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National Geomagnetism Program

Movies

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Maps for the Earth's Surface
Declination Flash (2.8M) GIF (3.3M)
Inclination Flash (2.2M) GIF (3.3M)
Horizontal Intensity Flash (340K) GIF (1.2M)
Total Intensity Flash (368K) GIF (1.3M)
Vertical Intensity Flash (728K) GIF (1.2M)
Maps for the Core's surface  
Radial Field Flash (676K) GIF (4.8M)

References

  • Bloxham, J., Gubbins, D. & Jackson, A., 1989. Geomagnetic secular variation, Phil. Trans. R. Soc. London, A 329, 415-502.
  • Bloxham, J. & Jackson, A., 1992. Time-Dependent Mapping of the Magnetic Field at the Core-Mantle Boundary, J. Geophys. Res., 97, 19537-19563.
  • Jackson, A., Jonkers, A. R. T. & Walker, M. R., 2000. Four centuries of geomagnetic secular variation from historical records, Phil. Trans. R. Soc. London, A 358, 957-990.
  • Jackson, A., Jonkers, A. R. T., Mandea, M. & Murray, A., 2003. Earth's magnetic field in the early 19th century from French sources, Geochem. Geophys. Geosyst., 4, 1-12, 1054, doi:10.1029/2002GC000494.
  • Jonkers, A. R. T., Jackson, A. & Murray, A., 2003. Four Centuries of Geomagnetic Data from Historical Records, Rev. Geophys. 41, 1-36, 1006, doi:10.1029/2002RG000115.

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