‘Global Warming Is Causing Increased Snowfall In Antarctica’, New Study

Antarctica has seen a “significant” change in ice mass following increased snowfall during the 20th century which has mitigated rising sea levels, researchers say.

NASA and British Antarctic Survey (BAS) scientists said analysis of 53 ice cores from across the continent showed that the snowfall had stopped seas rising by 10mm.

However, they said the additional ice mass gained from the snowfall only makes up for about a third of Antarctica’s overall ice loss.

BAS ice core scientist Dr Liz Thomas: “Sea-level rise is an urgent issue affecting society and there is still uncertainty about what contribution comes from Antarctica.

“Our new results show a significant change in the surface mass balance [from snowfall] during the 20th century.

“The largest contribution is from the Antarctic Peninsula, where the annual average snowfall during the first decade of the 21st century is 10% higher than at the same period in the 19th century.

However, researchers said the increases in snowfall did not contradict observations of mass ice loss in western Antarctica, where they contribute to about 14% of sea-level rise around the world.

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The post ‘Global Warming Is Causing Increased Snowfall In Antarctica’, New Study appeared first on The Global Warming Policy Forum (GWPF).

via The Global Warming Policy Forum (GWPF)

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December 11, 2018 at 11:13AM

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