E3S Web Conf.
Volume 127, 2019X Anniversary International Conference “Solar-Terrestrial Relations and Physics of Earthquake Precursors”
|Number of page(s)||8|
|Section||Geophysical Fields and their Interactions|
|Published online||05 November 2019|
Stochastic model of 6-jet kinematic dynamo
1 Institute of Cosmophysical Researches and Radio Wave Propagation FEB RAS, Paratunka, Kamchatsky Kray, Russia
2 Vitus Bering Kamchatka State University, Petropavlovsk-Kamchatsky, Russia
* Corresponding author: email@example.com
The low-moded stochastic model of kinematic geodynamo is studied. The model is based on the indirect data about the large-scale structure of convection. The intensities of large-scale and turbulent field generators are affected by pulsed multiplicative noises. These random pulses are interpreted as the formation and destruction of coherent structures from small-scale modes of velocity and magnetic field. The perturbation of this control parameters by stochastic influence leads to switching between different dynamo regimes.
© The Authors, published by EDP Sciences, 2019
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