The steps you need to take to use BEIS3 for your modeling case are:
Ensure that the land use file has been created and properly installed
See Section 4.4.9.2, “Installing or changing spatial input files”, step 4) for more information on creating and installing the land use data.
Ensure that the meteorology data are correct
See Section 4.4.9.2, “Installing or changing spatial input files”, step 5) and Section 4.4.17, “Change meteorology data” for more information on creating and installing the meteorology data.
Ensure that BEIS3 emission factors are in place.
The B3FAC file is installed by SMOKE and does not need to be changed, so it is very unlikely that this file will not be in its GE_DAT
Setup your BEIS3 run script
To set up your BEIS3 run, copy the example BEIS3 run script listed in Section 4.2.3, “Example script files and their purposes” and reset the script settings. The settings that you may need to reset are as follows (see Chapter 6, SMOKE Core Programs for all program options):
RUN_METSCAN: Set to Y if you need to use the BIOSEASON file (see Section 4.4.9.2, “Installing or changing spatial input files”, step 6).
Normbeis3 options
Tmpbeis3 options
Smkmerge options - this program is used to create state/county totals and/or to change units for CMAQ from moles/hr (output by Tmpbeis3) to moles/s. Depending on the purpose for running Smkmerge in your script, adjust the Smkmerge options accordingly. Please note that you cannot create gridded outputs in moles/s and state/county totals in tons/day in a single run.
If creating state/county totals, make sure the AREA_SURROGATE_NUM setting is set to the cell-area surrogate number in your BGPRO file.
SPC_OVERRIDE: May be needed in some cases (see Section 4.2.4, “Script settings”)