12 Apr '12, 3pm

Revisiting global temperature predictions made 31 years ago:

palindrom (#27 on the WUWT article)- I’m doing my graduate work in the area of oxygen isotope paleothermometry (which I do think has a lot of advantage over dendroclimatology), so I’ll just say a few general things, but I don’t plan on reading the WUWT article in enough depth to disentangle it piece by piece (note for people who reply that I’d rather continue this in the April Open Thread since it is OT and this thread is still young). First, I do think that there is a lot of work to be done in the interpretation of oxygen/hydrogen isotope values obtained at a site, and there’s still plenty of disagreement in the paleo-community on how to best connect the isotopic signal in a record with climate. However, there are also many well understood thermodynamic, physical principles at play. There are also a number of paleoclimatic recorders of oxygen isotopes, including lake/ocea...

Full article: http://www.realclimate.org/index.php?p=11398

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