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Detailed documentation:
ARPEGE:
Roehrig
Reference paper (older version v6.3): Roehrig, R. et al. (2020). The CNRM global atmosphere model ARPEGE-Climat 6.3: Description and evaluation. Journal of Advances in Modeling Earth Systems, 12, e2020MS002075.
Technical documentation (older version v6.2): http://www.umr-cnrm.fr/IMG/pdf/arp62ca.july2017.pdf
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Most forcing data comes from the CMIP6 protocol for CNRM-CM6 as described by Voldoire et al. (2019).
| 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 Meinshausen et al. (20192017). From 2015 onwards, greenhouse gas forcings follow the SSP2-4.5 scenario from Meinshausen et al. (2020). |
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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 1995-2014 average of a previous from a preliminary freely-evolving historical 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 Seasonally-varying tropospheric aerosol concentrations computed as 11-year moving averages from the preliminary freely-evolving run by Michou et al. (2020) using the interactive aerosol scheme TACTIC_v2 scheme. This run is described in detail in The Michou et al (2020) run has CMIP6 historical forcings up to 2014 and the SSP2-4.5 forcings from 2015 onwards. |
| 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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Matthes, K., Funke, B., Andersson, M. E., Barnard, L., Beer, J., Charbonneau, P., et al. (2017). Solar forcing for CMIP6 (v3.2). Geoscientific Model Development, 10(6), 2247–2302. https://doi.org/10.5194/gmd‐10‐2247‐2017
Meinshausen, M. et al. (2017). Historical greenhouse gas concentrations for climate modelling (CMIP6). Geoscientific Model Development, 10(5), 2057–2116. https://doi.org/10.5194/gmd-10-2057-2017
Meinshausen, M. et al. (2020). The shared socio-economic pathway (SSP) greenhouse gas concentrations and their extensions to 2500. Geoscientific Model Development, 13, 3571–3605. https://doi.org/10.5194/gmd-13-3571-2020
Michou, M., Nabat, P., Saint-Martin, D., Bock, J., Decharme, B., Mallet, M., Roehrig, R., Séférian, R., Sénési, S. and Voldoire, A. (2020). Present-day and historical aerosol and ozone characteristcs in CNRM CMIP6 simulatons. Journal of Advances in Modeling Earth Systems, 12, e2019MS001816, https://doi.org/10.1029/2019MS001816
Thomason, L. W., Ernest, N., Millán, L., Rieger, L., Bourassa, A., Vernier, J. P., et al. (2018). A global space‐based stratospheric aerosol climatology: 1979–2016. Earth System Science Data, 10(1), 469–492. https://doi.org/10.5194/essd‐10‐469‐2018
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