The Dictionary of the Climate Debate (DCD)


equilibrium climate sensitivity
Definition: (AKA ECS) The global temperature change that results when all parts of the climate system reach equilibrium in response to a forcing, usually CO2.

For example, if we had the ability to precisely double the amount of CO2 in the atmosphere, ECS is the average amount of global warming that would result when the climate system reaches equilibrium, i.e., when all of the feedbacks, fast and slow, have generated their effects.

Example Usages -

1. "Equilibrium climate sensitivity (ECS) is the total eventual temperature response of surface temperature to a radiative perturbation.”
(Source: Judith Curry )


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