15T05:00:00Z Scientists found that overall melting beneath the Thwaites ice shelf in Antarctica was less than expected — but that rapid melting was occurring in unexpected places. Your Thursday Briefing 2023-02-16T05:00:00Z That fracturing “potentially accelerates the overall demise of that ice shelf,” said Paul Cutler, the Thwaites program director for the National Science Foundation who returned from the ice last week. Skinny robot documents forces eroding Doomsday Glacier 2023-02-15T05:00:00Z Ocean water is able to seep beneath ice shelves and lap up against the edge of the glacier at the grounding line, melting the ice from the bottom up. Antarctica's 'Doomsday Glacier' May Be More Prone to Melting Than Expected 2023-02-16T05:00:00Z Deploying an underwater robot beneath a rapidly melting ice shelf in Antarctica, scientists have uncovered new clues about how it is melting. Scientists Get a Close-Up Look Beneath a Troubling Ice Shelf in Antarctica 2023-02-15T05:00:00Z Here, in a region known as the eastern ice shelf, they deployed an ocean sensor at the base of the floating ice shelf and sent down an 11-foot-long pen-shaped robot called Icefin. Warming seas are carving into glacier that could trigger sea level rise 2023-02-15T05:00:00Z It is only at its edge, beyond the Antarctic glaciers and their great floating ice shelves, that thinner sea ice forms. Floating ice around Antarctica just hit a record low 2023-02-14T05:00:00Z "Some can even be found beneath Antarctica's ice shelves." Bizarre deep sea microbes hint at a rich, under-explored suite of ocean life 2023-02-10T05:00:00Z In the worst-case scenarios, enough melting can cause the ice shelves themselves to thin and eventually disintegrate. Antarctica's 'Doomsday Glacier' May Be More Prone to Melting Than Expected 2023-02-16T05:00:00Z The findings will help assess the threat it and other ice shelves pose for long-term sea-level rise. Scientists Get a Close-Up Look Beneath a Troubling Ice Shelf in Antarctica 2023-02-15T05:00:00Z In the main trunk of Thwaites — where the seafloor is deeper and the glacier’s movement much faster, and which is difficult to safely reach — the floating ice shelf has largely collapsed. Warming seas are carving into glacier that could trigger sea level rise 2023-02-15T05:00:00Z Antarctic ice shelves are the seaward extension of the world’s largest army of glaciers, and provide a stabilizing function. Floating ice around Antarctica just hit a record low 2023-02-14T05:00:00Z The roaring collapse of ice shelves was also recorded, a process that is being accelerated in parts of the polar regions by rising temperatures linked to climate change. The Antarctic and Arctic sounds rarely heard before 2023-02-05T05:00:00Z While melt rates are generally slower beneath the ice shelf than expected, there are some areas where the melt rates suddenly spike. Antarctica's 'Doomsday Glacier' May Be More Prone to Melting Than Expected 2023-02-16T05:00:00Z The findings do not alter the fact that the Thwaites is among the fastest receding and least stable ice shelves in Antarctica, and of the most concern when it comes to sea level rise. Scientists Get a Close-Up Look Beneath a Troubling Ice Shelf in Antarctica 2023-02-15T05:00:00Z “The ice was driven against this rocky seamount by ice flow, forcing it to split and eventually break off the floating ice shelf.” Giant iceberg breaks off from Antarctica. Aerial view is ‘spectacular’ 2023-01-24T05:00:00Z The British base consists of a series of modules on skis that enable it to be moved away from the leading edge of the ice shelf. Clouds part to reveal colossal Antarctic iceberg 2023-01-24T05:00:00Z A similar process is at work with the Greenland ice shelf. The ocean's temperature was hotter than ever in 2022, scientists say 2023-01-18T05:00:00Z Warming global temperatures are fracturing ice shelves and melting glaciers in Antarctica and elsewhere. A Year of Wonder, Awe and Discovery 2022-12-01T05:00:00Z The ice shelf is the floating tongue of the Thwaites glacier, a Florida-sized river of ice that helps to hold one of Antarctica’s two massive ice sheets in check. Scientists Get a Close-Up Look Beneath a Troubling Ice Shelf in Antarctica 2023-02-15T05:00:00Z In the past few years scientists have found new ways the ice shelf is melting, cracking and wobbling. Fun Details about the Human Side of Science 2022-10-18T04:00:00Z National Science Foundation launched a $50-million effort called the International Thwaites Glacier Collaboration to study the glacier and its ice shelf up close. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z This raises fresh concerns about the stability of ice shelves, which are crucial to ensuring glaciers do not collapse into the ocean. Opinion | Foreboding new studies show the climate battle is not over 2022-08-14T04:00:00Z Thwaites Glacier, Antarctica’s most worrying and perhaps most vulnerable spot, has lost about 2 trillion tons of ice from its ice shelf, which has dramatically retracted inland, new research found. Climate change’s impact intensifies as U.S. prepares to take action 2022-08-11T04:00:00Z Taken together, thinning and calving have reduced the mass of Antarctica's ice shelves by 12 trillion tons since 1997, double the previous estimate, the analysis concluded. Satellite imagery shows Antarctic ice shelf crumbling faster than thought 2022-08-11T04:00:00Z Mass extinction, deforestation, eroding soils and melting ice shelves — climate change, he said, would soon bring with it an Old Testament plague of droughts and floods. The Rise and Fall of America’s Environmentalist Underground 2022-05-26T04:00:00Z The ice shelf “is potentially going to go a lot faster than we expected,” Pettit says. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z Another study in Nature, conducted by researchers at NASA’s Jet Propulsion Laboratory and the University of Tasmania, estimated that Antarctica’s ice shelves had lost 12 trillion tons of mass since 1997, twice the previous estimate. Opinion | Foreboding new studies show the climate battle is not over 2022-08-14T04:00:00Z The overall area lost from Antarctic ice shelves since 1997 — about 14,000 square miles — is a little bit larger than Maryland and represents about 2 percent of the total ice shelf area. Climate change’s impact intensifies as U.S. prepares to take action 2022-08-11T04:00:00Z "And when ice shelves dwindle and weaken, the continent's massive glaciers tend to speed up and increase the rate of global sea level rise." Satellite imagery shows Antarctic ice shelf crumbling faster than thought 2022-08-11T04:00:00Z The team first spotted the phenomenon in 2018 using Google Earth; an overhead view showed sea ice floating in a river carving into the ice shelf. Backward-Flowing Rivers Can Destabilize Ice Shelves 2022-04-20T04:00:00Z The “slow arm,” on the glacier’s eastern side, is a smaller ice shelf that for years seemed more stable. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z Researchers have established that the collapses of two ice shelves on the Antarctic Peninsula over the last quarter-century were most likely triggered by vast plumes of warm air from the Pacific. Even the Cactus May Not Be Safe From Climate Change 2022-04-14T04:00:00Z As a reminder of these ice shelves’ vulnerability, the Conger Ice Shelf in East Antarctica — traditionally thought to be the coldest and most stable part of the ice sheet — suddenly collapsed this year. Climate change’s impact intensifies as U.S. prepares to take action 2022-08-11T04:00:00Z When ice shelves are stable, the long-term natural cycle of calving and re-growth keeps their size fairly constant. Satellite imagery shows Antarctic ice shelf crumbling faster than thought 2022-08-11T04:00:00Z Most of the world’s ice shelves are in Antarctica and experience less meltwater than Greenland’s do, but climate change could lessen the gap. Backward-Flowing Rivers Can Destabilize Ice Shelves 2022-04-20T04:00:00Z This ridge acts like a doorstop, creating back pressure that holds the ice shelf together. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z If a river is intense enough, it can lead to several days of surface melting of the ice shelf. Scientists solve an Antarctic puzzle 2022-04-14T04:00:00Z “It means that Antarctica’s ice shelves are vulnerable, and they can still surprise us,” NASA’s Greene, who works at the agency’s Jet Propulsion Laboratory, said of the event. Climate change’s impact intensifies as U.S. prepares to take action 2022-08-11T04:00:00Z The losses measured from calving outpaced natural ice shelf replenishment so greatly that researchers found it unlikely Antarctica can return to pre-2000 glacier levels by the end of this century. Satellite imagery shows Antarctic ice shelf crumbling faster than thought 2022-08-11T04:00:00Z Relatively warm water flows in “upside-down rivers” underneath some ice shelves, melting the bottom and letting surface ice settle to form depressions on top. Backward-Flowing Rivers Can Destabilize Ice Shelves 2022-04-20T04:00:00Z Pettit worried that visiting an apparently undamaged part of the ice shelf might limit their opportunity to learn something new. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z Eventually such repeated hydrofracturing, as the process is called, can cause the ice shelf to disintegrate. Scientists solve an Antarctic puzzle 2022-04-14T04:00:00Z “Conger counters a common expectation that ice shelf collapse should only occur after a long period of thinning and weakening,” he continued. Climate change’s impact intensifies as U.S. prepares to take action 2022-08-11T04:00:00Z One East Antarctic calving event that took the world by surprise was the collapse and disintegration of the massive Conger-Glenzer ice shelf in March, possibly a sign of greater weakening to come, Greene said. Satellite imagery shows Antarctic ice shelf crumbling faster than thought 2022-08-11T04:00:00Z For the first time since satellites began observing Antarctica nearly half a century ago, an ice shelf has collapsed on the eastern part of the continent. A Climate Warrior’s Journey From Summit Talks to Street Protests 2022-03-29T04:00:00Z In September 2019, two months before I joined Pettit’s team as they departed for the frozen continent, they received new satellite images showing two new rifts in the ice shelf. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z That allows ocean waves to rock the ice shelf, further stressing it. Scientists solve an Antarctic puzzle 2022-04-14T04:00:00Z “Conger tells us that ice shelves can collapse without any warning signs whatsoever.” Climate change’s impact intensifies as U.S. prepares to take action 2022-08-11T04:00:00Z But even in East Antarctica, a region whose ice shelves were long considered less vulnerable, "we're seeing more losses than gains," Greene said. Satellite imagery shows Antarctic ice shelf crumbling faster than thought 2022-08-11T04:00:00Z The 450-square-mile ice shelf was located in an area known as Wilkes Land; the loss occurred in mid-March. A Climate Warrior’s Journey From Summit Talks to Street Protests 2022-03-29T04:00:00Z Those upheavals marked the zone where the ice cracked and flexed as it transitioned from a grounded glacier into a floating ice shelf. