Surprisingly large hole found in Arctic’s most stable ice

A hole was discovered in the Arctic's oldest ice, previously thought stable. A May 2020 storm near Ellesmere Island caused a crack, forming a polinia. This open water area, usually ice-covered, was 30 km wide and 100 km long. The study highlights the ice's vulnerability, affecting species like walruses and seabirds. The polinia closed by May 26, 2020, but future occurrences may increase.

What significant event occurred in the Arctic in May 2020?

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Describe the characteristics of the polinia that formed in May 2020.

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What does the study published in the Nature of Geoscience emphasize about Arctic ice?

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How do melting ice and newly opened areas of ocean water affect Arctic species?

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What warning did the study's lead author give regarding polinas in the future?

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