How does this affect man-made global warming theories?
Answer:
I guess all those SUV's on Mars caused it's polar caps to recede. Perhaps Algore should pay Mars a visit
Not at all. Weather and climate are two different things.
Not at all. For starters that's an example of unusual (extreme) weather which could be attributed to global warming. However, isolated weather events tell you nothing about global warming.
The conclusion that global warming deniers arrive at from this article is 'it's cold in Buenos Aires, therefore global warming isn't happening'. This is simply absurd, as we've directly measured global warming:
http://www.cru.uea.ac.uk/cru/info/warmin...
Then there's this. I'll see your Buenos Aires and raise you the entire planet:
"2007 is expected to be hottest year on record"
http://www.iht.com/articles/2007/01/04/n...
And finally, another link which specifically addresses this issue:
http://gristmill.grist.org/story/2006/10...
It supports global warming theories. It however neither proves or disproves mans contribution to the phenomenon.
It doesn't. You can't base any theories of global warming on localized events. Global warming mainly takes into account average temperatures for the entire surface of the globe. Unusual events will happen but the average temperature will increase unless we reduce our CO2 emissions.
Totally irrelevent. The Southern Hemisphere is having winter right now. So they get some snow in an unusual location. In fact, global warming might be to blame for the cold front escaping so far from Antarctica. Global Warming does not require the entire planet simultaneously boil. It is an average that moves upward across vast areas. Some might get more precipitation in the form of snow, others turn to deserts. Earth has an extremely varied and complex surface that affects climate in complex ways, not all of which are fully understood. But dumping lots of CO2 into the atmosphere has an easy consequence to predict. Just look at Venus.
It has about the same impact as the Greek heat wave at the end of last month: http://www.channel4.com/news/articles/wo...
As others have said, no conclusions about global warming as a whole can be drawn from a single weather event in a single area.
Not at all. Global warming refers to the overall global AVERAGE increase in temperature, not to local or short term variations.
That's equally true of short term rises in temperature such as the recent heat wave in the western US. Such localized weather phenomenae are notrelevant one way or the other.
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