Magnetic Polarity Reversals in the Core

Treatise on Geophysics

Volumn 8, Issue , 2007, Pages 283-297

  Glatzmaier, G A ^a   Coe, R S ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Geodynamo simulations; Magnetic polarity reversals; Paleomagnetic observations

Indexed keywords

EID: 84882905190     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1016/B978-044452748-6.00135-8     Document Type: Chapter

References (59)

1. Acton G., Guyodo Y., Brachfeld S. The nature of a cryptochron from a paleomagnetic study of chron C4r.2r recorded in sediments off the Antarctic Peninsula. Physics of the Earth and Planetary Interiors 2006, 156:213-222.
2. Besse J., Courtillot V. Apparent and true polar wander and the geometry of the geomagnetic field over the last 200Myr. Journal of Geophysical Research 2002, 107(6-1):6-31.
3. Bonanno A., Elstner D., Belvedere G. Advection-dominated solar dynamo model with two-cell meridional flow a positive alpha-effect in the tachocline. Astronomische Nachrichten 2006, 327:680-685.
4. Busse F.H. Convective flows in rapidly rotating spheres and their dynamo action. Physics of Fluids 2002, 14:1301-1314.
5. Camps P., Coe R.S., Prevot M. Transitional geomagnetic impulse hypothesis: Geomagnetic fact or rock-magnetic artifact?. Journal of Geophysical Research 1999, 104:17747-17758.
6. Champion D.E., Lanphere M.A., Kuntz M.A. Evidence for a new geomagnetic reversal from lava flows in Idaho: Discussion of short polarity reversals in the Brunhes and late Matuyama polarity chrons. Journal of Geophysical Research 1988, 93:11667-11680.
7. Channell J.E.T., Lehman B. The last two geomagnetic polarity reversals recorded in high-deposition-rate sediment drifts. Nature 1997, 389:712-715.
8. Clement B.M. Geographical distribution of transitional VGPs - Evidence for non-zonal equatorial symmetry during the Matuyama-Brunhes geomagnetic reversal. Earth and Planetary Science Letters 1991, 104:48-58.
9. Clement B.M. Dependence of the duration of geomagnetic polarity reversals on site latitude. Nature 2004, 428:637-640.
10. Coe R.S., Glatzmaier G.A. Symmetry and stability of the geomagnetic field. Geophysical Research Letters 2006, 33:L21311. (doi: 10.1029/2006GL027903).
11. Coe R.S., Glen J.M.G. The complexity of reversals. Geophysical Monograph Series, Vol. 145: Timescales of the Internal Geomagnetic Field 2004, 221-232. AGU, Washington, DC. J.E.T. Channell, D.V. Kent, W. Lowrie, J.G. Meert (Eds.).
12. Coe R.S., Hongre L., Glatzmaier G.A. An examination of simulated geomagnetic reversals from a palaeomagnetic perspective. Philosophical Transactions of the Royal Society of London, Series A 2000, 358:1141-1170.
13. Dormy E., Valet J.-P., Courtillot V. Numerical models of the geodynamo and observational constraints. Geochemistry, Geophysical, and Geosystems 2000, 1. (doi: 2000GC000062).
14. Dunlop D.J., Yu Y. Intensity and polarity of the geomagnetic field during Precambrian time. Geophysical Monograph Series, Vol. 145: Timescales of the Internal Geomagnetic Field 2004, 85-100. AGU, Washington, DC. J.E.T. Channell, D.V. Kent, W. Lowrie, J.G. Meert (Eds.).
15. Giesecke A., Rudiger G., Elstner D. Oscillating alpha-squared-dynamos and the reversal phenomenon of the global geodynamo. Astronnomische Nachrichten 2005, 326:693-700.
16. Gilder S., Chen Y., Cogne J.P., Tan X.D., Courtillot V., Sun D.J., Li Y.G. Paleomagnetism of Upper Jurassic to Lower Cretaceous volcanic and sedimentary rocks from the western Tarim Basin and implications for inclination shallowing and absolute dating of the M-0 (ISEA?) chron. Earth and Planetary Science Letters 2003, 206:587-600.
