The Antarctica suffered the greatest ice loss of the last three decades, according to observations made by the National Aeronautics and Space Administration (NASA). Until now, many believed that the interior of Antarctica remained resistant to global warming, and that even in certain places there were signs of a cooling.
In 2005, the west of the "White Continent" experienced the largest melting of the ice in three decades, since observations have been made with satellites, they reported. The discovery was released by the Jet Propulsion Laboratory, California, which collaborates with researchers at the University of Colorado in measurements and in the interpretation of satellite data.
The team recorded the snowfall and the accumulation and melting of ice in Antarctica and Greenland from July 1999 to the same month of 2005. Thus it was learned that the retreat of the ice occurred 900 kilometers inland, at high latitudes , 500 kilometers from the South Pole and about 2,000 meters high. In these places the "melting has been very rare" compared to previous times, according to experts. Air temperatures were unusually high, reaching 5 degrees at one point, and hovering above freezing for a week.
"The Antarctica It had not shown signs of warming in the past except in the Antarctic Peninsula, but now large regions are showing the first signs of the impact of warming, as interpreted by this satellite analysis, ”said Konrad Steffen of the University of Colorado.
"Increased thaw could have a impact to larger scale if it is serious and is maintained over time ”, he added. In this way, the strong retreat of the ice can cause the layers to break off and flow into the ocean, increasing sea levels. It is worth remembering what has been said by UN specialists regarding global warming, who agree that temperatures will continue to rise this century and that, if measures are not taken, this will have disastrous consequences for the world.
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