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

Fig. 3

From: Latitudinal and interhemispheric differences of the ionospheric semi-diurnal lunitidal perturbations during the 2009 Arctic sudden stratospheric warming event in the eastern Asia–Australia sector

Fig. 3

The vertical TEC and EEJ strength data as a function of cumulative days from 1 January 2009 and solar local time over the eastern Asia–Australia sector at different geomagnetic latitudes. The vertical dashed lines are the same as those in Fig. 2a. The white dots and circles indicate the dates of the full moon and the new moon

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