[3526] | 1 | ! |
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| 2 | ! $Id: nucleation_tstep_mod.f90 5285 2024-10-28 13:33:29Z fhourdin $ |
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| 3 | ! |
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[2690] | 4 | MODULE nucleation_tstep_mod |
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| 5 | |
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| 6 | CONTAINS |
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| 7 | |
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[3536] | 8 | SUBROUTINE nucleation_rate(rhoa,t_seri,pplay,rh,a_xm,b_xm,c_xm,nucl_rate,ntot_n,x_n) |
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[2690] | 9 | |
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[5285] | 10 | USE yomcst_mod_h |
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[2690] | 11 | USE aerophys |
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[3677] | 12 | USE infotrac_phy |
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[4601] | 13 | USE strataer_local_var_mod, ONLY : flag_new_nucl |
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[5274] | 14 | |
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[2690] | 15 | IMPLICIT NONE |
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| 16 | |
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[3536] | 17 | ! input variables |
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| 18 | REAL rhoa ! H2SO4 number density [molecules/cm3] |
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| 19 | REAL t_seri ! temperature (K) |
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| 20 | REAL pplay ! pressure (Pa) |
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| 21 | REAL rh ! relative humidity (between 0 and 1) |
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[2690] | 22 | REAL a_xm, b_xm, c_xm |
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| 23 | |
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[3536] | 24 | ! output variables |
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[2690] | 25 | REAL nucl_rate |
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[3536] | 26 | REAL ntot_n ! total number of molecules in the critical cluster for neutral nucleation |
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| 27 | REAL x_n ! mole fraction of H2SO4 in the critical cluster for neutral nucleation |
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[2690] | 28 | |
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[3536] | 29 | ! local variables |
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| 30 | REAL jnuc_n ! nucleation rate in 1/cm3s (10^-7-10^10 1/cm3s) for neutral nucleation |
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| 31 | REAL rc_n ! radius of the critical cluster in nm for neutral nucleation |
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| 32 | REAL na_n ! sulfuric acid molecules in the neutral critical cluster (NOT IN USE) |
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| 33 | LOGICAL kinetic_n ! true if kinetic neutral nucleation (NOT IN USE) |
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| 34 | LOGICAL kinetic_i ! true if kinetic ion-induced nucleation (NOT IN USE) |
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[2690] | 35 | REAL VH2SO4mol |
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[3536] | 36 | REAL ntot_i, x_i, jnuc_i, rc_i, na_i, n_i ! quantities for charged nucleation (NOT IN USE) |
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| 37 | REAL csi ! Ion condensation sink (s-1) NOT IN USE |
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| 38 | REAL airn ! Air molecule concentration in (cm-3) NOT IN USE |
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| 39 | REAL ipr ! Ion pair production rate (cm-3 s-1) NOT IN USE |
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[2690] | 40 | |
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[4762] | 41 | |
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[2690] | 42 | ! call nucleation routine |
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[3536] | 43 | IF (.NOT.flag_new_nucl) THEN |
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| 44 | ! Use older routine from Hanna Vehkamäki (FMI) |
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| 45 | CALL binapara(t_seri,rh,rhoa,jnuc_n,x_n,ntot_n,rc_n) |
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| 46 | ! when total number of molecules is too small |
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| 47 | ! then set jnuc_n to collision rate of two H2SO4 molecules (following personal communication of Ulrike Niemeier and Hanna Vehkamäki) |
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| 48 | IF (ntot_n < 4.0) THEN |
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| 49 | VH2SO4mol=mH2SO4mol/(1.E-3*(a_xm+t_seri*(b_xm+t_seri*c_xm))) !cm3 |
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| 50 | jnuc_n = rhoa**2. *(3./4.*RPI)**(1./6.) *(12.*RKBOL*t_seri/mH2SO4mol)**0.5 & |
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| 51 | & *100.*(2.*VH2SO4mol**(1./3.))**2. !1/(cm3s) |
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| 52 | ntot_n=2.0 |
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| 53 | x_n=1.0 |
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| 54 | ENDIF |
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| 55 | ELSE |
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| 56 | ! Use new routine from Anni Maattanen (LATMOS) |
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| 57 | csi=0.0 ! no charged nucleation for now |
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| 58 | ipr=-1.0 ! dummy value to make sure charged nucleation does not occur |
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| 59 | airn=0.0 ! NOT IN USE |
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| 60 | ! airn=pplay/t_seri/RD/1.E3*RNAVO/RMD ! molec cm-3 (for future use, to be confirmed) |
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| 61 | CALL newbinapara(t_seri,rh,rhoa,csi,airn,ipr,jnuc_n,ntot_n,jnuc_i,ntot_i, & |
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[4829] | 62 | & x_n,x_i,na_n,na_i,rc_n,rc_i,n_i,kinetic_n,kinetic_i) |
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[2690] | 63 | ENDIF |
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| 64 | |
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[3536] | 65 | ! convert jnuc_n from particles/cm3/s to kg(H2SO4)/kgA/s |
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| 66 | nucl_rate=jnuc_n*ntot_n*x_n*mH2SO4mol/(pplay/t_seri/RD/1.E6) |
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[2690] | 67 | |
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| 68 | END SUBROUTINE nucleation_rate |
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| 69 | |
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| 70 | !-------------------------------------------------------------------------------------------------- |
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| 71 | |
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[4950] | 72 | SUBROUTINE nucleation_part(nucl_rate,ntot,x,dt,tr_seri) |
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[2690] | 73 | |
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| 74 | USE aerophys |
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[3677] | 75 | USE infotrac_phy |
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[4950] | 76 | USE strataer_local_var_mod, ONLY : Vbin |
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| 77 | |
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[2690] | 78 | IMPLICIT NONE |
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| 79 | |
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[3534] | 80 | ! input variable |
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[2690] | 81 | REAL nucl_rate |
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| 82 | REAL ntot ! total number of molecules in the critical cluster |
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[3534] | 83 | REAL x ! mole raction of H2SO4 in the critical cluster |
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[2690] | 84 | REAL dt |
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[4950] | 85 | |
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[3534] | 86 | ! output variable |
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[2690] | 87 | REAL tr_seri(nbtr) |
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| 88 | |
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[3534] | 89 | ! local variable |
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[2690] | 90 | INTEGER k |
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| 91 | REAL Vnew |
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| 92 | REAL ff(nbtr_bin) |
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| 93 | |
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| 94 | ! dry volume of nucleated particle (at reference temperature) |
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[4912] | 95 | ! dens_aer_dry (density of dry aerosol []kg/m3) |
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| 96 | ! H2SO4mol: mass of an H2SO4 molecule [kg] |
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| 97 | ! Vnew [m3] |
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[2690] | 98 | Vnew=mH2SO4mol*ntot*x/dens_aer_dry |
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| 99 | |
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| 100 | ! compute distribution factor for particles of intermediate size (from Jacobson 1994, equation 13) |
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| 101 | ff(:)=0.0 |
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| 102 | DO k=1, nbtr_bin |
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| 103 | ! CK 20160531: bug fix for first bin |
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[3534] | 104 | IF (k.LE.nbtr_bin-1) THEN |
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[2695] | 105 | IF (Vbin(k).LE.Vnew.AND.Vnew.LT.Vbin(k+1)) THEN |
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| 106 | ff(k)= Vbin(k)/Vnew*(Vbin(k+1)-Vnew)/(Vbin(k+1)-Vbin(k)) |
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| 107 | ENDIF |
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[2690] | 108 | ENDIF |
