Journal cover Journal topic
Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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
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
Publications Copernicus
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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.
We explore the uncertainty in the predictions of a chemical transport model (GEOS-Chem) from...
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