From: Loren Haarsma (lhaarsma@calvin.edu)
Date: Tue Sep 30 2003 - 13:21:02 EDT
The dynamics of the earth's magnetic field -- including changes in field
strength over time and occasional reversals as seen in the geological
record -- were modeled pretty convincingly about nine years ago.
http://ees5-www.lanl.gov/IGPP/EarthsMagneticField.html
"A 3-Dimensional Self-Consistent Computer Simulation of a
Geomagnetic Field Reversal" by G.A. Glatzmaier & P.H. Roberts. Nature,
377(6546): 203-209 (21 September 1995).
A 3-Dimensional Convective Dynamo Solution with Rotating and
Finitely Conducting Inner-Core and Mantle" by G.A. Glatzmaier &
P.H. Roberts. Physics of the Earth and Planetary Interiors 91(1-3): 63-75
(September 1995).
"An Anelastic Evolutionary Geodynamo Simulation Driven by
Compositional and Thermal Convection" by G.A. Glatzmaier &
P.H. Roberts. Physica D 97(1-3): 81-94 (October 1, 1996).
"The Reversal of the Earth's Magnetic Field" by Mike Fuller, Carlo
J. Laj & Emilio Herrera-Bervera. American Scientist, 84(6): 552-561
(November-December 1996).
Loren Haarsma
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