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Fig. 4.

image

Direct comparison of inferred coronal Silicon to Sulphur coronal abundance (second panel) at the predicted solar wind source regions and solar wind Iron to Oxygen abundance (third panel). Dashed horizontal lines show photospheric abundances taken from Scott et al. (2015a,b). Top panel: in situ measured solar wind speed for context, and the bottom panel shows the predicted footpoint Carrington longitude.

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