Fig. 9 | Climate Dynamics

Fig. 9

From: North Atlantic gyre circulation in PRIMAVERA models

Fig. 9

Cross-correlation between the NAO index (leading) and the PC1. Series were filtered with a 7 years low-pass filter before computing the cross-correlations. The area enclosed by dotted lines represents the 95% confidence levels calculated as 2/sqrt(N), where N is the number of independent data based on the time that takes autocorrelation to fall below 1/e. Positive lags mean NAO leads PC1

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