a-Reconstruction

A review of temperature reconstructions

Guest essay by Andy May In previous posts (here and here), I’ve compared historical events to the Alley and Kobashi GISP2 Central Greenland Temperature reconstructions for the past 4,000 years. Unfortunately, these two reconstructions are very different. Recently Steve McIntyre has suggested a third reconstruction by Bo Vinther. Vinther’s data can be found here. Unfortunately,…

correlation tpw and cloud albedo

Precipitable Water Redux

Guest Post by Willis Eschenbach In my last post I investigated the mathematical relationship between the amount of total precipitable water vapor (TPW) in the atmosphere, and the clear-sky greenhouse effect. Here is the main figure from that post showing the relationship: Figure 1. Scatterplot, TPW (horizontal scale) versus Atmospheric Absorption (vertical scale). Dashed yellow…

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A possible Triple Climate Whammy for the UK ahead?

Guest opinion by John Hardy (UK) Abraham Hondius “The Frozen Thames” 1677 (during the Maunder minimum) Two separate indicators of climate change suggest that there is a risk of substantial cooling from 2017 onward. There is also likely to be a gap in energy production worsened by hasty climate change policies, making it three unrelated…