Articles | Volume 17, issue 23
Atmos. Chem. Phys., 17, 14333–14352, 2017
https://doi.org/10.5194/acp-17-14333-2017
Atmos. Chem. Phys., 17, 14333–14352, 2017
https://doi.org/10.5194/acp-17-14333-2017

Research article 04 Dec 2017

Research article | 04 Dec 2017

Impact of uncertainties in inorganic chemical rate constants on tropospheric composition and ozone radiative forcing

Ben Newsome and Mat Evans

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AR by Anna Wenzel on behalf of the Authors (06 Oct 2017)  Author's response    Manuscript
ED: Publish subject to technical corrections (06 Oct 2017) by Thomas von Clarmann
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Short summary
We explore the uncertainty in the predictions of a chemical transport model (GEOS-Chem) from uncertainty in 60 inorganic rate constants and photolysis rates. We find uncertainty in the global mean ozone burden of 10 %, in global mean OH of 16 %, methane lifetimes of 16 %, and tropospheric ozone radiative forcings of 13 %. Reductions in the uncertainty of rate constants of these simple reactions would reduce uncertainty in our understanding of atmospheric composition.
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