The influence of time variations on aeromagnetic surveying

W. D. Parkinson

doi:10.1071/EG999113

ISSN: 0812-3985
E-ISSN: 1834-7533

The influence of time variations on aeromagnetic surveying
Authors W. D. Parkinson^a
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^a 68 Risdon Road New Town, , Tasmania, 7008
Publisher: Australian Society of Exploration Geophysicists
Source: Exploration Geophysics, Volume 30, Issue 3-4, Sep 1999, p. 113 - 114
DOI: https://doi.org/10.1071/EG999113
- Published online: 01 Sep 1999

Abstract

Time varying magnetic fields can influence the accuracy of aeromagnetic surveys. The effect is more pronounced at lower latitudes. It can be quite small at higher latitudes if the induction vector points towards the equator. In any latitude, east–west variations have little effect.

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1999-09-01

2026-01-14

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References

Lilley, F.E.M., Hitchman A., and Wang L.J., Time varying effects in magnetic mapping: amphidromes, doldrums and induction hazard. Geophysics (in press).
Milligan, P.R., and Barton C.E., 1997, Transient and Induced Variations in Aeromagnetics. Australian Geological Survey Organisation, Record 1997/27.
Parkinson, W.D. 1962, The influence of continents and oceans on geomagnetic variations. G. Jour. R. Astro. Soc. 6, 441–449.

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Article Type: Research Article

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The influence of time variations on aeromagnetic surveying

Abstract

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