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| Paper: |
The Centennial Gleissberg Cycle: Origin and Forcing of Climate |
| Volume: |
484, Outstanding Problems in Heliophysics: From Coronal Heating to the Edge of the Heliosphere |
| Page: |
189 |
| Authors: |
Ruzmaikin, A.; Feynman, J. |
| Abstract: |
We discuss the origin of the Centennial Gleissberg Cycle (CGC) of solar activity and its forcing of the Earth's climate. The solar dynamo models, which explain the process of generating the 11-year cycle via the differential rotation and mean helicity, need to be extended to a non-linear regime that includes feedback processes. The strongest feedback on the centennial time scale is expected from the mean helicity. We advocate that the best way to see the response of the Earth's climate to the CGC forcing is to investigate the climate patterns, not the global temperature. There is anecdotal evidence of extreme low temperatures in the climate patterns at the GCC minima. Numerical modeling indicates a patterned response of the ocean to the CGC forcing. |
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