Geodynamo theory and simulations

PH Roberts, GA Glatzmaier - Reviews of modern physics, 2000 - APS
Abstract 80 years ago, Joseph Larmor planted the seed that grew into today's imposing body
of knowledge about how the Earth's magnetic field is created. His simple idea, that the …

Recent geodynamo simulations and observations of the geomagnetic field

M Kono, PH Roberts - Reviews of Geophysics, 2002 - Wiley Online Library
In 1995, two groups [Kageyama et al., 1995; Glatzmaier and Roberts, 1995a, 1995b]
reported results of numerical integrations of fully three‐dimensional, fully nonlinear …

[图书][B] Mathematical aspects of natural dynamos

E Dormy, AM Soward - 2007 - taylorfrancis.com
Although the origin of Earth's and other celestial bodies' magnetic fields remains unknown,
we do know that the motion of electrically conducting fluids generates and maintains these …

A spectral solution of the magneto‐convection equations in spherical geometry

R Hollerbach - International journal for numerical methods in …, 2000 - Wiley Online Library
A fully three‐dimensional solution of the magneto‐convection equations—the nonlinearly
coupled momentum, induction and temperature equations—is presented in spherical …

Numerical modeling of magnetohydrodynamic convection in a rapidly rotating spherical shell: weak and strong field dynamo action

W Kuang, J Bloxham - Journal of Computational Physics, 1999 - Elsevier
In this paper we describe a numerical model for investigating magnetohydrodynamic (MHD)
convective flow of a Boussinesq fluid in a rapidly rotating spherical shell, driven by the …

Magnetohydrodynamics in rapidly rotating spherical systems

K Zhang, G Schubert - Annual review of fluid mechanics, 2000 - annualreviews.org
▪ Abstract Recent developments in the study of buoyancy-driven convection,
magnetoconvection, and convection-driven dynamos in rapidly rotating spherical systems …

Torsional oscillations and the magnetic field within the Earth's core

S Zatman, J Bloxham - Nature, 1997 - nature.com
An estimate of the magnitude and geometry of the magnetic field within the Earth's core
would be valuable for understanding the dynamics of the liquid outer core and for …

On the theory of core-mantle coupling

PH Roberts, JM Aurnou - Geophysical & Astrophysical Fluid …, 2012 - Taylor & Francis
This article commences by surveying the basic dynamics of Earth's core and their impact on
various mechanisms of core-mantle coupling. The physics governing core convection and …

Hydromagnetic flow in planetary cores

DR Fearn - Reports on Progress in Physics, 1998 - iopscience.iop.org
Considerable publicity has accompanied Song and Richards' recent measurement of the
rotation of the Earth's inner core and the observation of a reversal of the magnetic field in …

On the theory of the geodynamo

R Hollerbach - Physics of the Earth and Planetary interiors, 1996 - Elsevier
I trace the development of geodynamo theory leading from Larmor's original hypothesis
(Larmor, 1919, Rep. Br. Assoc. Adv. Sci., A, 159–160) to the present. I consider a number of …