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Сообщение о землетрясении
Если Вы ощутили землетрясение, пожалуйста, сообщите о нёмReversals in a geodynamo model driven by 6-cell convection
- Institute of Cosmophysical Research and Wave-Propagation, Far East Branch, Russian Academy of Sciences
- Vitus Bering Kamchatka State University
A large-scale geodynamo model based on indirect data of density inhomogeneities in the Earth's liquid core is described. Convective structure is correlated with a spherical harmonic Y24, which defines the basic poloidal component of the velocity. The Coriolis drift of this mode determines the toroidal component of the velocity. Thus, a 6-cell convective structure is formed. The model takes into account the inverse effect of the magnetic field on convection.It was ascertained that the model realizes a stable regime of field generation. The convection velocity and the dipole component of the magnetic field are close to the observed ones.
Feshchenko L.K., Vodinchar G.M.– Reversals in a geodynamo model driven by 6-cell convection // BULLETIN KRASEC. PHYSICAL AND MATHEMATICAL SCIENCES. - 2015. T. 11, № 2, С. 41-50.
