environment · 3 outlets · 3 linked reports
Antarctic Sea Ice Rebounds Slightly — but Scientists See a 'Structural Change'
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Summary
- Antarctic summer sea ice bottomed at about 996,000 square miles on Feb 26, 2026 — a partial rebound from four unusually low years, yet still ~100,000 sq mi below the 1981–2010 average.
- Researchers warn of a 'structural change': when Antarctic ice drops to extreme lows, it no longer bounces back as readily as it once did.
- A University of Southampton study tied earlier record lows to warm, salty deep water surfacing and wiping out ice the size of Greenland.
The question
Antarctica's sea-ice system has shifted into a new, less stable regime.
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