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CMIP 6 - Coupled Model Intercomparison Project - Phase 6

Using GCMs to carry out simulations of the global climate during the period 1860-2100 (240 years) is a major computational effort. To benefit most from these experiments they are coordinated across different modelling institutes. This is done through a collective effort in the scientific climate modelling community known as the Coupled Model Inter-comparison Project (CMIP).

There have been several cycles of the collaborations, and each cycle provided significant input to the IPCC assessments.

The need to address an ever-expanding range of scientific questions arising from more and more research communities has made it necessary to revise the organisation of CMIP. After a long and wide community consultation, a new and more federated structure has been put in place: CMIP Phase 6 (CMIP6). It consists of three major elements:

  1. a handful of common experiments, the DECK (Diagnostic, Evaluation and Characterization of Klima) and CMIP historical simulations (1850–near present) that will maintain continuity and help document basic characteristics of models across different phases of CMIP
  2. common standards, coordination, infrastructure, and documentation that will facilitate the distribution of model outputs and the characterization of the model ensemble
  3. an ensemble of CMIP-Endorsed Model Intercomparison Projects (MIPs) that will be specific to a particular phase of CMIP (now CMIP6) and that will build on the DECK and CMIP historical simulations to address a large range of specific questions and fill the scientific gaps of the previous CMIP phases

Read more on CMIP6 on the World Climate Research Programme (WCRP) website.

A brief summary of CMIP6 can be found in the following overview presentation.

Data from CMIP6 will be made available on the ESGF infrastructure. First data is expected in autumn 2016.