Antarctica (science)

‘doomsday Glacier’ May Be More Stable Than Initially Feared

The world’s largest ice sheets may be in less danger of sudden collapse than previously predicted, according to new findings led by the University of Michigan. The study, published in Science, included simulating the demise of West Antarctica’s...

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Ozone Pollution Has Increased In Antarctica

Ozone is a pollutant at ground level, but very high in the atmosphere's 'ozone layer,' it absorbs damaging ultraviolet radiation. Past studies have examined ozone levels in the Southern Hemisphere, but little is known about levels of the molecule in...
Related topics: Ozone

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The Most Ancient Ice In The Alps Will Be Preserved In Antarctica

The Ice Memory international mission on Monte Rosa has been accomplished. After working for five days at 4,500 meters in the accumulation zone of the Grenzgletscher, the glacier saddle of Colle Gnifetti, scientists extracted three shallow ice cores...

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Pacific Islanders Likely Found Antarctica First: Study

Polynesian seafarers likely reached Antarctica hundreds of years before the Western explorers usually credited with discovering the frozen continent, a new study has concluded.

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Pine Island Glacier's Ice Shelf Is Ripping Apart, Speeding Up Key Antarctic Glacier

For decades, the ice shelf helping to hold back one of the fastest-moving glaciers in Antarctica has gradually thinned. Analysis of satellite images reveals a more dramatic process in recent years: From 2017 to 2020, large icebergs at the ice...
Related topics: Antarctic, Satellites, Space, Icebergs

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Earth Now Has A 5th Ocean, According To National Geographic, Which Upgraded The Status Of The...

Icebergs on the Weddell sea, part of the Southern ocean. Wolfgang Kaehler/LightRocket via Getty Images National Geographic said on Tuesday it will be adding a fifth ocean to its maps. The Southern Ocean is the second-smallest ocean and surrounds...
Related topics: Icebergs

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Antarctica: How Have Temperatures Varied Since The Last Glacial Period?

Antarctica has experienced significant temperature changes, especially since the last glacial period. An international collaboration has now challenged previously accepted estimates of these variations, using new measurements. Their study highlights...

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Māori Connections To Antarctica May Go As Far Back As 7th Century

Over the last 200 years, Antarctic narratives have been of those carried out by predominantly European male explorers. However, a research project led by Manaaki Whenua—Landcare Research and Te Rūnanga o Ngāi Tahu researchers looked into the...
Related topics: Antarctic

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Tipping Elements Can Destabilize Each Other, Leading To Climate Domino Effects

Under global warming, tipping elements in the Earth system can destabilize each other and eventually lead to climate domino effects. The ice sheets on Greenland and West Antarctica are potential starting points for tipping cascades, a novel network...
Related topics: Global Warming

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South Pole And East Antarctica Warmer Than Previously Thought During Last Ice Age, Two Studies Show

Glaciologists analyzed Antarctic ice cores to understand the continent's air temperatures during the most recent glacial period. The results help understand how the region behaves during a major climate transition.
Related topics: Antarctic

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Māori View On Antarctica's Future

The inclusion of Māori and other Indigenous philosophies in the conservation management of Antarctica is the theme of an article co-written by Māori philosopher Associate Professor Krushil Watene.

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This Is Currently The World’s Largest Iceberg

A gigantic chunk of ice recently broke off from an ice shelf in Antarctica, and is currently the world’s largest iceberg. The iceberg, dubbed A-76, measures around 4,320 square km (1,670 square miles) in size. At 170 km (106 miles) in length and...
Related topics: Icebergs

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Pandemic-era Paleontology: A Wayward Skull, At-home Fossil Analyses And A First For Antarctic...

Researchers at the University of Washington have discovered the first fossil evidence of an ancient amphibian, Micropholis stowi, from Antarctica. Micropholis lived in the Early Triassic, shortly after Earth's largest mass extinction. It was...
Related topics: Paleontology, Fossils, Antarctic, Scientific Discoveries

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World's Largest Iceberg Breaks Off Of Antarctica

The chunk of ice is larger than the state of Rhode Island -- Read more on ScientificAmerican.com
Related topics: Icebergs

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Image: Meet The World's Largest Iceberg

An enormous iceberg has calved from the western side of the Ronne Ice Shelf, lying in the Weddell Sea, in Antarctica. The iceberg, dubbed A-76, measures around 4320 sq km in size—currently making it the largest berg in the world.
Related topics: Icebergs

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Why Is Future Sea Level Rise Still So Uncertain?

Three new papers in the last couple of weeks have each made separate claims about whether sea level rise from the loss of ice in West Antarctica is more or less than you might have thought last month and with more or less certainty. Each of these...

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Mid-latitude Glaciers On Mars Could Supply Water To Human Explorers

By Earth standards, the surface of Mars is the picture of desolation. It's not only irradiated and cold enough to make Antarctica look balmy, but it's also one-thousands times drier than the driest places on Earth. However, beneath the super-arid...
Related topics: Mars, Space

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This Is The Coldest Place On Earth. It Is Minus 102 Degrees.

It is minus 102 degrees Fahrenheit in Amery Antarctica, the coldest place in the world.

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100-meter Asteroid Created A Strange Impact Event In Antarctica 430,000 Years Ago

The effects of ancient asteroid impacts on Earth are still evident from the variety of impact craters across our planet. And from the Chelyabinsk event back in 2013, where an asteroid exploded in the air above a Russian town, we know how devastating...
Related topics: Asteroids, Space

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Current Climate Model Simulations Overestimate Future Sea-level Rise

The current climate model simulations, which do not take ocean eddies into account, project that the ocean temperatures around Antarctica are increasing under climate change. The new high-resolution simulation shows quite different behavior and some...

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