VLBI observations of free core nutations and viscosity at the top of the core

Physics of the Earth and Planetary Interiors

Volumn 148, Issue 2-4, 2005, Pages 285-301

  Palmer, Andrew ^a   Smylie, D E ^a  

^a YORK UNIVERSITY   (Canada)

Author keywords

DFT; Free core nutation; VLBI

Indexed keywords

ALGORITHMS; COMPUTATION THEORY; ELECTROMAGNETISM; ERROR ANALYSIS; FAST FOURIER TRANSFORMS; INTERFEROMETRY; OBSERVATORIES; RESONANCE; SEISMOLOGY;

GODDARD SPACE FLIGHT CENTER (GSFC); IMPULSIVE EXCITATIONS; VERY LONG BASELINE INTERFEROMETRY (VLBI);

SEISMIC PROSPECTING;

CORE (PLANETARY); EARTH ROTATION; NUTATION; VERY LONG BASELINE INTERFEROMETRY; VISCOSITY;

EID: 13144295890     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2004.09.003     Document Type: Article

References (31)

1. B.A. Buffett P.M. Mathews T.A. Herring Modeling of nutation and precession: Effects of electromagnetic coupling J. Geophys. Res. 107 2002 ETG 5-1-ETG 5-16
2. B.A. Buffett E.J. Garnero R. Jeanloz Sediments at the top of Earth's core Science 290 2000 1338-1342
3. P.A. Businger G.H. Golub Singular value decomposition of a complex matrix Commun. ACM 12 1969 564-565
4. D.J. Crossley D.E. Smylie Electromagnetic and viscous damping of core oscillations Geophys. J. R. Astr. Soc. 42 1975 1011-1033
5. R.G. Davis K.A. Whaler The 1969 geomagnetic impulse and spin-up of the Earth's liquid core Phys. Earth Planet. Int. 103 1997 181-194
6. V. Dehant Ch. Bizouard J. Hinderer H. Legros M. Greff-Lefftz On atmospheric pressure perturbations on precession and nutations Phys. Earth Planet. Int. 96 1996 25-39
7. R. Gans Viscosity of the Earth's core J. Geophys. Res. 77 1972 360-366
8. P. Gegout J. Hinderer H. Legros M. Greff V. Dehant Influence of atmospheric pressure on the free core nutation, precession and some forced nutational motions of the Earth Phys. Earth Planet. Int. 106 1998 337-351
9. G.H. Golub C.F. van Loan Matrix Computations third ed. 1989 Johns Hopkins University Press Baltimore, MD
10. T.A. Herring P.M. Mathews B.A. Buffett Modeling of nutation-precession: very long baseline interferometry results J. Geophys. Res. 107 2002 ETG4-1-ETG4-13
11. T.A. Herring J.L. Davis I.I. Shapiro Geodesy by radio interferometry: the application of Kalman filtering to the analysis of very long baseline interferometry data J. Geophys. Res. 95 1990 12561-12581
12. Hida, Y., Li, X., Bailey, D., 2000. Quad Double Arithmetic: Algorithms, Implementation, and Application. Technical Report LBNL-46996, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, October 2000, available at http://www.nersc.gov/dhbailey/mpist/mpdist.html.
13. X. Jiang D.E. Smylie Variational calculation of the free core nutation mode Phys. Earth Planet. Int. 94 1996 159-182
14. X. Jiang D.E. Smylie A search for free core nutation modes in VLBI nutation observations Phys. Earth Planet. Int. 90 1995 91-100
15. Jiang, X., Smylie, D.E., 1994. Finite element calculation of free core nutation modes, unpublished manuscript, pp. 25.
16. Jiang, X., 1993. Wobble-nutation modes of the Earth, Ph.D. thesis, York University, Toronto, Canada.
17. I.M. Johnson D.E. Smylie An inverse theory for the calculation of the electrical conductivity of the lower mantle Geophys. J. R. Astr. Soc. 22 1970 41-53
18. C.L. Lawson R. Hanson Solving Least Squares Problems 1974 Prentice-Hall Inc. Englewood Cliffs, New Jersey
19. D.W. Moore Homogeneous fluids in rotation In: P.H. Roberts A.M. Soward (Eds.) Rotating Fluids in Geophysics 1978 Academic Press New York
20. W.H. Press S.A. Teukolsky W.T. Vetterling B.P. Flannery Numerical Recipes second ed. 1992 Cambridge University Press Cambridge, UK
21. M.G. Rochester D.E. Smylie Geomagnetic core-mantle coupling and the Chandler wobble Geophys. J. R. Astr. Soc. 10 1965 289-314
22. A. Rogers R. Cappallo H. Hinteregger J. Levine E. Nesman J. Webber Very-long-baseline radio interferometry: The Mark III System for geodesy, astrometry, and aperture synthesis Science 219 1983 51-53
23. S.K. Runcorn The electrical conductivity of Earth,s mantle Trans. Am. Geophys. Union 36 1955 191
24. M.D. Rutter R.A. Secco H. Liu T. Uchida M.L. Rivers S.R. Sutton Y. Wang Viscosity of liquid Fe at high pressure Phys. Rev. B66 2002 0601021-0601024
25. Smylie, D.E., Jiang, X, Henderson, G., 2002. Determination of Core Properties from Superconducting Gravimeter and VLBI Observations, Summary of Invited Paper, Union Session on Core Structure and Rotation, 1999 AGU Fall Meeting, December 13-17, San Francisco.
26. D.E. Smylie D.G. McMillan Viscous and rotational splitting of the translational oscillations of Earth's solid inner core Phys. Earth Planet. Int. 106 1998 1-18
27. D.E. Smylie J. Hinderer B. Richter B. Ducarme The product spectra of gravity and barometric pressure in Europe Phys. Earth Planet. Int. 80 1993 135-157
28. D.E. Smylie Magnetic diffusion in a spherically-symmetric conducting mantle Geophys. J. R. Astr. Soc. 9 1965 169-184
29. D.E. Smylie A.M.K. Szeto M.G. Rochester The dynamics of the Earth's inner and outer cores Rep. Prog. Phys. 47 1984 855-906
30. Smylie, D.E. 1963. Electromagnetic excitation of the Chandler wobble, Ph.D. thesis, University of Toronto, Toronto, Canada.
31. D.J. Stevenson Viscosity of two-phase fluids and implications for planetary interiors J. Geophys. Res. 88 1983 2445-2455