Extended Data Fig. 6: Examples of the nonlinear relationship between the PC1 and PC2 time series in some non-selected models.
From: Increased variability of eastern Pacific El Niño under greenhouse warming
a–d, December–February averages for ACCESS1-3 (a), inmcm4 (b), IPSL-CM5A-MR (c) and bcc-csm1-1 (d). In contrast to the selected models (Extended Data Fig. 4), these models display a weak or no nonlinear relationship between PC1 and PC2.
