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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 5 | Geoscience Letters

Fig. 5

From: Electrodynamics of ionospheric weather over low latitudes

Fig. 5

Daytime vertical E × B drifts measured over Jicamarca on a December 13–20, 2007 (control days) and b January 17–26, 2008 (around SSW days), as a function of local time. Data for different days are indicated with different symbols and colors. The expected average and standard deviation quiet-time values are indicated with black solid and dashed curves; c (top) Vertical drift observations by Jicamarca radar at 200–500 km. Red line presents observations on Jan 27, 2009, during SSW. Black line presents average behavior for winter season and low solar activity. Strong semidiurnal variation is observed during SSW. (bottom) Change in TEC at 75°W during SSW as function of local time and latitude

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