BBC News – West Antarctic Ice Sheet warming twice earlier estimate

http://www.bbc.co.uk/news/science-environment-20804192
23 December 2012 Last updated at 13:15 ET

By Matt McGrath Environment correspondent, BBC News

A “correlation map” suggests that unusually high warming is restricted to a region surrounding Byrd station

A new analysis of temperature records indicates that the Western Antarctic Ice Sheet is warming nearly twice as fast as previously thought.

US researchers say they found the first evidence of warming during the southern hemisphere’s summer months.

They are worried that the increased melting of ice as a result of warmer temperatures could contribute to sea-level rise.

The study has been published in the journal Nature Geoscience.

The scientists compiled data from records kept at Byrd station, established by the US in the mid-1950s and located towards the centre of the West Antarctic ice sheet (WAIS). …(more).

Global Climate Change http://courses.dce.harvard.edu/~envre130
Environment Ethics http://courses.dce.harvard.edu/~envre120

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