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Fig. 11 | Earth, Planets and Space

Fig. 11

From: The Mag.num core field model as a parent for IGRF-13, and the recent evolution of the South Atlantic Anomaly

Fig. 11

Intensity (F, ac) and vertical component (Z, df) for three depths, namely the reference Earth surface radius (0 km), 1600 km, and 2400 km. Several extrema in both field components are labelled and further information about them is given in Table 3. The black line in (a) is the contour line through the saddle point, the black line in (d) indicates the magnetic equator, and the red line in (a, d) indicates the great circle profile as shown in Fig. 7

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