Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 15, issue 7
Articles | Volume 15, issue 7
https://doi.org/10.5194/acp-15-3957-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-15-3957-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 15, issue 7
Research article
 | 
15 Apr 2015
Research article |  | 15 Apr 2015

Radiative forcing and climate metrics for ozone precursor emissions: the impact of multi-model averaging

C. R. MacIntosh, K. P. Shine, and W. J. Collins

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Short summary
This study examines quantitatively the impact of methodological choices, in particular of averaging of multi-model ensembles, on climate metrics for ozone precursors. Estimates of the standard deviation of radiative forcing (RF), global warming and temperature potential (GWP, GTP) from ensemble-mean input fields generally overestimate the true value. The multi-model average fields are appropriate for calculating mean metrics, but are not a reliable method for calculating the uncertainty.
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