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Greenland ice sheet could fully melt after reaching specific tipping point [3.4 °C global mean warming], study finds

phys.org

Greenland ice sheet could fully melt after reaching specific tipping point, study finds

The researchers used modeling to simulate the impact of different climates on the surface mass balance. They found that when approximately 230 gigatons of ice is lost in a single year, corresponding to 60% of the surface mass balance compared to pre-industrial times, then this is the pivotal tipping point that could initiate a relatively rapid descent (geologically speaking, at 8–40,000 years) into complete loss of the Greenland ice sheet.

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