"the ipcc’s fourth assessment report, 2007, carries in three places a graph in which the hadley center’s global mean surface temperature anomaly dataset from 1850-2005 is displayed with four arbitrarily-chosen trend-lines overlaid upon it.
"the ipcc’s fourth assessment report, 2007, carries in three places a graph in which the hadley center’s global mean surface temperature anomaly dataset from 1850-2005 is displayed with four arbitrarily-chosen trend-lines overlaid upon it.
intergovernmental panel on climate change:286
the ipcc fourth assessment report (ar4) published in 2007 featured a graph showing 12 proxy based temperature reconstructions, including the three highlighted in the 2001 third assessment report (tar); mann, bradley & hughes 1999 as before, jones et al.