Conditions for the geomagnetic induction relationship |
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| Authors: | WD Parkinson BA Hobbs |
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| Institution: | 1. Geology Department, University of Tasmania, Hobart, TasmaniaAustralia;2. Geophysics Department, University of Edinburgh, EdinburghGreat Britain |
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| Abstract: | A sufficient condition for the linear relationship between the vertical and horizontal components of the time-varying geomagnetic field is that the primary field can be expressed as a linear sum of two fields, each of which has a consistent morphology. This is approximately fulfilled if local induction is predominant and the primary field is approximately horizontal. |
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