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z Some large ice shelves in West Antarctica are thinning as a result of melting from underneath by warm ocean water. Scientists solve an Antarctic puzzle 2022-04-14T04:00:00Z East Antarctica’s Conger ice shelf—a floating platform the size of Rome—broke off the continent on March 15, 2022. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z An ice shelf larger than New York City has broken off eastern Antarctica, the first major shelf to collapse there in more than four decades of satellite observations. Ice shelf bigger than New York City breaks off eastern Antarctica 2022-03-26T04:00:00Z "This poor little ice shelf was just hanging on for dear life in this really warm coastal climate and it had been thinning and getting damaged over the last few decades," said Neff. Thinning Antarctic ice shelf finally crumbles after heatwave 2022-03-25T04:00:00Z The radar provided two-dimensional profiles of the ice shelf’s internal layers, like the slices of a hospital MRI scan. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z “So the air mass that slams into Antarctica is much, much warmer. And it’s these episodes of extreme events that lead to ice shelf collapse.” Scientists solve an Antarctic puzzle 2022-04-14T04:00:00Z The world’s largest ice shelves fringe Antarctica, extending its ice sheet into the frigid Southern Ocean. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z The ice shelves themselves do not directly lift the sea level because they’re already floating on the ocean. Ice shelf bigger than New York City breaks off eastern Antarctica 2022-03-26T04:00:00Z An ice shelf the size of New York City has collapsed in East Antarctica, an area long thought to be stable and not hit much by climate change, concerned scientists said Friday. Ice shelf collapses in previously stable East Antarctica 2022-03-25T04:00:00Z At a series of stops, Wild used high-precision radar to measure the thickness of the ice shelf, accurate to a few millimeters. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z Last month, a small ice shelf collapsed in East Antarctica, which is considered the most stable part of the continent. Scientists solve an Antarctic puzzle 2022-04-14T04:00:00Z Instead, most of the continent loses ice through calving and melting along the underside of the floating ice shelves. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z Temperatures near where the ice shelf broke off began rising above the melting point right around the time it separated from the continent. Ice shelf bigger than New York City breaks off eastern Antarctica 2022-03-26T04:00:00Z The collapse, captured by satellite images, marked the first time in human history that the frigid region had an ice shelf collapse. Ice shelf collapses in previously stable East Antarctica 2022-03-25T04:00:00Z Because satellite estimates suggested the ice shelf was thinning an average of two or three meters per year, he expected to find the ice three to six centimeters thinner than the week before. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z “One hundred years ago, and even 50 years ago, and actually even 20 years ago, we thought that ice shelves in Antarctica changed on really, really long time scales,” she said. How Antarctica Has Changed Since Shackleton’s 1915 Shipwreck 2022-03-21T04:00:00Z The breaking and detachment of parts of ice shelves is a natural process: ice shelves generally go through cycles of slow growth punctuated by isolated calving events. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z Neff said the pulse of warmth, transported over the continent by an usually intense plume of moisture known as an atmospheric river, probably played a relatively small role in the ice shelf’s collapse. Ice shelf bigger than New York City breaks off eastern Antarctica 2022-03-26T04:00:00Z Scientists had been seeing the ice shelf shrink a bit since the 1970s, Neff said. Ice shelf collapses in previously stable East Antarctica 2022-03-25T04:00:00Z Back at camp, other team members prepared to measure the temperature of the ocean currents flowing under the ice shelf. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z A site known as the Larsen B ice shelf—an enormous ledge of ice jutting out from the peninsula—captured international attention when it suddenly crumbled to pieces and disintegrated into the sea. How Antarctica Has Changed Since Shackleton’s 1915 Shipwreck 2022-03-21T04:00:00Z But in recent decades, scientists have seen several large ice shelves undergoing total disintegration. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z The record low sea ice levels surrounding Antarctica probably played a bigger role in hastening the ice shelf’s demise, Neff said. Ice shelf bigger than New York City breaks off eastern Antarctica 2022-03-26T04:00:00Z So what if land ice and ice shelves are melting from below at a much faster rate than predicted? Endless war is back — as the merchants of death waltz us toward Armageddon 2022-03-16T04:00:00Z By the end of the expedition Pettit’s team had encountered a series of revelations that defied previous views of the ice shelf. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z The disintegration of ice shelves, ground uplift and the trajectory of greenhouse gas emissions over the next several decades, among many other things, will largely determine sea level rise. What new projections of sea level rise mean for Puget Sound and the WA coast 2022-02-26T05:00:00Z The consequences of the Conger ice shelf collapse are unlikely to be of global significance as the catchment area feeding ice into the former shelf is small. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z The complete collapse of the Conger Ice Shelf in recent days is the end of a long-term multi-decadal demise of the ice shelf. Ice shelf bigger than New York City breaks off eastern Antarctica 2022-03-26T04:00:00Z Plans to examine the glacier's crucial ice shelf haven't been stopped but are sidetracked a bit, officials said. Antarctica’s Thwaites 'Doomsday Glacier' scientific study blocked by giant iceberg 2022-02-02T05:00:00Z They had driven it under sea ice more than a meter thick and under the edges of two small ice shelves, where it could be winched out by cable if it got stuck. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z The key to the future of Thwaites is the ice shelf and its tongue. Giant iceberg blocks scientists’ study of ‘Doomsday Glacier’ 2022-02-02T05:00:00Z And due to its shape, the Conger ice shelf was most likely not a significant buttress to the flow of ice upstream. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z He described the ice shelf’s demise as a wake-up call for scientists studying the region. Ice shelf bigger than New York City breaks off eastern Antarctica 2022-03-26T04:00:00Z New York University environmental scientist David Holland, who planned to drill deep through the Thwaites ice shelf to measure the water's warmth below it, is achingly close but not quite there. Antarctica’s Thwaites 'Doomsday Glacier' scientific study blocked by giant iceberg 2022-02-02T05:00:00Z Schmidt wasn’t looking to validate any of Pettit’s observations per se, but the two researchers were working relatively close by, on the same ice shelf, so serendipity could play a role. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z “It’s kind of a lonely place, but in a beautiful way,” he said from Dotson’s ice shelf. Giant iceberg blocks scientists’ study of ‘Doomsday Glacier’ 2022-02-02T05:00:00Z And as more and more ice shelves around Antarctica collapse, ice loss will increase, and with it global sea levels. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z “We expect the ice shelves on the west to be doing this but not the eastern ones,” he said in a phone interview. Ice shelf bigger than New York City breaks off eastern Antarctica 2022-03-26T04:00:00Z The ice shelf "is the most important part of Thwaites and it’s protecting itself and hiding from us," Holland said in a first video interview from the Dotson ice shelf. Antarctica’s Thwaites 'Doomsday Glacier' scientific study blocked by giant iceberg 2022-02-02T05:00:00Z Wild expects that when this happens, the eastern ice shelf will rapidly “disaggregate” into a flotilla of icebergs. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z A large iceberg broke off the deteriorating Thwaites glacier and, along with sea ice, it is blocking two research ships with dozens of scientists from examining how fast its crucial ice shelf is falling apart. Giant iceberg blocks scientists’ study of ‘Doomsday Glacier’ 2022-02-02T05:00:00Z Antarctica loses mass through the discharge of icebergs and waxing and waning ice shelves as part of a natural cycle. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z Perhaps you remember iceberg A68a, which enjoyed a few minutes of fame back in 2017 when it broke off an ice shelf on the Antarctic Peninsula. An extraordinary iceberg is gone, but not forgotten 2022-01-26T05:00:00Z He called Dotson’s ice shelf "this beautiful white desert-like landscape, brilliantly white actually. And it will all be gone and replaced by the Pacific Ocean in due course." Antarctica’s Thwaites 'Doomsday Glacier' scientific study blocked by giant iceberg 2022-02-02T05:00:00Z In every scenario, the eastern ice shelf will meet a fate similar to the western ice tongue: its constituent shards will disconnect and drift away. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z Plans to examine the glacier’s crucial ice shelf haven’t been stopped but are sidetracked a bit, officials said. Giant iceberg blocks scientists’ study of ‘Doomsday Glacier’ 2022-02-02T05:00:00Z But what we are seeing now, with the collapse of the Conger ice shelf and others, is the continuation of a worrying trend whereby Antarctic ice shelves undergo area-wide collapse one after another. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z That will be valuable information to have, considering climate change is expected to accelerate ice shelf collapse, leading to more big icebergs breaking off Antarctica in the future. Giant iceberg releases 152 billion tons of fresh water around remote Atlantic island 2022-01-24T05:00:00Z "It’s kind of a lonely place, but in a beautiful way," he said from Dotson’s ice shelf. Antarctica’s Thwaites 'Doomsday Glacier' scientific study blocked by giant iceberg 2022-02-02T05:00:00Z GPS units from those stations show that in the two and a half years since they were installed, the ice shelf’s seaward movement increased from 620 meters a year to 980 meters a year. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z This was the last of three international scientific expeditions aimed at the vulnerable ice shelf, said British Antarctic Survey geophysicist Rob Larter, chief scientist of the first research mission. Giant iceberg blocks scientists’ study of ‘Doomsday Glacier’ 2022-02-02T05:00:00Z Smaller ice shelves are found where continental ice meets the sea in Greenland, northern Canada and the Russian Arctic. What to Know About Antarctica’s Conger Ice Shelf Collapse 2022-03-29T04:00:00Z The team studying the cracks developing in the ice shelf thought a calving might be imminent. How a colossal block of ice became an obsession 2022-01-14T05:00:00Z That could be the scenario facing the eastern ice shelf. The climate crisis report card for 2021 2021-12-31T05:00:00Z Not only is the ice shelf separating from its pinning point. