Fig. 6 | Scientific Reports

Fig. 6

From: Metastability and teleconnection of atmospheric circulation via hidden Markov models and network modularity

Fig. 6

Leading three IMFs of PDO winter mean index (orange), regimes 2 (black) and regime 3 (blue) frequencies. The PDO IMFs time series in the middle and bottom left panels are multiplied by −1 (inverted) for convenience. Correlation coefficients of regime IMFs with corresponding PDO IMFs (non-inverted) are also indicated. In the bottom panels correlation of PDO IMF3 with 1-year lagged IMFs 3 of regimes 2 and 3 are also shown. The year in the x-axis refers to that of January.

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