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Q.

What are the after effects of Iceland volcano emissions ?

Tags: health, education, science
Asked by Ram Raj, 21 Apr '10 09:22 am
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Answers (1)

 
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Watching the enormous plumes of dust and ash rising from Eyjafjallajokull, it is hard to imagine that this almost week-long eruption would not have any effect on weather and climate. But that is the likelihood; that the impact on Britons, Europeans and the citizens of the wider world will be limited to cancelled flights, with no other effects on the skies.
Volcanoes produce tiny particles - aerosols - which have a net cooling effect on the world because they reflect solar energy back into space. They also produce carbon dioxide, a greenhouse gas. Historically, the cooling has outweighed the warming. The 1991 eruption of Mount Pinatubo in The Philippines lowered global temperatures by about 0.4-0.5C - but Eyjafjallajokull, dramatic as it looks, is simply not in that league.
"Icelandic scientists have made a first estimate of the volume of material ejected, and it's about 140 million cubic metres," says Mike Burton from Italy's National Institute of Geophysics and Vulcanology.
"That's ...more
Answered by Dinesh Manaktala, 21 Apr '10 09:31 am

 
  
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