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The IMFs of the Mg II index are shown from the first (highest frequency) to the last (lowest frequency) starting from the top. The datasets cover the time between May 2003 and October 2015. The bottom panel corresponds to the 11-year Schwabe cycle.
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.