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| 109 | IF (k.EQ.1.AND.Vnew.LE.Vbin(k)) THEN |
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| 110 | ff(k)= 1. |
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| 111 | ENDIF |
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[2695] | 112 | IF (k.GT.1) THEN |
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| 113 | IF (Vbin(k-1).LT.Vnew.AND.Vnew.LT.Vbin(k)) THEN |
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| 114 | ff(k)= 1.-ff(k-1) |
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| 115 | ENDIF |
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[2690] | 116 | ENDIF |
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| 117 | IF (k.EQ.nbtr_bin.AND.Vnew.GE.Vbin(k)) THEN |
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| 118 | ff(k)= 1. |
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| 119 | ENDIF |
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| 120 | ENDDO |
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| 121 | ! correction of ff for volume conservation |
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| 122 | DO k=1, nbtr_bin |
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| 123 | ff(k)=ff(k)*Vnew/Vbin(k) |
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| 124 | ENDDO |
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| 125 | |
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| 126 | ! add nucleated H2SO4 to corresponding aerosol bin |
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| 127 | DO k=1, nbtr_bin |
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| 128 | tr_seri(k+nbtr_sulgas)=tr_seri(k+nbtr_sulgas)+nucl_rate*dt/(mH2SO4mol*ntot*x)*ff(k) |
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| 129 | ENDDO |
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| 130 | |
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| 131 | END SUBROUTINE nucleation_part |
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| 132 | |
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| 133 | !--------------------------------------------------------------------------------------------------- |
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| 134 | |
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| 135 | SUBROUTINE binapara(pt,prh,rhoa_in,jnuc,x,ntot,rc) |
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| 136 | |
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[3534] | 137 | |
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[2690] | 138 | ! Fortran 90 subroutine binapara |
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| 139 | ! |
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| 140 | ! Calculates parametrized values of nucleation rate, |
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| 141 | ! mole fraction of sulphuric acid |
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| 142 | ! total number of particles, and the radius of the critical cluster |
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| 143 | ! in H2O-H2SO4 system IF temperature, saturatio ratio of water and |
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| 144 | ! sulfuric acid concentration are given. |
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| 145 | ! |
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| 146 | ! Copyright (C) 2002 Hanna Vehkamäki |
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| 147 | ! |
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| 148 | ! Division of Atmospheric Sciences |
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| 149 | ! Department of Physical Sciences |
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| 150 | ! P.O. Box 64 |
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| 151 | ! FIN-00014 University of Helsinki |
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| 152 | ! Finland |
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| 153 | ! |
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| 154 | ! hanna.vehkamaki@helsinki.fi |
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| 155 | |
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| 156 | IMPLICIT NONE |
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| 157 | |
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| 158 | REAL :: pt,t !temperature in K (190.15-300.15K) |
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[3534] | 159 | REAL :: prh,rh !saturation ratio of water (0.0001-1) |
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| 160 | REAL,INTENT(IN) :: rhoa_in !sulfuric acid concentration in 1/cm3 (10^4-10^11 1/cm3) |
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| 161 | REAL,INTENT(OUT) :: jnuc !nucleation rate in 1/cm3s (10^-7-10^10 1/cm3s) |
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| 162 | REAL,INTENT(OUT) :: ntot !total number of molecules in the critical cluster (ntot>4) |
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| 163 | REAL,INTENT(OUT) :: x ! mole fraction of H2SO4 in the critical cluster |
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| 164 | REAL,INTENT(OUT) :: rc !radius of the critical cluster in nm |
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| 165 | REAL :: rhotres ! threshold concentration of h2so4 (1/cm^3) |
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[2690] | 166 | ! which produces nucleation rate 1/(cm^3 s) as a function of rh and t |
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| 167 | REAL rhoa |
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| 168 | |
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[3534] | 169 | ! CK: use intermediate variable to avoid overwriting |
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[2690] | 170 | t=pt |
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| 171 | rh=prh |
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| 172 | rhoa=rhoa_in |
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| 173 | |
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| 174 | IF (t < 190.15) THEN |
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| 175 | t=190.15 |
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| 176 | ENDIF |
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| 177 | |
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| 178 | IF (t > 300.15) THEN |
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| 179 | t=300.15 |
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| 180 | ENDIF |
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| 181 | |
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| 182 | IF (rh < 0.0001) THEN |
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| 183 | rh=0.0001 |
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| 184 | ENDIF |
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| 185 | |
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| 186 | IF (rh > 1.0) THEN |
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| 187 | rh=1.0 |
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| 188 | ENDIF |
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| 189 | |
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| 190 | IF (rhoa < 1.e4) THEN |
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| 191 | rhoa=1.e4 |
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| 192 | ENDIF |
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| 193 | |
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| 194 | IF (rhoa > 1.e11) THEN |
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| 195 | rhoa=1.e11 |
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| 196 | ENDIF |
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| 197 | |
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[3534] | 198 | x= 0.7409967177282139 - 0.002663785665140117*t + 0.002010478847383187*LOG(rh) & |
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| 199 | & - 0.0001832894131464668*t*LOG(rh) + 0.001574072538464286*LOG(rh)**2 & |
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| 200 | & - 0.00001790589121766952*t*LOG(rh)**2 + 0.0001844027436573778*LOG(rh)**3 & |
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| 201 | & - 1.503452308794887E-6*t*LOG(rh)**3 - 0.003499978417957668*LOG(rhoa) & |
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| 202 | & + 0.0000504021689382576*t*LOG(rhoa) |
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[2690] | 203 | |
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[3689] | 204 | jnuc= 0.1430901615568665 + 2.219563673425199*t - 0.02739106114964264*t**2 + & |
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| 205 | & 0.00007228107239317088*t**3 + 5.91822263375044/x + & |
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[3534] | 206 | & 0.1174886643003278*LOG(rh) + 0.4625315047693772*t*LOG(rh) - & |
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[3689] | 207 | & 0.01180591129059253*t**2*LOG(rh) + & |
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[3534] | 208 | & 0.0000404196487152575*t**3*LOG(rh) + (15.79628615047088*LOG(rh))/x - & |
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[3689] | 209 | & 0.215553951893509*LOG(rh)**2 - 0.0810269192332194*t*LOG(rh)**2 + & |
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[3534] | 210 | & 0.001435808434184642*t**2*LOG(rh)**2 - & |
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| 211 | & 4.775796947178588E-6*t**3*LOG(rh)**2 - & |
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[3689] | 212 | & (2.912974063702185*LOG(rh)**2)/x - 3.588557942822751*LOG(rh)**3 + & |
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[3534] | 213 | & 0.04950795302831703*t*LOG(rh)**3 - & |
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[3689] | 214 | & 0.0002138195118737068*t**2*LOG(rh)**3 + & |
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[3534] | 215 | & 3.108005107949533E-7*t**3*LOG(rh)**3 - & |
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[3689] | 216 | & (0.02933332747098296*LOG(rh)**3)/x + & |
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[3534] | 217 | & 1.145983818561277*LOG(rhoa) - & |
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[3689] | 218 | & 0.6007956227856778*t*LOG(rhoa) + & |
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[3534] | 219 | & 0.00864244733283759*t**2*LOG(rhoa) - & |
