A study of stochastic resonance in the periodically forced Rikitake dynamo

Chien Chih Chen, Chih Yuan Tseng

研究成果: 雜誌貢獻期刊論文同行評審

摘要

The geodynamo has widely been thought to be an intuitive and self-sustained model of the Earth's magnetic field. In this paper, we elucidate how a periodic signal could be embedded in the geomagnetic filed via the mechanism of stochastic resonance in a forced Rikitake dynamo. Based on the stochastic resonance observed in the periodically forced Rikitake dynamo, we thus suggest a common triggering for geomagnetic reversal and glacial events. Both kinds of catastrophes may result from the cyclic variation of the Earth's orbital eccentricity.

原文???core.languages.en_GB???
頁(從 - 到)671-680
頁數10
期刊Terrestrial, Atmospheric and Oceanic Sciences
18
發行號4
DOIs
出版狀態已出版 - 10月 2007

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