Free Access
Fig. 7
Time-latitude diagrams of the surface radial field (top panel) and the bottom toroidal field (bottom panel) with an example of a strong cycle in the range between 30 and 50 yr.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.