If this model is correct, ....
---oh....go away---
These people are like herpes. They just won't go away.
Buddy of mine worked for years for a phosphate company here in Florida. He submitted endless forms and data to the DER (Dept of Environmental Regulation). The mines have to have overflow ponds that will meet that caused by rainfall. He said when his calculations showed they were insufficient, all he had to do was lower the "projected" future rainfall minutely in his model & they were now in compliance with regs. His point was that no one can accurately predict many of the variables used in these models.
Basically, the models are tweaked to give the desired results. You extrapolate a margin of error, then you pull your numbers from the appropriate end of that range to get the result you want.
But surely, we know the proponents of "global warming" are much to alturistic to do anything like that?
This isn't just a matter of computer models. Check out the story in the Financial Times (hardly a liberal toadie): http://news.ft.com/cms/s/8c151acc-81e8-11d9-9e19-00000e2511c8.html
"...a four-year examination of the Arctic by more than 250 scientists that found the ice cap was only half the thickness of 30 years ago."