Core flow modelling assumptions

Physics of the Earth and Planetary Interiors

Volumn 167, Issue 3-4, 2008, Pages 217-222

  Beggan, Ciarán ^a   Whaler, Kathy ^a  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

Author keywords

Core flow; Geomagnetic field; Regularisation; Secular variation

Indexed keywords

COVARIANCE MATRIX; ITERATIVE METHODS; MAGNETIC FIELDS; MATHEMATICAL MODELS;

CORE FLOW; GEOMAGNETIC FIELD; SECULAR VARIATION;

GEOMAGNETISM;

CORE (PLANETARY); CORE-MANTLE BOUNDARY; FLOW MODELING; GEOMAGNETIC FIELD; SECULAR VARIATION;

EID: 44349188026     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2008.04.011     Document Type: Article

References (24)

1. Amit H., and Olson P. Helical core flow from geomagnetic secular variation. Phys. Earth Planet. Int. 147 (2004) 1-25
2. Backus G.E. Kinematics of geomagnetic secular variation in a perfectly conducting core. Philos. Trans. R. Soc. Lond. A 263 (1968) 239-266
3. Bloxham, J., 1988. The determination of fluid flow at the core surface from geomagnetic observations. Vol. Mathematical Geophysics. D. Reidel Publishing Company, pp. 189-208 (Chapter 9).
4. Bloxham J., and Jackson A. Fluid flow near the surface of Earth's outer core. Rev. Geophys. 29 1 (1991) 97-120
5. Braginsky S., and LeMouël J.-L. Two-scale model of a geomagnetic field variation. Geophys. J. Int. 112 (1993) 147-158
6. Gubbins D. Geomagnetic field analysis-I. Stochastic inversion. Geophys. J. R. Astr. Soc. 73 3 (1983) 641-652
7. Gubbins D. Geomagnetic constraints on stratification at the top of the Earth's core. Earth Planets Space 59 (2007) 661-664
8. Gubbins D., and Kelly P. A difficulty with using the frozen flux hypothesis to find steady core motions. Geophys. Res. Lett. 23 14 (1996) 1825-1828
9. Hills, R., 1979. Convection in the Earth's mantle due to viscous shear at the core-mantle interface and due to large-scale bouyancy. Ph.D. Thesis. N.M. State Univ., Las Cruces.
10. Holme R., and Olsen N. Core surface flow modelling from high-resolution secular variation. Geophys. J. Int. 166 (2006) 518-528
11. Jackson A., Jonkers A., and Walker M. Four centuries of geomagnetic secular variation from historical records. Philos. Trans. R. Soc. Lond. 358 1768 (2000) 957-990
12. Kahle A., Vestine E., and Ball R. Estimated surface motions of the Earth's core. J. Geophys. Res. 72 (1967) 1095-1108
13. Le Mouël J.-L. Outer-core geostrophic flow and secular variation of Earth's geomagnetic field. Nature 311 (1984) 734-735
14. Love J. A critique of frozen-flux inverse modelling of a nearly steady geodynamo. Geophys. J. Int. 138 (1999) 353-365
15. Macmillan S., and Maus S. International geomagnetic reference field: the tenth generation. Earth Planets Space 57 (2005) 1135-1140
16. Olsen N., Lühr H., Sabaka T., Mandea M., Rother M., and Toffner-Clausen L.A. CHAOS: a model of the Earth's magnetic field derived from CHAMP, Oersted, and SAC-C magnetic satellite data. Geophys. J. Int. 166 (2006) 67-75
17. Roberts P., and Scott S. On the analysis of the secular variation. 1. A hydromagnetic constraint: Theory. J. Geomag. Geoelec. 17 (1965) 137-151
18. Voorhies C., and Backus G. Steady flows at the top of the core from geomagnetic field models: the steady motion theorem. Geophys. Astrophys. Fluid Dynam. 32 (1985) 163-173
19. Waddington R., Gubbins D., and Barber N. Geomagnetic field analysis-V. Determining steady core-surface flows directly from geomagnetic observations. Geophys. J. Int. 122 1 (1995) 326-350
20. Walker M., and Jackson A. Robust modelling of the Earth's magnetic field. Geophys. J. Int. 143 3 (2000) 799-808
21. Wardinski I., and Holme R. A time-dependent model of the Earth's magnetic field and its secular variation for the period 1980-2000. J. Geophys. Res. 111 (2006) B12101
22. Whaler K. Does the whole of the Earth's core convect?. Nature 287 (1980) 528-530
23. Whaler K.A. Geomagnetic evidence for fluid upwelling at the core-mantle boundary. Geophys. J. R. Astr. Soc. 86 (1986) 563-588
24. Whaler, K.A., 2007. Encyclopedia of geomagnetism and paleomagnetism. Springer, Dordrecht, pp. 84-89 (Article: Core Motions).