Geophysics: Simulations of a quasi-Taylor state geomagnetic field including polarity reversals on the Earth simulator

Futoshi Takahashi, Masaki Matsushima, Yoshimori Honkura

Research output: Contribution to journalArticle

83 Citations (Scopus)

Abstract

High-resolution, low-viscosity geodynamo simulations have been carried out on the Earth Simulator, one of the fastest supercomputers, in a dynamic regime similar to that of Earth's core, that is, in a quasi-Taylor state. Our dynamo models exhibit features of the geodynamo not only in spatial and temporal characteristics but also in dynamics. Polarity reversals occurred when magnetic flux patches at high latitudes moved poleward and disappeared; patches with reversed field at low and mid-latitudes then moved poleward.

Original languageEnglish
Pages (from-to)459-461
Number of pages3
JournalScience
Volume309
Issue number5733
DOIs
Publication statusPublished - Jul 15 2005
Externally publishedYes

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geodynamo
magnetic reversal
geomagnetic field
geophysics
simulator
simulation
viscosity

All Science Journal Classification (ASJC) codes

  • General

Cite this

Geophysics : Simulations of a quasi-Taylor state geomagnetic field including polarity reversals on the Earth simulator. / Takahashi, Futoshi; Matsushima, Masaki; Honkura, Yoshimori.

In: Science, Vol. 309, No. 5733, 15.07.2005, p. 459-461.

Research output: Contribution to journalArticle

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