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While volcanic eruptions have been known to cool the global climate, the findings suggest that they can also speed up the melting of ice sheets.Ice sheets may melt rapidly as a result of volcanic eruptions thousands of miles away, warns new research.The team also compared the varves to cores from the Greenland ice sheet, whose layers contain a record of ancient atmospheric conditions.
It's basic science.'But no one so far has been able to demonstrate this direct link between volcanism and ice melting when it comes to ancient climates.'The discovery comes from the cross-sections of deposits, called glacial varves, most of which had been collected in the 1980s and 1990s.Ice sheets may melt rapidly as a result of volcanic eruptions thousands of miles away, according to a new study.Scientists who analysed ice cores and meltwater deposits found that eruptions caused 'immediate and significant' melting of the ice sheet.The final stage of deglaciation converged on present day ice cover around the Scandes mountains and the Barents Sea by 8.7 ka BP, although the phase-lagged isostatic recovery still continues today.Copyright © 2006 Ellin Beltz Looking for pictures and links to glaciers? My Northeastern Illinois University Earth Science #315 students contributed words and definitions to this Class Project in Spring 2000. I have received very helpful comments to update it.