Abstract
Long period trends in climate are usually associated with solar disturbance1. For example, a close similarity has been demonstrated2,3 between variations in the length of day (LOD) with periods greater than about 10 yr and trends in several climatic indices over the past 150 yr. We point out here a correlation between variations in the Earth's magnetic field, the Earth's rotation rate and some climatic indicators, thus suggesting a possible long term influence of core motions on climate. We suggest that geomagnetic secular variation can be used to forecast a climatic change in the 1990s.
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Courtillot, V., Le Mouel, J., Ducruix, J. et al. Geomagnetic secular variation as a precursor of climatic change. Nature 297, 386–387 (1982). https://doi.org/10.1038/297386a0
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DOI: https://doi.org/10.1038/297386a0
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