Posts Tagged ‘cherry picking’

Arctic sea ice was higher in 1989 cherrypicking by Harrison Schmitt and Heartland Institute

February 8, 2011

How could someone possibly claim that

Arctic sea ice has returned to 1989 levels of coverage

Easy. The proof is in the data, of course:

See: The red line is clearly higher than the blue one in april. 

Is this a joke? I wish. This was said by ex-astronaut and New Mexico’s energy secretary Harrison Schmitt. The Heartland Institute had carefully picked april of 1989 and 2009 as the basis for comparison.

As regular readers here know, I’m very open to different opinions and to reconciliation efforts. But this has of course nothing to do with true skepticism. Look at those two lines! This is definitely not the kind of “skepticism” that we should be taking more seriously. I hope everybody (including Judith Curry) can at least agree to that. I’m all for bridge building, but let’s at least make sure that reality remains somewhat in view while standing on the bridge.

See also Scott Mandia, Chris Mooney, Charlie Petit, Lou Grinzo, Richard LittlemoreTim Lambert (suitable title: “Now THAT’s cherrypicking”), Peter Sinclair and Peter Gleick at the HuffPo.

Graph via Tim Lambert and Peter Gleick. Pictur here.


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