An influence of solar irradiance variations on Earth’s surface climate has been suggested as the mechanism which causes (and has caused) climatic variability in the Northern Hemisphere, notably the recent spell of cold winters (and also could have accounted for the Little Ice Age.
See the BBC report below:
Recent cold winters that brought chaos to the UK and other places in northern Europe may have their roots in the Sun's varying ultraviolet emissions.
A UK scientific team now shows in Nature Geoscience journal how these changes lead to warmer winters in some places and colder winters in others.
The researchers emphasise there is no impact on global warming.
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Other linked reports/blogs:
http://www.newscientist.com/blogs/shortsharpscience/2011/10/solar-lows-cause-extreme-europ.html
http://www.bbc.co.uk/news/science-environment-15202668
Other linked reports/blogs:
http://www.newscientist.com/blogs/shortsharpscience/2011/10/solar-lows-cause-extreme-europ.html
http://www.bbc.co.uk/news/science-environment-15202668
