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Progress in Earth and Planetary Science
Fig. 7 | Progress in Earth and Planetary Science

Fig. 7

From: Day-to-day and short-term variabilities in the equatorial plasma bubble/spread F irregularity seeding and development

Fig. 7

The local time variations during 10, 11, and 12 October 2008 in: Isolines of F layer height (hF) at sequential plasma frequencies (from 3 MHz to 12 MHz, and hmF2) (top panel); the vertical drift obtained as the mean of the drifts calculated as dhF/dt at the plasma frequencies, 4 MHz, 5 MHz, 6 MHz, and 7 MHz (second panel); the spread F intensity represented by the range of spreading in kilometers (third panel). Auroral activity index AE (bottom panel)

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