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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 6 | Geoscience Letters

Fig. 6

From: Electrodynamics of ionospheric weather over low latitudes

Fig. 6

a Lomb-scargle normalized periodograms of the zonal winds measured by TIMED-TIDI at 87.5, 90.0, and 92.5 km altitude as a functions of latitude during January 17–31, 2010. The white contour lines mark the 85 % statistical confidence level; b Lomb-scargle periodogram of the IGS TEC values for the selected time interval of January 15–27, 2010 at various magnetic latitudes. The dashed line marks the 20°S magnetic latitude (Liu et al. 2012)

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