E3S Web Conf.
Volume 11, 2016VII International Conference “Solar-Terrestrial Relations and Physics of Earthquakes Precursors”
|Number of page(s)||5|
|Published online||04 November 2016|
Reversals in the six-jet Geodynamo model
1 Institute of Cosmophysical Researches and Radio Wave Propagation FEB RAS, Paratunka, Kamchatsky Kray, Russia
2 Vitus Bering Kamchatka State University, Petropavlovsk-Kamchatsky, Russia
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We describe a large-scale geodynamo model based on hypothesis about 6-cells 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.
© The Authors, published by EDP Sciences, 2016
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