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Behind the Ice Curtain - Antarctic treaty talks conceal looming bird flu catastrophe

Always closed to media and the public, and held in a different country each year, this tightly guarded session was convened by 29 states in Helsinki, Finland, over May and June 2023. Countries like Australia, China, the US, South Africa and Russia discussed the 1959 treaty’s usual objectives —...

United-states , Monaco , China , Spain , South-africa , South-korea , Russia , New-zealand , India , France , Antarctica , United-kingdom

Expedition trapped in sea ice can tell us about Antarctica

Those aboard the Belgica meticulously recorded their location, the thickness of the sea ice and the weather., data is proving invaluable.

Antarctica , Argentina , Belgica , Libertador-general-bernardoo-higgins , Chile , United-states , Australia , Belgium , Norway , United-kingdom , Norwegian , Australian

The limits of ice: What a 19th-century expedition trapped in sea ice for a year tells us about Antarctica's future

The limits of ice: What a 19th-century expedition trapped in sea ice for a year tells us about Antarctica's future
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

Belgica , Libertador-general-bernardoo-higgins , Chile , Belgium , United-kingdom , Australia , Argentina , United-states , Antarctica , Norway , Great-britain , America

19th Century Sea Ice Expedition Sheds Light on Antarctica's Future

19th Century Sea Ice Expedition Sheds Light on Antarctica's Future
miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.

Norway , Antarctica , Chile , United-kingdom , Australia , Argentina , Belgica , Libertador-general-bernardoo-higgins , United-states , Belgium , Australian , America

The limits of ice: what a 19th century expedition trapped in sea ice for a year tells us about Antarctica's future

In 1898, a pioneering Antarctic expedition was stuck in sea ice for over a year. In 2024, that area is open water.

Antarctica , Belgica , Libertador-general-bernardoo-higgins , Chile , Australia , United-kingdom , Norway , Argentina , United-states , Belgium , Great-britain , Australian

The limits of ice: what a 19th century expedition trapped in sea ice for a year tells us about Antarctica's future

In 1897, the former whaling ship RV Belgica left Antwerp in Belgium and set sail due south. It was the first voyage of what would become known as the

Argentina , United-states , Belgium , United-kingdom , Antarctica , Belgica , Libertador-general-bernardoo-higgins , Chile , Australia , Norway , America , Great-britain

Skeptical Science New Research for Week #13 2024

Open access notables
A survey of interventions to actively conserve the frozen North, van Wijngaarden et al., Climatic Change:

Paris , France-general- , France , Japan , Hyogo , Hokkaido , Kersa , Amara , Ethiopia , South-africa , Chile , Sudan

Progressive unanchoring of Antarctic ice shelves since 1973

Mass loss of the Antarctic Ice Sheet has been driven primarily by the thinning of the floating ice shelves that fringe the ice sheet1, reducing their buttressing potential and causing land ice to accelerate into the ocean2. Observations of ice-shelf thickness change by satellite altimetry stretch back only to 1992 (refs. 1,3–5) and previous information about thinning remains unquantified. However, extending the record of ice-shelf thickness change is possible by proxy, by measuring the change in area of the surface expression of pinning points—local bathymetric highs on which ice shelves are anchored6. Here we measure pinning-point change over three epochs spanning the periods 1973–1989, 1989–2000 and 2000−2022, and thus by proxy infer changes to ice-shelf thickness back to 1973–1989. We show that only small localized pockets of ice shelves were thinning between 1973 and 1989, located primarily in the Amundsen Sea Embayment and the Wilkes Land coastline. Ice-shelf thinning spreads rapidly into the 1990s and 2000s and is best characterized by the proportion of pinning points reducing in extent. Only 15% of pinning points reduced from 1973 to 1989, before increasing to 25% from 1989 to 2000 and 37% from 2000 to 2022. A continuation of this trend would further reduce the buttressing potential of ice shelves, enhancing ice discharge and accelerating the contribution of Antarctica to sea-level rise. Pinning-point changes over three epochs spanning the periods 1973–1989, 1989–2000 and 2000−2022 were measured, and by proxy the changes to ice-shelf thickness back to 1973–1989 were inferred.

Amundsen-sea , Oceans-general- , Oceans , Antarctica , Moscow , Moskva , Russia , Dronning-maud , Bellingshausen-sea , Weddell-sea , Moscow-university , Us-geological

In The Ice: The USS Glacier (AGB-4) in Antarctica

In The Ice: The USS Glacier (AGB-4) in Antarctica
usni.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from usni.org Daily Mail and Mail on Sunday newspapers.

South-africa , London , City-of , United-kingdom , Bismarck , Limpopo , New-zealand , United-states , Russia , Admiralty-bay , New-zealand-general- , Wellington

Cracks in the ice: A continental shift in Antarctica

The continent is recording new lows in sea ice and new highs in temperature. Penguins are seeing record die-offs. What else is the ice telling us? Take a look.

Eagle-island , Queensland , Australia , India , Antarctica , United-kingdom , United-states , Delhi , America , British , Australian , Thamban-meloth