CALPUFF and Postprocessors

Table F-52 (Continued)
Unformatted CONC.DAT file - Header Record NCOM+3 - General Data
No. Variable Type a Description Sample
Values
1 CMODEL C*12 Model name CALPUFF
2 VER C*12 Model version number 5.72
3 LEVEL C*12 Model level number 031017
4 IBYR integer Starting year of the run 1980
5 IBJUL integer Starting Julian day 183
6 IBHR integer Time at start of first period (hour 00-23 LST) 8
7 IBSEC integer Time at start of first period (second 0000-3599 ) 0000
8
10 IAVG integer Averaging time (timesteps) of output concentrations
2
12 NXM integer Number of grid points in meteorological grid (X
direction)
15 DYKM real Grid spacing (km) in the Y direction
5.
16
XBTZ real Base time zone (LST+XBTZ=UTC) 6.0
9 IRLG integer Length of run (timesteps)
11 NSECDT integer Length of a timestep (seconds)
13 NYM integer Number of grid points in meteorological grid (Y
direction)
14 DXKM real Grid spacing (km) in the X direction 5.
IONE integer Number of receptor layers (must be equal to one for
CALPUFF runs)
17 XORIGKM real Reference X coordinate (km) of the southwest corner of
grid cell (1,1) of the meteorological grid
18 YORIGKM real Reference Y coordinate (km) of the southwest corner of
grid cell (1,1) of the meteorological grid
19 NSSTA integer Number of surface meteorological stations 5
20 IBCOMP integer Start of computational grid in X direction
1
21 IECOMP integer End of computational grid in X direction 20
22 JBCOMP integer Start of computation grid in the Y direction 1
23 JECOMP integer End of computational grid in Y direction
20
24 IBSAMP integer Start of sampling grid in X direction 1
25 JBSAMP integer Start of sampling grid in Y direction 1
10
1800
20
20
1
190.
440.
a C*12 = Character*12
MAR 2006 – CALPUFF
F-209