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Antarctica is gaining more ice than it loses, says new NASA study

Antarctica is gaining more ice than it loses, says new NASA study

Fortunately, Antarctica is increasing its ice level faster than it is decreasing.

A team of NASA scientists examined by satellite images the altitude of the ice sheet and they concluded that the increase is favorable. The methods used to reach this conclusion are worthy of recognition, but this finding generated conflicts between investigations of more than a decade.

Antarctica is almost the same size as the United States and Mexico combined, but the changes in ice level are not uniform. As a result, some places raise their ice level and others decrease.

Much of the scientific staff agree that melting ice is increasing in the Antarctic Peninsula and parts of West Antarctica. While in the eastern and lower parts of the continent the ice is increasing. As a result, scientists clarify that the increase is greater than the loss in the rest of the Antarctic region.

The net increase in ice means that Antarctica does not contribute to sea-level rise, it could also be of great help to compensate for the loss of ice in Greenland and various glaciers on the planet.

 

Professionals believe that the increase in snowfall, which started more than 10,000 years ago, maybe the reason for the increase in ice in Antarctica. Over the years, the snow accumulated and compacted in large quantities, to finally form ice.

From 1992 to 2001, snowfall increased by 101 billion metric tons of ice per year, but this number decreased to 74 billion from 2003 to 2008.

However, It doesn’t seem like good news for our climate.

The creators of that study mentioned that the increase in ice loss in West Antarctica and the peninsula decreases profits and there would be large net losses in the next 20 years.

Ice loss in Antarctica is currently believed to contribute nearly 8% to rising ocean levels. Finally, this level of increase is very noticeable at high tides in coastal cities.

If this study is not mistaken, Antarctica does not contribute to sea-level rise. This means that scientists underestimate the impact of other causes of rising levels, such as melting in Greenland and warming oceans.

Source: CNN

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Written by Noroman

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