Regional features of the geomagnetic field secular variations |
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| Authors: | T N Bondar V P Golovkov S V Yakovleva |
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| Institution: | (1) Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation, Russian Academy of Sciences, Troitsk, Moscow oblast, 142190, Russia |
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| Abstract: | The secular variations in the geomagnetic field have been studied based on the satellite vector magnetic survey. A high data accuracy made it possible to estimate the spatial and temporal characteristics of different variation types on the interval 1980–2007. The growth and decomposition of midlatitude foci have been qualitatively estimated, and the structure and velocity of a drifting equatorial anomaly have been determined. |
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