Until Recently Scientists Believed Climate Change Has Been Melting Antarctic Glaciers. Now They Do Not.
By Kenneth Richard on 6. September 2021
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According to a new study, 36% of 1979-2017 Antarctic ice loss was from the Thwaites and Pine Island glaciers. Scientists believed this glacier melt was due to anthropogenic climate change “until recently”. Now they say the glacier mass losses are due to the thin underlying crust and anomalously high geothermal heat in this region.
We’ve recently learned that “profound” cooling has been occurring for East Antarctica since the 1970s, and cooling (-1.68°C since 1979) has also extended to West Antarctica.
Another new study indicates Antarctica contributed just 0.76 of a centimeter to sea level rise from 1992-2017, or 0.3 of a millimeter per year. Also, comparing 1997-2008 to 2009-2018, there has been a net advance in the ice extent for Antarctica during 2009-2018.
“Until recently, experts attributed these changes to climate change”
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