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z New York University environmental scientist David Holland, who planned to drill deep through the Thwaites ice shelf to measure the water’s warmth below it, is achingly close but not quite there. Giant iceberg blocks scientists’ study of ‘Doomsday Glacier’ 2022-02-02T05:00:00Z Little is known about the environment beneath Antarctica’s floating ice shelves, the seaward extensions of the continent’s glaciers that span 1.6 million square kilometers. Scientists find unexpected trove of life forms beneath Antarctic ice shelf 2021-12-29T05:00:00Z Fortunately, there is an eastern ice shelf on the Thwaites Glacier that holds back a significantly higher quantity of ice. The "Doomsday Glacier" appears poised to collapse. If it does, Earth's sea level will rise by 2 feet 2021-12-16T05:00:00Z Researchers are also growing increasingly concerned about Antarctica, where ice shelves are melting and wilder winds are altering crucial currents. Trends in Arctic Report Card: ‘Consistent, Alarming and Undeniable’ 2021-12-14T05:00:00Z They hope BOB will survive long enough to record the final throes of the ice shelf as it fractures into shards. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z Improvising, Holland decamped at the nearby Dotson ice shelf to do his research where no human had been before. Giant iceberg blocks scientists’ study of ‘Doomsday Glacier’ 2022-02-02T05:00:00Z The new research, published earlier this month in Current Biology, identified more species in a single spot than had previously been documented across all the ice shelves of the frozen continent. Scientists find unexpected trove of life forms beneath Antarctic ice shelf 2021-12-29T05:00:00Z “This is triggering the beginnings of a massive collapse,” Scampos wrote in an email from Antarctica’s McMurdo Station, where he is preparing for a field trip to the Thwaites Glacier’s failing ice shelf. Climate change has destabilized the Earth’s poles, putting the rest of the planet in peril 2021-12-14T05:00:00Z The grounding line is slipping as the ice shelf melts, thins and weakens. Troubling Signs of Key Antarctic Glacier Retreat Emerge 2021-12-14T05:00:00Z Pettit was studying defects within the ice, akin to hidden cracks in an enormous dam, that will determine when the ice shelf might crumble. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z The ice shelf “is the most important part of Thwaites and it’s protecting itself and hiding from us,” Holland said in a first video interview from the Dotson ice shelf. Giant iceberg blocks scientists’ study of ‘Doomsday Glacier’ 2022-02-02T05:00:00Z The researchers suspect they are eating algae carried beneath the ice shelf by currents. Scientists find unexpected trove of life forms beneath Antarctic ice shelf 2021-12-29T05:00:00Z Now climate change has turned the ice shelf into a threat — to Pettit’s field work, and to the world. Climate change has destabilized the Earth’s poles, putting the rest of the planet in peril 2021-12-14T05:00:00Z Like many seaside glaciers, it terminates in an “ice shelf”—a narrow floating ledge of ice that juts out from the front of the glacier into the ocean. Troubling Signs of Key Antarctic Glacier Retreat Emerge 2021-12-14T05:00:00Z In satellite images, the center of the ice shelf looks stable. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z He called Dotson’s ice shelf “this beautiful white desert-like landscape, brilliantly white actually. And it will all be gone and replaced by the Pacific Ocean in due course.” Giant iceberg blocks scientists’ study of ‘Doomsday Glacier’ 2022-02-02T05:00:00Z Even more worrisome is the process that has weakened the ice shelf: incursions of warm ocean water beneath the shelf, which expedition scientists detected with a robotic submersible. Ice shelf holding back keystone Antarctic glacier within years of failure 2021-12-13T05:00:00Z The disintegration of the Thwaites ice shelf won’t immediately increase sea levels — that ice already floats on top of the water, taking up the same amount of space whether it’s solid or liquid. Climate change has destabilized the Earth’s poles, putting the rest of the planet in peril 2021-12-14T05:00:00Z The ice shelf acts a bit like a cork in a bottle, stabilizing the glacier and restraining the flow of ice behind it. Troubling Signs of Key Antarctic Glacier Retreat Emerge 2021-12-14T05:00:00Z The ice shelf acts as a dam, slowing its parent glacier’s flow into the ocean. Antarctica’s Collapse Could Begin Even Sooner Than Anticipated 2022-10-18T04:00:00Z It is striking that many in the current generation of women polar scientists are working on the stability of ice shelves and sheets. Once Shunned in Antarctica, Female Scientists Are Now Doing Crucial Polar Research 2021-12-10T05:00:00Z These undulations stress the ice shelf, and the team saw signs of that stress: fractures had formed at the apex of each valley, Pettit says. Ice shelf holding back keystone Antarctic glacier within years of failure 2021-12-13T05:00:00Z But without the ice shelf acting as a brace, the land-bound parts of the glacier will start to flow more quickly. Climate change has destabilized the Earth’s poles, putting the rest of the planet in peril 2021-12-14T05:00:00Z The ice shelf attaches to the front of the glacier at a place known as the “grounding line,” the point where the bottom of the ice touches the bedrock. Troubling Signs of Key Antarctic Glacier Retreat Emerge 2021-12-14T05:00:00Z "We have used the Antarctic twin to track the whereabouts of melt water on and under the ice sheet, and to explore how fringing ice shelves melt under various hydrology scenarios." Can Digital Replica of Earth Save the World from Climate Disaster? 2021-11-07T04:00:00Z The pieces most likely broke off from an ice shelf in 2000. Opinion | What Does It Mean for a Whole Nation to Become Uninhabitable? 2021-08-13T04:00:00Z The researchers have plugged many of these observations into computer models of the ice shelf, as detailed in one of three papers about Thwaites at the journal Cryosphere. Ice shelf holding back keystone Antarctic glacier within years of failure 2021-12-13T05:00:00Z What does that mean for the floating ice shelves’ stability? In Antarctica, a lake’s disappearance might offer clues about melting ice shelves 2021-07-09T04:00:00Z But if the ice melts too quickly or the ice shelf weakens, the grounding line may begin to slip backward. Troubling Signs of Key Antarctic Glacier Retreat Emerge 2021-12-14T05:00:00Z That changed about five years ago, when the ice shelf began to shed icebergs with greater frequency, some of them several miles long. Giant Ice Shelf Crumbling Faster than Expected 2021-06-14T04:00:00Z But the ice shelf is tearing itself apart. This melting glacier was already the biggest source of sea level rise. Then things got worse. 2021-06-11T04:00:00Z But the team managed to erect several temporary camps, including one in the middle of the ice shelf and another farther upstream, near the grounding line where the glacier detaches from the continent. Ice shelf holding back keystone Antarctic glacier within years of failure 2021-12-13T05:00:00Z By studying the new iceberg, researchers hope to better understand the overall state of Antarctica’s ice shelves, said David Long, who runs the Antarctic Iceberg Tracking Database at Brigham Young University. Iceberg Splits From Antarctica, Becoming World’s Largest 2021-05-20T04:00:00Z Within a few years, she said, the ice shelf is likely to crumble into bits, “just like the shattering of a car’s window.” Troubling Signs of Key Antarctic Glacier Retreat Emerge 2021-12-14T05:00:00Z They will want to see that no unexpected instabilities emerge in the remaining ice shelf platform that holds Halley. Brunt Ice Shelf: Big iceberg calves near UK Antarctic base 2021-02-26T05:00:00Z The loss of the ice shelf would accelerate Pine Island’s decline even further. This melting glacier was already the biggest source of sea level rise. Then things got worse. 2021-06-11T04:00:00Z Nor do the 6.5 trillion tons subtracted from Antarctic ice shelves, as those, too, were already afloat. Earth is now losing 1.2 trillion tons of ice each year. And it’s going to get worse. 2021-01-25T05:00:00Z The Antarctic Peninsula is one of the fastest warming regions on Earth, and the ice shelves along its eastern coast are breaking apart. The world’s largest iceberg is headed for South Georgia—and its wildlife 2020-12-17T05:00:00Z “If you can turn the melting off, the ice shelf can re-ground” explains Moore. 10 million snowblowers? Last-ditch ideas to save the Arctic ice 2020-10-20T04:00:00Z Like all ice shelves, it will periodically calve icebergs. Brunt Ice Shelf: Big iceberg calves near UK Antarctic base 2021-02-26T05:00:00Z It appears that the rapid slide of the glacier is creating fractures in the ice shelf, which leads to more pieces breaking off, or “calving.” This melting glacier was already the biggest source of sea level rise. Then things got worse. 2021-06-11T04:00:00Z We’d both spent a lot of time working and living on the ice shelf, flying around it, studying it, so I texted her back and she described the process and the timing. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z “This damage feedback potentially preconditions these ice shelves for disintegration.” Opinion | Antarctic glaciers are falling apart. Meanwhile, Trump hires a climate denier. 2020-09-21T04:00:00Z "Both glaciers show distinct changes in recent decades driven by changing atmospheric and oceanic conditions that cause enhanced ocean-induced melting of their floating ice shelves," researchers said. Scientists find severe damage to 2 major Antarctic glaciers in satellite images 2020-09-15T04:00:00Z No. The calving of bergs at the forward edge of an ice shelf is a very natural behaviour. Brunt Ice Shelf: Big iceberg calves near UK Antarctic base 2021-02-26T05:00:00Z This allows scientists to watch the ice shelf break up in almost real time. This melting glacier was already the biggest source of sea level rise. Then things got worse. 2021-06-11T04:00:00Z “It is lucky that we were not on the ice shelf when this happened,” one colleague, Derek Mueller, wrote in a blog post following the discovery. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z July witnessed another large ice shelf structure in the Arctic lose significant area. Warmth shatters section of Greenland ice shelf 2020-09-13T04:00:00Z The maps trace the path of a network of deep channels that cut through a ridge, beyond which they join to form a major cavity under the ice shelf. 'Doomsday Glacier' vulnerability seen in new maps 2020-09-08T04:00:00Z Over the course of just a few weeks, the ice shelf splintered, broke into pieces and collapsed entirely into the sea. Antarctica’s Ice Shelves May Be at Growing Risk of Collapse 2020-08-27T04:00:00Z There, warm temperatures caused the catastrophic breakup of ice shelves over the course of just a few years. This melting glacier was already the biggest source of sea level rise. Then things got worse. 