IPCC DDC AR5 ETH Zurich/IPCC AR5 WGI decadal experiments


Knutti, Reto

"decadalYYYY" are an experiment family of the CMIP5 - Coupled Model Intercomparison Project Phase 5 ( https://pcmdi.llnl.gov/mips/cmip5 ). 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 decadal data were collected by ETH Zurich until 15th March 2013 in support of IPCC AR5 Working Group 1 ( http://wiki.c2sm.ethz.ch/COSMO/CMIP5 ). These data are part of the IPCC-DDC AR5.

decadal (decadal hindcast/forecast utilizing alternative initializations.) - Decadal hindcast/prediction. Comparison of initialization strategies - for example, a repeat of experiment 1.1 using an alternate initialization strategy or alternate initial data. Individual decadal experiments are named decadalYYYY with starting year YYYY.

Experiment design: https://pcmdi.llnl.gov/mips/cmip5/experiment_design.html
List of output variables: https://pcmdi.llnl.gov/mips/cmip5/datadescription.html
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 filename.nc" (e.g.: decadal2005/Amon/tas/GFDL-CM2p1/r1i1p1/tas_Amon_GFDL-CM2p1_decadal2005_r1i1p1_200501-201412.nc )
IPCC-DDC_AR5 (IPCC Data Distribution Centre : Fifth Assessment Report data sets)
Prof. Reto Knutti (
Spatial Coverage
Longitude 0 to 360 Latitude -90 to 90 Altitude: -6200 m to .01 hPa
Temporal Coverage
1959-01-01 to 2035-12-31 (proleptic_gregorian)
Use constraints
Data Catalog
World Data Center for Climate
153.36 GiB (164672857392 Byte)
completely archived
Creation Date
Cite as
Knutti, Reto (2014). IPCC Working Group I AR5 snapshot: The decadal experiment group. World Data Center for Climate (WDCC) at DKRZ. https://doi.org/10.1594/WDCC/ETH_cmip5_decadals

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' 03/07/2014
A general list of errata in CMIP5 data is available at: http://cmip-pcmdi.llnl.gov/cmip5/errata/cmip5errata.html
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: http://cmip5qc.wdc-climate.de .
[QualityFlag=approved by author] [DateOfTQA=2014-03-07]
[CMIP5:TQA=done according to criteria for QCL3 defined at http://redmine.dkrz.de/projects/cmip5-qc/wiki/Qc_l3#Criteria-for-QC-L3DOI-publication ]
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

Attached Dataset Groups ( 54 )

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Details for selected entry
[Entry acronym: ETH_cmip5_decadals] [Entry id: 2938810]