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| 220 | & 0.00002289467254710888*t**3*LOG(rhoa) - & |
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[3689] | 221 | & (8.44984513869014*LOG(rhoa))/x + & |
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| 222 | & 2.158548369286559*LOG(rh)*LOG(rhoa) + & |
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[3534] | 223 | & 0.0808121412840917*t*LOG(rh)*LOG(rhoa) - & |
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| 224 | & 0.0004073815255395214*t**2*LOG(rh)*LOG(rhoa) - & |
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[3689] | 225 | & 4.019572560156515E-7*t**3*LOG(rh)*LOG(rhoa) + & |
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| 226 | & (0.7213255852557236*LOG(rh)*LOG(rhoa))/x + & |
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[3534] | 227 | & 1.62409850488771*LOG(rh)**2*LOG(rhoa) - & |
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[3689] | 228 | & 0.01601062035325362*t*LOG(rh)**2*LOG(rhoa) + & |
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| 229 | & 0.00003771238979714162*t**2*LOG(rh)**2*LOG(rhoa) + & |
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[3534] | 230 | & 3.217942606371182E-8*t**3*LOG(rh)**2*LOG(rhoa) - & |
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[3689] | 231 | & (0.01132550810022116*LOG(rh)**2*LOG(rhoa))/x + & |
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[3534] | 232 | & 9.71681713056504*LOG(rhoa)**2 - & |
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[3689] | 233 | & 0.1150478558347306*t*LOG(rhoa)**2 + & |
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| 234 | & 0.0001570982486038294*t**2*LOG(rhoa)**2 + & |
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| 235 | & 4.009144680125015E-7*t**3*LOG(rhoa)**2 + & |
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[3534] | 236 | & (0.7118597859976135*LOG(rhoa)**2)/x - & |
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[3689] | 237 | & 1.056105824379897*LOG(rh)*LOG(rhoa)**2 + & |
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[3534] | 238 | & 0.00903377584628419*t*LOG(rh)*LOG(rhoa)**2 - & |
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[3689] | 239 | & 0.00001984167387090606*t**2*LOG(rh)*LOG(rhoa)**2 + & |
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[3534] | 240 | & 2.460478196482179E-8*t**3*LOG(rh)*LOG(rhoa)**2 - & |
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| 241 | & (0.05790872906645181*LOG(rh)*LOG(rhoa)**2)/x - & |
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[3689] | 242 | & 0.1487119673397459*LOG(rhoa)**3 + & |
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[3534] | 243 | & 0.002835082097822667*t*LOG(rhoa)**3 - & |
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[3689] | 244 | & 9.24618825471694E-6*t**2*LOG(rhoa)**3 + & |
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[3534] | 245 | & 5.004267665960894E-9*t**3*LOG(rhoa)**3 - & |
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| 246 | & (0.01270805101481648*LOG(rhoa)**3)/x |
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| 247 | jnuc=EXP(jnuc) !1/(cm3s) |
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[2690] | 248 | |
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[3534] | 249 | ntot =-0.002954125078716302 - 0.0976834264241286*t + 0.001024847927067835*t**2 - 2.186459697726116E-6*t**3 - & |
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[3689] | 250 | & 0.1017165718716887/x - 0.002050640345231486*LOG(rh) - 0.007585041382707174*t*LOG(rh) + & |
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[3534] | 251 | & 0.0001926539658089536*t**2*LOG(rh) - 6.70429719683894E-7*t**3*LOG(rh) - & |
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| 252 | & (0.2557744774673163*LOG(rh))/x + 0.003223076552477191*LOG(rh)**2 + 0.000852636632240633*t*LOG(rh)**2 - & |
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[3689] | 253 | & 0.00001547571354871789*t**2*LOG(rh)**2 + 5.666608424980593E-8*t**3*LOG(rh)**2 + & |
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[3534] | 254 | & (0.03384437400744206*LOG(rh)**2)/x + 0.04743226764572505*LOG(rh)**3 - & |
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| 255 | & 0.0006251042204583412*t*LOG(rh)**3 + 2.650663328519478E-6*t**2*LOG(rh)**3 - & |
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| 256 | & 3.674710848763778E-9*t**3*LOG(rh)**3 - (0.0002672510825259393*LOG(rh)**3)/x - & |
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| 257 | & 0.01252108546759328*LOG(rhoa) + 0.005806550506277202*t*LOG(rhoa) - & |
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[3689] | 258 | & 0.0001016735312443444*t**2*LOG(rhoa) + 2.881946187214505E-7*t**3*LOG(rhoa) + & |
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[3534] | 259 | & (0.0942243379396279*LOG(rhoa))/x - 0.0385459592773097*LOG(rh)*LOG(rhoa) - & |
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[3689] | 260 | & 0.0006723156277391984*t*LOG(rh)*LOG(rhoa) + 2.602884877659698E-6*t**2*LOG(rh)*LOG(rhoa) + & |
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[3534] | 261 | & 1.194163699688297E-8*t**3*LOG(rh)*LOG(rhoa) - (0.00851515345806281*LOG(rh)*LOG(rhoa))/x - & |
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| 262 | & 0.01837488495738111*LOG(rh)**2*LOG(rhoa) + 0.0001720723574407498*t*LOG(rh)**2*LOG(rhoa) - & |
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| 263 | & 3.717657974086814E-7*t**2*LOG(rh)**2*LOG(rhoa) - & |
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[3689] | 264 | & 5.148746022615196E-10*t**3*LOG(rh)**2*LOG(rhoa) + & |
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| 265 | & (0.0002686602132926594*LOG(rh)**2*LOG(rhoa))/x - 0.06199739728812199*LOG(rhoa)**2 + & |
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[3534] | 266 | & 0.000906958053583576*t*LOG(rhoa)**2 - 9.11727926129757E-7*t**2*LOG(rhoa)**2 - & |
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[3689] | 267 | & 5.367963396508457E-9*t**3*LOG(rhoa)**2 - (0.007742343393937707*LOG(rhoa)**2)/x + & |
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| 268 | & 0.0121827103101659*LOG(rh)*LOG(rhoa)**2 - 0.0001066499571188091*t*LOG(rh)*LOG(rhoa)**2 + & |
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[3534] | 269 | & 2.534598655067518E-7*t**2*LOG(rh)*LOG(rhoa)**2 - & |
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[3689] | 270 | & 3.635186504599571E-10*t**3*LOG(rh)*LOG(rhoa)**2 + & |
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[3534] | 271 | & (0.0006100650851863252*LOG(rh)*LOG(rhoa)**2)/x + 0.0003201836700403512*LOG(rhoa)**3 - & |
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| 272 | & 0.0000174761713262546*t*LOG(rhoa)**3 + 6.065037668052182E-8*t**2*LOG(rhoa)**3 - & |
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| 273 | & 1.421771723004557E-11*t**3*LOG(rhoa)**3 + (0.0001357509859501723*LOG(rhoa)**3)/x |
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| 274 | ntot=EXP(ntot) |
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[2690] | 275 | |
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[3534] | 276 | rc=EXP(-1.6524245+0.42316402*x+0.33466487*LOG(ntot)) !nm |
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[2690] | 277 | |
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[3534] | 278 | IF (jnuc < 1.E-7) THEN |
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[2690] | 279 | jnuc=0.0 |
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| 280 | ENDIF |
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| 281 | |
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| 282 | IF (jnuc > 1.e10) THEN |
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| 283 | jnuc=1.e10 |
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| 284 | ENDIF |
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| 285 | |
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[3534] | 286 | rhotres=EXP( -279.2430007512709 + 11.73439886096903*rh + 22700.92970508331/t & |
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[2690] | 287 | & - (1088.644983466801*rh)/t + 1.144362942094912*t & |
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| 288 | & - 0.03023314602163684*rh*t - 0.001302541390154324*t**2 & |
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[3534] | 289 | & - 6.386965238433532*LOG(rh) + (854.980361026715*LOG(rh))/t & |
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| 290 | & + 0.00879662256826497*t*LOG(rh)) !1/cm3 |
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[2690] | 291 | |
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| 292 | RETURN |
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| 293 | |
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| 294 | END SUBROUTINE binapara |
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| 295 | |
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[3534] | 296 | !--------------------------------------------------------------------------------------------------- |
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| 297 | |
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[3536] | 298 | SUBROUTINE newbinapara(t,satrat,rhoa,csi,airn,ipr,jnuc_n_real,ntot_n_real,jnuc_i_real,ntot_i_real, & |
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| 299 | & x_n_real,x_i_real,na_n_real,na_i_real,rc_n_real,rc_i_real,n_i_real, & |
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[4829] | 300 | & kinetic_n,kinetic_i) |
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[3534] | 301 | |
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| 302 | ! Fortran 90 subroutine newbinapara |
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| 303 | ! |
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| 304 | ! Calculates parametrized values for neutral and ion-induced sulfuric acid-water particle formation rate |
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| 305 | ! of critical clusters, |
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| 306 | ! number of particle in the critical clusters, the radii of the critical clusters |
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| 307 | ! in H2O-H2SO4-ion system if temperature, saturation ratio of water, sulfuric acid concentration, |
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| 308 | ! and, optionally, either condensation sink due to pre-existing particle and ion pair production rate, |
