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Table of Contents - The Atmospheric Studies Group at TRC

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Section 9: CALPUFF<br />

XORIGKM real Reference X coordin<strong>at</strong>e (km) <strong>of</strong> the southwest corner <strong>of</strong> grid<br />

cell (1,1) <strong>of</strong> the meteorological grid<br />

YORIGKM real Reference Y coordin<strong>at</strong>e (km) <strong>of</strong> the southwest corner <strong>of</strong> grid<br />

cell (1,1) <strong>of</strong> the meteorological grid<br />

-<br />

-<br />

* PMAP = PS, EM, and LAZA is NOT AVAILABLE in CALMET<br />

<strong>Table</strong> 9-3 (Continued)<br />

CALPUFF Control File Inputs - Input <strong>Group</strong> 4<br />

Grid Control Parameters<br />

Variable Type Description Default Value<br />

IBCOMP integer X index <strong>of</strong> lower left corner <strong>of</strong> the comput<strong>at</strong>ional grid<br />

(1 IBCOMP < NX)<br />

JBCOMP integer Y index <strong>of</strong> lower left corner <strong>of</strong> the comput<strong>at</strong>ional grid<br />

(1 < JBCOMP < NY)<br />

IECOMP integer X index <strong>of</strong> upper right corner <strong>of</strong> the comput<strong>at</strong>ional grid<br />

(IBCOMP < IECOMP < NX)<br />

JECOMP integer Y index <strong>of</strong> upper right corner <strong>of</strong> comput<strong>at</strong>ional grid<br />

(JBCOMP < JECOMP < NY)<br />

LSAMP integer Flag indic<strong>at</strong>ing if an array <strong>of</strong> gridded receptors (i.e.,<br />

sampling grid) is used<br />

(T = yes, F = no)<br />

IBSAMP integer X index <strong>of</strong> lower left corner <strong>of</strong> the sampling grid<br />

(IBCOMP IBSAMP IECOMP)<br />

JBSAMP integer Y index <strong>of</strong> lower left corner <strong>of</strong> the sampling grid<br />

(JBCOMP JBSAMP JECOMP)<br />

IESAMP integer X index <strong>of</strong> upper right corner <strong>of</strong> the sampling grid<br />

(IBCOMP IESAMP IECOMP)<br />

JESAMP integer Y index <strong>of</strong> upper right corner <strong>of</strong> the sampling gird<br />

(JBCOMP JESAMP JECOMP)<br />

MESHDN integer Nesting factor <strong>of</strong> the sampling grid<br />

(MESHDN > 1). <strong>The</strong> grid spacing <strong>of</strong> the sampling grid is<br />

DGRIDKM/MESHDN. <strong>The</strong> number <strong>of</strong> sampling grid points<br />

is NXSAM * NYSAM, where<br />

NXSAM = MESHDN * (IESAMP - IBSAMP) + 1<br />

NYSAM = MESHDN * (JESAMP - JBSAMP) + 1<br />

-<br />

-<br />

-<br />

-<br />

T<br />

-<br />

-<br />

-<br />

-<br />

1<br />

9-68

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