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Greenhouse theory smashed by biggest stone
A new theory to explain global warming was revealed at a meeting at the University of Leicester (UK) and is being considered for publication in the journal "Science First Hand". The controversial theory has nothing to do with burning fossil fuels and atmospheric carbon dioxide levels. According to Vladimir Shaidurov of the Russian Academy of Sciences, the apparent rise in average global temperature recorded by scientists over the last hundred years or so could be due to atmospheric changes that are not connected to human emissions of carbon dioxide from the burning of natural gas and oil.
Shaidurov explained how changes in the amount of ice crystals at high altitude could damage the layer of thin, high altitude clouds found in the mesosphere that reduce the amount of warming solar radiation reaching the earth's surface.
Shaidurov has used a detailed analysis of the mean temperature change by year for the last 140 years and explains that there was a slight decrease in temperature until the early twentieth century. This flies in the face of current global warming theories that blame a rise in temperature on rising carbon dioxide emissions since the start of the industrial revolution. Shaidurov, however, suggests that the rise, which began between 1906 and 1909, could have had a very different cause, which he believes was the massive Tunguska Event, which rocked a remote part of Siberia, northwest of Lake Baikal on the 30th June 1908.
The Tunguska Event, sometimes known as the Tungus Meteorite is thought to have resulted from an asteroid or comet entering the earth's atmosphere and exploding. The event released as much energy as fifteen one-megaton atomic bombs. As well as blasting an enormous amount of dust into the atmosphere, felling 60 million trees over an area of more than 2000 square kilometres. Shaidurov suggests that this explosion would have caused "considerable stirring of the high layers of atmosphere and change its structure." Such meteoric disruption was the trigger for the subsequent rise in global temperatures.
Originally posted by Sparkie the Wondersnail
Besides disturbing the atmosphere, has the Tungusa event produced any other noticable changes like pressure on the surface, or pushing us at a slightly different tilt?
Originally posted by ShadowXIX
Tunguska caused some strange effects. Attempts to apply carbon-14 dating to the soil have produced dates "in the future" the soil was somehow enriched in radioactive carbon-14.
One of the still unexplained phenomena of Tunguska that have never been convincingly explained.
Originally posted by byhiniur
Yes... very interesting... totally unbelievable.
The problem of global warming was flagged up almost a century before Tunguska.
Originally posted by Zion Mainframe
You are quite right about that.
But the thing is, we have been recording global temperatures since the end of the "small ice age" (the coldest period of the past 10,000 yrs), so it's quite logical you see a rising trend in global temperatures.
Originally posted by Zion Mainframe
Originally posted by soficrow
Shadow - can you tell us more about this radioactive carbon-14? Any links? Analyses or speculations?
Are you suggesting the Tunguska event was not caused by a meteorite, but rather an unacknowledged American attack on Russia or something like that?
Originally posted by Beachcoma
Some of the weirder theories I've heard on the Tunguska event involve anti-matter comets