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Australian Climate Madness

Sunday, September 13, 2009

Shock: The Age concedes sun may affect climate!

Sunday madness, as The Age publishes a non-alarmist climate article, almost acknowledging that low solar activity coincides with cooler climatic conditions. Hope you're all sitting down for this:
THE number of sunspots has declined dramatically in the past two years - but scientists say it is too early to tell if it is the start of a solar depression that could lead to cooler weather on Earth.

Over the past millennium, whenever the sun has had long periods of low sunspot numbers, Earth has weathered equally long cold snaps. The most famous of these was the Maunder Minimum of 1645 to 1715, when sunspots all but vanished for 70 years. It coincided with the coldest period of the Little Ice Age. [Excuse me while I just pick myself up from the floor. The Age acknowledges that solar activity may be linked to climate, and the existence of the LIA! - Ed]

For the past two years, sunspots - dark and intensely magnetic blotches on the sun's surface - have been at their fewest since 1913.

''This is the quietest sun we've seen in almost a century,'' said NASA solar forecaster David Hathaway. ''Since the space age began in the 1950s, solar activity has been generally high … We're just not used to this type of deep calm.''

Sunspots cause other solar activity such as solar flares and coronal mass ejections, radiation from which can interfere with Earth's magnetic field, upper atmosphere and, many scientists believe, climate.

Scientists expect to record 290 spotless days this year. Last year, there were 266, the most spotless days since 1913, when there were 311 recorded.

''People are wondering about whether we're going into another Maunder Minimum or not,'' said Iver Cairns, of the University of Sydney's School of Physics. ''The balance of opinion is that it's too early to tell. But it could be very significant.''

However, they still can't resist the inevitable alarmist remark:
Monash University's Paul Cally said that if a cooling period were to begin it would be interesting to see how it affected the global warming being caused by high greenhouse gas levels. ''We haven't been in this situation in historical periods before.''

Note there is no "may be" in that highlighted sentence… of course not, the science is settled, right? Even so, a surprisingly balanced article (for once).

Read it here.

1 Comments:

  • Another few years of relative solar inactivity and ongoing research at CERN (the CLOUD experiment) will demolish AGW and with it green credibility for decades to come.

    By Blogger Ayrdale, At September 14, 2009 at 10:18 AM  

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