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OKIsItJustMe

(19,938 posts)
Fri Feb 1, 2013, 06:56 PM Feb 2013

Increases in extreme rainfall linked to global warming

http://www.adelaide.edu.au/news/news58961.html
[font face=Serif][font size=5]Increases in extreme rainfall linked to global warming[/font]

Friday, 1 February 2013

[font size=3]A worldwide review of global rainfall data led by the University of Adelaide has found that the intensity of the most extreme rainfall events is increasing across the globe as temperatures rise.

In the most comprehensive review of changes to extreme rainfall ever undertaken, researchers evaluated the association between extreme rainfall and atmospheric temperatures at more than 8000 weather gauging stations around the world.

Lead author Dr Seth Westra said, "The results are that rainfall extremes are increasing on average globally. They show that there is a 7% increase in extreme rainfall intensity for every degree increase in global atmospheric temperature.

"Assuming an increase in global average temperature by 3 to 5 degrees Celsius by the end of the 21st century, this could mean very substantial increases in rainfall intensity as a result of climate change."

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http://journals.ametsoc.org/doi/abs/10.1175/JCLI-D-12-00502.1
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