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Ice Sheets Affect Corals
By Wendy Heller, April 24, 2009 @ 01:00 AM (EST)
Source: Sciencedaily.com

Fossilised corals from tropical Tahiti show that the behaviour of ice sheets is much more volatile and dynamic than previously thought.

Analysis of the corals suggests that ice sheets can change rapidly over just hundreds of years – events associated with sea level rises of several metres over the same period. It also shows that a natural warming mechanism thought to be responsible for ending ice ages does not fit the timing of the end of the penultimate ice age, around 137,000 years ago. 

A report of the research appears online in the journal Science on April 23...



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