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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?

To: RetiredNow who wrote (7676)	4/26/2009 10:42:11 PM
From: Brumar89	Read Replies (1) \| Respond to of 86356

But why does warming have to be in the troposphere to be a fingerprint? I'd think that if we are experiencing 150 years of warming on the ground, then something unique must be going on. Because the climate models used by the IPCC identify it as a fingerprint of human caused greenhouse gas warming. Here is part of the 2007 IPCC report. Page down till you get to figure 9.1. ipcc-wg1.ucar.edu The models also model what pattern of warming should be expected for other causes of warming - solar forcing, volcanoes, ozone changes, etc. PLate C shows the pattern expected from greenhouse gas warming. There you go - the fingerprint. That doesn't match what we find in the real world. So either the recent warming isn't caused by greenhouse gases but by something else or the models the IPCC use are fatally flawed.