A synchronized solar dynamo model and its consistency with climate data
- 1Helmholtz-Zentrum Dresden-Rossendorf, Magnetohydrodynamics, Dresden, Germany (f.stefani@hzdr.de)
- 2University of Latvia, Institute for Numerical Modelling, Riga, Latvia
We examine a remarkable consistency of the power spectrum of paleoclimatic varved sediment data from Lake Lisan [1] with that of a novel solar dynamo model that is doubly synchronized by tidal effects and the revolution of the Sun around the barycenter of the solar system [2,3]. We support and specify the latter model by quantifying the tidal excitation of magneto-Rossby waves [4] at the solar tachocline and by estimating the effects of spin-orbit coupling. Typical time series resulting from this dynamo model are then utilized in a double regression of solar and anthropogenic influences on the global temperature of the past 170 years in order to quantify various climate sensitivities [5].
[1] S. Prasad et al., Geology 32 (2004), 581
[2] F. Stefani et al., Solar Phys. 296 (2021), 88
[3] F. Stefani et al., arXiv:2309.00666
[4] G. Horstmann et al., Astrophys. J. 944 (2023), 48
[5] F. Stefani, Climate 9 (2021), 163
How to cite: Stefani, F., Horstmann, G., Klevs, M., Mamatsashvili, G., and Weier, T.: A synchronized solar dynamo model and its consistency with climate data, EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024, EGU24-10640, https://doi.org/10.5194/egusphere-egu24-10640, 2024.
