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Gold/Mining/Energy : Global Warming -- Ignore unavailable to you. Want to Upgrade?

To: sageyrain who wrote (166)	7/2/2008 1:52:41 PM
From: sageyrain	Respond to of 185

Found it. They predict cooling- ..... Temperature variations in the lower tropical stratosphere are directly related to the residual vertical velocities and a further consequence of the climate change-induced increase in tropical upwelling found in this study is therefore an additional cooling of the lower tropical stratosphere as seen in observations (Thompson and Solomon 2005). The model consensus is for this to be particularly marked in the boreal winter when the models predict the largest increase in the Brewer–Dobson circulation. The seasonal cycle in lower stratospheric tropical temperatures (Yulaeva et al. 1994) is therefore expected to increase with climate change as the boreal winter to spring minimum temperature decreases. It is also interesting to note that the weak seasonal cycle in pollutants such as N2O that has been detected in observations (Nevison et al. 2004) is thought to be caused by seasonal variations in troposphere–stratosphere mass exchange. The amplitude of this seasonal cycle is therefore also likely to increase as a result of climate change. In nearly all the models, more than 60% of the tropical" ---- The RSS data shows about 0.8 deg. C cooling in the lower stratosphere since 1980. remss.com