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Did you actually read what "hide the decline" meant? Go learn about proxies and you'll see that what they mean is that there is a false decline in proxy tempera
by cgranade 16y ago
Did you actually read what "hide the decline" meant? Go learn about proxies and you'll see that what they mean is that there is a false decline in proxy temperatures that must be corrected for, likely due to increased CO₂ concentrations changing how tree rings are formed. There's no deception here-- they were up front and honest about this problem, and referred to data analysis techniques to correct for a false decline.
- hga 16y agoThese "data analysis techniques to correct for a false decline" at best consisted of substituting thermometer readings for tree ring proxies. I wouldn't call that a "data analysis technique". They also "improved" the curve for the 1930s as ESR learned from the code and data (http://esr.ibiblio.org/?p=1447 http://esr.ibiblio.org/?p=1447): "This, people, is blatant data-cooking, with no pretense otherwise. It flattens a period of warm temperatures in the 1930s — see those negative coefficients? Then, later on, it applies a positive multiplier so you get a nice dramatic hockey stick at the end of the century." Also note how this meshes nicely with the paper that started this thread that did not until it was corrected show that 1934 was the hottest year in the 20th century.