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Surface Temperature Reconstructions for the last 2,000 Years
FIGURE 2-5 Smoothed zonal mean anomalies of surface temperature (in K) for the observations in each latitude band from 1890 to 1999. Anomalies are relative to the 1961–1990 climatology. SOURCE: Delworth and Knutson (2000). Reprinted with permission from AAAS; copyright 2000.