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Ice loss in Antarctica has increased sixfold since 1979: survey



Tampa, USA – Global warming melts the ice in Antarctica faster than ever – about six times a year now than it had 40 years ago – which

Antarctic melting has already lifted the world's sea levels by more than half an inch (1.4 centimeters) between 1979 and 2017, according to a report from the National Academy of Sciences (PNAS). The melting point is expected to lead to a catastrophic rise in sea level in the years to come, according to lead author Eric Rinyo, president of Earth Sciences at the University of California, Irvine.

"As the Antarctic ice sheet continues to melt, we expect a multi-million-dollar rise in Antarctica over the next centuries," Rhyton said.

A 1

,8-meter (6-foot) rise to 2100, as some scientists have predicted in the worst scenario of flooding many coastal cities that are home to millions of people around the world, according to previous research.

For this study, researchers have started the longest-lasting assessment of Antarctic ice. [1806003] The data is derived from high-resolution aerial photographs taken from NASA planes, along with satellite radar from many space agencies.

Researchers have found that between 1979 and 1990 Antarctica has shed an average of 40 billion tonnes

In the years from 2009 to 2017, ice loss has increased more than sixfold to 252 billion tonnes per year .

Even more worryingly, researchers have found that areas that were once considered "stable and immune" Changing in Eastern Antarctica also weakened, the study said.

The Wilks Land Sector in Eastern Antarctica , in general, has always been an important player in mass loss, even as far back as the 1980s, as our study shows, Rigoth says.

"This region is likely to be more climate sensitive than traditionally supposed, and it is important to know because it holds more ice than Western Antarctica and the Antarctic Peninsula together."

The ice in Antarctica, if everything melted, would be enough to raise the sea level by 187 feet (57 feet).

So far most ice in Antarctica is concentrated to the east, where enough sea ice has climbed 170 feet high at sea level, compared to about 17 feet across the ice of the Western Antarctic.

The East Antarctic ice sheet is the largest in the world, containing approximately half of the fresh waters of the Earth.

So far, most studies have shown that most of the melting happens in the West. A remarkable study published in Nature in June last year found that Antarctic ice melting has tripled since 1992 but has not shown significant melting in the east.

Subsequent study published in Nature in September 2018 analyzed layers of ocean floor sediments deposited last time when Wilkes Creek Subsidiary, part of the Eastern Antarctic, is located south of Australia melting about 125,000 years.

This study found that the massive basin would begin to melt again, with a steady rise in temperature of only two degrees Celsius (Fahrenheit 3,6), the ceiling required in the Paris weather deal to prevent the treadmill Global Warming.

The latest research shows that the melting of Eastern Antarctica deserves "more attention," according to the PNAS report.

Warming up ocean water will only speed up the loss of ice in the future, and experts say sea levels will continue to rise for centuries, no matter what one is going to do now to limit climate change.

Research has shown that the oceans are warming faster than previously thought by setting new heat records over the past few years.


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