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Earth, Planets and Space
Fig. 4 | Earth, Planets and Space

Fig. 4

From: Seasonal variation of inter-hemispheric field-aligned currents deduced from time-series analysis of the equatorial geomagnetic field data during solar cycle 23–24

Fig. 4

Long-term ∆D variation with F10.7 and Dst index, from 1999 to 2019. a 61-day centered moving-averaged ∆D respect to each local time (LT), gray shade patch indicates the lack of data; b 61-day centered moving-averaged ∆ D in dawn sector (06–08 h, LT); c 61-day centered moving-averaged ∆ D in noon sector (11–13 h, LT); d 61-day centered moving-averaged ∆ D in dusk sector (16–18 h, LT); e 61-day centered moving-averaged daily F10.7 index; f daily Dst index and 61-day centered moving-averaged daily Dst index are plotted with gray and black solid lines, respectively

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