Inner core rotation from geomagnetic westward drift and a stationary spherical vortex in Earth's core

Physics of the Earth and Planetary Interiors

Volumn 112, Issue 1-2, 1999, Pages 111-123

  Voorhies, Coerte V ^a  

^a Geodynamics Branch   (United States)

Author keywords

Geomagnetic westward drift; Inner core rotation; Stationary spherical vortex

Indexed keywords

GEOMAGNETIC FIELD; INNER CORE; ROTATION;

EID: 0033593976     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0031-9201(98)00180-0     Document Type: Article

References (26)

1. Aurnou J.M., Brito D., Olson P. Mechanics of inner core super-rotation. Geophys. Res. Lett. 23:1996;3401-3404.
2. Aurnou J., Brito D., Olson P. Anomalous rotation of the inner core and the toroidal magnetic field. J. Geophys. Res. 103:1998;9721-9738.
3. Bills, B.G., 1998. Tidal despinning of the mantle, inner core super-rotation and outer core effective viscosity. J. Geophys. Res., submitted.
4. Buffett B.A. Geodynamic estimates of the viscosity of the earth's inner core. Nature. 388:1997;571-573.
5. Cartwright J.H.E., Feingold M., Piro O. Chaotic advection in three dimensional unsteady incompressible laminar flow. J. Fluid Mech. 316:1996;259-284.
6. Chandrasekhar, S., 1961. Hydrodynamic and Hydromagnetic Stability, Dover edition. Oxford Univ. Press, Toronto, 652 pp.
7. Creager K. Inner core rotation from small scale heterogeneity and time-varying travel times. Science. 278:1997;1284-1288.
8. Glatzmaier G.A., Roberts P.H. A three-dimensional self-consistent computer simulation of a geomagnetic field reversal. Nature. 377:1995;203-205.
9. Glatzmaier G.A., Roberts P.H. A three-dimensional convective dynamo solution with rotating and finitely conducting inner core and mantle. Phys. Earth Planet Int. 91:1995;63-75.
10. Glatzmaier G.A., Roberts P.H. Rotation and magnetism of Earth's inner core. Science. 274:1996;1887-1991.
11. Gubbins D. Rotation of the inner core. J. Geophys. Res. 86:1981;11695-11699.
12. Gubbins, D., Roberts, P.H., 1987. Magnetohydrodynamics of the earth's core. In: Jacobs, J.A. (Ed.), Geomagnetism, Vol. 2. Academic Press, New York, 579 pp.
13. Halley E. An account of the cause of the change of the variation of the magnetic needle; with an hypothesis of the structure of the internal parts of the earth. Phil. Trans. R. Soc. (London). 12:1692;208-221.
14. Kennet, B.L., Engdahl, E.R., Buland, R., 1995. Constraints on seismic velocities in the earth from traveltimes. Geophys. J. Int., 108-124.
15. Lumb L.I., Aldridge K.D. On viscosity estimates for the earth's fluid outer core and core-mantle coupling. J. Geomag. Geoelectr. 43:1991;93-110.
16. Marion, J.B., 1970. Classical Dynamics. Academic Press, New York, 573 pp.
17. Poirer J.P. Transport properties of liquid metals and the viscosity of Earth's core. Geophys. Atrophys. Fluid Dyn. 9:1988;99-105.
18. Song X., Richards P.G. Seismological evidence for differential rotation of the earth's inner core. Nature. 382:1996;221-224.
19. Souriau A. Is the rotation real? Science. 281:1998;55-56.
20. Souriau A., Roundil P., Moynot B. Inner core differential rotation: facts and artefacts. Geophys. Res. Lett. 24:1997;2103-2106.
21. Su W.-J., Dziewonski A.M., Jeanloz R. Planet within a planet: rotation of the inner core of the earth. Science. 274:1996;1883-1887.
22. Vanyo J.P. Earth core motions: experiments with spheroids. Geophys. J.R. Astron. Soc. 77:1984;173-183.
23. Vanyo J.P. A geodynamo powered by luni-solar precession. Geophys. Astrophys. Fluid Dyn. 59:1991;209-234.
24. Voorhies C.V. Coupling an inviscid core to an electrically insulating mantle. J. Geomag. Geoelectr. 42:1991;131-156.
25. Voorhies, C.V., 1993. Geomagnetic estimates of steady surficial core flow and flux diffusion: unexpected geodynamo experiments. In: LeMouel, J.-L., Smylie, D.E., Herring, T. (Eds.), Dynamics of Earth's Deep Interior and Earth Rotation, Vol. 72. Geophys. Monogr. Ser., pp. 113-125.
26. Voorhies C.V. Time-varying fluid flow at the top of Earth's core from Definitive Geomagnetic Reference Field models. J. Geophys. Res. 100:1995;10029-10039.