On the genesis of the Earth's magnetism
PH Roberts, EM King - Reports on Progress in Physics, 2013 - iopscience.iop.org
Few areas of geophysics are today progressing as rapidly as basic geomagnetism, which
seeks to understand the origin of the Earth's magnetism. Data about the present …
seeks to understand the origin of the Earth's magnetism. Data about the present …
Planetary magnetic fields and fluid dynamos
The magnetic fields of the planets, including the Earth, are generated by dynamo action in
their fluid cores. Numerical models of this process have been developed that solve the …
their fluid cores. Numerical models of this process have been developed that solve the …
Dynamo theories
F Rincon - Journal of Plasma Physics, 2019 - cambridge.org
These lecture notes are based on a tutorial given in 2017 at a plasma physics winter school
in Les Houches. Their aim is to provide a self-contained graduate-student level introduction …
in Les Houches. Their aim is to provide a self-contained graduate-student level introduction …
Scaling properties of convection-driven dynamos in rotating spherical shells and application to planetary magnetic fields
We study numerically an extensive set of dynamo models in rotating spherical shells,
varying all relevant control parameters by at least two orders of magnitude. Convection is …
varying all relevant control parameters by at least two orders of magnitude. Convection is …
Geodynamo theory and simulations
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 …
of knowledge about how the Earth's magnetic field is created. His simple idea, that the …
Inner-core conductivity in numerical dynamo simulations
J Wicht - Physics of the Earth and Planetary Interiors, 2002 - Elsevier
Speculation about its possible super-rotation has drawn the attention of many geophysical
researchers to the Earth's inner core. An issue of special interest for geodynamo modelling …
researchers to the Earth's inner core. An issue of special interest for geodynamo modelling …
Rotating convective turbulence in Earth and planetary cores
An accurate description of turbulent core convection is necessary in order to build robust
models of planetary core processes. Towards this end, we focus here on the physics of …
models of planetary core processes. Towards this end, we focus here on the physics of …
Small-scale structure of the geodynamo inferred from Oersted and Magsat satellite data
The 'geodynamo'in the Earth's liquid outer core produces a magnetic field that dominates the
large and medium length scales of the magnetic field observed at the Earth's surface,. Here …
large and medium length scales of the magnetic field observed at the Earth's surface,. Here …
Dipole moment scaling for convection-driven planetary dynamos
Scaling laws are derived for the time-average magnetic dipole moment in rotating
convection-driven numerical dynamo models. Results from 145 dynamo models with a …
convection-driven numerical dynamo models. Results from 145 dynamo models with a …
Thermochemical flows couple the Earth's inner core growth to mantle heterogeneity
Seismic waves sampling the top 100 km of the Earth's inner core reveal that the eastern
hemisphere (40° E–180° E) is seismically faster,, more isotropic, and more attenuating than …
hemisphere (40° E–180° E) is seismically faster,, more isotropic, and more attenuating than …