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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 17, issue 23 | Copyright
Atmos. Chem. Phys., 17, 14333-14352, 2017
https://doi.org/10.5194/acp-17-14333-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

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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Model Code associated with Newsome and Evans Impact of uncertainties in inorganic chemical rate constants on tropospheric composition and ozone radiative forcing Mathew John Evans and Benjamin Newsome https://doi.org/10.15124/4d161daa-ffc4-410b-a4b6-600615b29679

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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.
We explore the uncertainty in the predictions of a chemical transport model (GEOS-Chem) from...
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