RollingThunder
Gold Member
- Mar 22, 2010
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Because you're a fool?Percent change. I saw that earlier. Started to compare it to the note about Arctic ice extents.
Obviously, there is a connection between temperature and CO2.
Obviously, the current rise has nothing to do with our position in the glacial timeline.
So, what point are you trying to make?
Why do I think this is another fools errand?
A 7 to 10degC change in temperature during the glacials is accompanied by a CO2 delta of only 200 to 280ppm (40%).. While the Modern Era sees a CO2 change of 280 to 400ppm (43%) Should produce about the same warming by your simple ass climate model..
It's a real shame that you're so retarded, fecalhead, otherwise you'd be able to see the obvious. The 7 to 10 degree temperature increases between the glacial periods and the interglacial periods and the 80-100ppm rise in CO2 levels that produced those temperature increases both happened over thousands of years. Mankind has increased CO2 levels by over 120ppm in only a little over a century. The Earth's temperatures have not yet had time to come into an equilibrium with the drastically increased CO2 levels. The last time in Earth's history that CO2 levels were this high and were sustained at these levels for some time, temperatures were "7 to 10deg" hotter. It just takes some time for temperatures to catch up with the 'forcing' produced by the extra CO2.
Last time carbon dioxide levels were this high: 15 million years ago, scientists report
UCLA Newsroom
By Stuart Wolpert
October 08, 2009
(excerpts)
You would have to go back at least 15 million years to find carbon dioxide levels on Earth as high as they are today, a UCLA scientist and colleagues report Oct. 8 in the online edition of the journal Science. "The last time carbon dioxide levels were apparently as high as they are today — and were sustained at those levels — global temperatures were 5 to 10 degrees Fahrenheit higher than they are today, the sea level was approximately 75 to 120 feet higher than today, there was no permanent sea ice cap in the Arctic and very little ice on Antarctica and Greenland," said the paper's lead author, Aradhna Tripati, a UCLA assistant professor in the department of Earth and space sciences and the department of atmospheric and oceanic sciences.
Levels of carbon dioxide have varied only between 180 and 300 parts per million over the last 800,000 years — until recent decades, said Tripati, who is also a member of UCLA's Institute of Geophysics and Planetary Physics. It has been known that modern-day levels of carbon dioxide are unprecedented over the last 800,000 years, but the finding that modern levels have not been reached in the last 15 million years is new.
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