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RE: Global warming increases UV?



Recent, rather unexpected, discoveries suggest that greenhouse gases are tending to cool the Arctic winter stratosphere, moving it toward the sort of polar ice cloud conditions that are responsible for the spring Antarctic ozone hole each year.



Some of the story can be found at 



<csmonitor.com/cgi-bin/durableRedirect.pl?/durable/2000/06/02/f-p2s1.html>



and



<www.nasa.gov/home/hqnews/2004/apr/HQ_04138_ozone_loss.html>



Best regards.



Jim Dukelow

Pacific Northwest National Laboratory

Richland, WA

jim.dukelow@pnl.gov



These comments are mine and have not been reviewed and/or approved by my management or by the U.S. Department of Energy.





-----Original Message-----

From: owner-radsafe@list.vanderbilt.edu on behalf of Kai Kaletsch

Sent: Fri 9/3/2004 6:57 PM

To: radsafe@list.vanderbilt.edu

Subject: Global warming increases UV?

 

There is a story on reuters (

http://www.reuters.com/newsArticle.jhtml?type=scienceNews&storyID=6147501 )

that essentially states that UV radiation will rise sharply in the arctic as

a result of global warming.



Could someone explain the mechanism to me?



Thanks,



Kai





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