Figure 4

Figure 4. Lag-1 month autocorrelations of SST anomalies for the period 1982 to 1997 for the NCEP OI (top) and GISST 2.3b (bottom). Both series were detrended before computation, although this makes little difference. Values greater than 70% are stippled and less than 50% are shaded, and the contour interval is 10%.

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