Effect of the stratified ocean of the core upon the Chandler wobble

Physics of the Earth and Planetary Interiors

Volumn 118, Issue 3-4, 2000, Pages 195-203

  Braginsky, Stanislav I ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Chandler wobble; Earth core; Stably stratified layer

Indexed keywords

CHANDLER WOBBLE; OUTER CORE; STRATIFIED FLOW;

EID: 0033995310     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0031-9201(99)00137-5     Document Type: Article

References (31)

1. Anderson, O.L., 1995. Equations of State of Solids for Geophysics and Ceramics Science. Oxford Univ. Press, NY, Oxford, XII, +405 pp.
2. Anderson D.L., Minster J.B. The frequency dependence of Q in the earth and implications for mantle rheology and Chandler wobble. Geophys. J. R. Astron. Soc. 38:1979;335-348.
3. Bergman M.I. Magnetic Rossby waves in a stably stratified layer near the surface of the Earth's outer core. Geophys. Astrophys. Fluid Dynam. 68:1993;151-176.
4. Braginsky S.I. Short-period geomagnetic secular variation. Geophys. Astrophys. Fluid Dynam. 30:1984;1-78.
5. Braginsky S.I. MAC-oscillations of the hidden ocean of the core. J. Geomagn. Geoelectr. 45:1993;1517-1538.
6. Braginsky S.I. Magnetic Rossby waves in the stratified ocean of the core, and topographic core-mantle coupling. Earth, Planets Space. 50:1998;641-649.
7. Braginsky S.I. Dynamics of the stably stratified ocean at the top of the core. Phys. Earth Planet. Inter. 111:1999;21-34.
8. Braginsky, S.I., Earle, P.S., 1999. An attempt to find PKKP-reflections from the surface of the Stratified Ocean of the Core. In preparation.
9. Braginsky S.I., Le Mouël J.L. Two-scale model of a geomagnetic field variation. Geophys. J. Int. 112:1993;147-158.
10. Braginsky S.I., Roberts P.H. Equations governing convection in Earth's core and the geodynamo. Geophys. Astrophys. Fluid Dynam. 79:1995;1-97.
11. Buffett B.A. Constraints on magnetic energy and mantle conductivity from the forced nutations of the earth. J. Geophys. Res. 97(B13):1992;19581-19597.
12. Fearn D.R., Loper D.E. Compositional convection and stratification in Earth's core. Nature. 829:1981;393-394.
13. Frank S. Ascending droplets in the earth's core. Phys. Earth Planet. Inter. 27:1982;249-254.
14. Garnero E.J., Lay T. Effects of D″ anisotropy on seismic velocity models of the outermost core. Geophys. Res. Lett. 25:1998;2341-2344.
15. Garnero E.J., Helmberger D.V., Grand S.P. Constraining outermost core velocity with SmKS waves. Geophys. Res. Lett. 20:1993;2463-2466.
16. Gubbins D., Thompson C.J., Whaler K.A. Stable regions in the earth's liquid core. Geophys. J. R. Astron. Soc. 68:1982;241-251.
17. Hinderer J., Legros H. Elasto-gravitational deformation, relative gravity changes and earth dynamics. Geophys. J. 97:1989;481-495.
18. Lay T., Young C.J. The stably-stratified outermost core revisited. Geophys. Res. Lett. 17:1990;2001-2004.
19. Loper D.E., Lay T. The core-mantle boundary region. J. Geophys. Res. 111(B4):1995;6397-6420.
20. Lister J.R., Buffett B.A. Stratificaion of the outer core at the core-mantle boundary. Phys. Earth Planet. Inter. 105:1998;5-19.
21. Molodensky M.S. The theory of nutation and diurnal Earth tides. Commun. Obs. R. Belg. 188:1961;25-56.
22. μ of the earth's mantle. Izv. Akad. Nauk SSSR, Earth Physics. 18(N4):1982;245-253.
23. Sasao, T., Okubo, S., Saito, M., 1980. A simple theory on the dynamical effects of a stratified fluid core upon nutational motion of the earth. In: Fedorov, E.P., Smith, M.L., Bender, P.L. (Eds.), Proceedings of IAU Symposium 78, D. Reidel, Hingham, Mass., 1980, pp. 165-183.
24. Shearer M.J., Roberts P.H. The hidden ocean at the top of Earth's core. Dyn. Atmos. Oceans. 27:1997;631-647.
25. Smith M.L., Dahlen F.A. The period and Q of the Chandler wobble. Geophys. J. R. Astron. Soc. 64:1981;223-281.
26. Smylie D.E., Rochester M.G. Compressibility, core dynamics and subseismic wave equation. Phys. Earth Planet. Inter. 24:1981;308-319.
27. Souriau A., Poupinet G. A study of the outermost liquid core using differential travel times of the SKS, SKKS and S3KS phases. Phys. Earth Planet. Inter. 68:1991;183-199.
28. Sylvander M., Souriau A. Mapping S-velocity heterogeneous in the D″ region, from SmKS differential travel times. Phys. Earth Planet. Inter. 94:1996;1-21.
29. Toomre A. On the "Nearly Diurnal Wobble" of the earth. Geophys. J. R. Astron. Sos. 38:1974;335-348.
30. Whaler K.A. Does the whole of the earth's core convect? Nature. 287:1980;528-530.
31. Yukutake T. A stratified core motion inferred from geomagnetic secular variations. Phys. Earth Planet. Inter. 24:1981;253-258.