6.16.3. Files and Environment Variables

6.16.3.1. Input Files
6.16.3.2. Input Environment Variables
6.16.3.3. Output Files

Figure 6.22. Spcmat input and output files

Spcmat input and output files

Figure 6.22, “Spcmat input and output files” shows the input and output files for the Spcmat program. The input files include the inventory file output from Smkinven (AREA, MOBL, or PNTS), the optional pollutant conversion file (GSCNV), the speciation profiles file (GSPRO), the speciation cross-reference file (GSREF), and the inventory data table (INVTABLE). For mobile sources only, Spcmat uses the mobile codes file (MCODES) and the mobile emission processes file (MEPROC).

Spcmat outputs a mole-based speciation matrix file (ASMAT_L, MSMAT_L, or PSMAT_L) and a mass-based speciation matrix file (ASMAT_S, MSMAT_S, or PSMAT_S). The program also outputs a speciation supplemental file (ASSUP, MSSUP, or PSSUP) and a log file (LOGFILE).

6.16.3.1. Input Files

File Name Format Description
[AREA|MOBL|PNTS] SMOKE map Intermediate inventory file produced by Smkinven
GSCNV (optional) ASCII Pollutant conversion file, used only if POLLUTANT_CONVERSION = Y.
GSPRO ASCII Speciation profiles
GSREF ASCII Speciation cross-reference file
INVTABLE ASCII Inventory data table listing activity and pollutant names
MCODES (optional) ASCII Mobile codes file for converting road class numbers and vehicle type numbers to SMOKE internal standard
MEPROC (optional) ASCII Mobile emission processes file

6.16.3.2. Input Environment Variables

  • FULLSCC_ONLY: See description in Section 6.2.3.2, “Input Environment Variables”. In this context, this option affects cross-referencing for the speciation cross-reference files by preventing left-7 SCC assignments. The application GSCNV files are not affected by this option when using FIPS/SCC assignments, and will continue to use left-7 SCC assignments even when FULLSCC_ONLY is set to "Y".

  • NO_SPC_ZERO_EMIS: [default: N]

    Defines whether the program applies the speciation profiles to zero emission sources.

    • Y: Skip applying speciation profile to zero emission source

    • N: Do not skip

  • POLLUTANT_CONVERSION: [default: N]

    Defines whether the program uses the pollutant-to-pollutant conversion file.

    • Y: Use conversion file

    • N: Do not use conversion file

  • REPORT_DEFAULTS: See description in Section 6.2.3.2, “Input Environment Variables”

  • SMK_SOURCE: See description in Section 6.2.3.2, “Input Environment Variables”

6.16.3.3. Output Files

File Name Format Description
[A|M|P]SMAT_L I/O API NetCDF Mole-based speciation matrix
[A|M|P]SMAT_S I/O API NetCDF Mass-based speciation matrix
[A|M|P]SSUP I/O API NetCDF Speciation supplemental file
LOGFILE ASCII Log generated from executing Spcmat