cam6_2_020: fix for COSP MODIS simulator - #100
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Summary: Introduction of the ability to run with more complex atmospheric gas-phase chemistry. Contributors: Dirk Olivié Reviewers: Steve Goldhaber Purpose of changes: ESCOMP#100 Add trop+strat chemistry scheme. The new scheme is a combination of the aerosols from OSLO_AERO and the gas-phase species from the TS1 chemistry (pp_trop_strat_mam4_vbs). Github PR URL: NorESMhub#149 Changes made to build system: None Changes made to the namelist: - The namelist used by the new compsets contains elements from the standard aerosol-only NorESM namelist, but some external forcings have been removed as not used anymore (ozone climatology, ozone climatology, volcanic stratospheric AOD). - New things are : more emissions files are used, more GHGs/ODSs are prescribed, and the lightning NOx scaling factor is now used. - Concerning MEGAN fluxes from the land-model : more species are mapped into monoterpene (to make it more in line with CESM). - 3D-chemical species are taken into account in the radiation Changes to the defaults for the boundary datasets: - there are additional emission files - some climatologies are not used anymore (ozone, oxidants) Substantial timing or memory changes: an N1850_f19_tn14 simulation on 1024 CPUs is much slower. The throughput is 8.67 simulated years/day (compared to 19.84 simulated years/day in aerosol-only version) Detailed description of changes : General files : bld/config_files/definition.xml [new chemical package "tropstrat_mam_oslo] Files in specific chemistry directory pp_tropstrat_mam_oslo (generated by chemical preprocessor): Test run: ERP_D_Ln9.f19_f19_mtn14.NF1850norbc_tropstratchem.betzy_intel.cam-outfrq aux_cam_noresm tests are BFB except for this new test
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fixes #97
closes #110
This PR replaces PR#95 opened by @dustinswales. It's easier for me to make the changes needed before final merge from my own fork. PR#95 has already been reviewed and accepted.
Note that simulations are BFB. The only changes will be in the MODIS diagnostic fields.