Time intermittency and spectral features of the geomagnetic field

Annals of Geophysics

Volumn 47, Issue 6, 2004, Pages 1713-1722

  De Michelis, Paola ^a   Consolini, Giuseppe ^b  

^a ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA   (Italy)

^b CNR   (Italy)

Author keywords

Earth's core; Fluid dynamics; Geomagnetic field; Nonlinear processes in geophysics; Turbulence

Indexed keywords

GEOMAGNETIC FIELD; MAGNETIC FIELD;

EID: 17644392385     PISSN: 15935213     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (27)

1. Backus, G., Parker, R. and Constable, C. (1996): Foundations of Geomagnetism (Cambridge University Press), p. 249.
2. Barton, C.E. (1982): Spectral analysis of palaeomagnetic time series and the geomagnetic spectrum, Phylos. Trans. R. Soc. London Ser. A, 306, 203-209.
3. Barton, C.E. (1983): Analysis of paleomagnetic time series-technique and applications, Geophys. Surv., 5, 335-368.
4. Benzi, R., G. Paladin, G. Parisi and A. Vulpiani (1984): On the multifractal nature of fully developed turbulence and chaotic systems, J. Phys. A: Math. Gen., 17 (18), 3521-3531.
5. Bloxham, J. and A. Jackson (1991): Fluid flow near the surface of the Earth's outer core, Rev. Geophys., 29, 97-120.
6. Bloxham, J., D. Gubbins and A. Jackson (1989): Geomagnetic secular variation, Philos. Trans. R. Soc. London, A329, 415-502.
7. Braginsky, S.I. and V.P. Meytlis (1990): Local turbulence in the Earth's core, Geophys. Astrophys. Fluid Dyn., 55, 71-87.
8. Branover, H., S.S. Moiseev, E. Golbraikh and A. Eidelman (1999): Turbulence and Structures: Chaos, Fluctuations, and Helical Self-Organization in Nature and Laboratory (San Diego, Academic Press), pp. 270.
9. Carbone, V. (1993): Cascade model for intermittency in fully-developed magnetohydrodynamic turbulence, Phys. Rev. Lett., 71, 1546-1548.
10. Carbone, V. (1994): Scaling exponents of the velocity structure functions in the interplanetary medium, Ann. Geophysicae, 12 585-590.
11. Courtillot, V. and J.L. Le Mouël (1988): Time variations of the earth's magnetic field. From daily to secular, Ann. Rev. Earth Planet. Sci., 16, 389-476.
12. De Michelis, P., G. Consolini and A. Meloni (1998): Sign singularity in the secular acceleration of the geomagnetic field, Phys. Rev. Lett. 81, 5023-5026.
13. Del Castillo-Negrete, D. (2000): Chaotic transport in zonal flows in analogous geophysical and plasma systems, Phys. Plasmas, 7, 1702-1711.
14. Filloux, J.H. (1980): Observation of very low frequency electromagnetic signals in the ocean, J. Geomagn. Geoelectr., 32 (supplement ton. n. 1), 1-12.
15. Frisch, U. (1995): Turbulence: the Legacy of A.N. Kolmogorov (Cambridge University Press), pp. 296.
16. Golovkov, V.P., G.I. Kolomutzeva, L.P. Konyashenko and G.M. Semyonova (1983): The summary of annual mean values of magnetic elements at world magnetic observatories, Acad. Sci. URSS, XVI.
17. Grauer, R., J. Krug and C. Marliani (1994): Scaling of high-order structure functions in magneto-hydrodynamic turbulence, Phys. Lett. A 195, 335-338.
18. Kolmogorov, A. N. (1962): A refinement of previous hypothesis concerning the local structure of turbulence in a viscous incompressible fluid at high Reynolds number, J. Fluid Mech., 13, 82-85.
19. Kraichnan, R.H. (1965): Inertial range spectrum of hydromagnetic turbulence, Phys. Fluids, 8, 1385-1390.
20. Kukharkin, N., S.A. Orzag and V. Yakhot (1995): Quasi-crystallization of vortices in drift-wave turbulence, Phys. Rev. Lett., 75, 2486-24888.
21. Meneveau, C. and K.R. Sreenivasan (1987): Simple multifractal cascade model for fully developed turbulence, Phys. Rev. Lett., 59, 1424-1427.
22. Ottaviani M. and J.A. Krammes (1992): Weak- and strong-turbulence regimes of the forced Hasegawa-Mima equation, Phys. Rev. Lett., 69, 2923-2926.
23. Politano, H. and A. Pouquet (1995): Model of intermittency in magnetohydrodynamic turbulence, Phys. Rev. E, 52, 636-641.
24. Roberts, P.H. and S. Scott, S. (1965): On the analysis of the secular variation, 1. A hydromagnetic constraint: theory, J. Geomag. Geoelectr., 17, 137-151.
25. She, Z.-S. and E. Leveque (1994): Universal scaling laws in fully developed turbulence, Phys Rev. Lett., 72, 336-339.
26. Stevenson, D.J. (1969): Turbulent thermal convection in the presence of rotation and a magnetic field: a heuristic theory, Geophys. Astrophys. Fluid Dyn., 12, 139-169.
27. Vörös, Z. and J.C. Gianibelli (1998): On intermittent fluctuations of the earth's fluid core motions, Contrib. Geophys. Geod., 28 277-285.