Ice is now melting four times faster in Greenland than it did in 2003, according to recently published climate-change research by an Ohio State University scientist. 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. Even more, global warming is now causing the so-called "safe" ice sheets across both Greenland and Antarctica to melt.
The study also found between 2003 and 2013, Greenland suffered the biggest sustained loss of ice in this region.
The key finding from their study is that South West Greenland, which previously had not been considered a serious threat, will likely become a "major future contributor" to sea level rise.
"By limiting greenhouse gas emissions we will limit warming, and thus also limit how rapidly and intensely Greenland affects our coastal communities through sea level rise", Trusel said. One example is the pace at which sea levels are rising in the Earth's polar regions.
Arctic ice loss has tripled since the 1980s, with melting in places such as Greenland and Alaska providing the greatest instigator of sea level rise while destabilising the very ground underneath four million people's feet.
"The only thing we can do is adapt and mitigate further global warming - it's too late for there to be no effect", Bevis said, adding "we are watching the ice sheet hit a tipping point".
Antarctica is becoming an increasing concern, however, with ice vanishing at its fastest rate in recorded history. Researchers studying sea level rise often focus on Greenland's southeast and northwest regions, home to large glaciers which see large icebergs break off and flow into the Atlantic Ocean, CNN reported.
"This is going to cause additional sea level rise".
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"Whatever this was, it couldn't be explained by glaciers, because there aren't many there", said Michael Bevis, lead author of the paper, Ohio Eminent Scholar and a professor of geodynamics at The Ohio State University.
The reason for this is the bad impact of humanity on the Earth leading to an acceleration of warming in the atmosphere.
Scientists believe global warming is to blame - and the findings could have serious implications for coastal USA cities including NY and Miami, as well as island nations particularly vulnerable to rising sea levels.
Coastal cities around the world could sink under the seas in a much faster timescale than previously feared. Then the NAO went briefly and dramatically positive, coinciding with the ice loss pause, before dipping negative again.
But since the southwest part of the ice sheet is devoid of glaciers, the melting must be happening via another mechanism: A warmer atmosphere would melt the ice more inland, and the resulting water would run off into the ocean. Data from these satellites showed that between 2002 and 2016, Greenland lost approximately 280 gigatons of ice per year, equivalent to 0.03 inches of sea level rise each year. And furthermore, this effect could not be made, at least partially, even in the case of a stop of global warming will be reversed.
The North Atlantic Oscillation is an irregular movement of air currents, and it tends to bring warm air to Greenland.
This melting is largely due to global warming which is amplifying a natural weather phenomenon, known as the North Atlantic Oscillation (NAO) - a large-scale alternation of atmospheric mass between subtropical high surface pressure, centered on the Azores, and subpolar low surface pressures, centered on Iceland.