Email this article Magnetic Field Variations in Geodynamo Models
- Authors: Reshetnyak M.Y.1
-
Affiliations:
- Schmidt Institute of Physics of the Earth, Russian Academy of Sciences
- Issue: No 3 (2025)
- Pages: 3-8
- Section: Articles
- URL: https://journal-vniispk.ru/0002-3337/article/view/307802
- DOI: https://doi.org/10.31857/S0002333725030019
- EDN: https://elibrary.ru/FEWHJC
- ID: 307802
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Abstract
An increase in the intensity of heat sources in the Earth’s core leads to a decrease in the intensity of the dipole magnetic field. The spatial spectrum of the magnetic field becomes multipole. The intensity of variations of the magnetic dipole and its deviations from the rotation axis increases. The dependence of the duration of magnetozones of constant polarity depends on the amplitude of the magnetic dipole according to a power law. The exponent of the power function can change by a factor of two depending on the dipole amplitude. Superchrons of the magnetic field correspond to high intensity of the magnetic dipole.
Keywords
About the authors
M. Yu Reshetnyak
Schmidt Institute of Physics of the Earth, Russian Academy of Sciences
Email: m.reshetnyak@gmail.com
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