Thursday, 1 December 2011

Hide-the-Decline Plus

Climate Audit
"At the time, no one knew about “hide the decline”. Mann et al do not mention anything about deleting adverse data. The Briffa reconstruction labeled in the legend as “Briffa et al scaled 1856-1980″, giving no clue to readers of hide-the-decline. Let’s now look at a magnified version of this graphic, blown up so that we can see how they handled the Briffa (orange) reconstruction. As sharp-eyed CA readers observed, if you squint closely, you can see that the Briffa reconstruction was chopped off before its end.

Indeed, they did not simply “hide the decline”, their “hide the decline” was worse than we thought. Mann et al did not merely delete data after 1960, they deleted data from 1940 on, You can see the last point of the Briffa reconstruction (located at ~1940) peeking from behind the spaghetti in the graphic below:"

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