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To: Brumar89 who wrote (829013)	1/9/2015 8:19:17 PM
From: Wharf Rat	Read Replies (1) of 1575453

Everybody know Mann uses proxy data followed by actual thermometer readings. I just gave you 36 studies that do the same thing. This is the largest study. Quit your sniveling. Continental-scale temperature variability during the past two millennia PAGES 2k Consortium Abstract Abstract• Change history• References• Author information• Supplementary information Past global climate changes had strong regional expression. To elucidate their spatio-temporal pattern, we reconstructed past temperatures for seven continental-scale regions during the past one to two millennia. The most coherent feature in nearly all of the regional temperature reconstructions is a long-term cooling trend, which ended late in the nineteenth century. At multi-decadal to centennial scales, temperature variability shows distinctly different regional patterns, with more similarity within each hemisphere than between them. There were no globally synchronous multi-decadal warm or cold intervals that define a worldwide Medieval Warm Period or Little Ice Age, but all reconstructions show generally cold conditions between ad 1580 and 1880, punctuated in some regions by warm decades during the eighteenth century. The transition to these colder conditions occurred earlier in the Arctic, Europe and Asia than in North America or the Southern Hemisphere regions. Recent warming reversed the long-term cooling; during the period ad 1971–2000, the area-weighted average reconstructed temperature was higher than any other time in nearly 1,400 years. nature.com Figure 3: Temperature evolution according to some previous studies (a) and from the new PAGES 2k reconstruction (b). The panels f, g and h show the radiative forcing, see text. Source: Nature Geoscience . ( Click here for enlarged image.)

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