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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Local time and longitudinal variation of the ionospheric radial current: swarm observations and TIE–GCM simulations

Fig. 3

Longitudinal distribution of the normalized IRC around noon as observed by Swarm satellites (a). b TIE–GCM-simulated IRC without tidal input. c TIE–GCM IRC with total tidal inputs. d–f Residual IRC induced by d total tides, e migrating tides, and f nonmigrating tides, respectively. Black, red, and blue curves denote the equinox, JS, and DS, respectively. Larger normalized IRC in (a–c) represent weaker inward currents. Positive values in (d–f) represent outward currents. The correlation coefficients between model outputs and observations are given for each season. Arrows (double arrows) represent the direction in which the inward or outward current becomes stronger or weaker

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