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http://iopscience.iop.org/1748-9326/8/4/045022
http://iopscience.iop.org/1748-9326/8/4/045022
Environmental Research Letters Volume 8 Number 4
T Sloan and A W Wolfendale 2013 Environ. Res. Lett. 8 045022 doi:10.1088/1748-9326/8/4/045022
Cosmic rays, solar activity and the climate
OPEN ACCESS FOCUS ON HIGH ENERGY PARTICLES AND ATMOSPHERIC PROCESSES
T Sloan1 and A W Wolfendale2
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Although it is generally believed that the increase in the mean global surface temperature since industrialization is caused by the increase in green house gases in the atmosphere, some people cite solar activity, either directly or through its effect on cosmic rays, as an underestimated contributor to such global warming. In this letter a simplified version of the standard picture of the role of greenhouse gases in causing the global warming since industrialization is described. The conditions necessary for this picture to be wholly or partially wrong are then introduced. Evidence is presented from which the contributions of either cosmic rays or solar activity to this warming is deduced. The contribution is shown to be less than 10% of the warming seen in the twentieth century.
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- Issue 4 (December 2013)Received 10 July 2013, accepted for publication 21 October 2013Published 7 November 2013
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- Cosmic rays, solar activity and the climateT Sloan and A W Wolfendale 2013 Environ. Res. Lett. 8 045022
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