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🇦🇺 Australia /Environment & Climate

Antarctic ice loss 'the size of France' sparks climate concerns

From ABC Australia · () English

Translated from English, summarized and contextualized by DistantNews.

At a glance

News Sources not specified Outcome reported
  • Scientists are concerned about a massive loss of winter sea ice in Antarctica's Bellingshausen Sea, an area the size of France.
  • Satellite images show the region is largely ice-free, raising fears it may never reform due to warming ocean waters.
  • The decline in sea ice impacts marine ecosystems and could have global consequences, including effects on sea level rise.

A significant expanse of winter sea ice, estimated to be roughly the size of France, is conspicuously absent from the Bellingshausen Sea on the west side of Antarctica. Scientists monitoring the region express deep concern that this ice may never reform, citing the influence of warming ocean conditions.

It is concerning, absolutely.

— Dr. Will HobbsA sea ice researcher at the University of Tasmania, commenting on the scale of the missing ice.

Satellite images from June reveal that the Bellingshausen Sea, typically covered in ice during this period, remains largely ice-free. This dramatic reduction, affecting approximately 650,000 square kilometers, has prompted researchers to question the future of winter ice formation in the area. Dr. Will Hobbs, a sea ice researcher at the University of Tasmania, described the situation as "concerning, absolutely."

I think it's likely the ocean conditions now will not support very much winter sea ice.

— Dr. Will HobbsExplaining the potential reasons for the lack of ice formation in the Bellingshausen Sea.

Dr. Hobbs highlighted the Bellingshausen Sea's unique oceanographic characteristics, noting its relatively warm temperatures and its close proximity to warming ocean waters moving southward. These factors, he explained, contribute to the significant loss of land ice in the region and likely play a role in the diminished sea ice cover. "I think it's likely the ocean conditions now will not support very much winter sea ice," he stated.

I don't think we're going to see a whole lot form there anymore.

— Dr. Will HobbsExpressing pessimism about the future of winter sea ice formation in the region.

While some ice might appear later in the season, Dr. Hobbs anticipates it will be ice drifting in from elsewhere rather than newly formed local ice. He has observed the daily satellite images since April and finds the current decline unsurprising, though still alarming. The broader implications of this trend are significant, potentially impacting marine life, including vulnerable penguin populations, and contributing to sea level rise indirectly by affecting ice shelves. Physical oceanographer Edward Doddridge noted that such losses are becoming an expected pattern in a warming world.

It's not good news, but it has become a pattern that we're expecting now.

— Edward DoddridgeA physical oceanographer commenting on the trend of sea ice loss.
DistantNews Editorial

Originally published by ABC Australia in English. Translated, summarized, and contextualized by our editorial team with added local perspective. Read our editorial standards.

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