Experiments on Joule heating and the dissipation of energy in the Earth's core

Geophysical Journal International

Volumn 127, Issue 2, 1996, Pages 339-347

  Brito, Daniel ^a   Cardin, Philippe ^a   Nataf, Henri Claude ^a   Olson, Peter ^b  

^a ECOLE NORMALE SUPÉRIEURE   (France)

^b JOHNS HOPKINS UNIVERSITY   (United States)

Author keywords

Earth's core; Earth's magnetic field; Geodynamo; Heat flow

Indexed keywords

CORE (INNER); GEODYNAMO; GEOMAGNETIC FIELD; HEAD PRODUCTION; HEAT FLOW;

EID: 0030424295     PISSN: 0956540X     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1365-246X.1996.tb04724.x     Document Type: Article

References (27)

1. Bloxham, J., Gubbins, D. & Jackson, A., 1989. Geomagnetic secular variation, Phil. Trans. R. Soc. Lond., A, 329, 415-502.
2. Braginski, S., 1990. Towards a realistic theory of the geodynamo, Geophys. astrophys. Fluid Dyn., 60, 89-134.
3. Brito, D., Cardin, P., Nataf, H.-C. & Marolleau, G., 1995. Experimental study of a geostrophic vortex of gallium in a transverse magnetic field, Phys. Earth planet. Inter., 91, 77-98.
4. Bullard, E.C. & Gellman, H., 1954. Homogeneous dynamos and terrestrial magnetism, Phil. Trans. R. Soc. Lond., A, 247, 213-278.
5. Busse, F.H., 1970. Thermal instabilities in rapidly rotating systems, J. Fluid Mech., 44, 441-460.
6. Busse, F.H., 1975. A model of the Geodynamo, Geophys. J. R. astr. Soc., 42, 437-459.
7. Cardin, P. & Olson, P., 1992. An experimental approach to thermochemical convection in the earth's core, Geophys. Res. Lett., 19, 1995-1998.
8. Cardin, P. & Olson, P., 1994. Chaotic thermal convection in a rapidly rotating spherical shell: consequences for flow in the outer core, Phys. Earth planet. Inter., 82, 235-259.
9. Elsasser, W., 1946. Induction effects in terrestrial magnetism 1: Theory, Phys. Rev., 69, 106-116.
10. Gire, C. & Le Mouël, J.-L., 1990. Tangentially geostrophic flow at the core mantle boundary compatible with the observed geomagnetic secular variation: the large scale component of the flow, Phys. Earth planet. Inter., 59, 259-287.
11. Glatzmaier, G.A. & Roberts, P.H., 1995. A three-dimensional convective dynamo solution with rotating and finitely conducting inner core and mantle, Phys. Earth planet. Inter., 91, 63-75.
12. Gubbins, D. & Roberts, P.H., 1987. Magnetohydrodynamics of the Earth's core, in Geomagnetism, Vol. 2, pp. 1-184, ed. Jacobs, J.A., Academic Press, London.
13. Gubbins, D., Masters, T.G. & Jacobs, J.A., 1979. Thermal evolution of the Earth's core, Geophys. J. R. astr. Soc., 59, 57-99.
14. Hulot, G. & Le Mouël, J.-L., 1994. A statistical approach to the Earth's main magnetic field, Phys. Earth planet. Inter., 82, 167-183.
15. Hulot, G., Le Mouël, J.-L. & Jault, D., 1990. The flow at the coremantle boundary: symmetry properties, J. Geomag. Geoelectr., 42, 857-874.
16. Jault, D., 1990. Variations séulaires du champ géomagnétique et fluctuations de la longueur du jour, Thèse de l'université Paris VII, Paris, France.
17. Kumar, S. & Roberts, P.H., 1975. A three-dimensional kinematic dynamo, Proc. R. Soc. Lond., A, 344, 235-258.
18. Langel, R.A. & Estes, R.H., 1982. Geomagnetic field spectrum, Geophys. Res. Lett., 9, 250-253.
19. Lister, J.R. & Buffett, A., 1995. The strength and efficiency of thermal compositional convection in the geodynamo, Phys. Earth planet. Inter., 91, 17-30.
20. Loper, D.E. & Roberts, P.H., 1983. Compositional convection and the gravitationally powered dynamo, Stellar and Planetary Magnetism, Gordon & Breach, London.
21. Olson, P.L. & Glatzmaier, G.A., 1995. Magnetoconvection in a rotating spherical shell: structure of flow in the outer core, Phys. Earth planet. Inter., 92, 109-118.
22. Pascal, P., 1961. Nouveau traité de chimie minérale VI, Masson et Cie éditeurs, Paris, 669-774.
23. Pekeris, C.L., Accad, Y. & Shkoller, B., 1973. Kinematic dynamos and the Earth's magnetic field, Phil. Trans. R. Soc. Lond., A, 275, 425-461.
24. Tritton, D.J., 1988. Physical Fluid Dynamics, 2nd edn, Oxford Science Publications.
25. Verhoogen, J., 1980. Energetics of the Earth, National Academy of Sciences, Washington, DC.
26. Voorhies, C.V., 1986. Steady flows at the top of the core derived from geomagnetic field models, J. geophys. Res., 91, 12 444-12 466.
27. Zhang, K.K. & Fearn, D., 1993. How strong is the invisible component of the magnetic field in the Earth's core?, Geophys. Res. Lett., 20, 2083-2088.