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| Greenhouse gases | Up to 2014, CMIP6 historical values of CO2, CH4, N2O, CFC11 and CFC12 from the CNRM-CM-6.1 run as described in Voldoire et al (2019). From 2015 onwards, greenhouse gas forcings follow the SSP3SSP2-74.0 5 scenario. |
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| Ozone | TO BE MODIFIED Radiation scheme sees a seasonally varying but otherwise fixed climatological ozone field. The monthly climatology of ozone concentration is the average of a previous CMIP6 run by Michou et al (2020) over the period 1995-2014. |
| Tropospheric aerosols | TO BE MODIFIED A monthly climatology of tropospheric aerosols is computed over the 1995-2014 period from a prior run using the interactive aerosol scheme TACTIC_v2 scheme. This run is described in detail in Michou et al (2020). |
| Volcanic aerosols | Volcanic stratospheric aerosols are the official CMIP6 forcings provided by Thomason et al (2018). |
| Solar forcing | Time-variation of total solar insolation (TSI) is specified from CMIP6 annual mean forcings provided by Matthes et al (2017) |
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