The syntax and type for the Long Term MAXTABLE keyword are summarized below:


OU MAXTABLE  Maxnum  INDSRC  and/or  SRCGRP  and/or  SOCONT


Optional, Non‑repeatable

 where the Maxnum parameter specifies the number of maximum values to summarize, and where the INDSRC and SRCGRP secondary keywords specify that summaries of maximum values for individual sources and for source groups, respectively, are to be provided.  The individual source maximum values are treated independently of the source group maxima with the INDSRC option.  To obtain the contribution from each source to the maximum source group values (similar to the information obtained from ISCEV), the user may select the SOCONT option. The user may select any combination of these options in a given run.  If the SOCONT option is selected, and the SRCGRP option has not been selected, the model will automatically determine the maximum source group values so that the source contribution analysis can be performed, but the maximum source group values will not be included in the output file.  The individual source values are presented first in the output file, followed by the maximum source group values, and the source contribution results, according to the options selected.  A complete set of maximum value summary tables is output for each STAR summary processed, and for the PERIOD averages, if calculated.

     The number of overall maximum values that the model can store for each source and source group is controlled by the NMAX PARAMETER in the Fortran computer code.  The value of NMAX is initially set at 10 for the Long Term model.  The NMAX PARAMETER can be changed (up or down), and the model recompiled in order to meet other modeling needs, assuming sufficient memory is available for the model's storage requirements.  Changing the model storage limits is discussed in more detail in Section 4.2.2.

     The syntax and type for the Long Term PLOTFILE keyword are summarized below:


OU PLOTFILE  Aveper  Grpid  Filnam  (Funit)


Optional, Repeatable

where the Aveper parameter is the long term averaging period (e.g. WINTER, SPRING, etc.) and Grpid is the source group ID for which the PLOTFILE option is selected.  The Filnam parameter is the name of the file where the PLOTFILE results are to be written.  The optional Funit parameter allows the user the option of specifying the Fortran logical file unit for the output file.  The user‑specified file unit must be in the range of 20‑100, inclusive.  If the Funit parameter is omitted, then the model will dynamically allocate a unique file unit for this file (see Section 3.8.2).  The PLOTFILE card may be repeated for each combination of averaging period and  source group, and a different filename should be used for each file.  The resulting formatted file includes several records with header information identifying the averaging period and source group of the results, and then a record for each receptor which contains the x and y coordinates for the receptor location, the long term average value at that location, the averaging period and the source group ID.  The data are written to the file in the order of x‑coord, y‑coord, concentration (or deposition) so that the file can easily be imported into a graphics package designed to generate contour plots.  Many such programs will read the PLOTFILEs directly without any modification, although the user may have to delete the header records to produce the desired plots.

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