Greenland’s melting ice is now the primary cause of the Earth’s Sea level rise

Greenland’s melting ice is now the primary cause of the Earth’s Sea level rise, according to NASA.

According to a study published on Monday, Greenland’s melting ice sheet will lead to major sea level rise even without any additional global warming.

If humans do not act fast to reduce global warming, sea levels will rise rapidly over the next century, and could eventually swamp land that is currently home to hundreds of millions of people, if we do not take action to halt it. A rise in sea levels will be caused mainly by melting ice sheets in Greenland and Antarctica.

A NASA study found that Earth’s oceans are currently being swollen as a result of the Greenland ice sheet, with the Arctic region heating faster than the rest of the world.

Greenland's melting ice is now the primary cause of the Earth's Sea level rise
Greenland’s melting ice is now the primary cause of the Earth’s Sea level rise

Researchers found that despite future fossil fuel pollution, the Greenland ice sheet will shed 3.3 percent of its volume to date, causing sea levels to rise 27.4 centimeters as a result.

Researchers said that sea level rise could occur in most cases by 2100, indicating that current sea level rise projections may be understating the risks.

As the lead author of the study, Jason Box, from the National Geological Survey of Denmark and Greenland, pointed out, the “shocking” results are also a low estimate because they do not account for future warming.

For more commitment, he said, the climate only needs to continue warming around Greenland.

According to the study, if the high melting levels of 2012 were to continue, the sea level rise would be 72 cm, sufficient to flood low-lying areas and exacerbate floods.

Taking into consideration Greenland’s trajectory through a 21st century of warming, these findings are ominous.

Global warming experts predict that by 2100, the Greenland ice sheet will contribute up to 18cm to sea level rise under the most severe scenario of greenhouse gas emissions.

According to Box, whose team wrote that report, the estimates could be too low.

Greenland's melting ice is now the primary cause of the Earth's Sea level rise
Photo : NASA

To predict how the Greenland ice sheet will adjust to the warming already experienced, Box and colleagues used two decades of measurements and observational data instead of computer models.

Throughout the upper areas of the ice sheet, snowfall adds mass every year, but ice loss has exceeded ice gain since the 1980s, resulting in an ice budget deficit.

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