The IPCC's climate models are likely overestimating the temperature impact of a doubling of CO2 - a new analysis finds that a key peer reviewed artilce used by the IPCC was in error in regards to climate sensitivity
Read here. As can be seen here, the IPCC's climate models have been notoriously bad at predicting global temperatures. The bad predictions output has suggested to experts that the models have been programmed to be overly sensitive to CO2 levels.
A new analysis is confirming what the experts have long suspected. But amazingly, the original author of study that IPCC relied on has now "lost" the raw data his study was based on.
"Nic Lewis, a coauthor of O’Donnell et al 2010, has been parsing climate sensitivity calculations for some time and with considerable frustration...One of the seminal sensitivity estimates is Forest et al 2006...has concluded that the calculations in Forest et al 2006 were done erroneously:
- "If I am right, then correct processing of the data used in Forest 2006 would lead to the conclusion that equilibrium climate sensitivity (to a doubling of CO2 in the atmosphere) is close to 1°C, not 3°C, implying that likely future warming has been grossly overestimated by the IPCC."
...Forest et al is an important paper and Nic’s conclusions are damning. It’s frustrating that, after all the controversy, climate journals don’t require authors to archive data and that IPCC authors continue to “lose” data."