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Earth, Planets and Space
Fig. 9 | Earth, Planets and Space

Fig. 9

From: Solar wind parameter and seasonal variation effects on the South Atlantic Anomaly using Tsyganenko Models

Fig. 9

Dst index effect. The figure shows the Dst index effect on the magnetic poles and on the SAA. a, b show the contour plots of the magnetic strength (black lines) and the field lines (white lines) for the two Dst index cases, − 7 nT (dotted lines) and − 210 nT (solid black lines), respectively. c corresponds to the contour mapping of the magnetic strength, according to b, where the white lines represent the initial position of the magnetic pole boundaries and the dotted black lines, the variations of the magnetic pole boundaries. Note: the contour lines and the colors are plotted according to the logarithmic scale

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