Latest News for: Antarctic journal

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Antarctica's ice shelves could be melting faster than we thought

Phys Dot Org 12 Aug 2022
The model accounts for an often-overlooked narrow ocean current along the Antarctic coast and simulates how rapidly flowing freshwater, melted from the ice shelves, can trap dense warm ocean water at the base of the ice, causing it to warm and melt even more ... the West Antarctic Peninsula (WAP).
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Researchers Warn of Melting Antarctic Ice Sheet

Beijing News 11 Aug 2022
SYDNEY - Australian and other scientists are warning that runaway climate change could melt the East Antarctic Ice Sheet, causing sea levels to rise by up to 5 meters. The research is published Thursday in the journal Nature ... The East Antarctic Ice Sheet holds the vast majority of world glacier ice.
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Ice shelves hold back Antarctica's glaciers from adding to sea levels, but they're crumbling

Phys Dot Org 11 Aug 2022
We found the Pine Island Glacier and the so-called "Doomsday" Thwaites Glacier—which could destabilize the entire West Antarctic ice sheet if it melts—are highly sensitive to calving, and are already increasing their contribution to sea level rise as their protective ice shelves crumbled ... Recent studies find previously unknown loss of Antarctic ice.
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Recent studies find previously unknown loss of Antarctic ice

Phys Dot Org 10 Aug 2022
One study, published in the journal Nature, maps how iceberg calving—the breaking off of ice from a glacier front—has changed the Antarctic coastline over the last 25 years ... This surprise finding doubles previous estimates of ice loss from Antarctic's floating ice shelves since 1997, from 6 trillion to 12 trillion metric tons.
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World must not wake ‘sleeping giant’ East Antarctic ice sheet, scientists warn

The Irish Times 10 Aug 2022
The fate of the East Antarctic ice sheet rests in the hands of humanity, a new analysis has shown ... If global heating is limited to 2 degrees, the vast East Antarctic ice sheet should remain stable, but if the climate crisis pushes temperatures higher, melting could drive up sea levels by metres.
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Monitoring polar ice melting by combining data from different satellites

Phys Dot Org 03 Aug 2022
As explained in their paper published in SPIE's Journal of Applied Remote Sensing, their goal was to obtain a more accurate map of the latest elevation changes in the Antarctic ice sheet as well as validate their data analysis methods ... Journal of Applied Remote Sensing (2022).
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Troubling new research shows warm waters rushing towards the world's biggest ice sheet in Antarctica

Phys Dot Org 03 Aug 2022
Warmer waters are flowing towards the East Antarctic ice sheet, according to our alarming new research which reveals a potential new driver of global sea-level rise. The research, published today in Nature Climate Change, shows changing water circulation in the Southern Ocean may be compromising the stability of the East Antarctic ice sheet.
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Study reveals 60 million years of penguin evolution

Phys Dot Org 19 Jul 2022
Professor Richard Phillips, a seabird ecologist at British Antarctic Survey, who is a co-author on the study, says that "although when most people think of penguins, they picture them ... doi.org/10.1038/s41467-022-31508-9 Journal information ... Provided by British Antarctic Survey.
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Tropical storms trigger Antarctic ice melt

Phys Dot Org 13 Jul 2022
New factors have been identified which contribute to record-high temperatures and ice melt over the eastern Antarctic Peninsula and Larsen C Ice Shelf ... These long stretches of warm, moist air result in extreme high temperature events and ice melt when they move over the Antarctic Peninsula ... 10.1038/s41467-022-31119-4 Journal information.
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Simulations show Antarctica's only insect is at risk due to global warming

Phys Dot Org 08 Jul 2022
A team of researchers affiliated with a host of institutions in the U.S., working with colleagues from the British Antarctic Survey, Natural Environment Research Council and the University of Johannesburg, has found evidence suggesting that warming temperatures could be putting the Antarctic midge at risk of extinction.
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New Ozone Hole Has Been Discovered Over The Tropics – And It's Huge

IFL Science 05 Jul 2022
Advertisement ... This latest ozone hole, reported in the journal AIP Advances, is said to be seven times the size of the Antarctic ozone hole ... Advertisement ... The Antarctic ozone hole has a seasonal cycle, losing the most O3 in September and October, but this later replenishes before the cycle begins again ... Advertisement.
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Antibiotics from plastics! Study reveals use of microplastics in water bodies. Read here | Mint

Live Mint 18 Jun 2022
Few weeks ago, scientists for the first time found microplastics in freshly fallen snow in Antarctic. The scientists published their findings in The Cryosphere journal, where they have warned that the microplastics in the freshly fallen snow of Antarctic would only accelerate the process of melting of ice.
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These fish live in sub-freezing waters. Why are so many getting sick?

Phys Dot Org 14 Jun 2022
But now, Antarctic fish face a new threat ... William Detrich, professor emeritus of biochemistry and marine biology, and his 2018 Antarctic field research team, discovered a new disease that afflicted a substantial number of fish belonging to two different species, reported in a paper published in the journal iScience ... Journal information.
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‘We beg God for water’: Chilean lake turns to desert, sounding climate change alarm

FX Empire 13 Jun 2022
Ozone depletion and greenhouse gasses in the Antarctic, meanwhile, exacerbate weather patterns that draw storms away from Chile, according to a study https.//journals.ametsoc.org/view/journals/clim/19/12/jcli3774.1.xml on variables affecting Antarctic weather.
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'We beg God for water': Chilean lake turns to desert, sounding climate change alarm

Yahoo Daily News 13 Jun 2022
Ozone depletion and greenhouse gasses in the Antarctic, meanwhile, exacerbate weather patterns that draw storms away from Chile, according to a study https.//journals.ametsoc.org/view/journals/clim/19/12/jcli3774.1.xml on variables affecting Antarctic weather.

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