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

Fig. 1.

From: Equatorial vertical plasma drifts and the measured and IRI model-predicted F2-layer parameters above Ouagadougou during solar minimum

Fig. 1.

A comparison between calculated F2-layer peak altitude (hmF2) (right vertical axis, solid curve) and IRI vertical E × B plasma drift velocity (left vertical axis, dashed curve) for January (upper left), April (upper right), July (lower left) and October (lower right) during low solar activity year of 1987. The monthly averaged smoothed sunspot index, R Z for each month is shown on each panel.

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