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exp_design:degla_t2 [2019/03/01 13:50]
jypeter [Paleorecords to use for model-data comparisons] Added a sentence about md5sum
exp_design:degla_t2 [2019/03/01 14:00] (current)
jypeter [Transient Penultimate Deglaciation (140-127 ka)] Added some md5sum for Berger and fwf data
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 | PMIP4 name | <wrap em>​PDGv1</​wrap>​ | | PMIP4 name | <wrap em>​PDGv1</​wrap>​ |
 | Initial conditions (140 ka) | Recommended:​ PDGv1-PGMspin \\ See above for details. The method must be documented, including information on the state of spinup ​ |  ​ | Initial conditions (140 ka) | Recommended:​ PDGv1-PGMspin \\ See above for details. The method must be documented, including information on the state of spinup ​ |  ​
-| Astronomical parameters ​ | Transient, as per [[#​References_cited|Berger (1978)]]\\ [ [[ftp://​ftp.ncdc.noaa.gov/​pub/​data/​paleo/​climate_forcing/​orbital_variations/​insolation//​bein1.dat|Access to data]] **&** [[ftp://​ftp.ncdc.noaa.gov/​pub/​data/​paleo/​climate_forcing/​orbital_variations/​insolation//​readme_insolation.txt|README !]] ]|  ​+| Astronomical parameters ​ | Transient, as per [[#​References_cited|Berger (1978)]]\\ [ [[ftp://​ftp.ncdc.noaa.gov/​pub/​data/​paleo/​climate_forcing/​orbital_variations/​insolation//​bein1.dat|Access to data]] **&** [[ftp://​ftp.ncdc.noaa.gov/​pub/​data/​paleo/​climate_forcing/​orbital_variations/​insolation//​readme_insolation.txt|README !]] ] (''​md5sum bein1.dat''​ => ''​726dfae36b33ae248bdb94f59387a19f''​) ​|  ​
 | Solar constant | 1361.0 ± 0.51365 W m<​sup>​-2</​sup> ​ |  | Solar constant | 1361.0 ± 0.51365 W m<​sup>​-2</​sup> ​ | 
 | Trace gases  | **CO<​sub>​2</​sub>​** = Transient, as per [[#​References_cited| the spline of Koehler et al. (2017)]]: [ [[https://​doi.pangaea.de/​10.1594/​PANGAEA.871273|Access to data]] ] \\ **CH<​sub>​4</​sub>​** = Transient, as per [[#​References_cited| the spline of Koehler et al. (2017)]]: [ [[https://​doi.pangaea.de/​10.1594/​PANGAEA.871273|Access to data]] ] \\ **N<​sub>​2</​sub>​O** = Linear increase from 201 ppb at 140 ka to 218.74 ppb at 134.5 ka\\ then transient, as per [[#​References_cited| the spline of Koehler et al. (2017)]]: [ [[https://​doi.pangaea.de/​10.1594/​PANGAEA.871273|Access to data]] ]\\ **CFC** = 0 \\ **O<​sub>​3</​sub>​** = Preindustrial (e.g. 10 DU)  |  | Trace gases  | **CO<​sub>​2</​sub>​** = Transient, as per [[#​References_cited| the spline of Koehler et al. (2017)]]: [ [[https://​doi.pangaea.de/​10.1594/​PANGAEA.871273|Access to data]] ] \\ **CH<​sub>​4</​sub>​** = Transient, as per [[#​References_cited| the spline of Koehler et al. (2017)]]: [ [[https://​doi.pangaea.de/​10.1594/​PANGAEA.871273|Access to data]] ] \\ **N<​sub>​2</​sub>​O** = Linear increase from 201 ppb at 140 ka to 218.74 ppb at 134.5 ka\\ then transient, as per [[#​References_cited| the spline of Koehler et al. (2017)]]: [ [[https://​doi.pangaea.de/​10.1594/​PANGAEA.871273|Access to data]] ]\\ **CFC** = 0 \\ **O<​sub>​3</​sub>​** = Preindustrial (e.g. 10 DU)  | 
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 | Bathymetry ​ | Keep consistent with the coastlines, and otherwise use either: \\ - Data associated with the ice sheet; it is optional how often the bathymetry is updated \\ - Preindustrial bathymetry |  | Bathymetry ​ | Keep consistent with the coastlines, and otherwise use either: \\ - Data associated with the ice sheet; it is optional how often the bathymetry is updated \\ - Preindustrial bathymetry | 
 | River routing | Ensure that rivers reach the coastline \\ It is recommended (optional) to use one of the following: \\ - Self-consistent paleo-routing described in section 6.2.3 \\ - Preindustrial configuration for the model \\ - Manual/​model calculation of river network to match topography ​ | | River routing | Ensure that rivers reach the coastline \\ It is recommended (optional) to use one of the following: \\ - Self-consistent paleo-routing described in section 6.2.3 \\ - Preindustrial configuration for the model \\ - Manual/​model calculation of river network to match topography ​ |
-| Freshwater fluxes | Recommended North Atlantic option is //fSL// and a constant 0.0135 Sv flux around the Antarctic coast between 140-130 ka \\ [ {{ :​exp_design:​t2-fwfflux_v190201.txt |Access to data}} ] \\ - //fSL// : meltwater flux based on changes in sea-level \\ - //fIRD// : meltwater flux based on Norwegian Sea and North Atlantic IRD \\ - //fIC// : meltwater flux based on ice-sheet changes \\ - //fSL2// : meltwater flux based on changes in sea-level and triangular input max. 0.15 Sv between 131-128 ka on the Antarctic coast \\ - //fUN// : Globally uniform meltwater input based on sea-level changes ​ |+| Freshwater fluxes | Recommended North Atlantic option is //fSL// and a constant 0.0135 Sv flux around the Antarctic coast between 140-130 ka \\ [ {{ :​exp_design:​t2-fwfflux_v190201.txt |Access to data}} ] (''​md5sum t2-fwfflux_v190201.txt''​ => ''​5d073eb89df1c884fc654de930840d1b''​)\\ - //fSL// : meltwater flux based on changes in sea-level \\ - //fIRD// : meltwater flux based on Norwegian Sea and North Atlantic IRD \\ - //fIC// : meltwater flux based on ice-sheet changes \\ - //fSL2// : meltwater flux based on changes in sea-level and triangular input max. 0.15 Sv between 131-128 ka on the Antarctic coast \\ - //fUN// : Globally uniform meltwater input based on sea-level changes ​ |
 | Vegetation & land cover \\ Aerosols (dust) | Prescribed preindustrial cover or dynamic vegetation model \\ Prescribed preindustrial distribution or prognostic aerosols | | Vegetation & land cover \\ Aerosols (dust) | Prescribed preindustrial cover or dynamic vegetation model \\ Prescribed preindustrial distribution or prognostic aerosols |