Noise Reduction Techniques for Use in Determining Local Geomagnetic Field Changes
| Author | |
| Abstract |
Measurements of the difference in total field $\Delta$F(t) have been made over a 16 km N-S path near Boulder. The behavior observed is quite different from that for an E-W path. The present accuracy of the narrow line rubidium magnetometers used is about 0.01 $\gamma$. The N-S variations appear to correlate mainly with variations in H rather than D, and may be associated with either gradients of external fields or currents in shallow conductivity anomalies. More recently three magnetometers have been set up on a straight E-W line so that the second difference can be measured, and a transfer function from field component variation to the second difference can be determined. A generalization of this approach will be used for analyzing USGS tectonomagnetic data from California. |
| Year of Conference |
1979
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| Start Page or Article ID |
55-59
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| Publisher |
Springer Netherlands
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| Conference Location |
Dordrecht
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| ISBN Number |
978-94-010-9825-0
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| DOI |
10.1007/978-94-010-9825-0_8
|
| Download citation | |
| Publication Status | |
| JILA PI | |
| JILA Topics | |
Conference Proceedings
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