An investigation in the use of satellite data to develop a geomagnetic secular variation model over Southern Africa.
Time variations of the geomagnetic field can be classified into two main categories of internal and external origin with respect to the surface of the Earth. It has been found that the variations that take place on longer time scales (~ 1 year and longer) are commonly known as secular variation (SV)...
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| Language: | en |
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2012
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| Online Access: | http://hdl.handle.net/10413/5379 |