Description and evaluation of the UKCA stratosphere–troposphere chemistry scheme (StratTrop vn 1.0) implemented in UKESM1
作者： Alexander T. Archibald , Fiona M. O'Connor , Nathan Luke Abraham , Scott Archer-Nicholls , Martyn P. Chipperfield
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摘要: Abstract. Here we present a description of the UKCA StratTrop chemical mechanism, which is used in UKESM1 Earth system model for CMIP6. The mechanism merger previously well-evaluated tropospheric and stratospheric mechanisms, provide results from series bespoke integrations to assess overall performance model. We find that scheme performs well when compared wide array observations. analysis here focuses on key components atmospheric composition, namely model to simulate ozone stratosphere troposphere constituents that are important these regions. obtained for its budget terms use StratTrop mechanism are sensitive host model; simulations with same chemical run an earlier version MetUM show a range sensitivity emissions current does not fall within. Whilst general suitable CMIP6 integrations, note some shortcomings future targeted studies will address.
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