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Tropospheric ozone changes, radiative forcing and attribution to emissions in the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP)

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Table 1. Models and experiment run lengths (in years). All models ran with emissions for the 1850s and 2000s; the years specified correspond to the years specified for the climate (SST/SIC).
Table 2. Natural emissions (lightning NO x , biogenic isoprene, soil NO x ) in 1850s and 2000s
Fig. 1. Multi-model mean (MMM) annual zonal mean (AZM) ozone (ppb) and annual mean tropospheric column (ATC) ozone (DU), for the: 1850s (a–b), 2000s (c–d) and for the change 2000s–1850s (e–f)
Table 3. Changes in tropospheric column ozone (DU) and radiative forcing (mW m − 2 ) for two different tropopause definitions (MASKZMT and MASK150)
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