Diabytes
Antarctic ice sheet News
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The lake, which measures nearly 62 square miles, was discovered more than a decade ago through satellite images but has never before been explored.
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The discovery may be a step ahead in explaining why sea ice in the southern hemisphere has been on the rise despite warming of the rest of the Earth.
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The Antarctic already today contributes to the annual sea level rise with 0.4 millimetres, as per scientific findings.
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The canyon system is made up of a chain of winding and linear features buried under several kilometres of ice in one of the last unexplored regions of the Earth's land surface - Princess Elizabeth Land (PEL) in East Antarctica.
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The NASA study challenges the oft-repeated findings of the United Nation's panel on climate change, the Inter-Governmental Panel on Climate Change (IPCC) that forecast a grim future for the melting ice sheets of the Antarctic.
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According to the analysis of satellite data, the Antarctic ice sheet showed a net gain of 112 billion tonnes of ice a year from 1992 to 2001.
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A new NASA study has revealed that the mass gains of Antarctic Ice Sheet is currently adding enough ice to the continent to outweigh the increased losses from its thinning glaciers.
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Using computer modelling, the researchers simulated the ice sheet's response to a warming climate under a range of greenhouse gas emission scenarios.
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