Differences between odd (i.e., Surveys 1, 3, 5, and 7) and even (Surveys 2, 4, 6, and 8) surveys in I, Q, and U (from left to right) for the 2015 (upper nine maps) and 2018 (lower nine maps) data releases. These maps are smoothed to 3 deg to reveal large-scale structures.
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.
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