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Search resuls for: "Ronne Ice Shelf"


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☆ Scientists drilled an ice core from Antarctica and were alarmed by what they found
  + stars: | 2024-02-08 | by ( Laura Paddison | ) edition.cnn.com   time to read: +6 min
CNN —Evidence from a 2,000-foot-long ice core reveals that the West Antarctic Ice Sheet shrank suddenly and dramatically around 8,000 years ago, according to new research — providing an alarming insight into how quickly Antarctic ice could melt and send sea levels soaring. Map showing the location of the Skytrain Ice Rise, part of the Ronne Ice Shelf, from where the ice core was taken. The ice core analyzed in the study was drilled from Skytrain Ice Rise located at the edge of the ice sheet, near the point where the ice starts to float and become part of the Ronne Ice Shelf. Inside the drilling tent at Skytrain Ice Rise, scientists preparing the drill for its next drop into the borehole. University of Cambridge/British Antarctic SurveyInsulated boxes full of ice cores being loaded into the Twin Otter aircraft, Skytrain Ice Rise, Antarctica.
Persons: Eric Wolff, “ We’ve, we’ve, Wolff, Ted Scambos, “, that’s, ” Wolff, Isobel Rowell, ”, David Thornalley, Thwaites, Scambos Organizations: CNN, West, Empire, Nature, University of Cambridge, University of Colorado, Ronne Ice Shelf, University of Cambridge / British Antarctic Survey, Ronne, Shelf, Twin, British Antarctic Survey, University College London Locations: Antarctica, University of Colorado Boulder, West Antarctica
☆ A23a iceberg seen with striking arches and cavernous hollows as it floats away from Antarctica
  + stars: | 2024-01-17 | by ( Jack Guy | ) edition.cnn.com   time to read: +2 min
CNN —Erosion has carved huge arches and cavernous hollows into the world’s largest iceberg as it floats through the ocean away from Antarctica, spectacular new photos show. The A23a iceberg is being gradually eroded as it moves further north of Antarctica and encounters milder air and warmer ocean temperatures. A23a is currently the largest iceberg in the world. Richard Sidey/Eyos ExpeditionsThe iceberg is about 400 meters (1,312 feet) thick, and almost 4,000 square kilometers (1,544 square miles) in area. Last February, Antarctic sea ice reached its lowest extent since records began, at 691,000 square miles.
Persons: A23a, Ian Strachan, Richard Sidey, Amy Woodyatt Organizations: CNN, EYOS Expeditions, EYOS, Ronne, Eyos Locations: Antarctica, London, Weddell, Los Angeles
☆ The world's largest iceberg is now sailing away from Antarctica
  + stars: | 2023-12-04 | by ( Sean Conlon | ) www.cnbc.com   time to read: 1 min
Share Share Article via Facebook Share Article via Twitter Share Article via LinkedIn Share Article via EmailThe world's largest iceberg is now sailing away from AntarcticaRecent satellite images show an iceberg roughly three times the size of New York City floating past the northern tip of the Antarctic Peninsula. According to the British Antarctic Survey, the berg named A23a is now likely to be swept along by the Antarctic Circumpolar Current into 'iceberg alley.' Once hosting a Soviet research station, A23a split from West Antarctica's Filchner-Ronne Ice Shelf in 1986.
Persons: berg, A23a, Antarctica's Organizations: British Antarctic Survey, Antarctic, Ronne Ice Shelf Locations: Antarctica, New York City, Soviet
☆ World’s biggest iceberg is on the move
  + stars: | 2023-11-24 | by ( Amy Woodyatt | ) edition.cnn.com   time to read: +1 min
London CNN —The world’s biggest iceberg – more than twice the size of Britain’s capital city - is on the move after decades of being grounded on the seafloor in Antarctica. The huge mass of ice broke away from the Filchner-Ronne ice shelf in 1986, calved and grounded on the Antarctic’s Weddell Sea floor almost immediately. The iceberg, named A23a, is about 400 meters (1,312 feet) thick, and almost 4,000 square kilometers (1,544 square miles) in area. Greater London, by way of comparison, is 1,572 square kilometers (607 square miles). The iceberg, carried by ocean currents, will likely head eastward, and at its current rate is traveling five kilometers (three miles) a day.
Persons: Ella Gilbert, Oliver Marsh, A23a, Gilbert, Marsh Organizations: London CNN, Ronne, British Antarctic Survey, CNN Locations: Antarctica, Weddell, Greater London
☆ World's largest iceberg breaks free, heads toward Southern Ocean
  + stars: | 2023-11-24 | by ( Gloria Dickie | Thomson Reuters | Gloria Dickie Reports On Climate | ) www.reuters.com   time to read: +2 min
[1/2] A satellite imagery of the world's largest iceberg, named A23a, seen in Antarctica, November 15, 2023. Courtesy of European Union/Copernicus Sentinel-3/Handout via REUTERS Acquire Licensing RightsNov 24 - The world's largest iceberg is on the move for the first time in more than three decades, scientists said on Friday. At almost 4,000 square km (1,500 square miles), the Antarctic iceberg called A23a is roughly three times the size of New York City. This will funnel it toward the Southern Ocean on a path known as "iceberg alley" where others of its kind can be found bobbing in dark waters. "Over time it's probably just thinned slightly and got that little bit of extra buoyancy that's allowed it to lift off the ocean floor and get pushed by ocean currents," said Marsh.
Persons: berg, Oliver Marsh, it's, Gloria Dickie, Olga Vyshnevska, William Maclean Organizations: European, Copernicus, REUTERS Acquire, Antarctica's, Ronne Ice Shelf, British Antarctic Survey, Antarctic, Thomson Locations: Antarctica, New York City, Soviet, Weddell, A23a, South Georgia, South Africa, London
☆ Scientists accidentally found life under 3,000 feet of ice in Antarctica. 'Never in a million years' would they have expected it, the lead scientist said.
  + stars: | 2022-11-14 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +3 min
The creatures were found attached to a boulder in the arctic seas under the Filchner-Ronne ice shelf. Experts from the British Antarctic Survey drilled through 2,860 feet of ice before making the discovery. —British Antarctic Survey (@BAS_News) February 15, 2021The Filchner-Ronne ice shelf is a massive floating ice sheet that stretches out from Antarctica. An annotated satellite image of the Filchner-Ronne ice shelf. Google Maps/InsiderThe Filchner-Ronne ice shelf is the second-biggest ice shelf in Antarctica.
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