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| 309 | ! or atmospheric concentration of negative ions are given. |
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| 310 | ! |
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| 311 | ! The code calculates also the kinetic limit and the particle formation rate |
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| 312 | ! above this limit (in which case we set ntot=1 and na=1) |
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| 313 | ! |
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| 314 | ! Copyright (C)2018 Määttänen et al. 2018 |
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| 315 | ! |
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| 316 | ! anni.maattanen@latmos.ipsl.fr |
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| 317 | ! joonas.merikanto@fmi.fi |
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| 318 | ! hanna.vehkamaki@helsinki.fi |
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| 319 | ! |
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| 320 | ! References |
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| 321 | ! A. Määttänen, J. Merikanto, H. Henschel, J. Duplissy, R. Makkonen, |
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| 322 | ! I. K. Ortega and H. Vehkamäki (2018), New parameterizations for |
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| 323 | ! neutral and ion-induced sulfuric acid-water particle formation in |
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| 324 | ! nucleation and kinetic regimes, J. Geophys. Res. Atmos., 122, doi:10.1002/2017JD027429. |
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| 325 | ! |
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| 326 | ! Brasseur, G., and A. Chatel (1983), paper presented at the 9th Annual Meeting of the |
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| 327 | ! European Geophysical Society, Leeds, Great Britain, August 1982. |
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| 328 | ! |
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| 329 | ! Dunne, Eimear M., et al.(2016), Global atmospheric particle formation from CERN CLOUD measurements, |
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| 330 | ! Science 354.6316, 1119-1124. |
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| 331 | ! |
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| 332 | |
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[5285] | 333 | USE yomcst_mod_h |
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[3534] | 334 | USE aerophys |
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| 335 | |
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[5274] | 336 | IMPLICIT NONE |
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[3534] | 337 | |
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| 338 | !---------------------------------------------------- |
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[5274] | 339 | |
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[3534] | 340 | !Global intent in |
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[5274] | 341 | REAL,INTENT(IN) :: t ! temperature in K |
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[3536] | 342 | REAL,INTENT(IN) :: satrat ! saturatio ratio of water (between zero and 1) |
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| 343 | REAL,INTENT(IN) :: rhoa ! sulfuric acid concentration in 1/cm3 |
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| 344 | REAL,INTENT(IN) :: csi ! Ion condensation sink (s-1) |
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| 345 | REAL,INTENT(IN) :: airn ! Air molecule concentration in (cm-3) |
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| 346 | REAL,INTENT(IN) :: ipr ! Ion pair production rate (cm-3 s-1) |
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[3534] | 347 | !Global intent out |
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[3536] | 348 | REAL,INTENT(OUT) :: jnuc_n_real ! Neutral nucleation rate in 1/cm3s (J>10^-7 1/cm3s) |
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| 349 | REAL,INTENT(OUT) :: ntot_n_real ! total number of molecules in the neutral critical cluster |
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| 350 | REAL,INTENT(OUT) :: jnuc_i_real ! Charged nucleation rate in 1/cm3s (J>10^-7 1/cm3s) |
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| 351 | REAL,INTENT(OUT) :: ntot_i_real ! total number of molecules in the charged critical cluster |
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[5274] | 352 | REAL,INTENT(OUT) :: x_n_real ! mole fraction of H2SO4 in the neutral critical cluster |
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| 353 | REAL,INTENT(OUT) :: x_i_real ! mole fraction of H2SO4 in the charged critical cluster |
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| 354 | ! (note that x_n=x_i in nucleation regime) |
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[3536] | 355 | REAL,INTENT(OUT) :: na_n_real ! sulfuric acid molecules in the neutral critical cluster |
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| 356 | REAL,INTENT(OUT) :: na_i_real ! sulfuric molecules in the charged critical cluster |
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[5274] | 357 | REAL,INTENT(OUT) :: rc_n_real ! radius of the charged critical cluster in nm |
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| 358 | REAL,INTENT(OUT) :: rc_i_real ! radius of the charged critical cluster in nm |
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| 359 | REAL,INTENT(OUT) :: n_i_real ! number of ion pairs in air (cm-3) |
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[3534] | 360 | LOGICAL,INTENT(OUT) :: kinetic_n ! true if kinetic neutral nucleation |
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| 361 | LOGICAL,INTENT(OUT) :: kinetic_i ! true if kinetic ion-induced nucleation |
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| 362 | |
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| 363 | ! Local |
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[3536] | 364 | DOUBLE PRECISION :: jnuc_n ! Neutral nucleation rate in 1/cm3s (J>10^-7 1/cm3s) |
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| 365 | DOUBLE PRECISION :: ntot_n ! total number of molecules in the neutral critical cluster |
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| 366 | DOUBLE PRECISION :: jnuc_i ! Charged nucleation rate in 1/cm3s (J>10^-7 1/cm3s) |
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| 367 | DOUBLE PRECISION :: ntot_i ! total number of molecules in the charged critical cluster |
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[5274] | 368 | DOUBLE PRECISION :: x_n ! mole fraction of H2SO4 in the neutral critical cluster |
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| 369 | DOUBLE PRECISION :: x_i ! mole fraction of H2SO4 in the charged critical cluster |
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| 370 | ! (note that x_n=x_i in nucleation regime) |
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[3536] | 371 | DOUBLE PRECISION :: na_n ! sulfuric acid molecules in the neutral critical cluster |
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| 372 | DOUBLE PRECISION :: na_i ! sulfuric molecules in the charged critical cluster |
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[5274] | 373 | DOUBLE PRECISION :: rc_n ! radius of the charged critical cluster in nm |
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| 374 | DOUBLE PRECISION :: rc_i ! radius of the charged critical cluster in nm |
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| 375 | DOUBLE PRECISION :: n_i ! number of ion pairs in air (cm-3) |
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| 376 | DOUBLE PRECISION :: x ! mole fraction of H2SO4 in the critical cluster |
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[3534] | 377 | DOUBLE PRECISION :: satratln ! bounded water saturation ratio for neutral case (between 5.E-6 - 1.0) |
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| 378 | DOUBLE PRECISION :: satratli ! bounded water saturation ratio for ion-induced case (between 1.E-7 - 0.95) |
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| 379 | DOUBLE PRECISION :: rhoaln ! bounded concentration of h2so4 for neutral case (between 10^10 - 10^19 m-3) |
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| 380 | DOUBLE PRECISION :: rhoali ! bounded concentration of h2so4 for ion-induced case (between 10^10 - 10^22 m-3) |
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| 381 | DOUBLE PRECISION :: tln ! bounded temperature for neutral case (between 165-400 K) |
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| 382 | DOUBLE PRECISION :: tli ! bounded temperature for ion-induced case (195-400 K) |
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[5274] | 383 | DOUBLE PRECISION :: kinrhotresn ! threshold sulfuric acid for neutral kinetic nucleation |
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| 384 | DOUBLE PRECISION :: kinrhotresi ! threshold sulfuric acid for ion-induced kinetic nucleation |
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| 385 | DOUBLE PRECISION :: jnuc_i1 ! Ion-induced rate for n_i=1 cm-3 |
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| 386 | DOUBLE PRECISION :: xloss ! Ion loss rate |
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| 387 | DOUBLE PRECISION :: recomb ! Ion-ion recombination rate |
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[3534] | 388 | |
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[4762] | 389 | |
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[3534] | 390 | !--- 0) Initializations: |
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| 391 | |
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| 392 | kinetic_n=.FALSE. |
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| 393 | kinetic_i=.FALSE. |
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| 394 | jnuc_n=0.0 |
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| 395 | jnuc_i=0.0 |
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| 396 | ntot_n=0.0 |
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| 397 | ntot_i=0.0 |
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| 398 | na_n=0.0 |
