CALPUFF and Postprocessors

CALPUFF and Postprocessors CALPUFF and Postprocessors

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Table G-19 (Concluded) Sample POSTUTIL List File (POSTUTIL.LST) (Partial Listing) ------------------------------------------------------------------------------------------------------------- INPUT FILES Default Name Unit No. File Name and Path ------------ -------- ------------------ POSTUTIL.INP 5 postutil.inp CALPUFF.DAT 10 cpuf.wet (none) 11 cpuf.dry ------------------------------------------------------------------------------------------------------------- OUTPUT FILES Default Name Unit No. File Name and Path ------------ -------- ------------------ POSTUTIL.LST 7 postutil.lst MODEL.DAT 8 cpuf.flx MAR 2006 -- PostProc G-54

G.5 CALPOST The CALPOST program is a postprocessor designed to average and report concentration or wet/dry deposition flux results based on the hourly data contained in the CALPUFF output file. If the CALPUFF application had been configured to provide concentrations needed to assess visibility, CALPOST can also compute extinction coefficients for visibility-related impacts. A range of averaging times may be selected, and the results may be reported in a number of different formats (e.g. rank tables and plots; exceedance tables and plots). Capabilities and options include: - User-selected processing period. - User-selected averaging times, including option for one defined by the user. - User-selected chemical species. - User-selected units for reporting concentrations or deposition fluxes. - Option to include gridded receptors, discrete receptors, and complex terrain receptors in any combination. - Option to specify subsets of the gridded and discrete receptors. - Option to report results by ring. - Option to produce tables of the "top-50" average concentration/deposition flux data (includes time and receptor information) for specified averaging times. - Option to produce tables of up to four "top-N" (user specifies the number N) ranked average concentration/deposition flux data at the selected receptors for specified averaging times. - Option to produce tables of the number of exceedances of user-specified threshold values at the selected receptors for specified averaging times. - Option to produce a table of the annual (or length-of-run) average concentration/deposition flux at the selected receptors. - Option to print concentration/deposition flux averages for selected days. - Option to produce a file of time-series of concentration/deposition flux averages for selected days. - Option to produce files of time-series of the peak concentration/deposition flux average over all selected receptors for each selected averaging period. Each output file contains one averaging period. - Option to produce plot-files in addition to the selected tables for the Atop N@ concentrations or deposition fluxes, the number of exceedances of the user-specified thresholds, and the concentration/deposition flux fields for a particular day. - Option to scale all concentration/deposition flux data by means of a linear function of the form: a*X + b (where X is concentration or deposition, and a,b are user-supplied constants). - Option to add an hourly background concentration/deposition flux from an external file. - Option to produce visibility parameters, signaled by setting the species name to VISIB. Requires that CALPUFF is configured for visibility computations. MAR 2006 -- PostProc G-55

Table G-19 (Concluded)<br />

Sample POSTUTIL List File (POSTUTIL.LST)<br />

(Partial Listing)<br />

-------------------------------------------------------------------------------------------------------------<br />

INPUT FILES<br />

Default Name Unit No. File Name <strong>and</strong> Path<br />

------------ -------- ------------------<br />

POSTUTIL.INP 5 postutil.inp<br />

<strong>CALPUFF</strong>.DAT 10 cpuf.wet<br />

(none) 11 cpuf.dry<br />

-------------------------------------------------------------------------------------------------------------<br />

OUTPUT FILES<br />

Default Name Unit No. File Name <strong>and</strong> Path<br />

------------ -------- ------------------<br />

POSTUTIL.LST 7 postutil.lst<br />

MODEL.DAT 8 cpuf.flx<br />

MAR 2006 -- PostProc<br />

G-54

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