Science

Unprecedented hole opened up in Antarctic winter sea ice

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 06/10/2026, 19:20:26 UTC.

Briefings

A 2026 Nature article reports that atmospheric rivers in Antarctica maintained a sea ice hole roughly the size of Portugal during winter. This finding challenges previous assumptions about ice stability in the region. The study provides a snapshot of conditions at the time of publication, though specific measurements are not detailed in the provided text.

Key points

• Atmospheric rivers in Antarctica maintained a sea ice hole roughly the size of Portugal during winter.

Context

This finding challenges previous assumptions about ice stability in the region, as atmospheric rivers are typically expected to melt ice rather than preserve it.

Limitations

The evidence is limited to a single Nature article from October 2026. Specific measurements, dates, and locations are not detailed in the provided text, and the study does not include long-term data or comparative analysis.

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