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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Two current systems in the preliminary phase of sudden commencements in the magnetosphere

Fig. 1

Latitudinal dependences of the temporal variations of the H- and D-component ground magnetic fields associated with the SC in the latitudes from 60.8° to 78.5° in the northern hemisphere at 15 MLT. The vertical arrow in the right axis in each panel indicates the magnetic variation of 50 nT. The start time (t = 0) is the time when the solar wind shock passes x = 25Re

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