CAM-chem, WACCM and MUSICA contributions to current and upcoming multi-model intercomparison (MIP) activities

Current & Upcoming model comparisons

Please let us know if you plan to contribute CAM-chem simulations, or are interested in collaborating with us on any of these activities.



HTAP model intercomparison of fire impacts

In planning stage.

CAM-chem contacts: Wenfu Tang, Rebecca Buchholz, Louisa Emmons


Interactive Stratospheric Aerosol Model Intercomparison as part of the SPARC activity Stratospheric Sulfur and its Role in Climate:

CESM Contact: Simone Tilmes


Working GroupCAM-chem leadAdditional collaborators
Chemical Reanalysis

East Asia 

Global and Regional Models

Ozone Deposition

Ozone over the Oceans

Ozone Precursors in the Tropics


South Asia

Tropospheric Ozone Precursors

Urban Ozone

Completed MIPs (model results available)


Full-chemistry simulations with CESM2(WACCM) (MOZART-TSMLT chemistry) were provided for CMIP6, for historical conditions and future scenarios, free-running and specified sea surface temperatures, and for many of the AerChemMIP experiments. 

CESM website with details of each simulation

Official archive of CMIP6 output

WACCM output for CMIP6 experiments are available on casper (for those with NCAR supercomputer logins) in /glade/campaign/collections/cmip/CMIP6/timeseries-cmip6/.


IGAC/SPARC Chemistry Climate Model Initiative, phase 1: Overview paper: Morgenstern et al., ACP, 2017


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