Author Topic: New paper finds only ~3.75% of atmospheric CO2 is man-made from burning of fossil fuels  (Read 258 times)

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Offline rangerrebew

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Thursday, July 17, 2014

New paper finds only ~3.75% of atmospheric CO2 is man-made from burning of fossil fuels

A paper published today in Atmospheric Chemistry and Physics finds that only about 3.75% [15 ppm] of the CO2 in the lower atmosphere is man-made from the burning of fossil fuels, and thus, the vast remainder of the 400 ppm atmospheric CO2 is from land-use changes and natural sources such as ocean outgassing and plant respiration.

 According to the authors,

We find that the average gradients of fossil fuel CO2 in the lower 1200 meters of the atmosphere are close to 15 ppm at a 12 km × 12 km horizontal resolution.
The findings are in stark contrast to alarmist claims that essentially all of the alleged 130 ppm increase in CO2 since pre-industrial times is of man-made origin from the burning of fossil fuels, finding instead that only 15 ppm or ~11.5% of the increase is of fossil fuel origin. The findings cast additional doubt upon the IPCC carbon-cycle Bern Model, previously falsified by the atomic bomb tests.

 Furthermore, if use of fossil-fuels has contributed such a small part of total atmospheric CO2 levels, restricting use of fossil fuels will have little effect upon CO2 levels.

 Full paper open access:

Atmos. Chem. Phys., 14, 7273-7290, 2014
« Last Edit: July 19, 2014, 08:16:39 PM by rangerrebew »
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Online Oceander

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Not to rain on anyone's parade, but I don't think that's what the linked paper says.
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