2021-06-11T04:00:00Z Copland believe ice shelves are “a canary in the coal mine” in the climate crisis, given that they are especially susceptible to atmospheric changes. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z Under present conditions, these regions of the ice shelf are stable and unlikely to collapse rapidly. Crevasse analysis reveals vulnerability of ice shelves to global warming 2020-08-25T04:00:00Z Thinning ice shelves do not contribute directly to sea-level rise. Satellites record history of Antarctic melting 2020-08-10T04:00:00Z The researchers, led by Ching-Yao Lai of Columbia University, trained a neural network—a kind of machine learning algorithm—to recognize fractures in Antarctic ice shelves on satellite images. Antarctica’s Ice Shelves May Be at Growing Risk of Collapse 2020-08-27T04:00:00Z “There aren’t very many ice shelves around the Arctic anymore,” Copland said. Canada’s last intact ice shelf collapses due to warming 2020-08-07T04:00:00Z Mueller had been studying a channel that ran below the surface of the Milne ice shelf, like a river. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z However, as atmospheric temperatures continue to rise, larger portions of the ice shelves are expected to undergo surface melting than at present. Crevasse analysis reveals vulnerability of ice shelves to global warming 2020-08-25T04:00:00Z So is Greenland’s ice sheet, as well as Antarctica’s ice shelves and glaciers all over the planet. Editorial Roundup: New York 2020-04-22T04:00:00Z The new study doesn’t include any estimates on how soon these ice shelves may be at risk. Antarctica’s Ice Shelves May Be at Growing Risk of Collapse 2020-08-27T04:00:00Z But reaching this part of the Weddell Sea, just east of the Larsen ice shelves on the Antarctic Peninsula, is extremely difficult, even for modern ice-breakers. Will anyone ever find Shackleton's lost ship? 2020-04-21T04:00:00Z In 2017, a team of researchers discovered scallops, sponges, worms, and other organisms living some 20 meters deep, inside the ice shelf. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z Lai et al. focus on atmospheric warming as suspect number one, but it remains unclear how tightly the fate of ice shelves is tied to suspect number two: oceanic warming. Crevasse analysis reveals vulnerability of ice shelves to global warming 2020-08-25T04:00:00Z That changed where we think the ice shelf is vulnerable to warming waters. Measuring ice in a precious place 2020-03-22T04:00:00Z Glaciologists led by the University of California, Irvine, unveiled what they describe as the most accurate portrait yet of the contours of the land beneath Antarctica’s ice shelf. Fragment of lost continent discovered in Canada 2020-03-23T04:00:00Z Because ice shelves already float on the ocean, their collapse does not directly contribute to rising sea levels. Antarctica logs hottest temperature on record with a reading of 18.3C 2020-02-07T05:00:00Z Animals have been found living beneath ice shelves before, but never – to Mueller and his colleagues’ knowledge – inside of one. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z In other words, the chief suspects in the destabilization of ice shelves do not act in isolation — they are co-conspirators. Crevasse analysis reveals vulnerability of ice shelves to global warming 2020-08-25T04:00:00Z Icefin then swam more than 1 kilometer along a downward-sloping basin to the grounding line, a rocky ridge below sea level that supports the glacier’s huge floating ice shelf. Underwater robot reveals hidden base of Antarctica’s ‘doomsday’ glacier 2020-01-28T05:00:00Z The sea presses it against the belly of the ice shelf, and as the rover crawls along, its sensors collect data. This Robot’s Journey to an Icy Alien Moon Starts Beneath Antarctica 2020-01-05T05:00:00Z But because the ice shelf is melting and thinning, the glacier is speeding up. Submarine to explore why Antarctic glacier is melting so quickly 2019-12-28T05:00:00Z Mueller is one of Canada’s leading ice shelf experts, along with Luke Copland, who supervised White’s PhD. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z A new study finds the diminishing thickness of ice shelves is matched almost exactly by an acceleration in the glaciers feeding in behind them. Study underpins key idea in Antarctic ice loss 2019-12-02T05:00:00Z Sea ice—frozen ocean water—forms, grows and melts in the ocean, as compared to icebergs, glaciers and ice shelves that float in the ocean but originate on land. Iceless in Alaska 2019-11-18T05:00:00Z The remotely operated rover was built to crawl along the underside of sea ice and ice shelves. This Robot’s Journey to an Icy Alien Moon Starts Beneath Antarctica 2020-01-05T05:00:00Z The 600-metre deep borehole will allow researchers to lower down a torpedo-shaped robotic submarine that will explore the underside of the ice shelf to better understand why it is melting so fast. Submarine to explore why Antarctic glacier is melting so quickly 2019-12-28T05:00:00Z You need a cold climate for centuries to form an ice shelf, but to lose one, you lose them immediately. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z "So, if you thin an ice shelf, the grounded ice behind can speed up, but what we didn't know was by how much - and that's where our work with Hilmar and his modelling comes in." Study underpins key idea in Antarctic ice loss 2019-12-02T05:00:00Z Researchers are using a variety of techniques to observe the ocean beneath and around ice shelves to better understand the likely impacts of climate change. Physical oceanography 2019-11-12T05:00:00Z But what goes on underneath Antarctica’s ice shelves is hugely important. Ocean explorers delve beneath the ice 2019-11-12T05:00:00Z Last remaining Antarctic ice shelf slides into the ocean, leading to an additional two metres in sea-level rise and total inundation of lower Manhattan. New Releases from the Prince Vault 2019-10-14T04:00:00Z The enormous Milne ice shelf, which was the last intact ice shelf in Canada and which White had studied closely before as a PhD student, was dissolving. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z The biggest changes are seen in the West of the continent, where huge glaciers such as Pine Island and Thwaites have accelerated in response to their denuded ice shelves. Study underpins key idea in Antarctic ice loss 2019-12-02T05:00:00Z “These ice shelves in general across Antarctica are very fragile,” said Ted Scambos, a senior research scientist at the University of Colorado’s Cooperative Institute for Research in Environmental Sciences and a co-author on the paper. Ice Sheets Are Eroded by “Upside-down Rivers” 2019-10-11T04:00:00Z There are around 300 of these ice shelves, covering more than 1.6 million square kilometres. Ocean explorers delve beneath the ice 2019-11-12T05:00:00Z Huge Antarctic iceberg breaks loose An iceberg bigger than Greater London has broken off Antarctica’s third-largest ice shelf. Giant iceberg, Nobel prizes and nuclear-fusion plans 2019-10-08T04:00:00Z They had observed rifts appearing over the Milne ice shelf throughout their careers. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z “We don’t think this event is linked to climate change. It’s part of the ice shelf’s normal cycle, where we see major calving events every 60-70 years.” Analysis | The Energy 202: Trump breaks with tradition by tapping only a Republican for key energy panel 2019-10-02T04:00:00Z If too much of the ice shelf is removed during a calving event, it can’t hold back the rest of the sheet anymore, potentially setting it up for a series of collapses. A Huge Iceberg Split From Antarctica. (They Just Grew Apart.) 2019-10-01T04:00:00Z An ice shelf shrinks in one of two main ways. Ocean explorers delve beneath the ice 2019-11-12T05:00:00Z The iceberg dubbed D28 reportedly broke away from the Amery ice shelf sometime between Sept. 24 and 25, based on observations from European and U.S. satellites. Massive iceberg breaks off Antarctica, but it's not related to climate change 2019-10-01T04:00:00Z We also use this imagery to monitor glaciers and ice shelves for calving events that can produce large ice islands. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z An iceberg approximately the size of Greater Cleveland has broken away from the Amery ice shelf in Antarctica. US briefing: impeachment inquiry, Hong Kong protests and Irish border 2019-10-01T04:00:00Z The tabular iceberg, officially named D-28, separated from the ice shelf on 26 September. Giant iceberg breaks off east Antarctica 2019-09-30T04:00:00Z An analysis3 based on satellite data collected between 1994 and 2012 showed that in East Antarctica, ice shelves thickened in the first half of that period but then stopped accumulating mass. Ocean explorers delve beneath the ice 2019-11-12T05:00:00Z "While there is much to be concerned about in Antarctica, there is no cause for alarm yet for this particular ice shelf," Prof Fricker added. 315 billion-tonne iceberg breaks off Antarctica 2019-09-30T04:00:00Z And we had seen the southern edge, the part of the ice shelf at the back of the fjord, starting to melt away more and more each year. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z On one trip to the South Pole, he and Cooper were caught for three weeks in a blizzard on the continental ice shelf. A Photographer at the Ends of the Earth 2019-09-30T04:00:00Z They will be asked to go into places the ship itself cannot reach, such as under the colossal floating ice shelves that surround Antarctica. Royal naming for Sir David Attenborough polar ship 2019-09-25T04:00:00Z In West Antarctica, thinning of the ice shelves occurred throughout the study period and accelerated over time. Ocean explorers delve beneath the ice 2019-11-12T05:00:00Z It's possible the loss of such a big berg will change the stress geometry across the front of the ice shelf. 315 billion-tonne iceberg breaks off Antarctica 2019-09-30T04:00:00Z Still, it was a shock to see the thickest, strongest part of the ice shelf break apart in this one big piece. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z In November, Wongpan is set to join the Japanese Antarctic expedition to study the eastern warm-cavity ice shelf that is likely to melt and contribute to a rise in sea level. Polar research should include Indigenous perspectives 2019-09-17T04:00:00Z "Penguins on the ice shelf or penguins on the edge of the Antarctic peninsula, they are canaries in the coal mine," Naveen added. Climate Change? "Meh," Say Gentoo Penguins 2019-07-25T04:00:00Z The ice shelves experiencing the most rapid thinning are clustered along the shores of the Amundsen and Bellingshausen seas. Ocean explorers delve beneath the ice 2019-11-12T05:00:00Z Keeping below this figure should allow the peninsula to hang on to its remaining ice shelves, they argue. Antarctic Peninsula 'can avoid irreversible change' 2019-07-02T04:00:00Z But to form an ice shelf, it takes hundreds to thousands of years, because you need a gradual buildup of snow and ice. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z When it does, the imperative for BAS will be to determine that the remaining ice shelf structure shows no anomalous behaviour. 