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

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 Bette Otto-Bliesner

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 Bette Otto-Bliesner

MPI Simulations with both fast and slow forcings from 8000ka-present. Contact Johann Jungclaus.

Kiel Simulations of both the Holocene and the Eemian exist for the Kiel model. Contact Vyacheslav Khon.

AWI Slowly a simulation from the Last Glacial to present is being is created. Contact Gerrit Lohmann

IPSL Several simulations from 6000ka to present have recently been performed in France. Contact Pascale Braconnot and Olivier Marti.

FAMOUS An old simulation of the last glacial cycle with accelerated-forcing. Contact Robin Smith

EC-Earth3 Simulation from about 8ka, I think. Contact Qiong Zhang

CESM1.2.1 Simulation from 11.7 onwards. Contact Zhiping Tian and Dabang Jiang

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 Paul Valdes

HadCM3 There are a series of equilibrium simulations of GISS-E2-1-G run during the Holocene, potentially with water isotopes. Contact Allegra LeGrande

PMIP4/CMIP6 Information

Several different experiments are being performed in PMIP4.

Last Millennium

Experimental design: http://www.geosci-model-dev-discuss.net/gmd-2016-278/
PMIP4 website: https://pmip4.lsce.ipsl.fr/doku.php/exp_design:lm
Database: ESGF
Variables:

Mid Holocene

Experimental design: http://www.geosci-model-dev-discuss.net/gmd-2016-279/
PMIP4 website: https://pmip4.lsce.ipsl.fr/doku.php/exp_design:mh
Database: ESGF
Variables:

Last Glacial Maximum

Experimental design: http://www.geosci-model-dev-discuss.net/gmd-2017-18/
PMIP4 website: https://pmip4.lsce.ipsl.fr/doku.php/exp_design:lgm
Database: ESGF
Variables:

Last Deglaciation (21-9ka)

Experimental design: http://www.geosci-model-dev.net/9/2563/2016/
PMIP4 website: https://pmip4.lsce.ipsl.fr/doku.php/exp_design:index
Database: Model output mostly to be made available directly from the institutes performing the runs
Variables: ?

Eemian - Last Interglacial

Experimental design: http://www.geosci-model-dev-discuss.net/gmd-2016-279/
PMIP4 website: https://pmip4.lsce.ipsl.fr/doku.php/exp_design:lig127
Database: ESGF
Variables:

Pliocene

Experimental design: http://www.clim-past.net/12/663/2016/
USGS Website: http://geology.er.usgs.gov/egpsc/prism/7_pliomip2.html
Database: ESGF
Variables: http://geology.er.usgs.gov/egpsc/prism/7_pliomip2.html

Eocene

EECO, PETM and pre-PETM
Experimental design: http://www.geosci-model-dev-discuss.net/gmd-2016-127/
Website: http://www.deepmip.org Database: ESGF, or DeepMIP database
Variables: Outlined in Appendix A of the Experimental Design paper.

PMIP3/CMIP5 Information

PMIP Last Millenium, mid-Holocene, and LGM

The majority of PMIP model output is held in the PMIP database.

This includes model output for the three 'Tier 1' PMIP time slices: Last Millenium, mid-Holocene, and LGM.

In order to access it, contact Jean-Yves [jean-yves.peterschmitt@lsce.ipsl.fr], or see the instructions here: database.

The current status of the database is here: status.

PlioMIP mid-Pliocene

The PlioMIP data is held on a (password protected) ftp repository in Bristol.

This includes model output for the mid-Pliocene time slab.

In order to access the full outputs, contact Alan Haywood [a.m.haywood@leeds.ac.uk].

You can access a limited amount of output (monthly 2m air temperatures from each model, and ensemble and zonal means) from the Supplementary information of this paper: http://www.clim-past.net/9/191/2013/cp-9-191-2013.html

LIGMIP last Interglaci[al/ation]

You can access a limited amount of output (monthly 2m air temperatures) from the Supplementary information of this paper: http://www.clim-past.net/9/699/2013/cp-9-699-2013.html

In order to access more data, you would have to contact the groups individually, or contact Dan Lunt [d.j.lunt@bristol.ac.uk] for an email list.

Bette Otto-Bliesner is currently collating precipitation data, so you could contact her [ottobli@ucar.edu] if you want that.

EoMIP Eocene

You can access a limited amount of output (monthly 2m air temperatures from each model, and ensemble and zonal means) from the Supplementary information of this paper: http://www.clim-past.net/8/1717/2012/cp-8-1717-2012.html

In order to access more data, you would have to contact the groups individually, or contact Dan Lunt [d.j.lunt@bristol.ac.uk] for an email list.

Other stuff

Some groups have their own online databases of model simulations:

University of Bristol BRIDGE repository:

http://www.bridge.bris.ac.uk/resources/simulations
If you click on 'Access simulations', you can gain access (netcdf and plots) to model data from a selection of published papers. In addition, you may be able to have access to other simulations, on request [to d.j.lunt@bristol.ac.uk or p.j.valdes@bristol.ac.uk]. A list of currently available groups of simulations is here:
http://www.paleo.bris.ac.uk/ummodel/list_of_simulations.html

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