17. Gilman P.A. Dynamically consistent nonlinear dynamos driven by convection in a rotating spherical shell. II: Dynamos with cycle and strong feedbacks. Astrophysical Journal Supplement Series 1983, 53:243-268.
18. Glatzmaier G.A. Numerical simulations of stellar convective dynamos. II: Field propagation in the convection zone. Astrophysical Journal 1985, 291:300-307.
19. Glatzmaier G.A. Geodynamo simulations - How realistic are they?. Annual Review of Earth and Planetary Sciences 2002, 30:237-257.
20. Glatzmaier G.A., Coe R.S., Hongre L., Roberts P.H. The role of the Earth's mantle in controlling the frequency of geomagnetic reversals. Nature 1999, 401:885-890.
21. Glatzmaier G.A., Roberts P.H. A three-dimensional self-consistent computer simulation of a geomagnetic field reversal. Nature 1995, 377:203-209.
22. Glen J.M.G., Coe R.S., Liddicoat J.C. A detailed record of paleomagnetic field change from Searles Lake, California 2. The Gauss Matuyama polarity reversal. Journal of Geophysical Research 1999, 104:12883-12894.
23. Gubbins D., Coe R.S. Longitudinally confined geomagnetic reversal paths from non-dipolar transition fields. Nature 1993, 362:51-53.
24. Guyodo Y., Valet J.P. Global changes in intensity of the Earth's magnetic field during the past 800kyr. Nature 1999, 399:249-252.
25. Hartl P., Tauxe L. A Precursor to the Matuyama/Brunhes transition-field instability as recorded in pelagic sediments. Earth and Planetary Science Letters 1996, 138:121-135.
26. Hoffman K.A. Dipolar reversal states of the geomagnetic field and core mantle dynamics. Nature 1992, 359:789-794.
27. Hoffman K.A., Singer B.S. Regionally recurrent paleomagnetic transitional fields and mantle processes. Geophysical Monograph Series, Vol. 145: Timescales of the Internal Geomagnetic Field 2004, 233-243. AGU, Washington, DC. J.E.T. Channell, D.V. Kent, W. Lowrie, J.G. Meert (Eds.).
28. Hollerbach R., Jones C.A. Influence of the Earth's core on geomagnetic fluctuations and reversals. Nature 1993, 365:541-543.
29. Jarboe N.A., Coe R.S., Glen J.M., Renne P.R. Compilation of a composite geomagnetic polarity reversal path recorded in basalts erupted during initial Yellowstone hotspot volcanism. EOS, Transaction of the American Geophysical Union, Fall Meeting Supplement 2005, 85(52). GP21A-0016.
30. Johnson C.L., Constable C.G. The time-averaged geomagnetic field: Global and regional biases for 0-5Ma. Geophysical Journal International 1997, 131:643-666.
31. Kageyama A., Ochi M.M., Sato T. Flip-flop transitions of the magnetic intensity and polarity reversals in the magnetohydrodynamic dynamo. Physical Review Letters 1999, 82:5409-5412.
32. Kida S., Araki K., Kitauchi H. Periodic reversals of magnetic field generated by thermal convection in a rotating spherical shell. Journal of the Physical Society of Japan 1997, 66:2194-2201.
33. Kono M., Roberts P.H. Recent geodynamo simulations and observation of he geomagnetic field. Reviews of Geophysics 2002, 40:1013. (doi: 10.1029/2000RG000102).
34. Kutzner C., Christensen U. From stable dipolar to reversing numerical dynamos. Physics of the Earth and Planetary Interiors 2002, 121:29-45.
35. Kutzner C., Christensen U.R. Simulated geomagnetic reversals and preferred virtual geomagnetic pole paths. Geophysical Journal International 2004, 157:1105-1118.
36. Laj C., Mazaud A., Weeks R., Fuller M., Herrero-Bervera E. Geomagnetic reversal paths. Nature 1991, 351:447.
37. Love J.J. Statistical assessment of preferred transitional VGP longitudes based on palaeomagnetic lava data. Geophysical Journal International 2000, 140:211-221.
