Westward drift of the geomagnetic field and its relation to motions of the earth's core.

Westward drift of the geomagnetic field and its relation to motions of the earth's core.

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Calculation of the westward drift of the earth's magnetic field for epoch 1960 by the method of least-square fit. The drifts of he magnetic potential and of the radial magnetic field are calculated at the surface of the earth and at the surface of th...