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| 399 | na_i=0.0 |
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| 400 | rc_n=0.0 |
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| 401 | rc_i=0.0 |
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| 402 | x=0.0 |
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| 403 | x_n=0.0 |
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| 404 | x_i=0.0 |
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| 405 | satratln=satrat |
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| 406 | satratli=satrat |
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| 407 | rhoaln=rhoa |
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| 408 | rhoali=rhoa |
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| 409 | tln=t |
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| 410 | tli=t |
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| 411 | n_i=0.0 |
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| 412 | |
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| 413 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 414 | |
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| 415 | !Boundary values according to parameterization limits |
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| 416 | |
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| 417 | !Temperature bounds |
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| 418 | IF (t.LE.165.) THEN |
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| 419 | tln=165.0 |
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| 420 | ENDIF |
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| 421 | IF (t.LE.195.) THEN |
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| 422 | tli=195.0 |
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| 423 | ENDIF |
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| 424 | IF (t.GE.400.) THEN |
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| 425 | tln=400. |
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| 426 | tli=400. |
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| 427 | ENDIF |
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| 428 | |
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| 429 | ! Saturation ratio bounds |
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| 430 | IF (satrat.LT.1.E-7) THEN |
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| 431 | satratli=1.E-7 |
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| 432 | ENDIF |
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| 433 | IF (satrat.LT.1.E-5) THEN |
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| 434 | satratln=1.E-5 |
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| 435 | ENDIF |
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| 436 | IF (satrat.GT.0.95) THEN |
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| 437 | satratli=0.95 |
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| 438 | ENDIF |
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| 439 | IF (satrat.GT.1.0) THEN |
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| 440 | satratln=1.0 |
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| 441 | ENDIF |
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| 442 | |
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| 443 | ! Sulfuric acid concentration bounds |
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| 444 | IF (rhoa.LE.1.E4) THEN |
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| 445 | rhoaln=1.E4 |
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| 446 | rhoali=1.E4 |
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| 447 | ENDIF |
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| 448 | IF (rhoa.GT.1.E13) THEN |
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| 449 | rhoaln=1.E13 |
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| 450 | ENDIF |
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| 451 | IF (rhoa.GT.1.E16) THEN |
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| 452 | rhoali=1.E16 |
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| 453 | ENDIF |
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| 454 | |
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| 455 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 456 | |
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| 457 | !Critical cluster composition (valid for both cases, bounds not used here) |
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| 458 | x_n= 7.9036365428891719E-1 - 2.8414059650092153E-3*tln + 1.4976802556584141E-2*LOG(satratln) & |
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| 459 | & - 2.4511581740839115E-4*tln*LOG(satratln) + 3.4319869471066424E-3 *LOG(satratln)**2 & |
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| 460 | & - 2.8799393617748428E-5*tln*LOG(satratln)**2 + 3.0174314126331765E-4*LOG(satratln)**3 & |
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| 461 | & - 2.2673492408841294E-6*tln*LOG(satratln)**3 - 4.3948464567032377E-3*LOG(rhoaln) & |
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| 462 | & + 5.3305314722492146E-5*tln*LOG(rhoaln) |
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| 463 | x_i= 7.9036365428891719E-1 - 2.8414059650092153E-3*tli + 1.4976802556584141E-2*LOG(satratli) & |
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| 464 | & - 2.4511581740839115E-4*tli*LOG(satratli) + 3.4319869471066424E-3 *LOG(satratli)**2 & |
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| 465 | & - 2.8799393617748428E-5*tli*LOG(satratli)**2 + 3.0174314126331765E-4*LOG(satratli)**3 & |
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| 466 | & - 2.2673492408841294E-6*tli*LOG(satratli)**3 - 4.3948464567032377E-3*LOG(rhoali) & |
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| 467 | & + 5.3305314722492146E-5*tli*LOG(rhoali) |
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| 468 | |
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| 469 | x_n=MIN(MAX(x_n,1.E-30),1.) |
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| 470 | x_i=MIN(MAX(x_i,1.E-30),1.) |
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| 471 | |
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| 472 | !Neutral nucleation |
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| 473 | |
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| 474 | !Kinetic limit check |
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| 475 | IF (satratln .GE. 1.E-2 .AND. satratln .LE. 1.) THEN |
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| 476 | kinrhotresn=EXP(7.8920778706888086E+1 + 7.3665492897447082*satratln - 1.2420166571163805E+4/tln & |
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| 477 | & + (-6.1831234251470971E+2*satratln)/tln - 2.4501159970109945E-2*tln & |
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| 478 | & -1.3463066443605762E-2*satratln*tln + 8.3736373989909194E-06*tln**2 & |
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| 479 | & -1.4673887785408892*LOG(satratln) + (-3.2141890006517094E+1*LOG(satratln))/tln & |
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| 480 | & + 2.7137429081917556E-3*tln*LOG(satratln)) !1/cm3 |
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| 481 | IF (kinrhotresn.LT.rhoaln) kinetic_n=.TRUE. |
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| 482 | ENDIF |
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| 483 | |
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| 484 | IF (satratln .GE. 1.E-4 .AND. satratln .LT. 1.E-2) THEN |
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| 485 | kinrhotresn=EXP(7.9074383049843647E+1 - 2.8746005462158347E+1*satratln - 1.2070272068458380E+4/tln & |
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| 486 | & + (-5.9205040320056632E+3*satratln)/tln - 2.4800372593452726E-2*tln & |
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| 487 | & -4.3983007681295948E-2*satratln*tln + 2.5943854791342071E-5*tln**2 & |
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| 488 | & -2.3141363245211317*LOG(satratln) + (9.9186787997857735E+1*LOG(satratln))/tln & |
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| 489 | & + 5.6819382556144681E-3*tln*LOG(satratln)) !1/cm3 |
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| 490 | IF (kinrhotresn.LT.rhoaln) kinetic_n=.TRUE. |
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| 491 | ENDIF |
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| 492 | |
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| 493 | IF (satratln .GE. 5.E-6 .AND. satratln .LT. 1.E-4) THEN |
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| 494 | kinrhotresn=EXP(8.5599712000361677E+1 + 2.7335119660796581E+3*satratln - 1.1842350246291651E+4/tln & |
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| 495 | & + (-1.2439843468881438E+6*satratln)/tln - 5.4536964974944230E-2*tln & |
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| 496 | & + 5.0886987425326087*satratln*tln + 7.1964722655507067E-5*tln**2 & |
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| 497 | & -2.4472627526306372*LOG(satratln) + (1.7561478001423779E+2*LOG(satratln))/tln & |
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| 498 | & + 6.2640132818141811E-3*tln*LOG(satratln)) !1/cm3 |
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| 499 | IF (kinrhotresn.LT.rhoaln) kinetic_n=.TRUE. |
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| 500 | ENDIF |
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| 501 | |
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| 502 | IF (kinetic_n) THEN |
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| 503 | ! Dimer formation rate |
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| 504 | jnuc_n=1.E6*(2.*0.3E-9)**2.*SQRT(8.*RPI*RKBOL*(1./mH2SO4mol+1./mH2SO4mol))/2.*SQRT(t)*rhoa**2. |
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| 505 | ntot_n=1. !set to 1 |
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| 506 | na_n=1. ! The critical cluster contains one molecules but the produced cluster contains 2 molecules |
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| 507 | x_n=na_n/ntot_n ! so also set this to 1 |
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| 508 | rc_n=0.3E-9 |
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| 509 | ELSE |
