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Computation of geomagnetic elements for Nigeria for the year 2000 and 2010

JA Olowofela, OR Salawu, OO Akinlade


The Earth's magnetic field may be considered to be the sum of two parts, the main geomagnetic field which originates from the earth's fluid core, and the anomaly field that has its sources in the earth crust. The analysis of the geomagnetic field residual or anomaly, obtained from the difference between these two sources are used for many applications. In the present study, the values of the geomagnetic elements were calculated for Nigeria for the year 2000 and 2010. The values of latitudes were plotted for each element land the contours were drawn from the vertical component and the total intensity. Also the changes in the values of each element for Nigeria was computed and plotted against the latitudes.

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