Abstract
Models of the magnetic field at the core–mantle boundary at selected epochs from 1715.0 to 1980.0 reveal novel features in the field at the core. These suggest that the flow of core fluid is coupled to the mantle, and that magnetic diffusion is significant.
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Bloxham, J., Gubbins, D. The secular variation of Earth's magnetic field. Nature 317, 777–781 (1985). https://doi.org/10.1038/317777a0
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DOI: https://doi.org/10.1038/317777a0
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