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Table of Contents - The Atmospheric Studies Group at TRC

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Section 10: POSTPROCESSORS<br />

CALPOST gener<strong>at</strong>es an output list file (default name: CALPOST.LST) and a set <strong>of</strong> optional files. <strong>The</strong><br />

names for the optional files follow a fixed templ<strong>at</strong>e, with one or more characters reserved for the user to<br />

specify in order to distinguish output from multiple applic<strong>at</strong>ions. For example, a plot-file in GRID form<strong>at</strong><br />

containing the highest second-high 24-hour average concentr<strong>at</strong>ion <strong>of</strong> species ASPEC <strong>at</strong> each receptor<br />

would be called:<br />

RANK(02)_ASPEC_24HR_CONC_TEST1.grd<br />

where "TEST1" is the user-specified run identifier. If the user does not enter a run identifier, the file<br />

would be called:<br />

RANK(02)_ASPEC_24HR_CONC.grd<br />

A plot-file in DATA form<strong>at</strong> containing the number <strong>of</strong> exceedances <strong>of</strong> a 3-hour concentr<strong>at</strong>ion threshold<br />

specified by the user for species ASPEC with a run identifier "TEST2" would be called:<br />

EXCEED_ASPEC_03HR_CONC_TEST2.d<strong>at</strong><br />

Plot-files in GRID form<strong>at</strong> containing 8-hour average concentr<strong>at</strong>ions <strong>of</strong> species ASPEC for Julian Day 112<br />

in 1995 (April 22) in base time zone 5 (EST in the USA) would be called<br />

1995_M04_D22_0000(UTC-0500)_L00_ASPEC_08HR_CONC.GRD<br />

1995_M04_D22_0800(UTC-0500)_L00_ASPEC_08HR_CONC.GRD<br />

1995_M04_D22_1600(UTC-0500)_L00_ASPEC_08HR_CONC.GRD<br />

A visibility analysis with a run identifier "TOTAL" would gener<strong>at</strong>e the plot-file:<br />

DAILY_VISIB_TOTAL.DAT<br />

As with CALPUFF and CALMET, CALPOST is configured by means <strong>of</strong> a parameter file, called<br />

PARAMS.PST, in which all <strong>of</strong> the array dimensions rel<strong>at</strong>ed to the number <strong>of</strong> gridded, discrete, and<br />

complex terrain receptors, the number <strong>of</strong> "top N" tables allowed, and the Fortran unit numbers associ<strong>at</strong>ed<br />

with each input and output file are specified. If for a particular applic<strong>at</strong>ion, the user needs to increase the<br />

number <strong>of</strong> discrete receptors, for example, beyond the current maximum, a change to the value <strong>of</strong> the<br />

discrete receptor parameter in PARAMS.PST will autom<strong>at</strong>ically re-size all arrays rel<strong>at</strong>ed to this parameter<br />

upon recompil<strong>at</strong>ion <strong>of</strong> the CALPOST code.<br />

10-45

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