On the relationship between global, hemispheric and latitudinal averaged air surface temperature (GISS time series) and solar activity

The air surface temperature is a basic meteorological parameter and its variation is a primary measure of global, regional and local climate changes. In this work, the global, hemispheric and latitudinal averaged air surface temperature time series, obtained from the NASA/Goddard Institute for Space...

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Veröffentlicht in:Journal of atmospheric and solar-terrestrial physics 2012, Vol.74, p.87-93
Hauptverfasser: Souza Echer, M.P., Echer, E., Rigozo, N.R., Brum, C.G.M., Nordemann, D.J.R., Gonzalez, W.D
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Sprache:eng
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Zusammenfassung:The air surface temperature is a basic meteorological parameter and its variation is a primary measure of global, regional and local climate changes. In this work, the global, hemispheric and latitudinal averaged air surface temperature time series, obtained from the NASA/Goddard Institute for Space Studies (GISS), and the Sunspot Number ( R z ) for the interval 1880–2005, are decomposed in frequency bands through wavelet multi-resolution analysis. We have found a very low correlation between global, hemispheric and latitudinal averaged air surface temperature and R z in the 11 yr solar cycle band (8–16 years) from ∼1880 to ∼1950. Afterwards the correlation is higher. A very significant correlation ( R ∼0.57 to 0.80) is found in the ∼22 yr solar Hale cycle band (16–32 years) with lags from zero to four years between latitudinal averages air surface temperature and R z . Therefore it seems that the 22 yr magnetic field solar cycle might have a higher effect on Earth's climate than solar variations related to the 11 yr sunspot cycle. ► Relationship between solar activity and air surface temperature was studied. ► R z and hemispheric and latitudinal air surface temperature series were used. ► The 11 and 22 year solar signals have distinct signatures for different regions. ► It was found that the 22 yr signal may have a higher influence on surface temperature.
ISSN:1364-6826
1879-1824
DOI:10.1016/j.jastp.2011.10.002