RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 16, ES6003, doi:10.2205/2016ES000585, 2016

Growth of the inner core in the mean-field dynamo model

M. Yu. Reshetnyak


Application of Parker's dynamo model to the geodynamo with the growing inner core is considered. It is shown that decrease of the inner core size, where intensive magnetic field generation takes place, leads to the multi-polar magnetic field in the past. This effect reflects the decrease of the region of the effective magnetic field generation. The process is accompanied by increase of the reversals number and decrease of intensity of the geomagnetic field. The constraints on the mechanisms of convection in the liquid core are discussed.

Received 27 October 2016; accepted 23 November 2016; published 25 November 2016.

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Citation: Reshetnyak M. Yu. (2016), Growth of the inner core in the mean-field dynamo model, Russ. J. Earth Sci., 16, ES6003, doi:10.2205/2016ES000585.

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