Paper: Influence of solar cycles on climate change during th

[scpg02]

Paper: Influence of solar cycles on climate change during the Maunder Minimum

Both observational and proxy records of climate change often show quasi periodic variations similar to solar activity cycles over a wide range of time scales. However, the detailed mechanism and the extent of the influence of solar activity on climate change have not been clearly understood. Although the exact role of each of solar parameters on climate change has not been quantitatively clarified, several possible mechanisms are proposed; such as the forcing through total (e.g. Lean et al., 1995) and spectral irradiance (e.g. Haigh 1996; Kodera and Kuroda, 2005), solar wind (e.g. Tinsley, 1996) and the galactic cosmic rays (Friis-Christensen and Svensmark, 1997; Svensmark, 2007). Among these parameters related to solar activity, galactic cosmic rays possess characteristic variations depending on the polarity of solar dipole magnetic filed as shown in Figure 1.

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wattsupwiththat.com/2014/09/29/new-paper-influence-of-solar-cycles-on-climate-change-during-the-maunder-minimum/

[nautonnier]

New paper(s) discussed at WUWT: A Comparison Of The Efficacy Of Greenhouse Gas Forcing And Solar Forcing Would seem to be in support of your reference. The system proposed when modeled even shows 'The Pause'.

From the post (my bold):


"A crude forcings model has been developed that matches almost perfectly (R2 = 0.89) the National Oceanic and Atmospheric Administration (NOAA) temperature series from 1880 to 2010. This model is compared to and performs much better over this period than the United Kingdom Met Office’s (HadGEM2) contribution to the CMIP5 (R2 = 0.16). It is concluded, by implication that the efficacy of a GHG forcing is likely to be considerably lower than the efficacy of a similar sized solar forcing."

"The physics behind the model is based on the established fact that the oceans are opaque to long wave GHG energy but are very transparent to short wave solar energy. This implies that GHG energy is returned to the atmosphere and space very quickly as latent heat of evaporation while solar energy is effectively absorbed to a depth of many meters with consequent delays in equilibrium at the Top of the Atmosphere (TOA)."