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Transient climate response

The transient climate response measures how strongly and quickly surface temperatures respond to greenhouse gas concentrations.

In detail

The term 'transient climate response' is used to describe the change in the global surface temperature at the time of CO2doubling in a model experiment where CO2increases at the rate of 1% per year. This occurs at year 70.

It is a measure of the strength and rapidity of the surface temperature response to greenhouse gas forcing.