The study shows, 'despite an unprecedented decrease in carbon emission, there was an increase in atmospheric CO2 concentration, which followed a pattern similar to previous years.' Temperature is shown to lead CO2 changes by about 6 months to a year.
This study is not without precedent. Another analysis of the temperature-CO2 phase relation for 1980-2012 indicated 'changes in atmospheric CO2 are not tracking changes in human emissions' and 'changes in global atmospheric CO2 are lagging 9.5-10 months behind changes in global air surface temperature.'
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Other studies: German climatologist Professor Dr. Horst-Joachim Ludecke recently took data from two independent studies and superimposed them. The result also showed the long claimed atmospheric CO2-global temperature doesn't exist.
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The first data set was of atmospheric CO2 going back 600 million years taken from a paper by Came and colleagues.
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The second data set was of atmospheric CO2 also going back 600 million years, taken from a published study by Robert Berner.
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The plots were combined to see how well they correlated, if at all. The result: no correlation. For example, 150 million years ago the atmospheric CO2 concentration was over 2000 ppm, which is 5 times today's atmospheric concentration of 410 ppm- a level that some climate scientists say is already 'dangerously high.' Yet, the global temperature 150 million years ago was more than 2C below the long term mean. 450 million years ago the relationship was even far more on its head: atmospheric CO2 concentrations were more than 10 times today's level, yet the global temperature was a frigid 3.5C below the mean. “There's no correlation between earth temperature and CO2,” Prof. Ludecke concludes.
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W. J. Davis also concluded that changes in atmospheric CO2 concentration did not cause temperature change in the ancient climate, which findings, he adds, corroborate the earlier conclusion based on study of the Paleozoic climate that global climate may be independent of variations in atmospheric carbon dioxide concentration.'
“There should be no more doubt regarding the ineffectiveness of atmospheric CO2 to control or drive climate change. It is simply nothing more than a bit player, whose influence has been continually overestimated by climate alarmists. The big question is whether or not 500 million years of these data will convince them otherwise.”
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