GP31A:
Earth and Planetary Magnetic Fields and Core Dynamics

Submit an Abstract to this Session

Session Title - en français: Le champ magnétique et la dynamique des noyaux terrestre et planétaires

Session ID#: 6241

Session Description:
Planetary magnetic fields, and their time changes or secular variation, result from motion of electrically conducting liquid within their interior, typically in their fluid cores. The last few decades have yielded significant advances in our understanding of the dynamics of fluid planetary cores.  Similarly, satellite observations along with new inversion and data modeling methods have given us an unprecedented description of Earth’s magnetic field and that of other planets.   This session invites general contributions relevant to all aspects of planetary magnetic fields and the dynamics of planetary cores.  This includes numerical, theoretical or experimental models focused on dynamo processes, fluid-solid boundary interactions and convection within the inner core.  This also includes descriptive models of Earth’s magnetic field and its secular variation (and that of other planets) reconstructed from observations, as well as dynamical models focused on aspects of the observed time-dependent field.
OSPA Liaison:  Mathieu Dumberry, Department of Physics, University of Alberta, Edmonton, AB, Canada
Chairs:  Mathieu Dumberry, Department of Physics, University of Alberta, Edmonton, AB, Canada and Sabine Stanley, University of Toronto, Physics, Toronto, ON, Canada
Primary Convener:  Mathieu Dumberry, Department of Physics, University of Alberta, Edmonton, AB, Canada
Conveners:  Jonathan E Mound, University of Leeds, School of Earth and Environment, Leeds, United Kingdom and Sabine Stanley, University of Toronto, Physics, Toronto, ON, Canada
Index Terms:

1507 Core processes [GEOMAGNETISM AND PALEOMAGNETISM]
1510 Dynamo: theories and simulations [GEOMAGNETISM AND PALEOMAGNETISM]
1541 Satellite magnetics: main field, crustal field, external field [GEOMAGNETISM AND PALEOMAGNETISM]
1595 Planetary magnetism: all frequencies and wavelengths [GEOMAGNETISM AND PALEOMAGNETISM]
Co-Sponsor(s):
  • P - Planetary Sciences

Abstracts Submitted to this Session:

GP31A-01
Frontiers in Planetary Dynamos Through High-Performance Computing (Invited) (34365)
Bruce A Buffett, University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States and CIG Dynamo Working Group
GP31A-02
High Resolution Geodynamo Simulations with Strongly-driven Convection and Low Viscosity (Invited) (35086)
Nathanaël Schaeffer, University Grenoble Alpes, ISTerre, Grenoble, France, Alexandre Fournier, Université de Paris, Institut de Physique du Globe de Paris, CNRS, Paris, France, Dominique Jault, University Joseph Fourier Grenoble, Grenboble, France and Julien Aubert, Institut de Physique du Globe, Paris, France
GP31A-03
Numerical/Experimental Canonical Models of Geophysical and Astrophysical Flows (Invited) (35957)
Adolfo Ribeiro, UCLA, Earth Planetary and Earth Science, LOS ANGELES, CA, United States, Jean-Luc Guermond, Texas A&M University, Mathematics, College Station, TX, United States and Jonathan M Aurnou, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States
GP31A-04
A Sparse Fully Spectral Method for Simulations in Spherical, Cylindrical and Cartesian Geometries (Invited) (35067)
Philippe Marti, University of Colorado -- Boulder, Boulder, CO, United States, Michael A Calkins, University of Colorado, Boulder, Department of Physics, Boulder, CO, United States, Jonathan M Aurnou, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States and Keith A Julien, Univ of Colorado--Boulder, Applied Mathematics, Boulder, CO, United States
GP31A-05
Generation of magnetic fields by large-scale vortices in rotating convection (Invited) (33825)
Celine Guervilly, University of Leeds, Leeds, United Kingdom
GP31A-06
Core Merging After Giant Impacts and Core Stratification in the Late Stages of Earth's Formation (Invited) (34911)
Maylis Landeau, Johns Hopkins University, Baltimore, United States, Peter Olson, Johns Hopkins University, Department of Earth & Planetary Sciences, Baltimore, MD, United States, Renaud Deguen, Université Claude Bernard, Laboratoire de Géologie de Lyon, Lyon, France and Ben Hirsh, Johns Hopkins University, Baltimore, MD, United States
GP31A-07
Revisiting Earth’s Thermal Evolution: A Solution to the Mantle and Core Paradoxes (Invited) (35382)
Peter E Driscoll, University of Washington Seattle Campus, Seattle, WA, United States
GP31A-08
On the Secular Variation of Saturn's Magnetic Field (34943)
Sabine Stanley, University of Toronto, Physics, Toronto, ON, Canada and Jeremy Bloxham, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States
See more of: Geomagnetism and Paleomagnetism