exp_design:lm

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Design for the last millenium run

Jungclaus et al, in prep

PMIP4-CMIP6 specifications
PMIP4-CMIP6 name past1000
Astronomical parameters Time varying, following Berger (1978)
Trace gases CO2, N2O, CH4 = time varying, Meinshausen et al., CMIP6 GMD special issue
CFC = 0
O3 = for models without interactive ozone chemistry, we suggest that O3 modulation is derived in a similar way from the modulation of the UV part of the solar spectrum as in the historical simulations (c.f. Matthes et al., CMIP6 GMD special issue 2016)
Solar activity Time varying
Ice sheets Same as in CMIP6 piControl
Topography and coastlines Same as in CMIP6 piControl
Volcanic activity Time varying sulphur injections eVolv2K (Sigl et al., 2015, Toohey and Sigl, in prep.) for models with interactive aerosol chemistry.
For models that need aerosol optical properties as forcing, these are provided by the EVA module (Toohey et al., 2016)
Aerosols ?? Same background aerosols as in CMIP6 PiControl ??
Vegetation The methodology to represent vegetation should be the same as for the CMIP6 piControl simulation
Land-Use/Land-cover change forcing is the same as for the historical CMIP6 forcing, covering 850 CE to 2014 CE.
cf. documenting papers: Jungclaus et al, CP 2016 in prep, Hurtt et al., GMD in prep
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