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New study finds Antarctica ice cap melting steadily
The melting ice cap is caught in a loop, the ice that melts becomes a part of the warmer water and in turn, eats away at the remaining ice. The rate also increased while Antarctica lost 30 ft of ice in 1995-2003, it now lost the same in 2003-2007
ACCORDING TO a new online research paper that is based on satellite imaging, published in the journal Nature, the ice cap of Antarctica in some places, is losing its thickness by 30 ft a year since 2003. The culprit for the melt in the ice sheets is reportedly warmer water, that eats away the ice.
 
The melting ice cap is said to be caught in a loop, the ice that melts becomes a part of the warmer water and in turn, eats away at the remaining ice. The rate of melting has also increased; while Antarctica lost 30 ft of ice in thickness between 1995 to 2003, the process speeded up to five years from 2003 to 2007.
 
The effect, apart from western Antarctica, is also being seen in the ice sheets near Greenland, with the sheer speed with which they are retreating negating the most optimistic views regarding the situation and global climate change and giving fresher support to the pessimistic voices.
 
The study which was based on 50 million laser readings from NASA satellite images, has also said that 81 out of the 111 glaciers in Greenland that were also surveyed, are thinning at an accelerating, self-feeding pace.
 
"To some extent it's a runaway effect. The question is how far will it run?" said the study's lead author, Hamish Pritchard of the British Antarctic Survey.
 
The study however, does not answer the question of how much this melting ice cap, would lead to rise in the ocean water, the repercussion of that risen level of ocean water and the further effect on global warming.
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