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exp_design:degla_t2 [2019/02/15 09:03]
jypeter [Transient Penultimate Deglaciation (140-127 ka)] Updated the location of the Berger 78 data on the noaa ftp site |
exp_design:degla_t2 [2020/04/08 08:45] (current)
jypeter [Associated publications] |
| ==== Associated publications ==== | ==== Associated publications ==== |
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| * **Penultimate Deglaciation experiment design, version 1:**\\ \\ **The penultimate deglaciation: protocol for PMIP4 transient numerical simulations between 140 and 127 ka, version 1.0**, Menviel et al, GMD, 2019, [[https://dx.doi.org/available_soon]] | * **Penultimate Deglaciation experiment design, version 1:**\\ \\ **The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0**, Menviel, L., Capron, E., Govin, A., Dutton, A., Tarasov, L., Abe-Ouchi, A., Drysdale, R. N., Gibbard, P. L., Gregoire, L., He, F., Ivanovic, R. F., Kageyama, M., Kawamura, K., Landais, A., Otto-Bliesner, B. L., Oyabu, I., Tzedakis, P. C., Wolff, E., and Zhang, X., Geosci. Model Dev., 12, 3649-3685, [[https://doi.org/10.5194/gmd-12-3649-2019|doi:10.5194/gmd-12-3649-2019]], 2019\\ \\ [[https://www.geosci-model-dev.net/12/3649/2019/gmd-12-3649-2019-supplement.zip|Supplement (Menviel et al, GMD, 2019)]] |
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| ===== Version 1 Specifications ===== | ===== Version 1 Specifications ===== |
| | 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) | |
| | 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 | |
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| === Overview === | === Overview === |
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| See Table 3 and Table 4 of the [[https://dx.doi.org/available_soon|Penultimate Deglaciation GMD paper]] | See Table 3 and Table 4 of the [[https://doi.org/10.5194/gmd-12-3649-2019|Penultimate Deglaciation GMD paper]] |
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| ^ Table 3 ^ Table 4 ^ | ^ Table 3 ^ Table 4 ^ |
| The data files have a version string (''_vYYmmDD'') in their file name, indicating when they have been uploaded to this site (in case we have to update them later and use a more recent version/date). | The data files have a version string (''_vYYmmDD'') in their file name, indicating when they have been uploaded to this site (in case we have to update them later and use a more recent version/date). |
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| | {{ :exp_design:ch69k09_revisedage_v190201.txt |CH69-K09}} (txt) | | You can also check that you have the correct version of the files by computing their checksums (''md5sum data_file'') and comparing them to the checksums in the table below. Getting a different checksum means that you either have a wrong version of the file, or that the file content was corrupted during the transfer |
| | {{ :exp_design:md952042_revisedage_v190201.txt |MD95-2042}} (txt) | | |
| | {{ :exp_design:odp976_revisedage_v190201.txt |ODP976}} (txt) | | ^ Data ^ version\\ string ^ md5sum ^ |
| | {{ :exp_design:odp980_revisedage_v190201.txt |ODP980}} (txt) | | | {{ :exp_design:ch69k09_revisedage_v190201.txt |CH69-K09}} (txt) | _v190201 | 4f4edfba575324b504beb20ade0b9d28 | |
| | {{ :exp_design:odp983_revisedage_v190201.txt |ODP983}} (txt) | | | {{ :exp_design:md952042_revisedage_v190201.txt |MD95-2042}} (txt) | _v190201 | cc24515a1a59417486e80155c4ebbbaa | |
| | {{ :exp_design:odp1063_revisedage_v190201.txt |ODP1063}} (txt) | | | {{ :exp_design:odp976_revisedage_v190201.txt |ODP976}} (txt) | _v190201 | 6958069100a8df8fde00dd06e0f9bd52 | |
| | {{ :exp_design:su9003_revisedage_v190201.txt |SU90-03}} (txt) | | | {{ :exp_design:odp980_revisedage_v190201.txt |ODP980}} (txt) | _v190201 | c8310b4db60415e055c131d57b6cfd56 | |
| | {{ :exp_design:sl_lig_dutton2017_v190201.txt |SL_LIG_Dutton2017}} (txt) | | | {{ :exp_design:odp983_revisedage_v190201.txt |ODP983}} (txt) | _v190201 | e7cb293ceb7b7f7a8771206ec794c938 | |
| | {{ :exp_design:d13cstack_v190201.txt |d13Cstack}} (txt) Stack of U1308, CH69-K09 and ODP1063 | | | {{ :exp_design:odp1063_revisedage_v190201.txt |ODP1063}} (txt) | _v190201 | bb075a7f8fe8ffb9bd3778d6584c3924 | |
| | {{ :exp_design:ird-stack_v190201.txt |IRD-stack}} (txt) | | | {{ :exp_design:su9003_revisedage_v190201.txt |SU90-03}} (txt) | _v190201 | 445ea11f144843ceb7f8128df5fafaf6 | |
| | {{ :exp_design:figure9_data_v190213.xlsx |Figure 9 data}} (xlsx) | | | {{ :exp_design:sl_lig_dutton2017_v190201.txt |SL_LIG_Dutton2017}} (txt) | _v190201 | c1151b63ae7c720e7b5b6b3ff2f2451a | |
| | | {{ :exp_design:d13cstack_v190201.txt |d13Cstack}} (txt) Stack of U1308, CH69-K09 and ODP1063 | _v190201 | d44b91b35fbf6e2e142dd749200b68e4 | |
| | | {{ :exp_design:ird-stack_v190201.txt |IRD-stack}} (txt) | _v190201 | 51bf8dd9d019bf76e3a983eddf35782e | |
| | | {{ :exp_design:figure9_data_v190213.xlsx |Figure 9 data}} (xlsx) | _v190213 | 9ec7aae777fdce6e1447a93054622f2c | |
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| ===== References cited ===== | ===== References cited ===== |