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Zombie ice is expected to increase sea levels rise by more than twice as predicted.

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Greenland’s melting ice sheet is likely to raise the global sea levels by a minimum of 10.6 inches (27 centimetres) -more than two times more than previously predicted, according to an analysis published on Monday.

This is due to something that’s known as frozen zombie ice. This piece of dying ice is still linked to more significant regions of ice and isn’t being replenished by glaciers of the parent that are seeing less snow. Without replenishment, this ice will soon be melting due to climate change. According to the study’s coauthor William Colgan, a glaciologist at the Geological Survey of Denmark and Greenland, it will undoubtedly raise sea levels.

An iceberg floats in Baffin Bay in the Arctic Ocean on July 20, 2022 near Pituffik, Greenland. Kerem Yucel/AFP via Getty

“It’s dead ice. It’s just going to melt and disappear from the ice sheet,” Colgan declared during an interview. “This glacier has been relegated to the sea, no matter the current climate (emissions) situation we choose to take.

The study’s lead writer Jason Box, a glaciologist at the Greenland survey, said that it could be “more like one foot in the grave.”

The inevitable ten inches of the study is more than double the rising sea level scientists previously anticipated due to Greenland’s Ice Sheet melting. The study published in Nature Climate Change said it could be as high as thirty inches (78 centimetres). In contrast, last year’s Intergovernmental Panel on Climate Change report predicted an interval of 2 to five inches (6 to 13 centimetres) for a likely sea level rise due to Greenland melting of ice before 2100.

Icebergs are seen through a window of an airplane carrying NASA scientists as they fly on a mission to track melting ice in eastern Greenland on Aug. 14, 2019. Mstyslav Chernov/AP

What the scientists did for their study was examine the ice’s equilibrium. When it’s in peace, the snowfall in the mountains of Greenland can flow down and recharges the glaciers’ sides to balance out the melting along the edges. However, in the past few decades, there’s been less replenishment and melting, causing an imbalance. The study’s authors examined the proportion of what’s added to the lost amount and found that 3.3 per cent of Greenland’s ice volume is likely to melt regardless of what happens to the world, reducing carbon emissions, Colgan said.

“I think starving would be a good phrase” for what’s happening with the ice, Colgan said.

One of the authors of the study stated that more than 120 trillion tonnes (110 trillion tonnes) of ice are at risk of melting due to the melting of the ice sheet’s ability to replenish its borders. If that ice melts and turns into water, it would be 37 feet (11 meters) deep if concentrated just over that portion of the United States.

The numbers are an average of the world’s sea level rise. However, areas further from Greenland will see more rise, while those closer to Greenland, like that of the U.S. East Coast, would see less. While 10.6 inches might not seem like much, more than storms and high tides increasing the severity of batteries, this rising sea level “will have huge societal, economic and environmental impacts,” said Ellyn Enderlin, Geosciences instructor at Boise State University. The latter did not participate in the study.

Kerem Yucel/AFP via Getty

“This is a huge loss and will have a detrimental effect on coastlines around the world,” said NYU’s David Holland, who just returned from Greenland and isn’t included in the study.

For the first time, scientists have estimated a minimum loss in ice and the accompanying sea level rise for Greenland, one of the two enormous ice sheets which are shrinking slowly due to the warming climate caused by burning oil, coal, as well as natural gas. Researchers used a well-known method to calculate the minimal committed loss of ice. This method is the one that’s used by mountain glaciers across the vast frozen island.

Pennsylvania State University glaciologist Richard Alley, who was not involved in the study, said it was logical and that the committed melting and rising sea levels are similar to an ice cube placed in a hot tea cup in a warm place.

Meltwater flows from the Greenland ice sheet into the Baffin Bay. Kerem Yucel/AFP via Getty

“You have committed mass loss from the ice,” Alley stated through an email. “In the same way, most of the world’s mountain glaciers and the edges of Greenland would continue losing mass if temperatures were stabilized at modern levels because they have been put into warmer air just as your ice cube was put in warmer tea.”

Time is the main to this study, and it’s a little bit of a problem in the study, according to two scientists who are not ice scientists from outside, Leigh Stearns of the University of Kansas and Sophie Nowicki from the University of Buffalo. Researchers in the study claimed they could not determine the exact timing of the melting committed, but in the final paragraph, they say, “within this century.” Still, without substantiating the claim, Stearns said.

Colgan stated that the team isn’t sure what time it will take for all that likely to melt ice and, while making an informed guess, it would likely happen by the close of the century or, at a minimum, by the year 2150.

Colgan stated that this is the best-case scenario. 2012 (and in a different way, the year 2019 ) was a significant melt year, in which the equilibrium between subtracting and adding ice was out of balance. Suppose Earth begins to experience more years similar to 2012. He said Greenland melt might trigger up to thirty inches (78 centimetres) of sea level rise. The scientist noted that these two years appear extreme today, but the years that appear normal today were revolutionary fifty years earlier.

“That’s how climate change works,” Colgan explained. “Today’s outliers become tomorrow’s averages.”

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