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wg:ptof:models [2018/09/06 08:40]
jules created |
wg:ptof:models [2022/10/03 14:39] (current)
brierley |
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| Contact --- //[[jules@blueskiesresearch.org.uk|Julia Hargreaves]] // to contribute to this page, or leave a comment in the discussion box. | Contact --- //[[jules@blueskiesresearch.org.uk|Julia Hargreaves]] // to contribute to this page, or leave a comment in the discussion box. |
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| | ====== What model runs might be relevant ====== |
| | There are a lot of different model runs available as part of PMIP. In fact the amount of output can be a bit overwhelming at first. On important distinction is the different between *transient* and *equilibrium* simulations. All climate models are run forwards in time and write output every month/day. So this distinction really relates to the forcing inputs, and the climate response to them. From a practical perspective, you should be looking at the long-term statistics of the equilibrium simulations, and the temporal variations in the transient simulations. There are more details and links below, but a quick division of the experiments is... |
| | * **PMIP4/CMIP6 Equilibrium Simulations** |
| | * **piControl** (Preindustrial): //The control run that all the climate changes can be calculated from// |
| | * **abrupt4xCO2** (Instantaneous quadrupling of carbon dioxide): //An idealized global warming experiment (primarily included for calculating the climate sensitivity)// |
| | * **midHolocene** (6,000 yrs ago): //Useful for identifying impacts of orbital forcing// |
| | * **lgm** (The last glacial maximum at 21,000 yrs ago): //The archetypal cold climate state// |
| | * **lig127k** (Last Interglacial, 127,000 yrs ago): //Peak of the warm period prior to last glaciation// |
| | * **Eoi400** (Pliocene, 3,205,000 years ago): //warm conditions before any Northern Hemisphere glaciation (minimal continental drift)// |
| | * **DeepMIP** (Eocene & Paleocene, 50-60 million yrs ago): //Warm climates with carbon dioxide concentrations similar to end of century projections (continents drifted, PMIP-only)// |
| | * **PMIP4/CMIP6 Transient Simulations** |
| | * **1pctCO2** (Carbon dioxide concentrations increase by 1% per year): //An idealized global warming experiment (primarily included for calculating the transient climate response)// |
| | * **historical** (1850CE onwards): //Free-running simulations of industrial era (so climate variability's phase/sign does not match observations, but its statistics should)// |
| | * **past1000** (last millennium, 850CE onwards): //Free-running simulations seeing 1000+ years of climate forcings// |
| | * **LDv1** (last deglaciation, 21,000 years ago to present): //Very-long simulation that encompasses all forcings (PMIP-only)// |
| | * **Other Transient Simulations** //There are several other long palaeoclimate simulations that my be useful// |
| | * **[[https://www.earthsystemgrid.org/project/trace.html|TraCE]]** This simulation runs from 22,000 years before present (22ka) to 1990 CE as well as single-forcing sensitivity simulations of varying lengths. Contact [[mailto:ottobli@ucar.edu|Bette Otto-Bliesner]] |
| | * **[[https://www.cesm.ucar.edu/experiments/cesm1.3/iTRACE/|iTraCE]]** This simulation runs from 22,000 years before present (22ka) to around 11ka as well as single-forcing sensitivity simulations of varying lengths. It also includes isotopes. Contact [[mailto:ottobli@ucar.edu|Bette Otto-Bliesner]] |
| | * **[[https://www.clim-past-discuss.net/cp-2018-140/|MPI]]** Simulations with both fast and slow forcings from 8000ka-present. Contact [[mailto:johann.jungclaus@mpimet.mpg.de|Johann Jungclaus]]. |
| | * **[[https://doi.org/10.1029/2018GL079337|Kiel]]** Simulations of both the Holocene and the Eemian exist for the Kiel model. Contact [[mailto:vyacheslav.khon@ifg.uni-kiel.de|Vyacheslav Khon]]. |
| | * **[[https://www.palmod.de/home|AWI]]** Slowly a simulation from the Last Glacial to present is being is created. Contact [[mailto:Gerrit.Lohmann@awi.de|Gerrit Lohmann]] |
| | * **[[https://www.clim-past-discuss.net/cp-2018-140/|IPSL]]** Several simulations from 6000ka to present have recently been performed in France. Contact [[mailto:pascale.braconnot@lsce.ipsl.fr|Pascale Braconnot]] and Olivier Marti. |
| | * **[[https://link.springer.com/article/10.1007/s00382-011-1283-y|FAMOUS]]** An old simulation of the last glacial cycle with accelerated-forcing. Contact [[mailto:r.s.smith@reading.ac.uk|Robin Smith]] |
| | * **[[https://www.su.se/english/profiles/qzhan-1.191706|EC-Earth3]]** Simulation from about 8ka. Contact [[mailto:qiong.zhang@natgeo.su.se|Qiong Zhang]] |
| | * **[[https://gmd.copernicus.org/preprints/gmd-2022-49/|CESM1.2.1]]** Simulation from 11.7 onwards. Contact Zhiping Tian and [[mailto:jiangdb@mail.iap.ac.cn|Dabang Jiang]] |
| | * **[[https://www.paleo.bristol.ac.uk/ummodel/scripts/papers/Singarayer_and_Valdes_2010.html|HadCM3]]** A set of transient sensitivity simulations since the deglacial. There are also series of equilibrium simulations of HadCM3 run over the last glacial cycle. A version of these does exist with water isotopes. Contact [[mailto:P.J.Valdes@bristol.ac.uk|Paul Valdes]] |
| | * **[[https://www.paleo.bristol.ac.uk/ummodel/scripts/papers/Singarayer_and_Valdes_2010.html|GISS]]** There are a series of equilibrium simulations of GISS-E2-1-G run during the Holocene, potentially with water isotopes. Contact [[mailto:al2035@columbia.edu|Allegra LeGrande]] |
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| ======= PMIP4/CMIP6 Information ======= | ======= PMIP4/CMIP6 Information ======= |