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Figure 9 | Earth, Planets and Space

Figure 9

From: Long-term variation in the upper atmosphere as seen in the geomagnetic solar quiet daily variation

Figure 9

Relationship between the residual Sq amplitude and the ambient magnetic field parameters. Relationship between the residual Sq amplitude and the ambient magnetic field parameters (total intensity and inclination) at the Addis Ababa (left panels a and b) and Chambon-La-Foret (right panels c and d) stations. The Addis Ababa and Chambon-La-Foret stations are located near the dip equator and in the middle-latitude region, respectively. The red marks in each panel indicate the values on January 1950, 1960, 1970, 1980, 1990, 2000, and 2010.

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