The 60-year solar modulation of global air temperature: the Earth’s rotation and atmospheric circulation connection
First Online: 28 August 2006 Received: 17 February 2005 Revised: 16 August 2005 Accepted: 22 January 2006 DOI:
Cite this article as: Mazzarella, A. Theor. Appl. Climatol. (2007) 88: 193. doi:10.1007/s00704-005-0219-z Summary
Spectral analysis of geomagnetic activity, global air temperature, Earth’s rotation rate and zonal circulation, when smoothed from secular trend and periods shorter than 23 years, shows a concentration of energy around the 60-year period explaining more than 80% of the entire variance. This information has enabled the set-up of a cascade physical model that integrates the Sun-atmosphere-Earth system as a single unit and ties solar corpuscular radiation to global warming through Earth’s rotation and atmospheric circulation. Our results suggest that changes in geomagnetic activity, and in the Earth’s rotation, could be used as long- and short-term indicators, respectively, of future changes in global air temperature.
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