PMIP4 gases data

CO2

Experiment Value (ppm)
midHolocene 264.4
lgm 190
past1000 Time varying
Meinshausen et al., CMIP6 GMD special issue
lig127k 275
midPliocene-eoi400 400
LDv1-LGMspin Same as lgm
LDv1-transpin
LDv1
Transient, as per Bereiter et al. (2015)
[ Bereiter et al data access ] (md5sum = c54a033d8cbf588bc2b95d3b92ff9b1c)

CH4

Experiment Value (ppb)
midHolocene 597
lgm 375
past1000 Time varying
Meinshausen et al., CMIP6 GMD special issue
lig127k 685
midPliocene-eoi400 Same as in CMIP6 piControl
LDv1-LGMspin Same as lgm
LDv1-transpin
LDv1
Transient, as per Loulergue et al. (2008)
Get reference and data below!

Loulergue et al CH4 data

  • Reference: Loulergue, L., Schilt, A., Spahni, R., Masson-Delmotte, V., Blunier, T., Lemieux, B., Barnola, J.-M., Raynaud, D., Stocker, T. F. and Chappellaz, J.: Orbital and millennial-scale features of atmospheric CH4 over the past 800,000 years, Nature, 453(7193), 383–386, doi:10.1038/nature06950, 2008.
  • History:
    July 13th 2016: data uploaded to PMIP4 site, md5sum = 338187b58a48d8cb5496f0d7c98528bb

N20

Experiment Value (ppb)
midHolocene 262
lgm 200
past1000 Time varying
Meinshausen et al., CMIP6 GMD special issue
lig127k 255
midPliocene-eoi400 Same as in CMIP6 piControl
LDv1-LGMspin Same as lgm
LDv1-transpin
LDv1
Transient, as per Schilt et al. (2010)
Get reference and data below!

Schilt et al N20 data

  • Reference: Schilt, A., Baumgartner, M., Schwander, J., Buiron, D., Capron, E., Chappellaz, J., Loulergue, L., Schüpbach, S., Spahni, R., Fischer, H. and Stocker, T. F.: Atmospheric nitrous oxide during the last 140,000 years, Earth Planet. Sci. Lett., 300(1–2), 33–43, doi:10.1016/j.epsl.2010.09.027, 2010.
  • History:
    July 13th 2016: data uploaded to PMIP4 site, md5sum = a99f2d791256774f3296871aaf4ee9bd

CFC

Experiment Value
midHolocene 0
lgm 0
past1000 0
lig127k 0
midPliocene-eoi400 Same as in CMIP6 piControl
LDv1-LGMspin
LDv1-transpin
LDv1

Same as lgm

O3

Experiment Value
midHolocene
lgm
lig127k
midPliocene-eoi400
LDv1-LGMspin
LDv1-transpin
LDv1



Same as in CMIP6 piControl
past1000 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)