Degree one heterogeneity and hemispherical variation of anisotropy in the inner core from PKP(BC) - PKP(DF) times

Journal of Geophysical Research: Solid Earth

Volumn 102, Issue B2, 1997, Pages 2925-2938

  Tanaka, Satoru ^a   Hamaguchi, Hiroyuki ^a  

^a TOHOKU UNIVERSITY   (Japan)

Author keywords

Clusters; Gas aggregation; Mass spectrometry; Metal oxides

Indexed keywords

ANISOTROPY; CORE (INNER); HETEROGENEITY; SEISMIC VELOCITY STRUCTURE;

EID: 0030752131     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: None     Document Type: Article

References (14)

1. Anderson, O.L., Mineral physics of iron and of the core, Rev. Geophys., suppl., 429-441, 1995.
2. Bloxham, J., and A. Jackson, Lateral temperature variations at the core-mantle boundary deduced from the magnetic field, Geophys. Res. Lett., 17, 1997-2000, 1990.
3. Buffett, B.A., H.E. Huppert, J.R. Lister, and A.W. Woods, On the thermal evolution of the Earth's core, J. Geophys. Res., 101, 7989-8006, 1996.
4. Chandrasekhar, S., Hydrodynamic and Hydromagnetic Stability, Oxford Univ. Press, New York, 1961.
5. Cormier, V.F., and G.L. Choy, A search for lateral heterogeneity in the inner core from differential travel times near PKP-D and PKP-C, Geophys. Res. Lett., 13, 1553-1556, 1986.
6. Creager, K.C., Anisotropy of the inner core from differential travel times of the phase PKP and PKIKP, Nature, 356, 309-314, 1992.
7. Dziewonski, A.M., and D.L. Anderson, Preliminary reference Earth model, Phys. Earth Planet. Inter., 25, 297-356, 1981.
8. Dziewonski, A.M., and F. Gilbert, The effect of small, aspherical perturbations on travel times and a reexamination of the corrections for ellipticity, Geophys. J. R. Astron. Soc., 44, 7-17, 1976.
9. Fearn, D.R., and D.E. Loper, Compositional convection and stratification of the Earth's core, Nature, 289, 393-394, 1981.
10. Garnero, E.J., and D.V. Helmberger, On seismic resolution of lateral heterogeneity in the Earth's outermost core, Phys. Earth Planet. Inter., 88, 117-130, 1995.
11. Glatzmaier, G.A., and P.H. Roberts, A three-dimensional convective dynamo solution with rotating and finitely conducting inner core and mantle, Phys. Earth Planet. Inter., 91, 63-75, 1995a.
12. Glatzmaier, G.A., and P.H. Roberts, A three-dimensional self-consistent computer simulation of a geomagnetic field reversal, Nature, 377, 203-209, 1995b.
13. Gubbins, D., C.J. Thomson, and K.A. Whaler, Stable regions in the Earth's liquid core, Geophys. J. R. Astron. Soc., 68, 241-251, 1982.
14. Yoshida, S., I. Sumita, and M. Kumazawa, Growth model of the inner core coupled with the outer core dynamics and the resulting elastic anisotropy, J. Geophys. Res., in press, 1996.