[NatureNS] cause of unusual winter ?

From: ulli@dunlin.ca
To: naturens@chebucto.ns.ca
Date: Thu, 22 Mar 2012 17:11:07 -0300
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Just curious: Why do you think it is not related to global warming?

There is this misconception that "global warming" means it gets warmer everywhere.  It 
would better to refer to this phenomenon as climate change, as it is expected/accepted that 
even with the average increase of the global temperature by a few degrees we will see not 
everywhere an up in temperature.  

What is expected and can already be seen -if you want to- is a shift in weather patterns and 
climate zones.  

Warmer winters than usual in one place, caused by "global warming", go conform with colder 
winters than usual in other parts of the world.  Same applies to precipitation, where we likely 
will see new arid zones appearing, while former deserts may see a bit more precipitation than 
in the past, as well as to a shift in oceanic water current patterns.

As a result patterns and frequency of phenomenons like El Nino are very likely also 
influenced by all this, hence also under the influence of global warming/climate change.


Ulli
 
>   Just curious: Has anyone read anything about the possible causes of this year's very mild and generally snowless winter in North America? 
>    Clearly, it isn't global warming, as Eurasia had a very cold and snowy winter. You may remember news reports about the Danube River being choked with ice for much of its length, an unprecedented number of deaths --mainly of the homeless-- due to the frost in Eastern Europe, and villagers in the former Yugoslavia being snowed in for weeks. Etc., etc.
>    Is it the La Nina/El Nino phenomenon? Other ocean circulation fluctuations? Solar flares, or lack thereof?  
>    Dusan Soudek  


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