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Intergovernmental Panel on Climate Change Working Group I:
The Physical Science Basis of Climate Change
Chapter 6, Palaeoclimate, Figure 6.10.


Fig 6.10. Reconstructions using multiple climate proxy records. Figure 6.10.
Records of NH temperature variation during the last 1.3 kyr.
(a) Annual mean instrumental temperature records, identified in Table 6.1. (b) Reconstructions using multiple climate proxy records, identified in Table 6.1, including three records (JBB..1998, MBH..1999 and BOS..2001) shown in the TAR, and the HadCRUT2v instrumental temperature record in black. (c) Overlap of the published multi-decadal time scale uncertainty ranges of all temperature reconstructions identified in Table 6.1 (except for RMO..2005 and PS2004), with temperatures within ±1 standard error (SE) of a reconstruction 'scoring' 10%, and regions within the 5 to 95% range 'scoring' 5% (the maximum 100% is obtained only for temperatures that fall within ±1 SE of all 10 reconstructions). The HadCRUT2v instrumental temperature record is shown in black. All series have been smoothed with a Gaussian-weighted filter to remove fluctuations on time scales less than 30 years; smoothed values are obtained up to both ends of each record by extending the records with the mean of the adjacent existing values. All temperatures represent anomalies (°C) from the 1961 to 1990 mean.
Download Data from the WDC Paleo archive:
Data for panels (a) and (b):
smoothed (as plotted)
unsmoothed

Data for panel (c):
Reconstruction overlaps, smoothed (as plotted)
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