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Subject:  1.9°C climate sensitivity Date:  1/27/2013  7:52 AM
Author:  DrBob2 Number:  40448 of 89899

www.express.co.uk/posts/view/373396/More-signs-that-global-w...
GLOBAL warming is likely to be less extreme than claimed, researchers said yesterday. The most likely temperature rise will be 1.9C (3.4F) compared with the 3.5C predicted by the Intergovern­mental Panel on Climate Change.

The Norwegian study says earlier predictions were based on rapid warming in the Nineties. But Oslo University’s department of geosciences included data since 2000 when temperature rises “levelled off nearly completely”.

Professor Terje Berntsen said: “The Earth’s mean temperature rose sharply during the ­Nineties. This may have caused us to overestimate climate sensitivity. We are most likely witnessing natural fluctuations in the climate system – changes that can occur over several decades – and which are coming on top of a long-term warming.” He insisted, though, that his study did not justify “complacency” about human-induced global warming.

Bayesian estimation of climate sensitivity based on a simple climate model fitted to observations of hemispheric temperatures and global ocean heat content
Aldrin et al.
http://onlinelibrary.wiley.com/doi/10.1002/env.2140/abstract...

DB2
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