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Earth, Planets and Space
Fig. 9 | Earth, Planets and Space

Fig. 9

From: Analysis of temporal–longitudinal–latitudinal characteristics in the global ionosphere based on tensor rank-1 decomposition

Fig. 9

Large-scale latitudinal variations in the ionosphere in geomagnetic coordinates during the geomagnetic quiet time. The red, black dotted, and black dotted dash lines indicate the positions of the barycenter, and south and north maximum of \(U^{(3)}\), respectively. The x-axis is the geomagnetic latitude ranging from \(-\,87.5^{\circ }\) to \(87.5^{\circ }\)

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