✉news ScienceScience first seen 9 h ago, last 7 h ago, peak #18
Huge Sea Ice Hole in Antarctica Explained
Original: A Vast Hole Almost The Size of Portugal Opened Up in Antarctica's Winter Sea Ice. Now We Know Why.
A massive open-water hole, or polynya, nearly the size of Portugal opened in Antarctica's winter sea ice, and scientists now say they understand its cause. Researchers point to a combination of ocean circulation and storm activity lifting warm deep water to the surface, keeping the area ice-free even in freezing conditions.
Why now: New scientific research has just explained the formation of an unusually large and rare hole in Antarctic sea ice.
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Evidence
- A Vast Hole Almost The Size of Portugal Opened Up in Antarctica's Winter Sea Ice. Now We Know Why. · sciencealert.com
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