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Volume 15, issue 20
Atmos. Chem. Phys., 15, 11571–11592, 2015
https://doi.org/10.5194/acp-15-11571-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 15, 11571–11592, 2015
https://doi.org/10.5194/acp-15-11571-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 21 Oct 2015

Research article | 21 Oct 2015

Granger causality from changes in level of atmospheric CO2 to global surface temperature and the El Niño–Southern Oscillation, and a candidate mechanism in global photosynthesis

L. M. W. Leggett and D. A. Ball

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Cited articles

Adams, J. M. and Piovesan, G.: Long series relationships between global interannual CO2 increment and climate: Evidence for stability and change in role of the tropical and boreal-temperate zones, Chemosphere, 59, 1595–1612, 2005.
Attanasio, A. and Triacca, U.: Detecting human influence on climate using neural networks based Granger causality, Theor. Appl. Climatol., 103, 103–107, 2011.
Attanasio, A., Pasini, A., and Triacca, U.: Granger causality analyses for climatic attribution, Atmospheric and Climate Sciences, 3, 515–522, 2013.
Bacastow, R. B.: Modulation of atmospheric carbon dioxide by the southern oscillation, Nature, 261, 116–118, 1976.
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The previously expected linear relationship between atmospheric CO2 and climate variables including temperature is showing an increasing mismatch. This paper nonetheless provides fresh and possibly definitive support for a major relationship between CO2 and climate. Granger causality analysis provides evidence that change in level not level of CO2 primarily influences both global temperature and the El Niño–Southern Oscillation. The results may contribute to the prediction of future climate.
The previously expected linear relationship between atmospheric CO2 and climate variables...
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