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Fig. 2.


Super-synoptic maps of the photospheric magnetic field from February 1978 (CR 1665) to December 2016 (CR 2184) from simulations using active regions in both hemispheres with the decay term (top panel), in both hemispheres but without the decay term (second panel from the top), only in the southern hemisphere (third panel from the top), and only in the southern hemisphere but without the decay term (bottom panel).

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