Elliptical instability of the Earth's fluid core

Physics of the Earth and Planetary Interiors

Volumn 103, Issue 3-4, 1997, Pages 365-374

  Aldridge, Keith ^a   Seyed Mahmoud, Behnam ^a   Henderson, Gary ^a   Van Wijngaarden, William ^a  

^a YORK UNIVERSITY   (Canada)

Author keywords

Earth's fluid core; Elliptical instability; Geomagnetic reversals; Tidal forces

Indexed keywords

CONDUCTIVITY; CORE; ELLIPTICAL INSTABILITY; GEOMAGNETIC REVERSAL; ROTATING FLUID; VISCOSITY;

EID: 0031429670     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0031-9201(97)00065-4     Document Type: Article

References (19)

1. Aldridge, K.D., 1975. Inertial waves and the Earth's outer core. Geophys. J. R. Astr. Soc. 42, 337-345.
2. Gledzer, E.B., Ponomarev, V.M., 1992. Instability of bounded flows with elliptical streamlines. J. Fluid Mech. 240, 1-30.
3. Henderson, G.A., 1996. A finite-element method for weak solutions of the Poincaré problem. PhD Thesis, York University, Toronto, Canada.
4. Hollerbach, R., Kerswell, R.R., 1995. Oscillatory internal shear layers in rotating and precessing flows. J. Fluid Mech. 298, 327-339.
5. Kerswell, R.R., 1993. The instability of precessing flow. Geophys. Astrophys. Fluid Dyn. 72, 107-144.
6. Kerswell, R.R., 1994. Tidal excitation of hydromagnetic waves and their damping in the Earth. J. Fluid Mech. 274, 219-241.
7. Lumb, L.I., Aldridge, K.D., 1988. An experimental study of inertial waves in a rotating spheroidal shell of fluid. In: Smylie, D.E., Hide, R. (Eds.), Structure and Dynamics of the Earth's Deep Interior, pp. 35-39. American Geophysical Union.
8. Lumb, L.I., Aldridge, K.D., Henderson, G.A., 1993. A generalized core resonance phenomenon: inferences from a Poincaré model. In: Le Moüel, J.L., Smylie, D.E., Herring, T.A. (Eds.), Dynamics of the Earth's Deep Interior and Earth Rotation, Geophysical Monograph 72, IUGG Vol. 12, pp. 51-68. American Geophysical Union.
9. Malkus, W.V.R., 1989. An experimental study of global instabilities due to the tidal (elliptical) distortion of a rotating elastic cylinder. Geophys. Astrophys. Fluid Dyn. 48, 123-134.
10. Manasseh, R., 1992. Breakdown regimes of inertia waves in a precessing cylinder. J. Fluid Mech. 243, 261-296.
11. Manasseh, R., 1994. Distortions of inertia waves in a precessing cylinder forced near its fundamental mode resonance. J. Fluid Mech. 265, 345-370.
12. McEwan, A., 1970. Inertial oscillations in a rotating fluid cylinder. J. Fluid Mech. 40, 603-640.
13. Rieutord, M., 1995. Inertial modes in the liquid core of the Earth. Phys. Earth Planet. Int. 91, 41-46.
14. Rieutord, M., Valdettaro, L., 1997. Inertial waves in a rotating spherical shell. J. Fluid Mech. 341, 77-99.
15. Seyed-Mahmoud, B., Henderson, G.A., Aldridge, K.D., 1997. Elliptical instability in rotating ellipsoidal fluid shells in preparation.
16. Stergiopoulos, S., Aldridge, K.D., 1984. Ringdown of inertial oscillations in a spheroidal shell of rotating fluid. Phys. Earth Planet. Int. 36, 17-26.
17. Thompson, R., 1970. Diurnal tides and shear instabilities in a rotating cylinder. J. Fluid Mech. 40, 737-751.
18. Vanyo, J., Wilde, P., Cardin, P., Olson, P., 1995. Experiments on precessing flows in the Earth's liquid core. Geophys. J. Int. 121, 136-142.
19. Vladimirov, V.A., Tarasov, V.F., 1985. Resonant instability of the flows with closed streamlines. In: Kozlov, V.V. (Ed.), Laminar-Turbulent Transition, Springer-Verlag, pp. 717-722.