The Antarctic is melting even in the middle of subzero winter

The Antarctic is melting even in the middle of subzero winter
Summer melting on the Ross ice shelf

Summer melting on the Ross ice shelf

Colin Harris / era-images / Alamy Stock Photo

The average winter temperature on the Antarctic peninsula is a chilly -15°C. Yet automated instruments on the Larsen C ice shelf have recorded extensive surface melting even during the long, dark winter.

When wind blows over high mountains, the descending air can warm by several degrees. On the Antarctic peninsula, this phenomenon – known as a foehn wind – can sometimes raise air temperature above zero. This was known to happen during summer but has now been found to be occurring …

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New Scientist – Earth

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