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--- exp_design:degla [2016/07/13 13:44]
jypeter Added md5sum of Bereiter data
+++ exp_design:degla [2019/02/15 09:02]
jypeter Updated the location of the Berger 78 data on the noaa ftp site
@@ Line 19: / Line 19: @@
 ==== Associated publications ====
-**Last deglaciation experiment design, version 1:**\\
+  * **Last deglaciation experiment design, version 1:**\\ \\ **Transient climate simulations of the deglaciation 21–9 thousand years before present (version 1) – PMIP4 Core experiment design and boundary conditions**, Ivanovic et al, GMD, 2016, [[https://dx.doi.org/10.5194/gmd-9-2563-2016|doi:10.5194/gmd-9-2563-2016]]
-Ivanovic, R. F.; Gregoire, L. J.; Kageyama, M.; Roche, D. M.; Valdes, P. J.; Burke, A.; Drummond, R.; Peltier, W. R. and Tarasov, L.: Transient climate simulations of the deglaciation 21–9 thousand years before present, version 1; PMIP4 Core experiment design and boundary conditions, Geosci. Model Dev. Discuss., 8, 9045-9102, doi:[[http://www.geosci-model-dev-discuss.net/gmd-2015-215/|10.5194/gmdd-8-9045-2015]], 2015. \\
-\\
 ===== Version 1 Specifications =====
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 ^      ^PMIP4 specifications ^
 | PMIP4 name | <wrap em>LDv1-transpin</wrap> |
-| Astronomical parameters  | All orbital parameters should be transient as per [[#References_cited|Berger (1978)]] 26-21 ka\\ [ [[ftp://ftp.ncdc.noaa.gov/pub/data/paleo/insolation/bein1.dat|Access to data]] ]|
+| Astronomical parameters  | All orbital parameters should be transient as per [[#References_cited|Berger (1978)]] 26-21 ka\\ [ [[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 !]] ]|
 | Trace gases  | All adjusted to the AICC2012 chronology [[#References_cited|Veres et al. (2013)]] 26-21 ka: \\ **CO<sub>2</sub>** = Transient, as per [[#References_cited|Bereiter et al. (2015)]]: [ [[ftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/antarctica2015co2composite.txt|Access to data]] (md5sum = ''c54a033d8cbf588bc2b95d3b92ff9b1c'') ] \\ **CH<sub>4</sub>** = Transient, as per [[#References_cited|Loulergue et al. (2008)]]: [ [[data:gases#loulergue_et_al_ch4_data|Access to data]] ] \\ **N<sub>2</sub>O** = Transient, as per [[#References_cited|Schilt et al. (2010)]]: [ [[data:gases#schilt_et_al_n20_data|Access to data]] ]  |
 | //All others// | As per the LGM (21 ka) spinup type; LDv1-LGMspin |
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 | PMIP4 name | <wrap em>LDv1</wrap> |
 | Initial conditions (pre 21 ka) | Recommended (optional) to use either: \\ - LDv1-LGMspin \\ - LDv1-transpin \\ 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/insolation/bein1.dat|Access to data]] ]|
+| 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 !]] ]|
 | Solar constant | 1361.0 ± 0.51365 W m<sup>-2</sup>  |
 | Trace gases  | Adjusted to the AICC2012 chronology [[#References_cited|Veres et al. (2013)]] 21-0 ka: \\ **CO<sub>2</sub>** = Transient, as per [[#References_cited|Bereiter et al. (2015)]]: [ [[ftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/antarctica2015co2composite.txt|Access to data]] (md5sum = ''c54a033d8cbf588bc2b95d3b92ff9b1c'') ] \\ **CH<sub>4</sub>** = Transient, as per [[#References_cited|Loulergue et al. (2008)]]: [ [[data:gases#loulergue_et_al_ch4_data|Access to data]] ] \\ **N<sub>2</sub>O** = Transient, as per [[#References_cited|Schilt et al. (2010)]]: [ [[data:gases#schilt_et_al_n20_data|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 |
 | River routing | Ensure that rivers reach the coastline \\ It is recommended (optional) to use one of the following: \\ - Preindustrial configuration for the model \\ - Transient routing provided with the ice sheet reconstruction (if available) \\ - Manual/model calculation of river network to match topography  |
-| Freshwater fluxes | At participant discretion. Three options are: //melt-uniform//, //melt-routed// and //no-melt//: \\ - //Melt-uniform// : use a globally uniform ice meltwater flux, e.g. as associated with one of the ice sheet reconstructions [[:data:freshwater|[Access to data]]] \\ - //Melt-routed// : use a routed ice meltwater flux, e.g. as associated with one of the ice sheet reconstructions [[:data:freshwater|[Access to data]]] \\ - //No-melt// : have no ice sheet meltwater in the simulation \\ It is recommended (optional) to run at least one Core simulation with a scenario consistent with the chosen ice sheet reconstruction to conserve salinity. |
+| Freshwater fluxes | At participant discretion. Three options are: //melt-uniform//, //melt-routed// and //no-melt//: \\ - //Melt-uniform// : use a globally uniform ice meltwater flux, e.g. as associated with one of the ice sheet reconstructions\\ [ [[data:ice_ice6g_c#freshwater_fluxes|ICE-6G_C]] ] - [ [[data:ice_glac_1d#freshwater_fluxes|GLAC-1D]] ] \\ - //Melt-routed// : use a routed ice meltwater flux, e.g. as associated with one of the ice sheet reconstructions\\ [ [[data:ice_ice6g_c#freshwater_fluxes|ICE-6G_C]] ] - [ [[data:ice_glac_1d#freshwater_fluxes|GLAC-1D]] ] \\ - //No-melt// : have no ice sheet meltwater in the simulation \\ It is recommended (optional) to run at least one Core simulation with a scenario consistent with the chosen ice sheet reconstruction to conserve salinity. |
 | Vegetation & land cover \\ Aerosols (dust) | Prescribed preindustrial cover or dynamic vegetation model \\ Prescribed preindustrial distribution or prognostic aerosols |