The 60-year solar modulation of global air temperature: the Earth’s rotation and atmospheric circulation connection |
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| Authors: | A Mazzarella |
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| Institution: | (1) Meteorological Observatory, Department of Geophysics and Volcanology, University of Naples Federico II, Naples, Italy |
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| Abstract: | 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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