"The bottom line of this study is that Greenland has hit a tipping point in terms of its melting point".
Data collected by NASA's twin Gravity Recovery and Climate Experiment (GRACE) suggests Greenland lost an approximate 280 gigatons of water a year between 2002 and 2016. For one, Greenland's sensitivity to the NAO highlights just how vulnerable ice is to a slight uptick in air temperatures, a finding with clear implications at a time when the Arctic is warmingincredibly quickly.
However, the rate of ice loss across the island was far from steady. In a previous study, glaciologists at the Woods Hole Oceanographic Institution (WHOI) concluded that melting in Greenland's ice sheet "has gone into overdrive", showing that it is unprecedented in the last 400 years.
The patterns they found show an alarming trend - by 2012, ice was being lost at almost four times the rate which prevailed in 2003, researchers said.
The scientists found that the ice is disappearing four times faster than it was in 2003 - and a decent lump of that acceleration is happening in southwest Greenland.
When in a particular ("negative") phase, the NAO enhances summertime warming and the solar radiation that reaches the Earth's surface, while reducing snowfall - especially in western Greenland.
"The only thing we can do is adapt and mitigate further global warming..."
Enormous glaciers in Greenland are depositing ever larger chunks of ice into the Atlantic ocean, where it melts. It's because the atmosphere is, at its baseline, warmer.
Even more, both Southwest Greenland and Eastern Antarctic Ice Shelf were deemed as safe regions, not affected by global warming and ice sheet meltdown.
And a big part of the global ice melt issue is the ice of southwest Greenland, which is definitely a point scientists did not think was melting as fast as it is. Essentially, the study confirms that the warming of the Earth's atmosphere (and oceans) is definitely occurring at a rate faster than what scientists had thought. If the ice on the world's largest island is melting more quickly than previous realized, that spells trouble.
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