38. Lund S., Stoner J.S., Channell J.E.T., Acton G. A summary of Brunhes paleomagnetic field variability recorded in ocean drilling program cores. Physics of the Earth and Planetary Interiors 2006, 156:194-204.
39. Mankinen E.A., Prévot M., Grommé C.S., Coe R.S. The Steens Mountain (Oregon) geomagnetic polarity transition.1: Directional history, duration of episodes, and rock magnetism. Journal of Geophysical Research 1985, 90:393-416.
40. McElhinny M. Geocentric axial dipole hypothesis: A least squares perspective. Geophysical Monograph Series, Vol. 145: Timescales of the Internal Geomagnetic Field 2004, 1-12. AGU, Washington, DC. J.E.T. Channell, D.V. Kent, W. Lowrie, J.G. Meert (Eds.).
41. McFadden P.L., Barton C.E., Merrill R.T. Do virtual geomagnetic poles follow preferred paths during geomagnetic reversals?. Nature 1993, 361:342-344.
42. McFadden P.L., Merrill R.T., McElhinny M.W., Lee S. Reversals of the Earth's magnetic field and temporal variations of the dynamo families. Journal of Geophysical Research 1991, 96:3923-3933.
43. Merrill R.T. The Magnetic Field of the Earth 1996, Academic Press, San Diego, CA, 531 pp.
44. Merrill R.T., McFadden P.L. Geomagnetic polarity transitions. Reviews of Geophysics 1999, 37:201-226.
45. Ogg J.G. The Jurassic Period. A Geologic Time Scale 2004, 307-343. Cambridge University Press, Cambridge. F.M. Gradstein, J.G. Ogg, A.G. Smith (Eds.).
46. Ogg J.G., Agterberg F.P., Gradstein F.M. The Cretaceous Period. A Geologic Time Scale 2004, 344-383. Cambridge University Press, Cambridge. F.M. Gradstein, J.G. Ogg, A.G. Smith (Eds.).
47. Olson P., Christensen U.R. The time-averaged magnetic field in numerical dynamos with nonuniform boundary heat flow. Geophysical Journal International 2002, 151:809-823.
48. Prévot M., Camps P. Absence of preferred longitude sectors for poles from volcanic records of geomagnetic reversals. Nature 1993, 366:53-57.
49. Reshetnyak M., Steffen B. A dynamo model in a spherical shell. Numerical Methods and Programming 2005, 9:27-34. http://www.num-meth.srcc.msu.su.
50. Roberts P.H., Glatzmaier G.A. The geodynamo, past, present and future. Geophysical and Astrophysical Fluid dynamics 2001, 94:47-84.
51. Sarson G.R., Jones C.A. A convection driven geodynamo reversal model. Physics of the Earth and Planetary Interiors 1999, 111:3-20.
52. Singer B.S., Hoffman K.A., Coe R.S., et al. Structural and temporal requirements for geomagnetic field reversal deduced from lava flows. Nature 2005, 434:633-636.
53. Takahashi F., Matsushima M., Honkura Y. Simulations of a Quasi-Taylor state geomagnetic field including polarity reversals on the Earth Simulator. Science 2005, 309:459-461.
54. Tarduno J.A. A brief reversed polarity interval during the cretaceous normal polarity superchron. Geology 1990, 18:683-686.
55. Tauxe L., Herbert T., Shackleton N.J., Kokk Y.S. Astronomical calibration of the Matuyama-Brunhes boundary: Consequences for magnetic remanence acquisition in marine carbonates and the Asian loess sequences. Earth and Planetary Science Letters 1996, 140:133-146.
56. Valet J.P., Tucholka P., Courtillot V., Meynadier L. Palaeomagnetic constraints on the geometry of the geomagnetic field during reversals. Nature 1992, 356:400-407.
57. Wicht J. Inner-core conductivity in numerical dynamo simulations. Physics of the Earth and Planetary Interiors 2002, 132:281-302.
58. Wicht J., Olson P. A detailed study of the polarity reversal mechanism in a numerical dynamo model. Geochemistry, Geophysics, and Geosystems 2004, 5. (doi: 10.1029/2003GC000602).
59. Wilson R.L. Dipole offset: The time-averaged palaeomagnetic field over the past 25 million years. Geophysical Journal Royal Astronomical Society 1971, 22:491-504.