Table of Contents - The Atmospheric Studies Group at TRC

Section 9: CALPUFF
Table 9-33:
BCON.DAT File Inputs
Variable Type Description Sample
Values
(Input Group 1 - General Specifications)
VRSBC
character
*12
Dataset version 5.4
LBLBC
character
*12
Dataset label
SAMPLE
NBCX integer Number of segments along north or south boundary of the
computational domain
NBCY integer Number of segments along east or west boundary of the
computational domain
IBCU integer Units for boundary concentrations
1 = g/m**3
2 = ug/m**3
3 = ppm
4 = ppb
NTYPEBC1 integer Number of air-mass types that are treated as constant, or
that are varied using temporal factors (Group 3)
50
50
2
3
NTYPEBC2 integer Number of air-mass types that are varied hourly (Group 5) 2
NSPECBC integer Number of species in each air-mass 5
NSBC integer Number of air-mass type / species combinations with
variable concentration scaling factors provided in (3b)
10
(Input Group 2 - Species List)
CSPEC
character
*12
Species name (NSPECBC records are required). These
names are passed into the data dictionary for later use
when assigning properties for particular species.
SO2
XMWTBC
(mxspec)
real array Molecular weight (g/mole) for each species (used ONLY 64., ...
if IBCU=3,4 to convert to mass concentration), assigned
by species dictionary name
9-208