I composited Antarctic ice core temperature data (Petit, et al. 1999) with the longest and latest southern hemisphere multiproxy reonstruction from Mann, et al, 2008, to produce temperature changes for the past 10000 years.
The graph shows three things, none helpful for your purposes, I believe. 1. Temperature at a single site in Antarctica has varied alot over the past 10,000 years, even when smoothed. 2. There was a warm period about 6,000 years ago. This is well known. Whether warmer than today is still a research topic. 3. For the past few centuries, the increase in co2 has outpaced the increase in temperature. This is also a research issue, but related to the hypothesis that the climate is no longer in equilibrium. [David M. Anderson, NOAA, Boulder]
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