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[3689] | 510 | jnuc_n= 2.1361182605986115E-1 + 3.3827029855551838*tln -3.2423555796175563E-2*tln**2 + & |
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| 511 | & 7.0120069477221989E-5*tln**3 +8.0286874752695141/x_n + & |
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[3690] | 512 | & (-2.6939840579762231E-1)*LOG(satratln) +1.6079879299099518*tln*LOG(satratln) + & |
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| 513 | & (-1.9667486968141933E-2)*tln**2*LOG(satratln) + & |
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[3689] | 514 | & 5.5244755979770844E-5*tln**3*LOG(satratln) + (7.8884704837892468*LOG(satratln))/x_n + & |
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| 515 | & 4.6374659198909596*LOG(satratln)**2 - 8.2002809894792153E-2*tln*LOG(satratln)**2 + & |
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| 516 | & 8.5077424451172196E-4*tln**2*LOG(satratln)**2 + & |
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[3690] | 517 | & (-2.6518510168987462E-6)*tln**3*LOG(satratln)**2 + & |
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[3689] | 518 | & (-1.4625482500575278*LOG(satratln)**2)/x_n - 5.2413002989192037E-1*LOG(satratln)**3 + & |
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| 519 | & 5.2755117653715865E-3*tln*LOG(satratln)**3 + & |
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[3690] | 520 | & (-2.9491061332113830E-6)*tln**2*LOG(satratln)**3 + & |
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| 521 | & (-2.4815454194486752E-8)*tln**3*LOG(satratln)**3 + & |
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[3689] | 522 | & (-5.2663760117394626E-2*LOG(satratln)**3)/x_n + & |
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| 523 | & 1.6496664658266762*LOG(rhoaln) + & |
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[3690] | 524 | & (-8.0809397859218401E-1)*tln*LOG(rhoaln) + & |
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[3689] | 525 | & 8.9302927091946642E-3*tln**2*LOG(rhoaln) + & |
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[3690] | 526 | & (-1.9583649496497497E-5)*tln**3*LOG(rhoaln) + & |
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[3689] | 527 | & (-8.9505572676891685*LOG(rhoaln))/x_n + & |
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[3690] | 528 | & (-3.0025283601622881E+1)*LOG(satratln)*LOG(rhoaln) + & |
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[3689] | 529 | & 3.0783365644763633E-1*tln*LOG(satratln)*LOG(rhoaln) + & |
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[3690] | 530 | & (-7.4521756337984706E-4)*tln**2*LOG(satratln)*LOG(rhoaln) + & |
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| 531 | & (-5.7651433870681853E-7)*tln**3*LOG(satratln)*LOG(rhoaln) + & |
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[3689] | 532 | & (1.2872868529673207*LOG(satratln)*LOG(rhoaln))/x_n + & |
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[3690] | 533 | & (-6.1739867501526535E-1)*LOG(satratln)**2*LOG(rhoaln) + & |
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[3689] | 534 | & 7.2347385705333975E-3*tln*LOG(satratln)**2*LOG(rhoaln) + & |
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[3690] | 535 | & (-3.0640494530822439E-5)*tln**2*LOG(satratln)**2*LOG(rhoaln) + & |
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[3689] | 536 | & 6.5944609194346214E-8*tln**3*LOG(satratln)**2*LOG(rhoaln) + & |
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| 537 | & (-2.8681650332461055E-2*LOG(satratln)**2*LOG(rhoaln))/x_n + & |
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| 538 | & 6.5213802375160306*LOG(rhoaln)**2 + & |
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[3690] | 539 | & (-4.7907162004793016E-2)*tln*LOG(rhoaln)**2 + & |
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| 540 | & (-1.0727890114215117E-4)*tln**2*LOG(rhoaln)**2 + & |
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[3689] | 541 | & 5.6401818280534507E-7*tln**3*LOG(rhoaln)**2 + & |
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| 542 | & (5.4113070888923009E-1*LOG(rhoaln)**2)/x_n + & |
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| 543 | & 5.2062808476476330E-1*LOG(satratln)*LOG(rhoaln)**2 + & |
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[3690] | 544 | & (-6.0696882500824584E-3)*tln*LOG(satratln)*LOG(rhoaln)**2 + & |
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[3689] | 545 | & 2.3851383302608477E-5*tln**2*LOG(satratln)*LOG(rhoaln)**2 + & |
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[3690] | 546 | & (-1.5243837103067096E-8)*tln**3*LOG(satratln)*LOG(rhoaln)**2 + & |
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[3689] | 547 | & (-5.6543192378015687E-2*LOG(satratln)*LOG(rhoaln)**2)/x_n + & |
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[3690] | 548 | & (-1.1630806410696815E-1)*LOG(rhoaln)**3 + & |
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[3689] | 549 | & 1.3806404273119610E-3*tln*LOG(rhoaln)**3 + & |
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[3690] | 550 | & (-2.0199865087650833E-6)*tln**2*LOG(rhoaln)**3 + & |
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| 551 | & (-3.0200284885763192E-9)*tln**3*LOG(rhoaln)**3 + & |
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[3534] | 552 | & (-6.9425267104126316E-3*LOG(rhoaln)**3)/x_n |
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| 553 | jnuc_n=EXP(jnuc_n) |
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| 554 | |
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[3690] | 555 | ntot_n =-3.5863435141979573E-3 - 1.0098670235841110E-1*tln + 8.9741268319259721E-4*tln**2 - 1.4855098605195757E-6*tln**3 & |
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| 556 | & - 1.2080330016937095E-1/x_n + 1.1902674923928015E-3*LOG(satratln) - 1.9211358507172177E-2*tln*LOG(satratln) + & |
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| 557 | & 2.4648094311204255E-4*tln**2*LOG(satratln) - 7.5641448594711666E-7*tln**3*LOG(satratln) + & |
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| 558 | & (-2.0668639384228818E-02*LOG(satratln))/x_n - 3.7593072011595188E-2*LOG(satratln)**2 + & |
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| 559 | & 9.0993182774415718E-4 *tln*LOG(satratln)**2 + & |
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| 560 | & (-9.5698412164297149E-6)*tln**2*LOG(satratln)**2 + 3.7163166416110421E-8*tln**3*LOG(satratln)**2 + & |
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| 561 | & (1.1026579525210847E-2*LOG(satratln)**2)/x_n + 1.1530844115561925E-2 *LOG(satratln)**3 + & |
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| 562 | & (-1.8083253906466668E-4)*tln*LOG(satratln)**3 + 8.0213604053330654E-7*tln**2*LOG(satratln)**3 + & |
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| 563 | & (-8.5797885383051337E-10)*tln**3*LOG(satratln)**3 + (1.0243693899717402E-3*LOG(satratln)**3)/x_n + & |
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| 564 | & (-1.7248695296299649E-2)*LOG(rhoaln) + 1.1294004162437157E-2*tln*LOG(rhoaln) + & |
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| 565 | & (-1.2283640163189278E-4)*tln**2*LOG(rhoaln) + 2.7391732258259009E-7*tln**3*LOG(rhoaln) + & |
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| 566 | & (6.8505583974029602E-2*LOG(rhoaln))/x_n +2.9750968179523635E-1*LOG(satratln)*LOG(rhoaln) + & |
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| 567 | & (-3.6681154503992296E-3)*tln*LOG(satratln)*LOG(rhoaln) + 1.0636473034653114E-5*tln**2*LOG(satratln)*LOG(rhoaln)+ & |
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| 568 | & 5.8687098466515866E-9*tln**3*LOG(satratln)*LOG(rhoaln) + (-5.2028866094191509E-3*LOG(satratln)*LOG(rhoaln))/x_n+ & |
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| 569 | & 7.6971988880587231E-4*LOG(satratln)**2*LOG(rhoaln) - 2.4605575820433763E-5*tln*LOG(satratln)**2*LOG(rhoaln) + & |
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| 570 | & 2.3818484400893008E-7*tln**2*LOG(satratln)**2*LOG(rhoaln) + & |
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| 571 | & (-8.8474102392445200E-10)*tln**3*LOG(satratln)**2*LOG(rhoaln) + & |
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| 572 | & (-1.6640566678168968E-4*LOG(satratln)**2*LOG(rhoaln))/x_n - 7.7390093776705471E-2*LOG(rhoaln)**2 + & |
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| 573 | & 5.8220163188828482E-4*tln*LOG(rhoaln)**2 + 1.2291679321523287E-6*tln**2*LOG(rhoaln)**2 + & |
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| 574 | & (-7.4690997508075749E-9)*tln**3*LOG(rhoaln)**2 + (-5.6357941220497648E-3*LOG(rhoaln)**2)/x_n + & |
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| 575 | & (-4.7170109625089768E-3)*LOG(satratln)*LOG(rhoaln)**2 + 6.9828868534370193E-5*tln*LOG(satratln)*LOG(rhoaln)**2 + & |
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| 576 | & (-3.1738912157036403E-7)*tln**2*LOG(satratln)*LOG(rhoaln)**2 + & |
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| 577 | & 2.3975538706787416E-10*tln**3*LOG(satratln)*LOG(rhoaln)**2 + & |
---|
| 578 | & (4.2304213386288567E-4*LOG(satratln)*LOG(rhoaln)**2)/x_n + 1.3696520973423231E-3*LOG(rhoaln)**3 + & |
---|
| 579 | & (-1.6863387574788199E-5)*tln*LOG(rhoaln)**3 + 2.7959499278844516E-8*tln**2*LOG(rhoaln)**3 + & |
---|
[3534] | 580 | & 3.9423927013227455E-11*tln**3*LOG(rhoaln)**3 + (8.6136359966337272E-5*LOG(rhoaln)**3)/x_n |
---|
| 581 | ntot_n=EXP(ntot_n) |
---|
| 582 | |
---|
| 583 | rc_n=EXP(-22.378268374023630+0.44462953606125100*x_n+0.33499495707849131*LOG(ntot_n)) !in meters |
---|
| 584 | |
---|
| 585 | na_n=x_n*ntot_n |
---|
| 586 | IF (na_n .LT. 1.) THEN |
---|
| 587 | na_n=1.0 |
---|
| 588 | ENDIF |
---|
| 589 | ENDIF |
---|
| 590 | |
---|
| 591 | ! Set the neutral nucleation rate to 0.0 if less than 1.0E-7 |
---|
| 592 | IF (jnuc_n.LT.1.E-7) THEN |
---|
| 593 | jnuc_n=0.0 |
---|
| 594 | ENDIF |
---|
| 595 | |
---|
| 596 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 597 | |
---|
| 598 | ! Ion-induced nucleation parameterization |
---|
| 599 | |
---|
| 600 | IF (ipr.GT.0.0) THEN ! if the ion production rate is above zero |
---|
| 601 | |
---|
| 602 | ! Calculate the ion induced nucleation rate wrt. concentration of 1 ion/cm3 |
---|
| 603 | |
---|
