Alberta researcher says sea ice in Antarctica lowest since 1986: ‘It’s serious, it’s really bad’

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A Calgary researcher, who has spent the last eight months in Antarctica studying sea ice, says he has seen first-hand how big an effect climate change has had in the region.

FILE - This satellite image provided by NASA, shows icebergs that formed through an ice shelf collapse. Dozens of Antarctica’s ice shelves, floating extensions of glaciers, showed significant shrinking between 1997 and 2021, a study published Thursday, Oct. 12, 2023, found.

“We actually came knowing we wouldn’t have a lot of sea ice, because it’s been really warm,” Nandan said in a phone interview from Rothera Research Station on Adelaide Island, nearly 1,900 kilometres south of the Falkland Islands.“We came in where we had the lowest sea ice on record over the past many decades, so we didn’t have sea ice much and we had really thin ice in the winter.”

Nandan did similar research a few years ago in the central Arctic Ocean, when he was on an icebreaker for a year in an extended examination of global warming from a vantage point close to the North Pole. “Sea ice is white in colour and reflects most of the sunlight that is hitting it,” he said. “If you don’t have enough sea ice, that means there’s a lot of open ocean, which is actually absorbing most of the sunlight.”

 

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