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The following will be submitted to CMIP6 to register E3SM-2-0-NARRM model by submitting an issue in github https://github.com/WCRP-CMIP/CMIP6_CVs/issues/new . 

See the table with all registered model versions and activities (experiment types): https://wcrp-cmip.github.io/CMIP6_CVs/docs/CMIP6_source_id.html

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aerosol:
description = MAM4 w/ new resuspension, marine organics, secondary organics, and dust (atmos physics grid)
nominal_resolution = 100 km   

"source":"E3SM 2.0 NARRM (2022): \naerosol: MAM4 w/ new resuspension, marine organics, secondary organics, and dust (atmos :
description =grid)\natmos: EAM (v2.0, Dynamics: cubed sphere spectral-element grid, 130,088 columns; Physics: 2x2 finite volume cells within each spectral element, 57,816 columns. Variable resolution: North N. American (NA) Regionally Refined Model (RRM) features finer horizontal resolution grids centered over NA, consisting of 25→100 km atmosphere): 25 to 100 km; outside ~100 km. 72 vertical layers w/ top at 60 km)\natmosChem: Troposphere specified oxidants (except passive ozone with the lower boundary sink) for aerosols. Stratosphere linearized interactive ozone (LINOZ v2) (atmos grid)\nland: ELM (v1.0, satellite phenology mode, atmos grid), MOSART (v1.0, 0.125 degree latitude/longitude)\nlandIce: none\nocean: MPAS-Ocean (E3SMv2.0, WC14to60E2r5 unstructured SCVTs mesh with 407420 cells, 1240672 edges, NA: ~14 km; outside: 30 to 60 km; 60 levels; top grid cell 0-10 m)\nocnBgchem: none\nseaIce: MPAS-Seaice (E3SMv2.0, ocean grid, variable resolution 30 to 60 km; 5 ice categories; 7 ice, 5 snow layers)"


atmos:
description =EAM (v2.0, Dynamics: cubed sphere spectral-element grid, 130,088 columns; Physics: 2x2 finite volume cells within each spectral element, 57,816 columns. N. American (NA): 25 to 100 km; outside ~100 km. 72 vertical layers w/ top at 60 km).

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ocean:
description = MPAS-Ocean (E3SMv2.0, WC14to60E2r5 unstructured SCVTs mesh with 407420 cells and 1240672 edges, The NARRM features finer horizontal resolution (14km)  for the ocean surrounding North America, the north Atlantic, and Arctic Oceans, outside of this region the resolution varies from 30→60 NA: ~14 km; outside: 30 to 60 km; 60 levels; top grid cell 0-10 m)
nominal_resolution = none  

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