'Jet in a box' powers Antarctic base 2019-06-25T04:00:00Z “This increases the rate at which the ice shelves are melting.” Beloved submarine Boaty McBoatface makes a big scientific find 2019-06-19T04:00:00Z Studies suggest that some of the ice shelves in the Amundsen and Bellingshausen seas are nearing a tipping point or might already be doomed to disappear. Ocean explorers delve beneath the ice 2019-11-12T05:00:00Z "Under 1.5, we don't expect ice shelves to be lost - but under more warming they look far more vulnerable with consequences for sea-level and other impacts," explained Prof Martin Siegert from Imperial College London, UK. Antarctic Peninsula 'can avoid irreversible change' 2019-07-02T04:00:00Z But the breakup of these ice shelves is really quite inevitable at this point; along the coast of northern Ellesmere Island, we’re seeing open water and warmer temperatures almost consistently every summer. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z He would have kept falling, almost certainly to his death, were it not for a small ice shelf spanning the fissure, upon which he miraculously, if painfully, landed. Indiana Jones of climate science: the professor who escaped a 70ft crevasse 2019-05-16T04:00:00Z Another beneficiary will be the study of ice shelves, the floating protrusions of big glaciers that terminate in the ocean. Antarctic revealed in sharper 3D view 2019-05-15T04:00:00Z One way of knowing what is natural is to model the Antarctic ice shelves over long periods of time. Ocean explorers delve beneath the ice 2019-11-12T05:00:00Z Measurements of sea surface temperatures around Antarctica suggest that few parts of the Southern Ocean warm up to the temperatures observed near the Ross ice shelf. Unexpected Source Fuels Rapid Melt at World's Biggest Ice Shelf 2019-04-30T04:00:00Z Copland: I got a text from Adrienne – I remember it clearly – and it just said: “The Milne ice shelf is gone.” Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z Part of the world's largest ice shelf is melting 10 times faster than the rest, shedding light on how it might respond to climate change. Signs of faster melt in largest ice shelf 2019-04-30T04:00:00Z The peninsula is the region furthest away from the pole; it's much warmer there and it's where we've seen the acceleration of glaciers and the collapse of ice shelves. Antarctic revealed in sharper 3D view 2019-05-15T04:00:00Z Greenland’s glaciers terminate in narrow fjords that leave no room for ice shelves to form. Ocean explorers delve beneath the ice 2019-11-12T05:00:00Z It’s a process the authors of the new study say represents a “frequently overlooked, but potentially important, factor” in the future stability of Antarctic ice shelves. Unexpected Source Fuels Rapid Melt at World's Biggest Ice Shelf 2019-04-30T04:00:00Z Derek Mueller: All of the other ice shelves had broken up in past years, so it wasn’t a question of if for this particular ice shelf. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z "The difference here is the sheer size of Ross Ice Shelf, which is over one hundred times larger than the ice shelves we've already seen disappear." Signs of faster melt in largest ice shelf 2019-04-30T04:00:00Z Since then, experts have been keeping a close eye on the ice shelf, monitoring any processes that could affect its future stability. "Hair Dryer" Winds Could Strain Vulnerable Antarctic Ice Shelf 2019-04-12T04:00:00Z Rode says the group was recovering gold mining equipment from an ice shelf that was beginning to detach from a beach. Alaska man jumped between ice floes before helicopter rescue 2019-03-14T04:00:00Z As far as the Ross ice shelf is concerned, research generally suggests that it’s stable for the time being, despite the high melt rates in some regions. Unexpected Source Fuels Rapid Melt at World's Biggest Ice Shelf 2019-04-30T04:00:00Z Our key study site on the ice shelf was lost, but we can find another study area potentially. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z The melting is affected by a large area of open ocean in front of the ice shelf that is empty of sea-ice due to strong offshore winds. Signs of faster melt in largest ice shelf 2019-04-30T04:00:00Z That could put a major strain on places like the vulnerable Larsen C ice shelf, located on the northeast Antarctic Peninsula. "Hair Dryer" Winds Could Strain Vulnerable Antarctic Ice Shelf 2019-04-12T04:00:00Z The ice broke off the main ice shelf along a beach and drifted slowly into the Bering Sea. Helicopter lifts 3 men off ice floe drifting off Nome 2019-03-12T04:00:00Z That same year, satellite monitoring showed that a large chasm in the ice shelf — officially named Chasm 1 — was growing for the first time in more than three decades. An iceberg twice the size of New York City is about to break off of Antarctica 2019-02-25T05:00:00Z Is it too late to save Canada’s remaining ice shelves from further breakup? Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z This area, known as the Ross Sea Polynya, absorbs solar heat quickly in summer and this solar heat source is clearly influencing melting in the ice shelf cavity. Signs of faster melt in largest ice shelf 2019-04-30T04:00:00Z Research increasingly suggests that foehn winds have a major effect on the ice shelf's melt rates in ways that could make it more prone to fracturing and potentially collapsing. "Hair Dryer" Winds Could Strain Vulnerable Antarctic Ice Shelf 2019-04-12T04:00:00Z Meanwhile, Antarctic meltwater will trap warm water under the surface, accelerating the break-up of the West Antarctic ice shelf and contributing to a rise in ocean levels that could hit 20 inches by 2100. What does it take to destroy a world order? 2019-03-03T05:00:00Z An iceberg roughly twice the size of New York City is set to break away from an Antarctic ice shelf as a result of a rapidly spreading rift that is being monitored by Nasa. Iceberg twice the size of New York City is set to break off of Antarctica 2019-02-26T05:00:00Z Copland: For ice shelves, we can lose them very quickly; when they break up, that piece of the ice shelf is gone, it floats away. Canada's last intact ice shelf broke off. It took our research station with it 2020-10-14T04:00:00Z That same year, satellite monitoring showed that a large chasm in the ice shelf – officially named Chasm 1 – was growing for the first time in more than three decades. Iceberg twice the size of New York City is about to break off of Antarctica 2019-02-25T05:00:00Z In 2002, the nearby Larsen B ice shelf abruptly collapsed, likely weakened by a series of unusually warm summers that caused large amounts of meltwater to accumulate on its surface. "Hair Dryer" Winds Could Strain Vulnerable Antarctic Ice Shelf 2019-04-12T04:00:00Z But ice shelves are prone to cracking and breaking, which was spectacularly demonstrated in 2002 when Antarctica’s Larsen B Ice Shelf—larger than the state of Rhode Island—suddenly collapsed. Antarctica's Ice Shelves Get a Bounce from Ephemeral Lakes 2019-02-18T05:00:00Z MacDonell’s team wants to be able to predict where and when ice shelves might rupture in future. Antarctic ice shelves: Searching for clues on climate change 2019-02-15T05:00:00Z The Empire, Michigan-based nonprofit organization Wings of Wonder rescued the eagle Feb. 1 from an ice shelf near Suttons Bay and video of the bird being saved was posted on YouTube. Hundreds gather in Michigan to watch rescued eagle release 2019-02-11T05:00:00Z Its current location is outside the predicted iceberg mass, but a spokesperson at the British Antarctic Survey said researchers are monitoring changes to the structural integrity of the ice shelf. Iceberg twice the size of New York City is about to break off of Antarctica 2019-02-25T05:00:00Z But the wind events could make the ice shelf susceptible to more breakage in the future — especially if they start to happen more frequently. "Hair Dryer" Winds Could Strain Vulnerable Antarctic Ice Shelf 2019-04-12T04:00:00Z It is possible the lakes on this ice shelf overflow their basins before they become large enough to result in sufficient stresses, the researchers suggest. Antarctica's Ice Shelves Get a Bounce from Ephemeral Lakes 2019-02-18T05:00:00Z One of these spots is currently melting at the fastest rate of any ice shelf on record in Antarctica, the study suggests. Huge Hole Discovered Beneath Fast-Melting Antarctic Glacier 2019-01-31T05:00:00Z Last year, satellite images from the European Space Agency revealed that the massive iceberg, named A68, had begun to move away from the ice shelf and pivot out into the Weddell Sea. Antarctic expedition 'upbeat' about hope of finding Shackleton's ship 2019-01-27T05:00:00Z Video: A warming event caused an Antarctic ice shelf to melt in January 2016. Iceberg twice the size of New York City is about to break off of Antarctica 2019-02-25T05:00:00Z Munneke led a 2018 study, also published in Geophysical Research Letters, that pointed to a significant increase in winter melting on the Larsen C ice shelf when foehn winds sweep through. "Hair Dryer" Winds Could Strain Vulnerable Antarctic Ice Shelf 2019-04-12T04:00:00Z The ice shelf is the fourth largest such structure in the Antarctic. Expedition targets Shackleton's lost ship 2019-01-25T05:00:00Z Assessing my situation, I find there’s no ice shelf nearby to ease the tension from the rope, so Sean will not be able to begin setting up a pulley system to extract me. When the ice melts: the catastrophe of vanishing glaciers 2019-01-08T05:00:00Z Instead, the ice shelves act as buttresses and when they disintegrate the glaciers on the land flow more quickly into the sea. Expedition sets out to map Larsen C ice shelf 2018-12-26T05:00:00Z She pulled 2 sleds unassisted starting at the Ross ice shelf. Tracking the Race Across Antarctica 2018-12-18T05:00:00Z This causes the ice shelf to become denser, which scientists believe can make it more vulnerable to breaking and collapsing down the road. "Hair Dryer" Winds Could Strain Vulnerable Antarctic Ice Shelf 2019-04-12T04:00:00Z One recent study found that Antarctic meltwater flowing into the ocean creates a layer of cold, fresh water that pushes warmer, saltier water up under the continent’s ice shelves, accelerating ice loss2. Massive ocean carbon sink spotted burping CO2 on the sly 2018-12-13T05:00:00Z Because the water at that point is more than 600 kilometres from the sunlit edge of the floating ice shelf, researchers did not expect to find complex life. The hunt for life below Antarctic ice 2018-12-11T05:00:00Z The ship’s destination is the Larsen C ice shelf where a trillion tonne iceberg, four times the size of Greater London, calved away in July 2017. Expedition sets out to map Larsen C ice shelf 2018-12-26T05:00:00Z “Joey Ramone’s voice was the cry of a fat baby seal stranded limbless on a floating ice shelf, abandoned by its mother.” The book 'Voices' celebrates the songs a man most wanted to hear before going deaf 2018-11-28T05:00:00Z The production of bergs at the forward edge of an ice shelf is part of a very natural process. Nasa shares close-up photos of big berg 2018-11-09T05:00:00Z These are flat and long and form by splitting away from the edges of ice shelves. Nasa photographs rectangular iceberg 2018-10-23T04:00:00Z This time, they are coming to Lake Mercer with better equipment: including the thin submersible that discovered the animals beneath the ice shelf in 2015. The