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Long term relation between solar activity and surface temperature at different geographical regions

Published online by Cambridge University Press:  05 July 2012

M. P. Souza-Echer ,
W. D. Gonzalez ,
E. Echer ,
D. J. R. Nordemann  and
N. R. Rigozo
M. P. Souza-Echer
Affiliation:
National Institute for Space Research (INPE)S. J. Campos, SP, Brazil email: [email protected]
W. D. Gonzalez
Affiliation:
National Institute for Space Research (INPE)S. J. Campos, SP, Brazil email: [email protected]
E. Echer
Affiliation:
National Institute for Space Research (INPE)S. J. Campos, SP, Brazil email: [email protected]
D. J. R. Nordemann
Affiliation:
National Institute for Space Research (INPE)S. J. Campos, SP, Brazil email: [email protected]
N. R. Rigozo
Affiliation:
CRS, Santa Maria, RS, Brazil email: [email protected]
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Abstract

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Global suface temperature has showed a rise trend in the last 150 years. This has been mainly attributed to the anthropogenic induced grenhouse gases emissions. However, the role of natural processes is not completely understood and should not be underestimated. In this work, we compare the long term variability of solar activity (as quantified by the sunspot number) with several surface temperature series from different geographical regions (global, hemispheric and latitudinal ranges). The interval of analysis is 1880-2005. The data are analyzed with wavelet multiresolution technique. It has been found that the solar activity long term trend has a maximum around 1970, while air surface temperature series showed maximum (still rising) at 2005. There are differences in the long term trend for Northern and Southern hemispheres. These differences and the relation with solar activity are discussed in this work.

Keywords

Solar ActivityClimate ChangeSun Climate relation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S286: Comparative Magnetic Minima: Characterizing quiet times in the Sun and Stars , October 2011 , pp. 418 - 422
Copyright
Copyright © International Astronomical Union 2012

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