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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Recent geomagnetic secular variation from Swarm and ground observatories as estimated in the CHAOS-6 geomagnetic field model

Fig. 2

Histograms of satellite data residuals from CHAOS-6l, for vector field spatial differences (gradients). Blue colours are radial component differences, red/brown colours are north–south component differences, and green colours are east–west component differences. Top A comparison of Swarm along-track and east–west differences residuals. Darker colours are the along-track differences and brighter colours the east–west differences. Bottom A comparison of along-track Swarm residuals (darker colours) and along-track CHAMP residuals (brighter colours, with dots). The histograms have been normalized so that each has the same integrated area

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