16 Jan '12, 12pm

More Science on Human vs Natural Global Warming

More Science on Human vs Natural Global Warming

In another new global warming attribution study (we will soon do an overview of the results of this and similar studies), Gillett et al. (2012) perform a number of interesting analyses. First, they estimate the contributions of various different components (both human-caused and natural) to the observed global warming. They also use their results to estimate thetransient climate response (TCR) , which refers to the global mean temperature change that is realised at the time of CO2 doubling in a scenario in which CO2 concentrations increase by 1% per year. In short, the TCR is an estimate of how much global surface temperatures will warm immediately, without needing to consider factors like the thermal inertia of the oceans. Gillett et al. then use their TCR estimate to project how much the planet will warm in the future based on several different emissions scenarios.

Full article: http://planetsave.com/2012/01/16/more-science-on-human-vs...

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