Policy intervention figure Atmospheric composition and climate: Difference between revisions

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{{FigureTemplate
{{FigureTemplate
|Figure=096x img13.png
|Figure=096x img13.png
|AltText=Greenhouse gas emissions, CO2 concentration levels, radiative forcing and temperature increase under a baseline and three climate policy scenarios
|AltText=Radiative forcing and temperature change under baseline and policy scenarios
|Caption=Greenhouse gas emissions, CO2 concentration levels, radiative forcing, and temperature increase under a baseline and three climate policy scenarios (based on Van Vuuren et al. 2010).  
|Caption=In addition to ‘conventional’ climate policy, there may be situations where urgent action on climate change is required, either via rapid mitigation, or via Solar Radiation Management (SRM) (e.g. sulphur emissions to the stratosphere). Radiative forcing is immediately stabilised at the intended level by SRM, and also temperatures are adjusted immediately (though not yet at the equilibrium level), and even faster under extreme SRM than would be possible through strong mitigation. However, substantial uncertainties and risks are related to such drastic manipulations of the radiation balance.
In the policy scenarios, emissions decrease strongly after 2020, while concentration levels only decrease or stabilise after 2050. Global mean temperature is, due to inertia in the global mean temperature, only stabilising at the end of the century in the most ambitious climate policy scenario (2.6 W/m2).
|FigureType=Policy intervention figure
|FigureType=Policy intervention figure
|OptimalSize=600
|OptimalSize=600
|Component=Atmospheric composition and climate;
|Component=Atmospheric composition and climate;
}}
}}

Latest revision as of 13:53, 24 June 2014


Radiative forcing and temperature change under baseline and policy scenarios

Caption: In addition to ‘conventional’ climate policy, there may be situations where urgent action on climate change is required, either via rapid mitigation, or via Solar Radiation Management (SRM) (e.g. sulphur emissions to the stratosphere). Radiative forcing is immediately stabilised at the intended level by SRM, and also temperatures are adjusted immediately (though not yet at the equilibrium level), and even faster under extreme SRM than would be possible through strong mitigation. However, substantial uncertainties and risks are related to such drastic manipulations of the radiation balance.

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