hunt for life below Antarctic ice 2018-12-11T05:00:00Z The glaciers held at bay by the Larsen C ice shelf contain enough ice to raise global sea levels by about 10cm. Expedition sets out to map Larsen C ice shelf 2018-12-26T05:00:00Z Seismic recordings captured the sound of an Antarctic ice shelf melting: Analysis | The Daily 202: Generic Democrats in Midwest faring better than more fiery liberals in Sun Belt 2018-10-22T04:00:00Z If an ice shelf is about to collapse into the sea, scientists will want to put together an observing campaign right away. NASA space laser will track Earth's melting poles and disappearing sea ice 2018-09-11T04:00:00Z Because ice shelves block nutrients from reaching the ocean, the seafloor under shelves is usually nearly barren, he said. Enormous Iceberg Pirouettes After Splitting from Ice Shelf 2018-09-07T04:00:00Z “We saw the surface imprint of the topography underneath on the ice shelf,” Arndt explains. Antarctic Glacier's Breakup Is Controlled by Seafloor Topography 2018-09-03T04:00:00Z The robotic submarines will also map the seabed under the ice shelf with downward-looking sonar. Expedition sets out to map Larsen C ice shelf 2018-12-26T05:00:00Z “I’m not going to quibble here today about whether it’s man, or sunspot activity, or magma causing ice shelves to melt,” he told the Guardian on Tuesday, citing discredited alternative explanations for rising temperatures. Surrounded by fire, California politicians question links to climate change 2018-08-01T04:00:00Z A gravimeter picks up the depth and size of glacial cavities filled with seawater, a marker of how floating ice shelves might be melting as they interact with the ocean. Surrendering to Rising Seas 2018-07-27T04:00:00Z As the tides ebb and flow, the berg will surf atop them, floating closer to, and then farther from, the ice shelf in a spiraling-type path, he said. Enormous Iceberg Pirouettes After Splitting from Ice Shelf 2018-09-07T04:00:00Z But reconstructing the extent of ice shelves to investigate this idea will be challenging. Ancient ice sheet had a growth spurt 2018-07-24T04:00:00Z If the expedition reaches the Larsen C ice shelf, researchers will launch two autonomous robotic submarines which will dive under the ice and map the shelf with upward-looking sonar. Expedition sets out to map Larsen C ice shelf 2018-12-26T05:00:00Z “Where there was one continuous ice shelf, we now see individual icebergs broken up, we see a lot more crevasses.” Canada's high Arctic glaciers at risk of disappearing completely, study finds 2018-07-17T04:00:00Z More than 100 scientists from around the world will study the interaction between warming ocean water and the ice shelf to examine how Thwaites is thinning from below. Surrendering to Rising Seas 2018-07-27T04:00:00Z A good example would be the colossal ice shelves that surround Antarctica. Attenborough polar ship set for launch 2018-07-13T04:00:00Z “The goal is to understand how the Antarctic Ocean interacts with the ice shelves and contributes to sea level rise,” says Yoshihiro Nakayama of NASA’s Jet Propulsion Laboratory in Pasadena. Deep-diving Antarctic seals take climate change’s measure 2018-05-20T04:00:00Z Coupled with measurements of sea temperature and salinity, the data will be fed into computer models showing ice shelf melt, fracture and collapse. Expedition sets out to map Larsen C ice shelf 2018-12-26T05:00:00Z He’s also the one who snapped that photo of the crack on one of the largest ice shelves that ultimately gave the world an iceberg the size of Delaware. NASA baffled by mysterious ice circles in the Arctic 2018-04-27T04:00:00Z Thwaites is like a tub stopper holding much of West Antarctica in place; if it’s doomed, so is the ice shelf. Surrendering to Rising Seas 2018-07-27T04:00:00Z Technology is already enabling expeditions mapping the most remote rivers of Angola, filming elusive pregnant North Pacific humpback whales, and documenting the changes in ice shelves in the Arctic. Why We Created This First-of-Its-Kind Digital Field Journal 2018-04-17T04:00:00Z As the air and ocean around Antarctica warm, some ice shelves are becoming thinner, particularly those fringing the Amundsen Sea. Geoengineer polar glaciers to slow sea-level rise 2018-03-13T04:00:00Z Because ice shelves themselves are floating, sea levels are not directly affected when they melt or collapse. Expedition sets out to map Larsen C ice shelf 2018-12-26T05:00:00Z When a huge iceberg broke off the Larsen C ice shelf last year, it revealed an ecosystem that had been hidden for 120,000 years, providing an opportunity for groundbreaking scientific research. Fishing for krill is an eco-disaster: we must protect the Antarctic | Chris Packham 2018-03-13T04:00:00Z The nation's favourite yellow submarine swam under a near-600m thick ice shelf in the Antarctic, returning safely to its launch ship after 48 hours away. 'Boaty McBoatface' survives ice mission 2018-03-12T04:00:00Z It is stabilized, at least for the time being, by a phalanx of floating ice shelves, that hang off its outer edges—of which the Ross Ice Shelf is by far the largest. Deep Bore Into Antarctica Finds Freezing Ice, Not Melting as Expected 2018-02-16T05:00:00Z One solution is to artificially pin the ice shelves in front of the two glaciers by constructing berms and islands, extended from outcrops or built on the sea floor. Geoengineer polar glaciers to slow sea-level rise 2018-03-13T04:00:00Z They analysed more than two decades of satellite radar measurements of ice shelves. El Nino's long reach to Antarctic ice 2018-01-08T05:00:00Z One of the biggest icebergs ever recorded broke away from Antarctica's Larsen C ice shelf in July. Eight amazing science stories of 2017 2017-12-24T05:00:00Z He recently funded University of Washington scientists to study the deep ocean and Antarctic ice shelves. On the hunt for sunken ships, Paul Allen’s team captures rare footage of a sixgill shark 2017-12-22T05:00:00Z Scientists fear that some of these ice shelves are already weakening. Deep Bore Into Antarctica Finds Freezing Ice, Not Melting as Expected 2018-02-16T05:00:00Z But it would be difficult in practice for engineers to work around the ice shelves, which grow and shrink as the glaciers, sheets and conditions fluctuate. Geoengineer polar glaciers to slow sea-level rise 2018-03-13T04:00:00Z There’s not much evidence of surface melting, so scientists suspect warm ocean currents are eating away at the ice shelf from below. UW’s robotic fleet will probe under Antarctic ice shelves for clues to future sea-level rise 2017-12-17T05:00:00Z We compared this simulated meltwater volume to the approximate volume contained in a single large pond on the ice shelf. Corrigendum: Widespread movement of meltwater onto and across Antarctic ice shelves 2017-11-07T05:00:00Z Just as important is the initial trigger: how sensitive are the ice shelves to global warming? How soon will the 'ice apocalypse' come? 2017-11-23T05:00:00Z The undersides of ice shelves are usually smooth due to gradual melting. Deep Bore Into Antarctica Finds Freezing Ice, Not Melting as Expected 2018-02-16T05:00:00Z These lie within 80 kilometres of the glacier and the coast, and would be a good base for research into the sub-glacial environment and ice shelves. Geoengineer polar glaciers to slow sea-level rise 2018-03-13T04:00:00Z When the Southern Hemisphere winter descends in June and the sea freezes, the Seagliders will be on their own, exploring and collecting data up to several miles under the ice shelf. UW’s robotic fleet will probe under Antarctic ice shelves for clues to future sea-level rise 2017-12-17T05:00:00Z But now, two and a half years later, as the ice shelves crumble and the Twitter president pulls out of the Paris accord, I’m not so sure. Is it too late to save the world? Jonathan Franzen on one year of Trump's America 2017-11-04T04:00:00Z Ted Scambos mentioned ‘piles of icebergs’ acting as new ice shelves. How soon will the 'ice apocalypse' come? 2017-11-23T05:00:00Z Under the ice shelf “is a huge amount of ocean, it’s the volume of the North Sea” between England and Norway, says Hulbe, “and there are almost no measurements” there. Deep Bore Into Antarctica Finds Freezing Ice, Not Melting as Expected 2018-02-16T05:00:00Z The passage between A68A and the front of the ice shelf has already widened, and the smaller bits spread out. Satellite eye on Earth: September 2017 - in pictures 2017-10-31T04:00:00Z “Our Antarctic summer research operation will continue as planned, and we are confident of mounting a fast uplift of personnel should fracturing of the ice shelf occur,” she said. British Antarctic research station to shut for second winter as cracks in ice grow 2017-10-31T04:00:00Z Prof Shepherd said a new high-resolution swath mode used by Cryosat at Dotson was now being deployed elsewhere around Antarctica to look for more patterns of enhanced thinning on other ice shelves. 'Upside-down ice canyon' revealed 2017-10-11T04:00:00Z One of the largest icebergs ever recorded broke free from the Larsen C ice shelf on the Antarctic Peninsula in July. Giant iceberg’s split exposes hidden ecosystem 2017-09-25T04:00:00Z A rift in Pine Island Glacier ice shelf in West Antarctica, photographed on November 4th, 2016. An iceberg four times the size of Manhattan broke off a glacier in Antarctica 2017-09-25T04:00:00Z Offshore winds had pushed sea ice away from the Larsen C ice shelf and out to sea. Satellite eye on Earth: September 2017 - in pictures 2017-10-31T04:00:00Z These active peaks are concentrated in a region known as the west Antarctic rift system, which stretches 3,500km from Antarctica’s Ross ice shelf to the Antarctic peninsula. Scientists discover 91 volcanoes below Antarctic ice sheet 2017-08-12T04:00:00Z He can recite, with encyclopedic knowledge, stats on penguins and ice shelves. Netflix's 'Atypical' with Jennifer Jason Leigh may offend with its take on autism, but does more good than harm 2017-08-10T04:00:00Z Cracks continue to spread on the Antarctic ice shelf where a trillion-ton iceberg roughly the size of Delaware broke free in July, scientists say. Cracks are still spreading where that massive Antarctic iceberg broke free 2017-08-02T04:00:00Z Scientists will keep monitoring Pine Island Glacier, as well as other ice shelves that are producing some of the biggest icebergs ever created. An iceberg four times the size of Manhattan broke off a glacier in Antarctica 2017-09-25T04:00:00Z Other experts, though, say thinning ice sheets on land and calving ice shelves on the sea are reasons for alarm. Should the World Tap Undersea Methane Hydrates for Energy? 2017-08-01T04:00:00Z It came off the ice shelf that buttresses the Petermann Glacier at the height of seasonal warming in the Arctic region. Forget That Big Iceberg--A Smaller One in the Arctic Is More Troubling 2017-07-31T04:00:00Z The Antarctica and Greenland ice shelves are melting, threatening Earth with destructive sea level rise. Why An Inconvenient Truth needed a sequel 11 years later 2017-07-27T04:00:00Z The rise is where the ice shelf climbs over an island. The Larsen C Iceberg Is Already Cracking Up 2017-07-20T04:00:00Z The latest iceberg, for instance, cracked off from the center of the ice shelf rather than the sides. An iceberg four times the size of Manhattan broke off a glacier in Antarctica 2017-09-25T04:00:00Z Still, climate change did impact other icebergs and ice shelf collapses in the region recently. 