‘Precipitous’ decline in Antarctic sea ice since 2014
Concern over increase in global heating as data shows dramatic development
![Antarctic ice melting has increased rapidly since 2012](https://cdn.mos.cms.futurecdn.net/JXsDgCgkq9a5U2CCPnXqRU-415-80.jpg)
There are fears of an increase in global heating after satellite data showed sea ice around Antarctica has suffered a “precipitous” fall since 2014 and fallen at a faster rate than seen in the Arctic.
The data show that Antarctica lost as much sea ice in four years as the Arctic lost in 34 years. The Guardian explains that “losing bright white sea ice means the sun’s heat is instead absorbed by dark ocean waters, leading to a vicious circle of heating”.
New Scientist says scientists are “puzzled as to why the region has flipped so abruptly”. Time adds that experts “don’t know if this is a natural blip that will go away or more long-term global warming that is finally catching up with the South Pole”.
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![https://cdn.mos.cms.futurecdn.net/flexiimages/jacafc5zvs1692883516.jpg](https://cdn.mos.cms.futurecdn.net/flexiimages/jacafc5zvs1692883516-320-80.jpg)
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Antarctic sea ice had been gradually increasing over the 40 years of measurements. Although it reached a record maximum in 2014, since then sea ice extent has nosedived, reaching a record low in 2017.
The impact of this could be profound for the planet. The losses of sea ice in the Arctic are already believed to have had a major impact on the global climate system. They have been widely linked to extreme weather at lower latitudes, such as recent heatwaves in Europe.
Claire Parkinson, at Nasa’s Goddard Space Flight Center in the US, says the decline at the Antarctic has been precipitous and a dramatic reversal.
“We don’t know if that decrease is going to continue,” she said. “But it raises the question of why [has it happened], and are we going to see some huge acceleration in the rate of decrease in the Arctic? Only the continued record will let us know.”
“The Arctic has become a poster child for global warming,” she said, adding: “All of us scientists were thinking eventually global warming is going to catch up in the Antarctic.”
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