| 604 | kinrhotresi = 5.3742280876674478E1 - 6.6837931590012266E-3 *LOG(satratli)**(-2) & |
---|
| 605 | & - 1.0142598385422842E-01 * LOG(satratli)**(-1) - 6.4170597272606873E+00 * LOG(satratli) & |
---|
| 606 | & - 6.4315798914824518E-01 * LOG(satratli)**2 - 2.4428391714772721E-02 * LOG(satratli)**3 & |
---|
| 607 | & - 3.5356658734539019E-04 * LOG(satratli)**4 + 2.5400015099140506E-05 * tli * LOG(satratli)**(-2) & |
---|
| 608 | & - 2.7928900816637790E-04 * tli * LOG(satratli)**(-1) + 4.4108573484923690E-02 * tli * LOG(satratli) & |
---|
| 609 | & + 6.3943789012475532E-03 * tli * LOG(satratli)**(2) + 2.3164296174966580E-04 * tli * LOG(satratli)**(3) & |
---|
| 610 | & + 3.0372070669934950E-06 * tli * LOG(satratli)**4 + 3.8255873977423475E-06 * tli**2 * LOG(satratli)**(-1) & |
---|
| 611 | & - 1.2344793083561629E-04 * tli**2 * LOG(satratli) - 1.7959048869810192E-05 * tli**2 * LOG(satratli)**(2) & |
---|
| 612 | & - 3.2165622558722767E-07 * tli**2 * LOG(satratli)**3 - 4.7136923780988659E-09 * tli**3 * LOG(satratli)**(-1) & |
---|
| 613 | & + 1.1873317184482216E-07 * tli**3 * LOG(satratli) + 1.5685860354866621E-08 * tli**3 * LOG(satratli)**2 & |
---|
| 614 | & - 1.4329645891059557E+04 * tli**(-1) + 1.3842599842575321E-01 * tli & |
---|
| 615 | & - 4.1376265912842938E-04 * tli**(2) + 3.9147639775826004E-07 * tli**3 |
---|
| 616 | |
---|
| 617 | kinrhotresi=EXP(kinrhotresi) !1/cm3 |
---|
| 618 | |
---|
| 619 | IF (kinrhotresi.LT.rhoali) kinetic_i=.true. |
---|
| 620 | |
---|
| 621 | IF (kinetic_i) THEN |
---|
| 622 | jnuc_i1=1.0E6*(0.3E-9 + 0.487E-9)**2.*SQRT(8.*RPI*RKBOL*(1./mH2SO4mol+1./mH2SO4mol))* & |
---|
| 623 | & SQRT(tli)*rhoali !1/cm3s |
---|
| 624 | ntot_i=1. !set to 1 |
---|
| 625 | na_i=1. |
---|
| 626 | x_i=na_i/ntot_i ! so also set this to 1 |
---|
| 627 | rc_i=0.487E-9 |
---|
| 628 | ELSE |
---|
[3689] | 629 | jnuc_i1 = 3.0108954259038608E+01+tli*6.1176722090512577E+01+(tli**2)*8.7240333618891663E-01+(tli**3)* & |
---|
[3690] | 630 | & (-4.6191788649375719E-03)+(tli**(-1))*8.3537059107024481E-01 + & |
---|
[3689] | 631 | & (1.5028549216690628E+01+tli*(-1.9310989753720623E-01)+(tli**2)*8.0155514634860480E-04+(tli**3)* & |
---|
[3690] | 632 | & (-1.0832730707799128E-06)+(tli**(-1))*1.7577660457989019)*(LOG(satratli)**(-2)) + & |
---|
[3689] | 633 | & (-2.0487870170216488E-01 + tli * 1.3263949252910405E-03 + (tli**2) *(-8.4195688402450274E-06) + & |
---|
| 634 | & (tli**3)*1.6154895940993287E-08 + (tli**(-1))*3.8734212545203874E+01) * (LOG(satratli)**(-2)*LOG(rhoali)) + & |
---|
| 635 | & (1.4955918863858371 + tli * 9.2290004245522454E+01 + (tli**2) *(-8.9006965195392618E-01) + & |
---|
| 636 | & (tli**3) * 2.2319123411013099E-03 + (tli**(-1)) * 4.0180079996840852E-03) * & |
---|
| 637 | & (LOG(satratli)**(-1) * LOG(rhoali)**(-1)) + & |
---|
| 638 | & (7.9018031228561085 + tli *(-1.1649433968658949E+01) + (tli**2) * 1.1400827854910951E-01 + & |
---|
| 639 | & (tli**3) *(-3.1941526492127755E-04) + (tli**(-1)) *(-3.7662115740271446E-01)) * (LOG(satratli)**(-1)) + & |
---|
| 640 | & (1.5725237111225979E+02 + tli *(-1.0051649979836277) + (tli**2) * 1.1866484014507624E-03 + & |
---|
| 641 | & (tli**3) * 7.3557614998540389E-06 + (tli**(-1)) * 2.6270197023115189) * (LOG(satratli)**(-1) * LOG(rhoali)) + & |
---|
| 642 | & (-1.6973840122470968E+01 + tli * 1.1258423691432135E-01 + (tli**2) *(-2.9850139351463793E-04) + (tli**3) * & |
---|
| 643 | & 1.4301286324827064E-07 + (tli**(-1)) * 1.3163389235253725E+01) * (LOG(satratli)**(-1) * LOG(rhoali)**2) + & |
---|
| 644 | & (-1.0399591631839757 + tli * 2.7022055588257691E-03 + (tli**2) *(-2.1507467231330936E-06) + (tli**3) * & |
---|
| 645 | & 3.8059489037584171E-10 + (tli**(-1)) * 1.5000492788553410E+02) * (LOG(satratli)**(-1) * LOG(rhoali)**3) + & |
---|
| 646 | & (1.2250990965305315 + tli * 3.0495946490079444E+01 + (tli**2) * 2.1051563135187106E+01 + (tli**3) * & |
---|
[3690] | 647 | & (-8.2200682916580878E-02) + (tli**(-1)) * 2.9965871386685029E-02) * (LOG(rhoali)**(-2)) + & |
---|
[3689] | 648 | & (4.8281605955680433 + tli * 1.7346551710836445E+02 + (tli**2) *(-1.0113602140796010E+01) + (tli**3) * & |
---|
| 649 | & 3.7482518458685089E-02 + (tli**(-1)) *(-1.4449998158558205E-01)) * (LOG(rhoali)**(-1)) + & |
---|
| 650 | & (2.3399230964451237E+02 + tli *(-2.3099267235261948E+01) + (tli**2) * 8.0122962140916354E-02 + & |
---|
| 651 | & (tli**3) * 6.1542576994557088E-05 + (tli**(-1)) * 5.3718413254843007) * (LOG(rhoali)) + & |
---|
| 652 | & (1.0299715519499360E+02 + tli *(-6.4663357203364136E-02) + (tli**2) *(-2.0487150565050316E-03) + & |
---|
| 653 | & (tli**3) * 8.7935289055530897E-07 + (tli**(-1)) * 3.6013204601215229E+01) * (LOG(rhoali)**2) + & |
---|
| 654 | & (-3.5452115439584042 + tli * 1.7083445731159330E-02 + (tli**2) *(-1.2552625290862626E-05) + (tli**3) * & |
---|
| 655 | & 1.2968447449182847E-09 + (tli**(-1)) * 1.5748687512056560E+02) * (LOG(rhoali)**3) + & |
---|
| 656 | & (2.2338490119517975 + tli * 1.0229410216045540E+02 + (tli**2) *(-3.2103611955174052) + (tli**3) * & |
---|
| 657 | & 1.3397152304977591E-02 + (tli**(-1)) *(-2.4155187776460030E-02)) * (LOG(satratli)* LOG(rhoali)**(-2)) + & |
---|
| 658 | & (3.7592282990713963 + tli *(-1.5257988769009816E+02) + (tli**2) * 2.6113805420558802 + (tli**3) * & |
---|
[3690] | 659 | & (-9.0380721653694363E-03) + (tli**(-1)) *(-1.3974197138171082E-01)) * (LOG(satratli)* LOG(rhoali)**(-1)) + & |
---|
[3689] | 660 | & (1.8293600730573988E+01 + tli * 1.8344728606002992E+01 + (tli**2) *(-4.0063363221106751E-01) + (tli**3) & |
---|
| 661 | & * 1.4842749371258522E-03 + (tli**(-1)) * 1.1848846003282287) * (LOG(satratli)) + & |
---|
| 662 | & (-1.7634531623032314E+02 + tli * 4.9011762441271278 + (tli**2) *(-1.3195821562746339E-02) + (tli**3) * & |
---|
[3690] | 663 | & (-2.8668619526430859E-05) + (tli**(-1)) *(-2.9823396976393551E-01)) * (LOG(satratli)* LOG(rhoali)) + & |
---|
[3689] | 664 | & (-3.2944043694275727E+01 + tli * 1.2517571921051887E-01 + (tli**2) * 8.3239769771186714E-05 + (tli**3) * & |
---|
| 665 | & 2.8191859341519507E-07 + (tli**(-1)) *(-2.7352880736682319E+01)) * (LOG(satratli)* LOG(rhoali)**2) + & |
---|
| 666 | & (-1.1451811137553243 + tli * 2.0625997485732494E-03 + (tli**2) *(-3.4225389469233624E-06) + (tli**3) * & |
---|
| 667 | & 4.4437613496984567E-10 + (tli**(-1)) * 1.8666644332606754E+02) * (LOG(satratli)* LOG(rhoali)**3) + & |
---|
| 668 | & (3.2270897099493567E+01 + tli * 7.7898447327513687E-01 + (tli**2) *(-6.5662738484679626E-03) + (tli**3) * & |
---|
| 669 | & 3.7899330796456790E-06 + (tli**(-1)) * 7.1106427501756542E-01) * (LOG(satratli)**2 * LOG(rhoali)**(-1)) + & |
---|
| 670 | & (-2.8901906781697811E+01 + tli *(-1.5356398793054860) + (tli**2) * 1.9267271774384788E-02 + (tli**3) * & |
---|
[3690] | 671 | & (-5.3886270475516162E-05) + (tli**(-1)) * 5.0490415975693426E-01) * (LOG(satratli)**2) + & |
---|
[3689] | 672 | & (3.3365683645733924E+01 + tli *(-3.6114561564894537E-01) + (tli**2) * 9.2977354471929262E-04 + (tli**3) * & |
---|
| 673 | & 1.9549769069511355E-07 + (tli**(-1)) *(-8.8865930095112855)) * (LOG(satratli)**2 * LOG(rhoali)) + & |
---|
| 674 | & (2.4592563042806375 + tli *(-8.3227071743101084E-03) + (tli**2) * 8.2563338043447783E-06 + (tli**3) * & |
---|
[3690] | 675 | & (-8.4374976698593496E-09) + (tli**(-1)) *(-2.0938173949893473E+02)) * (LOG(satratli)**2 * LOG(rhoali)**2) + & |
---|
[3689] | 676 | & (4.4099823444352317E+01 + tli * 2.5915665826835252 + (tli**2) *(-1.6449091819482634E-02) + (tli**3) * & |
---|
[3534] | 677 | & 2.6797249816144721E-05 + (tli**(-1)) * 5.5045672663909995E-01)* satratli |
---|
| 678 | jnuc_i1=EXP(jnuc_i1) |
---|
| 679 | |
---|
[3689] | 680 | ntot_i = ABS((-4.8324296064013375E+04 + tli * 5.0469120697428906E+02 + (tli**2) *(-1.1528940488496042E+00) + & |
---|
| 681 | & (tli**(-1)) *(-8.6892744676239192E+02) + (tli**(3)) * 4.0030302028120469E-04) + & |
---|
| 682 | & (-6.7259105232039847E+03 + tli * 1.9197488157452008E+02 + (tli**2) *(-1.3602976930126354E+00) + & |
---|
| 683 | & (tli**(-1)) *(-1.1212637938360332E+02) + (tli**(3)) * 2.8515597265933207E-03) * & |
---|
| 684 | & LOG(satratli)**(-2) * LOG(rhoali)**(-2) + & |
---|
| 685 | & (2.6216455217763342E+02 + tli *(-2.3687553252750821E+00) + (tli**2) * 7.4074554767517521E-03 + & |
---|
| 686 | & (tli**(-1)) *(-1.9213956820114927E+03) + (tli**(3)) *(-9.3839114856129453E-06)) * LOG(satratli)**(-2) + & |
---|
| 687 | & (3.9652478944137344E+00 + tli * 1.2469375098256536E-02 + (tli**2) *(-9.9837754694045633E-05) + (tli**(-1)) * & |
---|
[3690] | 688 | & (-5.1919499210175138E+02) + (tli**(3)) * 1.6489001324583862E-07) * LOG(satratli)**(-2) * LOG(rhoali) + & |
---|
[3689] | 689 | & (2.4975714429096206E+02 + tli * 1.7107594562445172E+02 + (tli**2) *(-7.8988711365135289E-01) + (tli**(-1)) * & |
---|
[3690] | 690 | & (-2.2243599782483177E+01) + (tli**(3)) *(-1.6291523004095427E-04)) * LOG(satratli)**(-1) * LOG(rhoali)**(-2) +& |
---|
[3689] | 691 | & (-8.9270715592533611E+02 + tli * 1.2053538883338946E+02 + (tli**2) *(-1.5490408828541018E+00) + (tli**(-1)) * & |
---|
[3690] | 692 | & (-1.1243275579419826E+01) + (tli**(3)) * 4.8053105606904655E-03) * LOG(satratli)**(-1) * LOG(rhoali)**(-1) + & |
---|
[3689] | 693 | & (7.6426441642091631E+03 + tli *(-7.1785462414656578E+01) + (tli**2) * 2.3851864923199523E-01 + (tli**(-1)) * & |
---|
| 694 | & 8.5591775688708395E+01 + (tli**(3)) *(-3.7000473243342858E-04)) * LOG(satratli)**(-1) + & |
---|
| 695 | & (-5.1516826398607911E+01 + tli * 9.1385720811460558E-01 + (tli**2) *(-3.5477100262158974E-03) + & |
---|
[3534] | 696 | & (tli**(-1)) * 2.7545544507625586E+03 + (tli**(3)) * 5.4708262093640928E-06) * LOG(satratli)**(-1) * LOG(rhoali) + & |
---|
[3689] | 697 | & (-3.0386767129196176E+02 + tli *(-1.1033438883583569E+04) + (tli**2) * 8.1296859732896067E+01 + (tli**(-1)) * & |
---|
| 698 | & 1.2625883141097162E+01 + (tli**(3)) *(-1.2728497822219101E-01)) * LOG(rhoali)**(-2) + & |
---|
| 699 | & (-3.3763494256461472E+03 + tli * 3.1916579136391006E+03 + (tli**2) *(-2.7234339474441143E+01) + (tli**(-1)) * & |
---|
[3690] | 700 | & (-2.1897653262707397E+01) + (tli**(3)) * 5.1788505812259071E-02) * LOG(rhoali)**(-1) + & |
---|
[3689] | 701 | & (-1.8817843873687068E+03 + tli * 4.3038072285882070E+00 + (tli**2) * 6.6244087689671860E-03 + (tli**(-1)) * & |
---|
[3690] | 702 | & (-2.7133073605696295E+03) + (tli**(3)) *(-1.7951557394285043E-05)) * LOG(rhoali) + & |
---|
