ETH cmip5 past1000


Knutti, Reto

Dataset GroupDOI
past1000 is an experiment of the CMIP5 - Coupled Model Intercomparison Project Phase 5 ( ). CMIP5 is meant to provide a framework for coordinated climate change experiments for the next five years and thus includes simulations for assessment in the IPCC AR5. This subset of the CMIP5 additional historical data were collected by ETH Zurich until 15th March 2013 in support of IPCC AR5 Working Group 1 ( ). These data are part of the IPCC-DDC AR5.

past1000 (3.6 Last millennium) - Version 2: Consistent with PMIP (Paleo Model Intercomparison Project) requirements, Impose evolving conditions including: Solar Variations and Volcanic Aerosols.

Experiment design:
List of output variables:
Output: time series per variable in model grid spatial resolution in netCDF format
Earth System model and the simulation information: CIM repository

Data are structured and entry names are set according to the ETH Zurich Archive layout: "experiment/MIP table/variable/model/ensemble member/CMOR"
IPCC-DDC_AR5 (IPCC Data Distribution Centre : Fifth Assessment Report data sets)
Prof. Reto Knutti (
World (global)
Additional Information
CMIP5 List of output variables
CMIP5 List of output variables
CMIP5 Experiment design
Datafiles of the Atlas of Global and Regional Climate Projections (IPCC-AR5 Annex I)
CIM simulation documents for CMIP5 experiment past1000
Datafile of the Climate System Scenario Tables (IPCC-AR5 Annex II)
CMIP5 Experiment design
Spatial Coverage
Longitude 0 to 360 Latitude -90 to 90 Altitude: -6200 m to .01 hPa
Temporal Coverage
850-01-01 to 2000-12-31 (calendrical)
Use constraints
Data Catalog
World Data Center for Climate
640.95 GiB (688218369764 Byte)
completely archived
Creation Date
Cite as
Knutti, Reto (2014). IPCC Working Group I AR5 snapshot: The past1000 experiment. World Data Center for Climate (WDCC) at DKRZ.

Basic checks on data gaps and overlaps, no scientific evaluation of the data; SQA - Scientific Quality Assurance 'approved by author' 02/19/2014; TQA - Technical Quality Assurance 'approved by WDCC' 03/04/2014
A general list of errata in CMIP5 data is available at:
as complete as the archive of IPCC-AR5 WG1 at ETH Zurich (snapshot 15th March 2013)
as consistent as the models are;
consistency with project requirements was checked within the CMIP5 data quality procedure described at: .
[QualityFlag=approved by author] [DateOfTQA=2014-03-04]
[CMIP5:TQA=done according to criteria for QCL3 defined at ]
Contact typePersonORCIDOrganization

Is described by

[1] DOI Taylor, Karl E.; Stouffer, Ronald J.; Meehl, Gerald A. (2012). An Overview of CMIP5 and the Experiment Design. doi:10.1175/BAMS-D-11-00094.1
[2] DOI IPCC. (2013). Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. doi:10.1017/CBO9781107415324


IPCC DDC AR5 ETH Zurich/IPCC AR5 WGI main long-term experiments

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[Entry acronym: ETHpk] [Entry id: 2805411]