include file: C_SULCHM 3
!-------------------COMDECK C_SULCHM-------------------------------- C_SULCHM.3
! Parameters for Sulphur Cycle Chemistry C_SULCHM.4
REAL C_SULCHM.5
& EVAPTAU, ! timescale for dissolved SO4 to evaporate AWO1F404.41
& NUCTAU, ! timescale for accumulation mode particles C_SULCHM.6
! to nucleate once they enter a cloud. C_SULCHM.7
& DIFFUSE_AIT, ! diffusion coefficient of Aitken particles C_SULCHM.8
& K_SO2OH_HI, ! high pressure reaction rate limit C_SULCHM.9
& K_DMS_OH, ! reaction rate for DMS+OH cc/mcl/s C_SULCHM.10
& BRAT_SO2, ! branching ratio for SO2 in DMS oxidn C_SULCHM.11
& BRAT_MSA, ! branching ratio for MSA in DMS oxidn C_SULCHM.12
& AVOGADRO, ! no. of molecules in 1 mole C_SULCHM.13
& RMM_H2O2, ! relative molecular mass H2O2 kg/mole C_SULCHM.14
& RMM_AIR, ! relative molecular mass dry air C_SULCHM.15
& RMM_W, ! relative molecular mass water C_SULCHM.16
& RELM_S_H2O2, ! rel atomic mass sulphur/RMM_H2O2 C_SULCHM.17
& RELM_S_2N, ! rel atomic mass Sulphur/2*Nitrogen AWO6F405.1
& PARH, ! power of temp dependence of K_SO2OH_LO C_SULCHM.18
& K1, ! parameters for calcn of K_SO2OH_LO C_SULCHM.19
& T1, ! C_SULCHM.20
& FC, ! parameters for interpolation between C_SULCHM.21
& FAC1, ! LO and HI reaction rate limits C_SULCHM.22
& K2,K3,K4, ! parameters for calcn of K_HO2_HO2 C_SULCHM.23
& T2,T3,T4, ! C_SULCHM.24
& CLOUDTAU, ! air parcel lifetime in cloud C_SULCHM.25
& CHEMTAU, ! chem lifetime in cloud before oxidn C_SULCHM.26
& O3_MIN, ! min mmr of O3 required for oxidn AWO6F405.2
& THOLD ! threshold for cloud liquid water C_SULCHM.27
! C_SULCHM.28
! C_SULCHM.29
PARAMETER ( C_SULCHM.30
& EVAPTAU = 300.0, ! secs (=5 mins) AWO1F404.42
& NUCTAU = 30.0, ! secs C_SULCHM.31
& DIFFUSE_AIT = 1.7134E-9, ! sq m/s AWO1F404.43
& K_SO2OH_HI = 1.5E-12, ! cc/mcl/s from STOCHEM model AWO1F404.44
& K_DMS_OH = 9.1E-12, ! cc/mcl/s C_SULCHM.34
& BRAT_SO2 = 0.9, AWO1F404.45
& BRAT_MSA = 1.0-BRAT_SO2, C_SULCHM.36
& AVOGADRO = 6.022E23, ! per mole C_SULCHM.37
& RMM_H2O2 = 3.40E-2, ! kg/mole C_SULCHM.38
& RMM_AIR = 2.896E-2, ! kg/mole C_SULCHM.39
& RMM_W = 1.8E-2, ! kg/mole C_SULCHM.40
& RELM_S_H2O2 = 3.206/3.40, C_SULCHM.41
& RELM_S_2N = 3.206/2.80, AWO6F405.3
& PARH = 3.3, C_SULCHM.42
& K1 = 3.0E-31, ! (cc/mcl)2/s from STOCHEM AWO1F404.46
& T1 = 300.0, ! K C_SULCHM.44
& FC = 0.6, ! from STOCHEM model AWO1F404.47
& FAC1 = 1.0317, ! 0.75-1.27*LOG10(FC) from STOCHEM AWO1F404.48
& K2 = 2.3E-13, ! cc/mcl/s C_SULCHM.47
& K3 = 1.9E-33, ! (cc/mcl)2/s C_SULCHM.48
& K4 = 1.4E-21, ! cc/mcl C_SULCHM.49
& T2 = 600.0, ! K C_SULCHM.50
& T3 = 890.0, ! K C_SULCHM.51
& T4 = 2200.0, ! K C_SULCHM.52
& CLOUDTAU = 1.08E4, ! secs (=3 hours) C_SULCHM.53
& CHEMTAU = 9.0E2, ! secs (=15 mins) C_SULCHM.54
& O3_MIN = 1.6E-8, !(kg/kg, equiv. 10ppbv) AWO6F405.4
& THOLD = 1.0E-8 ! kg/kg C_SULCHM.55
& ) C_SULCHM.56
! C_SULCHM.57
REAL RAD_AIT, ! median radius of Aitken mode particles AWO1F404.49
& DIAM_AIT, ! " diameter " AWO1F404.50
& RAD_ACC, ! median radius of acccumulation mode AWO1F404.51
& DIAM_ACC, ! " diameter " AWO1F404.52
& CHI, ! mole fraction of S in particle AWO1F404.53
& RHO_SO4, ! density of SO4 particle AWO1F404.54
& SIGMA, ! standard devn of particle size distn AWO1F404.55
& E_PARM, ! param relating size distns of Ait & Acc AWO1F404.56
& NUM_STAR ! threshold concn of accu mode particles AWO1F404.57
! below which PSI=1 AWO1F404.58
! AWO1F404.59
PARAMETER ( AWO1F404.60
& RAD_AIT = 24.0E-9, ! m AWO1F404.61
& DIAM_AIT = 2.0*RAD_AIT, AWO1F404.62
& RAD_ACC = 95.0E-9, ! m AWO1F404.63
& DIAM_ACC = 2.0*RAD_ACC, AWO1F404.64
& CHI = 32.0/132.0, AWO1F404.65
& RHO_SO4 = 1769.0, ! kg/m3 AWO1F404.66
& SIGMA = 1.4, AWO1F404.67
& E_PARM = 0.9398, AWO1F404.68
& NUM_STAR = 1.0E6 ! m-3 AWO1F404.69
& ) AWO1F404.70
! AWO1F404.71
!*--------------------------------------------------------------------- C_SULCHM.58