A team of scientists is planning to dig up ice dating back more than 100,000 years in Greenland, to shed light on how global warming will change the world over the next century.
A team of scientists is planning to dig up ice dating back more than 100,000 years in Greenland, to shed light on how global warming will change the world over the next century.
According to a report in The Times, the ice, at the bottom of the Greenland ice sheet, was laid down at a time when temperatures were 3 degree Celsius to 5 degree C warmer than they are today.
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Drilling will start in northern Greenland during the summer in an international project involving researchers from 18 countries to extract ice cores covering the Eemian Period.
The Eemian began 130,000 years ago, ending 15,000 years later, and is the most recent time in the Earth's past when temperatures resembled those that can be expected if greenhouse gas emissions are not brought under control.
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Fragments of organic matter can offer details about animals and plants alive when the ice formed, while particles of dirt can indicate forest fires, tundra fires and volcanic activity.
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According to Lars Berg Larsen, of the University of Copenhagen, which is leading the project, "We are looking into this period to find out what happens to the climate if you get 3 to 5 degrees warmer."
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The research team is hopeful of seeing ice not only from the whole Eemian, but the years preceding it as well, which could hold clues to what prompted the temperature to start rising.
Researchers also hope that the chemical traces hidden in the ice up to 8,340ft below the surface will reveal how the Greenland ice sheet responded to the higher temperatures.
This will have implications for sea level rises in the coming century. If the ice sheet melts entirely, seas would be expected to rise by 21ft.
Source-ANI
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