3 INTEGER, PARAMETER :: NASECT = 3 ! total number of size sections
4 ! over the simulated aerosol size range
5 ! DEPENDS ON NO. OF SECTIONS
7 ! Maximum particle diameter simulated [micro meter]
8 REAL, PARAMETER :: DPUP = 10.0
10 ! Minimum particle diameter simulated [micro meter]
11 REAL, PARAMETER :: DPLOW = 0.0215
13 REAL VRAT ! volume ratio of adjacent sections
15 REAL VRLOW ! = (2.0 / (1.0 + VRAT) )**(1.0/3.0)
17 REAL VRHI ! = VRLOW * VRAT**(1.0/3.0)
19 REAL DPBINMIN! initial center diameter of the first size section
22 ! Particle density [g / cm**3]
23 ! For comparison between 2-bin and 8-bin, use the value of 1.352,
24 ! so that the cut off size for PM2.5 is 2.15 um, consistent with
25 ! the 8-bin cut off size
26 REAL, PARAMETER :: DENSP = 1.352
28 ! Particle diameters (microns)
29 REAL :: DPCTR( NASECT )
32 REAL :: PMCONC( NASECT )
34 ! Particle surface area (um2), volume (um3), mass (ug) and no. conc (#/m3)
35 ! in each size section
36 REAL :: SURFP, VOL, AEROMA, XNUM
38 REAL :: AREA( NASECT ) ! Surface area of each section [m**2/m**3]
41 !.......................................................................