5 Things to Know About the Trillion-Ton Iceberg 2017-07-13T04:00:00Z Meanwhile, the ice shelf that braces it and slows the rate of flow is disintegrating as climate change transforms the region. Forget That Big Iceberg--A Smaller One in the Arctic Is More Troubling 2017-07-31T04:00:00Z A handout photo made available by NASA shows a view of a massive rift in the Antarctic Peninsula's Larsen C ice shelf, Antarctica. Analysis | The Energy 202: Trump gets the chance to make his coal rhetoric reality 2017-07-12T04:00:00Z Researchers will be monitoring changes to those rises as well as across the ice shelf to unravel what the future holds. The Larsen C Iceberg Is Already Cracking Up 2017-07-20T04:00:00Z The greater fear is the loss of ice shelves, and glaciers, farther southward in Antarctica, where the sea level rise potential begins to be measured in feet. One of the biggest icebergs in recorded history just broke loose from Antarctica 2017-07-12T04:00:00Z The George VI ice shelf, for example, holds the equivalent of 11 inches. An iceberg the size of Delaware just broke off the Antarctica ice shelf 2017-07-12T04:00:00Z But it could lead to an expansion of major cracks upstream in the ice shelf, causing it to break up more quickly. Forget That Big Iceberg--A Smaller One in the Arctic Is More Troubling 2017-07-31T04:00:00Z Along the east coast he discovered the huge ice shelf which took his name. What Does the Antarctic Ice Shelf Break Really Mean? 2017-07-12T04:00:00Z The event, captured by satellite, happened sometime in the past few days when the giant chunk snapped off an ice shelf. Scientists say massive iceberg has broken off in Antarctica 2017-07-12T04:00:00Z Throughout the Antarctic winter, scientists monitored the progress of the rift in the ice shelf using the European Space Agency satellites. Trillion-Ton Iceberg Breaks Off Antarctica 2017-07-12T04:00:00Z These ice shelves act like buttresses, holding back and slowing down the movement into the sea of the glaciers that feed them. Giant Antarctic iceberg breaks free of Larsen C ice shelf 2017-07-12T04:00:00Z As the seas warm, they erode ice shelves from underneath. Forget That Big Iceberg--A Smaller One in the Arctic Is More Troubling 2017-07-31T04:00:00Z These ice shelves are floating in the ocean, so when they melt or break apart, they don’t raise sea levels on their own. One of the largest icebergs ever is about to break off Antarctica 2017-07-05T04:00:00Z Similarly, waterfalls off the front of the ice shelf are not a catastrophe. Melting and cracking – is Antarctica falling apart? 2017-06-23T04:00:00Z It appears it also rained on the ice shelf and other parts of West Antarctica. Unusual weather in Antarctica leads to rain and a Texas-sized melt 2017-06-15T04:00:00Z First, when an ice shelf melts or collapses, it can unpin other ice that is sitting on land, which allows it to flow more quickly into the ocean. The Larsen C ice shelf collapse hammers home the reality of climate change | John Abraham 2017-06-12T04:00:00Z Greenland has lost two ice shelves in the last few decades, and it only has two left, said Andreas Muenchow, a researcher at the University of Delaware. Forget That Big Iceberg--A Smaller One in the Arctic Is More Troubling 2017-07-31T04:00:00Z They posted stories about collapsing ice shelves, California's disappearing coastline, and the greening of Antarctica to hammer their point home. Now the Weather Channel Is Trolling Trump 2017-06-02T04:00:00Z The formation of the iceberg fits within a broader trend of shrinking ice shelves in the region, which scientists believe is linked to global warming. Delaware-sized iceberg on verge of split from Antarctic shelf 2017-06-01T04:00:00Z Losing ice shelves encourages the ice further back to melt and drain into the ocean, raising the seas to dangerous levels. Opinion | Those menacingly high sea levels may come sooner than we think 2017-05-20T04:00:00Z Loss of a major ice shelf can also activate ice that rests on bedrock topography that makes it fundamentally unstable – ice that, once moving, will move faster and faster, until a large region is afloat. The Larsen C ice shelf collapse hammers home the reality of climate change | John Abraham 2017-06-12T04:00:00Z Muenchow, who gets daily updates from equipment underneath the ice shelf, said ocean temperatures are steadily rising. Forget That Big Iceberg--A Smaller One in the Arctic Is More Troubling 2017-07-31T04:00:00Z Antarctica holds 60 percent of the world’s freshwater, frozen in an ice shelf that sheds nearly 1.2 trillion tons of icebergs a year , according to NASA. Dubai firm dreams of harvesting icebergs for water 2017-05-16T04:00:00Z It is reasonable to link the event and the shrinking ice shelves in Antarctica to global warming, Richard Alley, a glaciologist at Penn State University who is not connected with project. Growing Antarctic crack primes Delaware-sized iceberg 2017-05-03T04:00:00Z A major threat to these ice shelves is meltwater that pools on the surface, widening cracks and encouraging them to break up. Opinion | Those menacingly high sea levels may come sooner than we think 2017-05-20T04:00:00Z In addition, warmer waters can reach underneath the ice shelf and can melt it from below. The Larsen C ice shelf collapse hammers home the reality of climate change | John Abraham 2017-06-12T04:00:00Z Warmer ocean waters are causing the Thwaites ice shelf to thin. Opinion | The Planet Can’t Stand This Presidency 2017-04-21T04:00:00Z The researchers found evidence that six East Antarctic ice shelves, including Totten, were melting from below at rates much higher than expected — with some even rivalling those of fast-retreating glaciers in West Antarctica3. Antarctica’s sleeping ice giant could wake soon 2017-04-11T04:00:00Z There are thick slabs of floating ice that fan out along the coasts: the ice shelves. Satellite eye on Earth: February 2017 – in pictures 2017-03-21T04:00:00Z If this system delivers increasing amounts of water to the wrong parts of delicate ice shelves, it could severely damage them. Opinion | Those menacingly high sea levels may come sooner than we think 2017-05-20T04:00:00Z Part of the reason for the acceleration is phenomena like ice shelf loss. The Larsen C ice shelf collapse hammers home the reality of climate change | John Abraham 2017-06-12T04:00:00Z A crack in the Larsen-C ice shelf on the Antarctic peninsula first appeared several years ago, but recently it has been lengthening faster than before. Satellite Eye on Earth January 2017 – in pictures 2017-02-22T05:00:00Z A priority for the future is to map the bedrock beneath all major ice shelves. Antarctica’s sleeping ice giant could wake soon 2017-04-11T04:00:00Z New Hampshire Fish and Game officials say the father reached an ice shelf and hung on until rescuers arrived in an air boat. Teen’s body found after snowmobile falls through icy lake 2017-02-13T05:00:00Z There is an astonishing amount of water frozen on top of the southern continent, hemmed in by floating ice shelves abutting the Antarctic land mass. Opinion | Those menacingly high sea levels may come sooner than we think 2017-05-20T04:00:00Z Very soon, a large portion of an ice shelf in Antarctica will break off and collapse into the ocean. The Larsen C ice shelf collapse hammers home the reality of climate change | John Abraham 2017-06-12T04:00:00Z When the ice shelf calves, this iceberg will be one of the largest ever recorded. Satellite Eye on Earth January 2017 – in pictures 2017-02-22T05:00:00Z And in Antarctica, a rift in a massive ice shelf grew about 17 miles in two months. Elizabeth Warren, Jeff Sessions, Great Bear Lake: Your Wednesday Briefing 2017-02-08T05:00:00Z A rift in the fourth-largest ice shelf there is growing rapidly — by about 17 miles in the last two months. Executive Orders, Betsy DeVos: Your Tuesday Evening Briefing 2017-02-07T05:00:00Z For now, that is: A major ice shelf disintegrated in 2002, and scientists just reported an ominous new crack in another close by. Opinion | Those menacingly high sea levels may come sooner than we think 2017-05-20T04:00:00Z Why is the ice shelf going to break off and collapse into the ocean? The Larsen C ice shelf collapse hammers home the reality of climate change | John Abraham 2017-06-12T04:00:00Z These ice shelves are important because they act as buttresses, holding back the ice that flows towards the sea. Satellite Eye on Earth January 2017 – in pictures 2017-02-22T05:00:00Z Meanwhile, a massive iceberg the size of Delaware is poised to break off the Larsen C ice shelf on the Antarctic Peninsula, much as the Larsen B ice shelf did starting in 2002: New studies show Rex Tillerson is wrong about climate risks | Dana Nuccitelli 2017-01-16T05:00:00Z In East Antarctica, 3,000km south of the West Australian town of Albany, an ice shelf the size of California is melting from below. Epic Antarctic voyage maps seafloor to predict ocean rise as glacier the size of California melts 2017-01-14T05:00:00Z The resulting meltwater could then encourage ice shelves to decline, which could encourage further thinning farther back on the continent, and therefore further exposure of heat-absorbing rocks. Opinion | Those menacingly high sea levels may come sooner than we think 2017-05-20T04:00:00Z We are more concerned about the rest of the Larsen C ice shelf. The Larsen C ice shelf collapse hammers home the reality of climate change | John Abraham 2017-06-12T04:00:00Z The stability of ice shelves is important because they help buttress the huge glaciers that feed them. Earth keeps melting away: Large iceberg poised to break off from Antarctica 2017-01-14T05:00:00Z Until Halley VI arrived in 2013, all were defeated by snow accumulation, and by the moving ice shelf on which they stood. How Antarctic bases went from wooden huts to sci-fi chic - BBC News 2017-01-13T05:00:00Z The stability of ice shelves is important because they help buttress the huge glaciers that feed them. Iceberg bigger than NY’s Long Island poised to break off from Antarctica 2017-01-06T05:00:00Z Even so, it is not clear every ice shelf is in critical danger. Opinion | Those menacingly high sea levels may come sooner than we think 2017-05-20T04:00:00Z It may take a while for an ice shelf to melt but when it does, the losses occur quickly. The Larsen C ice shelf collapse hammers home the reality of climate change | John Abraham 2017-06-12T04:00:00Z The effects of this on the future of the ice shelf are still unknown. An Iceberg the Size of Delaware Is Set to Break Off From Antarctica 2017-01-06T05:00:00Z Scientists fear the loss of ice shelves will destabilise the frozen continent’s inland glaciers. Giant iceberg poised to break off from Antarctic shelf 2017-01-06T05:00:00Z “There are still many more open rather than ‘closed’ questions on the rift and the subsequent response of the ice shelf to this perturbation,” he said in an email. Iceberg bigger than NY’s Long Island poised to break off from Antarctica 2017-01-06T05:00:00Z In another paper, the scientists discussed a drainage system in one part of Antarctica that diverted meltwater directly into the ocean, apparently