[3689] | 703 | & (-1.7668827539244447E+02 + tli * 4.8160932330629913E-01 + (tli**2) *(-6.3133007671100293E-04) + (tli**(-1)) * & |
---|
| 704 | & 2.5631774669873157E+04 + (tli**(3)) * 4.1534484127873519E-07) * LOG(rhoali)**(2) + & |
---|
| 705 | & (-1.6661835889222382E+03 + tli * 1.3708900504682877E+03 + (tli**2) *(-1.7919060052198969E+01) + (tli**(-1)) * & |
---|
[3690] | 706 | & (-3.5145029804436405E+01) + (tli**(3)) * 5.1047240947371224E-02) * LOG(satratli)* LOG(rhoali)**(-2) + & |
---|
[3689] | 707 | & (1.0843549363030939E+04 + tli *(-7.3557073636139577E+01) + (tli**2) * 1.2054625131778862E+00 + (tli**(-1)) * & |
---|
| 708 | & 1.9358737917864391E+02 + (tli**(3)) *(-4.2871620775911338E-03)) * LOG(satratli)* LOG(rhoali)**(-1) + & |
---|
| 709 | & (-2.4269802549752835E+03 + tli * 1.1348265061941714E+01 + (tli**2) *(-5.0430423939495157E-02) + (tli**(-1)) * & |
---|
| 710 | & 2.3709874548950634E+03 + (tli**(3)) * 1.4091851828620244E-04) * LOG(satratli) + & |
---|
| 711 | & (5.2745372575251588E+02 + tli *(-2.6080675912627314E+00) + (tli**2) * 5.6902218056670145E-03 + (tli**(-1)) * & |
---|
[3690] | 712 | & (-3.2149319482897838E+04) + (tli**(3)) *(-5.4121996056745853E-06)) * LOG(satratli)* LOG(rhoali) + & |
---|
[3689] | 713 | & (-1.6401959518360403E+01 + tli * 2.4322962162439640E-01 + (tli**2) * 1.1744366627725344E-03 + (tli**(-1)) * & |
---|
[3690] | 714 | & (-8.2694427518413195E+03) + (tli**(3)) *(-5.0028379203873102E-06))* LOG(satratli)**(2) + & |
---|
[3689] | 715 | & (-2.7556572017167782E+03 + tli * 4.9293344495058264E+01 + (tli**2) *(-2.6503456520676050E-01) + (tli**(-1)) * & |
---|
| 716 | & 1.2130698030982167E+03 + (tli**(3)) * 4.3530610668042957E-04)* LOG(satratli)**2 * LOG(rhoali)**(-1) + & |
---|
| 717 | & (-6.3419182228959192E+00 + tli * 4.0636212834605827E-02 + (tli**2) *(-1.0450112687842742E-04) + (tli**(-1)) * & |
---|
| 718 | & 3.1035882189759656E+02 + (tli**(3)) * 9.4328418657873500E-08)* LOG(satratli)**(-3) + & |
---|
| 719 | & (3.0189213304689042E+03 + tli *(-2.3804654203861684E+01) + (tli**2) * 6.8113013411972942E-02 + (tli**(-1)) * & |
---|
| 720 | & 6.3112071081188913E+02 + (tli**(3)) *(-9.4460854261685723E-05))* (satratli) * LOG(rhoali) + & |
---|
| 721 | & (1.1924791930673702E+04 + tli *(-1.1973824959206000E+02) + (tli**2) * 1.6888713097971020E-01 + (tli**(-1)) * & |
---|
| 722 | & 1.8735938211539585E+02 + (tli**(3)) * 5.0974564680442852E-04)* (satratli) + & |
---|
| 723 | & (3.6409071302482083E+01 + tli * 1.7919859306449623E-01 + (tli**2) *(-1.0020116255895206E-03) + (tli**(-1)) * & |
---|
[3690] | 724 | & (-8.3521083354432303E+03) + (tli**(3)) * 1.5879900546795635E-06)* satratli * LOG(rhoali)**(2)) |
---|
[3534] | 725 | |
---|
[3689] | 726 | rc_i = (-3.6318550637865524E-08 + tli * 2.1740704135789128E-09 + (tli**2) * & |
---|
[3690] | 727 | & (-8.5521429066506161E-12) + (tli**3) *(-9.3538647454573390E-15)) + & |
---|
[3689] | 728 | & (2.1366936839394922E-08 + tli *(-2.4087168827395623E-10) + (tli**2) * 8.7969869277074319E-13 + & |
---|
| 729 | & (tli**3) *(-1.0294466881303291E-15))* LOG(satratli)**(-2) * LOG(rhoali)**(-1) + & |
---|
| 730 | & (-7.7804007761164303E-10 + tli * 1.0327058173517932E-11 + (tli**2) *(-4.2557697639692428E-14) + & |
---|
[3534] | 731 | & (tli**3) * 5.4082507061618662E-17)* LOG(satratli)**(-2) + & |
---|
[3689] | 732 | & (3.2628927397420860E-12 + tli *(-7.6475692919751066E-14) + (tli**2) * 4.1985816845259788E-16 + & |
---|
| 733 | & (tli**3) *(-6.2281395889592719E-19))* LOG(satratli)**(-2) * LOG(rhoali) + & |
---|
| 734 | & (2.0442205540818555E-09 + tli * 4.0441858911249830E-08 + (tli**2) *(-3.3423487629482825E-10) + & |
---|
[3534] | 735 | & (tli**3) * 6.8000404742985678E-13)* LOG(satratli)**(-1) * LOG(rhoali)**(-2) + & |
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[3689] | 736 | & (1.8381489183824627E-08 + tli *(-8.9853322951518919E-09) + (tli**2) * 7.5888799566036185E-11 + & |
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| 737 | & (tli**3) *(-1.5823457864755549E-13))* LOG(satratli)**(-1) * LOG(rhoali)**(-1) + & |
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| 738 | & (1.1795760639695057E-07 + tli *(-8.1046722896375875E-10) + (tli**2) * 9.1868604369041857E-14 + & |
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[3534] | 739 | & (tli**3) * 4.7882428237444610E-15)* LOG(satratli)**(-1) + & |
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[3689] | 740 | & (-4.4028846582545952E-09 + tli * 4.6541269232626618E-11 + (tli**2) *(-1.1939929984285194E-13) + & |
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[3534] | 741 | & (tli**3) * 2.3602037016614437E-17)* LOG(satratli)**(-1) * LOG(rhoali) + & |
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[3689] | 742 | & (2.7885056884209128E-11 + tli *(-4.5167129624119121E-13) + (tli**2) * 1.6558404997394422E-15 + & |
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| 743 | & (tli**3) *(-1.2037336621218054E-18))* LOG(satratli)**(-1) * LOG(rhoali)**2 + & |
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| 744 | & (-2.3719627171699983E-09 + tli *(-1.5260127909292053E-07) + (tli**2) * 1.7177017944754134E-09 + & |
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| 745 | & (tli**3) *(-4.7031737537526395E-12))* LOG(rhoali)**(-2) + & |
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| 746 | & (-5.6946433724699646E-09 + tli * 8.4629788237081735E-09 + (tli**2) *(-1.7674135187061521E-10) + & |
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[3534] | 747 | & (tli**3) * 6.6236547903091862E-13)* LOG(rhoali)**(-1) + & |
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[3689] | 748 | & (-2.2808617930606012E-08 + tli * 1.4773376696847775E-10 + (tli**2) *(-1.3076953119957355E-13) + & |
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[3534] | 749 | & (tli**3) * 2.3625301497914000E-16)* LOG(rhoali) + & |
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[3689] | 750 | & (1.4014269939947841E-10 + tli *(-2.3675117757377632E-12) + (tli**2) * 5.1514033966707879E-15 + & |
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| 751 | & (tli**3) *(-4.8864233454747856E-18))* LOG(rhoali)**2 + & |
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| 752 | & (6.5464943868885886E-11 + tli * 1.6494354816942769E-08 + (tli**2) *(-1.7480097393483653E-10) + & |
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[3534] | 753 | & (tli**3) * 4.7460075628523984E-13)* LOG(satratli)* LOG(rhoali)**(-2) + & |
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[3689] | 754 | & (8.4737893183927871E-09 + tli *(-6.0243327445597118E-09) + (tli**2) * 5.8766070529814883E-11 + & |
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| 755 | & (tli**3) *(-1.4926748560042018E-13))* LOG(satratli)* LOG(rhoali)**(-1) + & |
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| 756 | & (1.0761964135701397E-07 + tli *(-1.0142496009071148E-09) + (tli**2) * 2.1337312466519190E-12 + & |
---|
[3534] | 757 | & (tli**3) * 1.6376014957685404E-15)* LOG(satratli) + & |
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[3689] | 758 | & (-3.5621571395968670E-09 + tli * 4.1175339587760905E-11 + (tli**2) *(-1.3535372357998504E-13) + & |
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[3534] | 759 | & (tli**3) * 8.9334219536920720E-17)* LOG(satratli)* LOG(rhoali) + & |
---|
[3689] | 760 | & (2.0700482083136289E-11 + tli *(-3.9238944562717421E-13) + (tli**2) * 1.5850961422040196E-15 + & |
---|
| 761 | & (tli**3) *(-1.5336775610911665E-18))* LOG(satratli)* LOG(rhoali)**2 + & |
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| 762 | & (1.8524255464416206E-09 + tli *(-2.1959816152743264E-11) + (tli**2) *(-6.4478119501677012E-14) + & |
---|
[3534] | 763 | & (tli**3) * 5.5135243833766056E-16)* LOG(satratli)**2 * LOG(rhoali)**(-1) + & |
---|
[3689] | 764 | & (1.9349488650922679E-09 + tli *(-2.2647295919976428E-11) + (tli**2) * 9.2917479748268751E-14 + & |
---|
| 765 | & (tli**3) *(-1.2741959892173170E-16))* LOG(satratli)**2 + & |
---|
| 766 | & (2.1484978031650972E-11 + tli *(-9.3976642475838013E-14) + (tli**2) *(-4.8892738002751923E-16) + & |
---|
[3534] | 767 | & (tli**3) * 1.4676120441783832E-18)* LOG(satratli)**2 * LOG(rhoali) + & |
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[3689] | 768 | & (6.7565715216420310E-13 + tli *(-3.5421162549480807E-15) + (tli**2) *(-3.4201196868693569E-18) + & |
---|
[3534] | 769 | & (tli**3) * 2.2260187650412392E-20)* LOG(satratli)**3 * LOG(rhoali) |
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| 770 | |
---|
| 771 | na_i=x_i*ntot_i |
---|
| 772 | IF (na_i .LT. 1.) THEN |
---|
| 773 | na_n=1.0 |
---|
| 774 | ENDIF |
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| 775 | ENDIF |
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| 776 | |
---|
| 777 | jnuc_i=jnuc_i1 |
---|
| 778 | ! Ion loss rate (1/s) |
---|
| 779 | xloss=csi+jnuc_i |
---|
| 780 | |
---|
| 781 | ! Recombination (here following Brasseur and Chatel, 1983) |
---|
| 782 | recomb=6.0E-8*SQRT(300./tli)+6.0E-26*airn*(300./tli)**4 |
---|
| 783 | |
---|
| 784 | ! Small ion concentration in air (1/cm3) (following Dunne et al., 2016) |
---|
| 785 | ! max function is to avoid n_i to go practically zero at very high J_ion |
---|
| 786 | n_i=MAX(0.01,(SQRT(xloss**2.0+4.0*recomb*ipr)-xloss)/(2.0*recomb)) |
---|
| 787 | |
---|
| 788 | ! Ion-induced nucleation rate |
---|
| 789 | ! Min function is to ensure that max function above does not cause J_ion to overshoot |
---|
| 790 | jnuc_i=MIN(ipr,n_i*jnuc_i1) |
---|
| 791 | ! Set the ion-induced nucleation rate to 0.0 if less than 1.0E-7 |
---|
| 792 | IF (jnuc_i.LT.1.E-7) THEN |
---|
| 793 | jnuc_i=0.0 |
---|
| 794 | ENDIF |
---|
| 795 | |
---|
| 796 | ENDIF |
---|
[3536] | 797 | |
---|
| 798 | !--conversion from double precision to float in case the model is run in single precision |
---|
| 799 | jnuc_n_real = jnuc_n |
---|
| 800 | ntot_n_real = ntot_n |
---|
| 801 | jnuc_i_real = jnuc_i |
---|
| 802 | ntot_i_real = ntot_i |
---|
| 803 | x_n_real = x_n |
---|
| 804 | x_i_real = x_i |
---|
| 805 | na_n_real = na_n |
---|
| 806 | na_i_real = na_i |
---|
| 807 | rc_n_real = rc_n |
---|
| 808 | rc_i_real = rc_i |
---|
| 809 | n_i_real = n_i |
---|
[3534] | 810 | |
---|
| 811 | END SUBROUTINE newbinapara |
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| 812 | |
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[2690] | 813 | END MODULE nucleation_tstep_mod |
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