Physics
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmgp43a0888g&link_type=abstract
American Geophysical Union, Fall Meeting 2005, abstract #GP43A-0888
Physics
0560 Numerical Solutions (4255), 1510 Dynamo: Theories And Simulations, 1595 Planetary Magnetism: All Frequencies And Wavelengths, 5734 Magnetic Fields And Magnetism, 6275 Saturn
Scientific paper
A 3D global computer simulation of thermal convection and magnetic field generation in Saturn is presented. Convection takes the form of many isolated small-scale vortices with their axes roughly aligned with the planetary rotation axis. Vorticity is generated and differential rotation is maintained by fluid flowing through the density stratification. The differential rotation manifests itself at the surface as a fairly time independent banded zonal wind profile, similar to Saturn's. This generates multiple, migrating, toroidal magnetic fields directed eastward and westward in both hemispheres. The field above the surface is dominantly an axial dipole.
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