Large data volume: 1 day of GEOS-FP “raw” data files for GEOS-Chem > 21 GB!.Detailed nested-grid simulations with GEOS-Chem are possible at 0.25° x 0.3125° resolution.Ultra-high resolution will facilitate comparison to satellites.0.25° x 0.3125° China, Europe, North America nested grids with 72 hybrid layers.(Note constant fields are stored with date 1) GMAO data assimilation system that was used to create these data files: This is the current operational GMAO data product that can be used to drive GEOS-Chem simulations. GEOS-FP is the GEOS-Chem data archive corresponding the GMAO GEOS "forward processing" met data product. Please also see our GEOS-Chem vertical grids wiki page for more information about how the sigma and hybrid grids are defined.This data product has an increased horizontal resolution (1/4° lat x 5/16° lon). The new GEOS-FP data product has now replaced the interim GEOS-5.7.2 product. MERRA-2 is a long-term reanalysis done with version GEOS-5.12.4.MERRA is a long-term reanalysis done with version GEOS-5.2.0.GEOS-1, GEOS-STRAT and GEOS-3 are now obsolete and are no longer supported for GEOS-Chem.Please see our GCAP wiki page for more information. GEOS-Chem also can perform simulations for GCAP, with met fields archived from one or more different GISS-GCM model simulations. This table only lists the met fields produced by NASA/GMAO.See this notice from the preceding section WE RECOMMEND NOT TO USE THESE OBSOLETE MET FIELD DATA PRODUCTS Is this data still compatible with GEOS-Chem?įrom GEOS-Chem v11-02d and later versions For a more details see GMAO's GEOS Near-Real Time Data Products page. The following table is a quick summary of the GMAO meteorological data products that have been used to drive GEOS-Chem simulations. Side-by-side comparison of GMAO met data products They can still be useful to characterize model transport errors or the effects of different met fields for the same year, but should not be used for any other applications.įor more information see the GEOS-Chem narrative description at These are of inferior quality and GMAO does not want us to use them. GEOS-Chem also supports older GEOS data sets including GEOS-4, GEOS-5, and MERRA.
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