A comparison of the variability of a climate model
with paleotemperature estimates from a network of tree - ring densities.
Mann et al. thus calculated four nonsense correlations (Yule, 1926), one for each proxy, and proceeded
with their paleotemperature reconstructions.
Not exact matches
Our primary conclusions are based on a comparison of the longer term
paleotemperature changes from our reconstruction
with the well - documented temperature changes that have occurred over the last century, as documented by the instrumental record.
In North America the Post-Roman-Carolingian Period was marked by warm temperatures in the northern parts,
with mean
paleotemperatures in central Canada about 1 ° C above the present.
I will point out that newer estimates of transit times and positions of the galactic spiral arms are entirely inconsistent
with both Shaviv's earlier estimates and as an explanation for the
paleotemperature record.
As to the effects: at RealClimate and C - a-s, Gavin has recently said — using gramatically - complex sentences
with conditional clauses — that inclusion of the Tiljander proxies greatly strengthens and lengthens the validation period of a number of the
paleotemperature reconstructions that form the heart of Mann08.