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Unforced variations: April 2012

Filed under: — group @ 2 April 2012

This month’s open thread – a day late for obvious reasons… Have at it.

‘Wrong sign paradox’ finally resolved?

Filed under: — stefan @ 1 April 2012

A group of colleagues has all but solved one of the greatest remaining puzzles in climate science. But the story is not one of scientific triumph – rather, it is so embarrassing that we had controversial discussions in our group whether to break this to a wider public at all.

The puzzle is known amongst climatologists as the “wrong sign paradox” – our regular readers will probably have heard about it. Put simply, it is about the fact that a whole number of things in climate science would fit very nicely together, if only the sign were reversed. If only plus were minus. More »