‘Drastic’ Antarctic melt could double global sea-level rise

‘Drastic’ Antarctic melt could double global sea-level rise

‘Drastic’ Antarctic melt could double global sea-level rise

Written by Staff Writer

31 Mar, 2016 | 6:49 am

Global sea levels could rise by more than double the current best estimate, according to a new analysis of climate change in Antarctica.

Scientists behind a new study published in the journal Nature used sophisticated computer models to decipher a longstanding riddle about how the massive, mostly uninhabited continent surrendered so much ice during previous warm periods on Earth. They found that similar conditions in the future could lead to monumental and irreversible increases in sea levels.

If high levels of greenhouse gas emissions continue, they concluded, oceans could rise by close to two meters in total by the end of the century.

By 2500, according to the study, the same source could cause levels across the world to rise by 13m.

The authors say that rapid cuts in carbon emissions could limit this risk.

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