The View From 1776

For some years skeptical scientists have vainly requested the full array of data underlying the famous hockey-stick graph that purports to show a sudden and sharp uptrend of global temperatures in recent years.

Their skepticism was well founded.  After the full array of tree-ring data was finally made available to public scrutiny, it became apparent that the hockey-stick graph was a deliberate fabrication.  There is no sudden upswing of temperatures reflected in the tree-ring data.

Quote:

The graph above shows what happens to the “Hockey Stick” after additional tree ring data, recently released (after a long and protracted fight over data access) is added to the analysis of Hadley’s archived tree ring data in Yamal, Russia.

All of the sudden, it isn’t the “hottest period in 2000 years” anymore.

This comparison to CRU archive data illustrates the most extreme example of scientific cherry-picking ever seen. As Steve writes in comments at CA:

Also keep in mind the implausibly small size of the current portion of the Yamal archive. It would be one thing if they had only sampled 10 trees and this is what they got. But they selected 10 trees out of a larger population. Because the selection yields such different results from a nearby population sample, there is a compelling prima facie argument that they’ve made biased picks. This is rebuttable. I would welcome hearing the argument on the other side. I’ve notified one dendro of the issue and requested him to assist in the interpretation of the new data (but am not very hopeful that he will speak up.)