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A statistical model of the geomagnetic field (1964)

Irving, Edward ; Ward, Martin A.

Springer

Pure and applied geophysics 57 (1964), S. 47-52

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ISSN: 1420-9136

Source: Springer Online Journal Archives 1860-2000

Topics: Geosciences , Physics

Notes: Summary A statistical model of the geomagnetic field is derived, based on the assumption of an axial geocentric dipole field of strengthH e at the equator perturbed by randomly directed components of constant magnitudeh. The model fits the dispersions found from an analysis of the 1945 field, and the ratioh/H e obtained for this field and from the palaeomagnetic data both average to about 0.4. The model predicts that during reversal of the dipole field, the field intensity falls to between 0.2 and 0.4 of the steady field intensity, and this agrees with estimates made from the palaeomagnetic observations.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00879707

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