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Vestnik KRAUNC. Fiz.-Mat. Nauki, 2016, Number 3(14), Pages 23–28 (Mi vkam140)  

MATHEMATICAL MODELING

Reversals in the six-jet geodynamo model

G. M. Vodincharab, L. K. Feshenkoa

a Institute of Cosmophysics Research and Radio Wave Propagation FEB RAS
b Kamchatka State University named after Vitus Bering

Abstract: We describe a large-scale geodynamo model based on hypothesis about 6-jet convection in the Earth's core. This hypothesis suggests indirect data of inhomogeneities in the density of the Earth's core. The convection pattern is associated with a spherical harmonic Y24 which defines the basic poloidal component of velocity. The model takes into account the feedback effect of the magnetic field on convection. It was ascertained that the model contains stable regimes of field generation with reversals. The velocity of convection and the dipole component of the magnetic field are similar to the observed ones.

Keywords: geodynamo, Earth's core, geomagnetic reversals.
Author to whom correspondence should be addressed

DOI: https://doi.org/10.18454/2079-6641-2016-14-3-23-28

Full text: PDF file (359 kB)
Full text: http:/.../vodincharf
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Bibliographic databases:

UDC: 537.84, 537.67
MSC: Primary 76W05; Secondary 86A25
Received: 16.04.2016

Citation: G. M. Vodinchar, L. K. Feshenko, “Reversals in the six-jet geodynamo model”, Vestnik KRAUNC. Fiz.-Mat. Nauki, 2016, no. 3(14), 23–28

Citation in format AMSBIB
\Bibitem{VodFes16}
\by G.~M.~Vodinchar, L.~K.~Feshenko
\paper Reversals in the six-jet geodynamo model
\jour Vestnik KRAUNC. Fiz.-Mat. Nauki
\yr 2016
\issue 3(14)
\pages 23--28
\mathnet{http://mi.mathnet.ru/vkam140}
\crossref{https://doi.org/10.18454/2079-6641-2016-14-3-23-28}
\mathscinet{http://www.ams.org/mathscinet-getitem?mr=3597977}
\elib{https://elibrary.ru/item.asp?id=27374026}


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