Surface warming by the solar cycle as revealed by the composite mean difference projection

  title={Surface warming by the solar cycle as revealed by the composite mean difference projection},
  author={Charles David Camp and Ka Kit Tung},
  journal={Geophysical Research Letters},
  • C. Camp, K. Tung
  • Published 1 July 2007
  • Physics
  • Geophysical Research Letters
By projecting surface temperature data (1959–2004) onto the spatial structure obtained objectively from the composite mean difference between solar max and solar min years, we obtain a global warming signal of almost 0.2°K attributable to the 11‐year solar cycle. The statistical significance of such a globally coherent solar response at the surface is established for the first time. 
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