A fast-moving feature of westward drift

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D. R. Barraclough
S. R. C. Malin


he dominant feature in the magnetic declination record at all European sites for which adequate data are available is a minimum between 1750 and 1860. The time of minimum at different sites correlates well with longitude and implies a westward drift rate of 0.61 ± 0.08° yr-1. This is greatly in excess of the widely adopted value of 0.18° yr-1 for global westward drift.

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Barraclough, D. R. and Malin, S. R. C. (1999) “A fast-moving feature of westward drift”, Annals of Geophysics, 42(1). doi: 10.4401/ag-3696.