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Monday, April 12, 2021

Over 28 trillion tonnes of ice has disappeared from the Earth’s surface

A group of UK scientists has found that about 28 trillion tonnes of ice has disappeared from the Earth’s surface from 1994.

The review paper that was published in the journal Cryosphere Discussions by Leeds and Edinburgh universities and University College London’s scientists said that the investigated satellite surveys of glaciers, mountains, and ice sheets within 1994 and 2017 to recognise the result of global warming.

Warming Greenland ice sheet

Talking about the disappearing of the large quantity of ice from the surface, the group discovered that melting glaciers and ice sheets could create sea levels to increase dramatically, by the end of the century it is likely to reach a meter (3 feet).

Professor Andy Shepherd, director of Leeds University’s Center for Polar Observation and Modelling talking to the Guardian said, “Every centimetre of sea-level increase implies of a million people will be displaced from their low-lying homelands”.

A large amount of ice loss could have many other critical results, along with major disturbance to the biological condition of Arctic and Antarctic waters. It may also reduce the planet’s capacity to reflect solar radiation back to space.

The most critical forecasts published by the United Nation’s Intergovernmental Panel on Climate Change (IPCC), the scientists have confirmed.

Shepherd adding said to the Guardian,”In the past, scientists have studied individual areas like the Antarctic or Greenland where the ice is melting.”
He says,”this is the first time ever anyone has observed the ice that is disappearing from the entire planet.”

The group of scientist said, “There can be little uncertainty that the immense majority of Earth’s ice loss is a primary result of climate warming.”

The research paper came after the researchers at Ohio State University identified that Greenland’s ice sheet that disappeared would not return.

As per the researchers, snowfall that supplies the country’s glaciers every year can not continue to keep up with the speed of ice melt, that is the Greenland ice sheet will lose ice level despite the rise in global temperatures.

The Greenland ice sheet is identified as the second-largest ice body in the world.

In a press release, Michalea King, lead author and researcher at Ohio State University’s Byrd Polar and Climate Research Center said, “What we’ve found is that the ice that’s discharging into the ocean is far surpassing the snow that’s accumulating on the surface of the ice sheet”. As per the study of NASA, 2010-2019 was the warmest that have ever recorded.

Approximately 40 years of satellite data from Greenland reveal that glaciers on the island have no longer seen. The disappeared glaciers in Greenland are may cause problems for the whole planet.

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