Fig. 5
Download original image
Left panels: The significance level for the time-lagged cross-correlation after 10,000 MC-iterations for the period 1968–2020 in the NH for the months DJF (top panel), MAM (middle top panel), JJA (middle bottom panel) and SON (bottom panel). FDR interval is set between lead and lag −13 to +13. Statistical significance after the FDR method is observed in MAM at lead-lag −4 in the NH and in JJA at lead-lag 7 in the SH. Right panels: Same procedure, only for the SH. No significance is observed after the FDR method.
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.