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Earth, Planets and Space
Fig. 8 | Earth, Planets and Space

Fig. 8

From: Geomagnetic conjugacy of plasma bubbles extending to mid-latitudes during a geomagnetic storm on March 1, 2013

Fig. 8

Time-series plot of a SYM-H index, and geographic latitude–time plots of vertical TEC, b from 15° to 55° N at 142° E and c over geomagnetically conjugate points in the southern hemisphere for the location of 15°–55° N at 142° E on March 1, 2013. Panels d and e show temporal variations of vertical TEC near Wakkanai (45.0° N, 142.0° E) and the geomagnetically conjugate point to Wakkanai (− 28.4° N, 138.0° E) on March 1, respectively. The dashed red curves in Panels f and g indicate the vertical TEC values on March 8, which was the geomagnetically quietest day in March 2013. Panels f and g show ionospheric virtual heights (h’F) at Wakkanai and Townsville on March 1, respectively. The dashed red curves in Panels f and g indicate the quiet-time values of ionospheric virtual heights on March 8. Universal time plus 9 h corresponds to the local time in the Asian sector (LT = UT + 9 h)

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