without undermining sensitive parts of the ice shelf over which it flowed. Opinion | Those menacingly high sea levels may come sooner than we think 2017-05-20T04:00:00Z However, they are concerned about how any break-off will impact the rest of the ice shelf, given that its neighbour, Larsen B, disintegrated spectacularly in 2002 following a similar large calving event. Huge Antarctic iceberg poised to break away - BBC News 2017-01-05T05:00:00Z Ocean heat is melting a floating ice shelf in East Antarctica, raising concerns of accelerated glacier discharge and sea-level rise. Ocean science: East Antarctic ice melts from below : Nature : Nature Research 2016-12-20T05:00:00Z The researchers took ocean measurements at 10 separate points along the floating Totten ice shelf. Scientists confirm that warm ocean water is melting the biggest glacier in East Antarctica 2016-12-16T05:00:00Z The Dec. 13 Health & Science article “Bad news for glaciers: A Delaware-size iceberg is splitting off from an Antarctic ice shelf” continued The Post’s excellent coverage of the existential threat of climate change. Don’t lose sight of the Trump team’s threat to NASA 2016-12-15T05:00:00Z They do so based on research they conducted atop the very large Roi Baudouin ice shelf in East Antarctica, which floats atop the ocean, and where they found a very Greenland-like situation in early 2016. This stunning Antarctic lake is buried in ice. And that could be bad news 2016-12-12T05:00:00Z "We are convinced, although others are not, that the remaining ice shelf will be less stable than the present one," said Prof Luckman. Huge Antarctic iceberg poised to break away - BBC News 2017-01-05T05:00:00Z The images of Pine Island Glacier showed two parallel rifts that were peculiarly running across the middle of the ice shelf, instead of along its edges. Runaway ice: Pine Island Glacier break reveals new mechanism for collapse 2016-12-07T05:00:00Z Dr. Hamilton was camping with his research team on what is known as the Shear Zone, where two ice shelves meet in an expanse three miles wide by 125 miles long. Gordon Hamilton, Climate Scientist, Dies at 50 in Antarctica Accident 2016-10-24T04:00:00Z They’ll also feed that information back into mathematical models that aim to predict how ice shelves are interacting with the ocean. New Research Finds Antarctica’s Ice Shelves Are Melting Rapidly 2016-10-25T04:00:00Z They found 55 lakes in total on or in the ice shelf, and a number of them were in this buried, englacial format. This stunning Antarctic lake is buried in ice. And that could be bad news 2016-12-12T05:00:00Z "The eventual consequences might be the ice shelf collapsing in years to decades," said Prof Luckman, Huge Antarctic iceberg poised to break away - BBC News 2017-01-05T05:00:00Z “It definitely indicates that there’s big weaknesses in the center of the ice shelf.” Runaway ice: Pine Island Glacier break reveals new mechanism for collapse 2016-12-07T05:00:00Z For instance, ice loss across the globe is widespread: in the Arctic, the Antarctic ice shelves, Greenland, and from land glaciers. Climate scientists published a paper debunking Ted Cruz | John Abraham 2016-10-14T04:00:00Z Understanding how ice shelves are changing is crucial to predicting sea-level rise, said Ala Khazendar, a polar scientist at NASA’s Jet Propulsion Laboratory in Pasadena, Calif., and the study’s first author. New Research Finds Antarctica’s Ice Shelves Are Melting Rapidly 2016-10-25T04:00:00Z And global warming will gradually produce warmer Antarctic temperatures, which should increase the volume of meltwater atop of these ice shelves, pushing them still further in the Greenland direction. This stunning Antarctic lake is buried in ice. And that could be bad news 2016-12-12T05:00:00Z Will we continue to see major ice shelf collapse? 375 top scientists warn of 'real, serious, immediate' climate threat | John Abraham 2016-09-21T04:00:00Z When ice shelves lose large chunks, it does not raise sea level because these bodies are already afloat. A widening 80 mile crack is threatening one of Antarctica’s biggest ice shelves 2016-08-22T04:00:00Z That warming was accompanied by significant decreases in sea ice, changes to plant and animal communities, and the melt of land-bound glaciers and the floating ice shelves that buttress them. The sad truth about climate change: The Antarctic Peninsula has cooled, but warming will win 2016-07-22T04:00:00Z On the Antarctic Peninsula, about 10 ice shelves, from the Jones to the Wilkins, have retreated sharply or disintegrated in recent decades. After warming fast, part of Antarctica gets a chill: study 2016-07-20T04:00:00Z “With potential implications for hydrofacturing to happen and for ice shelf stability.” This stunning Antarctic lake is buried in ice. And that could be bad news 2016-12-12T05:00:00Z Related: Continuing collapse of Antarctic ice shelves will affect us all Firms are not even allowed to write about specific locations in brochures for fear people will demand to see them. Antarctica's tourism industry is designed to prevent damage, but can it last? 2016-06-26T04:00:00Z It's a sobering reminder of the precarious nature of life on a floating ice shelf. The chasm cutting an Antarctic base adrift - BBC News 2016-05-04T04:00:00Z A 2014 study pointed to the warm air that bathed the peninsula in the preceding summers as the precipitating cause of the ice shelf’s demise. The sad truth about climate change: The Antarctic Peninsula has cooled, but warming will win 2016-07-22T04:00:00Z The splintering of the Larsen B ice shelf in 2002 inspired the opening scene of a Hollywood disaster movie about climate change, "The Day After Tomorrow", where a vast crack destroys a U.S. scientific camp. After warming fast, part of Antarctica gets a chill: study 2016-07-20T04:00:00Z The aftermath of an ice shelf collapse is obvious in Sjögren’s fjord. Scientists Are Watching in Horror as Ice Collapses 2016-04-12T04:00:00Z First, as the ocean warms, it melts the floating ice shelf from below, thinning and weakening it. Why the New Sea Level Alarm Can't Be Ignored 2016-04-01T04:00:00Z Alley suggested that they look at what would happen if the floating ice shelves were lost. Climate Catastrophe, Coming Even Sooner? 2016-03-31T04:00:00Z The model also calculates the impact of the disintegration of floating ice shelves. 'Drastic' Antarctic melt could double global sea-level rise - BBC News 2016-03-30T04:00:00Z Smaller, nearby ice shelves have already started to disintegrate, most spectacularly in 2002, when an ice shelf the size of Rhode Island, the Larsen B shelf, broke apart in two weeks. Climate Model Predicts West Antarctic Ice Sheet Could Melt Rapidly 2016-03-30T04:00:00Z For all of these ice shelves, the moment of death occurred suddenly. Scientists Are Watching in Horror as Ice Collapses 2016-04-12T04:00:00Z Second, as the atmosphere warms, it melts the ice shelf from above, generating pools that become crevasses that help break the shelf apart. Why the New Sea Level Alarm Can't Be Ignored 2016-04-01T04:00:00Z It is buttressed by floating ice shelves that extend far out to sea, but were to these disintegrate, Mercer wrote, then “changing horizontal forces” would cause the ice sheet to lift off its base. Climate Catastrophe, Coming Even Sooner? 2016-03-31T04:00:00Z Huge floating sea ice shelves around Antarctica provide buttresses for the glaciers and ice sheets on the continent. Sea-level rise 'could last twice as long as human history' 2016-02-08T05:00:00Z It is possible, in a human lifetime, to see sea levels rise and ice shelves break away, and, when they do, nothing about what happens next can be taken for granted. The Next Great Famine 2016-01-11T05:00:00Z In November, researchers reported that, owing to the loss of an ice shelf off northeastern Greenland, a new “floodgate” on the ice sheet had opened. Miami Underwater 2015-12-21T05:00:00Z In their data, the researchers saw that while Zachariae was stable for decades, that all changed when a huge chunk of its ice shelf broke off in 2002-03, after which the remainder continued to crumble. Once Stable Greenland Glaciers Face Rapid Melt 2015-11-12T05:00:00Z If the thinning continues at today’s pace, the scientists believe the ice shelf will become vulnerable to break up in the near future. Collapsing Greenland glacier could raise sea levels by half a metre, say scientists 2015-11-12T05:00:00Z Another new study in Nature Climate Change published on Monday reveals that some large Antarctic ice sheets are dangerously close to losing the sea ice shelves that hold back their flow into the ocean. Sea-level rise 'could last twice as long as human history' 2016-02-08T05:00:00Z The model simulates melting at the base of the Amundsen Sea ice shelves at current rates over several decades. Just a nudge could collapse West Antarctic Ice Sheet, raise sea levels 3 meters 2015-11-02T05:00:00Z When stress levels change in one of these regions — say, if part of an ice shelf collapses into the sea — it affects how ice moves elsewhere. Antarctic coast meltdown could trigger ice-sheet collapse 2015-11-01T04:00:00Z Likewise, the surface flow of the glacier tripled its acceleration after the 2012 event, and the thinning of the glacier and its ice shelf doubled, the researchers found. Once Stable Greenland Glaciers Face Rapid Melt 2015-11-12T05:00:00Z “Our model projections show that similar levels of melt may occur across coastal Antarctica near the end of this century, raising concerns about future ice shelf stability.” Antarctic ice is melting so fast the whole continent may be at risk by 2100 2015-10-12T04:00:00Z Climate scientists use computer models to simulate ice shelves and climate change in the next century. How Much Will Antarctica and Greenland Ice Raise Seas? 2015-08-18T04:00:00Z At the same time, warmer, deeper waters then further melt ice shelves, adding yet more freshwater and amplifying the climate effect. Fossil Fuels Must Be Phased Out to Avoid Drowned Coastlines 2015-07-20T04:00:00Z Meanwhile, satellite images showed Antarctica’s Larsen B ice shelf on the edge of disintegration. How mankind blew the fight against climate change 2015-06-05T04:00:00Z The likely cause of the change, they say, is warmer waters reaching the base of mostly submerged ice shelves that hold back larger glaciers — melting them from below. Yet another Antarctic ice mass is becoming destabilized, scientists report 2015-05-22T04:00:00Z The new research predicts a doubling of surface melting of the ice shelves by 2050. Antarctic ice is melting so fast the whole continent may be at risk by 2100 2015-10-12T04:00:00Z The ice shelves in the Amundsen Sea embayment were the most vulnerable to melting by 2100 because of the typography under the ocean. How Much Will Antarctica and Greenland Ice Raise Seas? 2015-08-18T04:00:00Z "This ice shelf has existed for at least 10,000 years, and soon it will be gone." NASA says a giant ice shelf in Antarctica will be gone within the decade 2015-05-16T04:00:00Z An Antarctic ice shelf that is twice the size of Hawaii is at “imminent risk” of collapse and needs to be monitored carefully, a new study finds. Massive Antarctic Ice Shelf Faces Imminent Risk of Collapse 2015-05-13T04:00:00Z |
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