CESM2 CMIP5 Ensemble

The CESM2 with CMIP5 forcing is a set of climate model simulations intended to disentangle the role of forcing versus model structure between CESM2 and CESM1 for pre-industrial, 20th and 21st centuries simulations. The CESM2 has considerable changes relative to the CESM1 both in the model structure and in the forcing. In order to understand these changes and their impact on climate variability and change, simulations with CESM2 but with a forcing similar to CESM1 were performed. Simulations include a 500-year pre-industrial run and two 15-member ensembles forced by historical/RCP8.5 datasets. Due to computational constraints, only a single historical ensemble member runs from 1850-1920. The remaining members were branched in 1920 from the first member. The forcing in these simulations is comparable to forcing used in the CESM1 Large Ensemble Simulations. The model code and case setups for the CESM2 CMIP5 Forcing Experiments can be found on github.

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Resource Type dataset
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Related Links

Related Resource #1 : CESM CESM2-CMIP5 Community Project

Additional Information N/A
Resource Format NetCDF
Standardized Resource Format NetCDF
Asset Size 95278427.086 MB
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Creative Commons Attribution 4.0 International License


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Resource Support Email datahelp@ucar.edu
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Distributor NSF NCAR Geoscience Data Exchange
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Metadata Contact Email datahelp@ucar.edu
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Author Holland, M.
Hannay, C.
Publisher NSF National Center for Atmospheric Research
Publication Date 2022-01-01
Digital Object Identifier (DOI) https://doi.org/10.26024/4zgv-rt74
Alternate Identifier d651075
Resource Version N/A
Topic Category climatologyMeteorologyAtmosphere
Progress completed
Metadata Date 2025-10-09T01:45:06Z
Metadata Record Identifier edu.ucar.gdex::d651075
Metadata Language eng; USA
Suggested Citation Holland, M., Hannay, C.. (2022). CESM2 CMIP5 Ensemble. NSF National Center for Atmospheric Research. https://doi.org/10.26024/4zgv-rt74. Accessed 12 October 2025.

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