Astronomical Society of Australia Warns of Global Cooling

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Astronomical Society of Australia
Warns of Global Cooling
 

Note the caption under the diagram:
"The sunspot number should now stand close to 100,
instead it is zero."


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1 Jul 08 - "The level of activity on the Sun will significantly diminish sometime in the next decade and remain low for about 20 - 30 years," said Ian Wilson, lead author of a study appearing in the June issue of PASA, Publications of the Astronomical Society of Australia.

A 2005 prediction of solar activity. The sunspot number
should now stand close to 100, instead it is zero.


The result is a strong, rapid pulse of global cooling, said Wilson. "On each occasion that the Sun has done this in the past the World’s mean temperature has dropped by ~ 1 - 2 C.”
 
"A 2 C drop would be twice as large as all the warming the earth has experienced since the start of the industrial era, and would be significant enough to impact global agriculture output."

                We're talking about a Little Ice Age here.

The study identified a "spin-orbit coupling" affecting the rotation rate of the sun. That rotation, in turn, is linked to the intensity of the solar cycle and climate changes here on Earth.


                I mention this 178.7-year cycle in "Not by Fire but by Ice" -
                and say that the next beat of the cycle is due - except that I
                refer to it as the solar retrograde cycle.

See entire article:
http://www.dailytech.com/Australian+Astronomical+Society+Warns+of+Global+Cooling/article12 250.htm
Thanks to Norm Smith in Chilliwack, BC and George Fitzsimmons in Reno for this link

Here’s an animation (top-right) that shows the concept quite clearly: 
http://en.wikipedia.org/wiki/Center_of_mass#Animations

Earlier this year, astronomers from around the world noted that solar activity was suspiciously low. Some began predicting global cooling at that time.
See
http://www.dailytech.com/Solar+Activity+Diminishes+Researchers+Predict+Another+Ice+Age/article10630.htm

Two months ago, a team of German climatologists forecast that, due to "natural effects", global warming would halt for up to 15 years.
See http://www.dailytech.com/Researchers+Global+Warming+Halts+Until+2020/article11672.htm

 



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