| 1 | subroutine moldiffcoeff_red(dij,indic,gcmind,ncompdiff2) |
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| 2 | |
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| 3 | use tracer_mod, only: nqmx, noms, mmol |
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| 4 | IMPLICIT NONE |
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| 5 | c======================================================================= |
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| 6 | c subject: |
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| 7 | c -------- |
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| 8 | c Computing molecular diffusion coefficients |
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| 9 | c following Nair 94 (pg 131) |
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| 10 | c author: MAC 2002 |
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| 11 | c ------ |
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| 12 | c |
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| 13 | c======================================================================= |
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| 14 | #include "callkeys.h" |
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| 15 | #include "diffusion.h" |
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| 16 | |
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| 17 | c----------------------------------------------------------------------- |
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| 18 | c Input/Output |
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| 19 | c ------------ |
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| 20 | c integer,parameter :: ncompmoldiff = 12 |
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| 21 | integer ncompdiff2 |
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| 22 | integer gcmind(ncompdiff2) |
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| 23 | real dij(ncompdiff2,ncompdiff2) |
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| 24 | integer indic(nqmx) |
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| 25 | |
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| 26 | c Local variables: |
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| 27 | c --------------- |
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| 28 | INTEGER nq, n, nn, i,iq |
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| 29 | cccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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| 30 | c tracer numbering in the molecular diffusion |
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| 31 | cccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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| 32 | |
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| 33 | real :: dijh2co,dijh2n2,dijh2co2,dijh2o2,dijho,dijref |
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| 34 | ! integer :: i_h2,i_h,i_o |
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| 35 | integer :: g_h2,g_h,g_o |
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| 36 | ! integer,parameter :: i_o = 1 |
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| 37 | ! integer,parameter :: i_n2 = 2 |
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| 38 | ! integer,parameter :: i_co = 3 |
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| 39 | ! integer,parameter :: i_ar = 4 |
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| 40 | ! integer,parameter :: i_h2 = 5 |
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| 41 | ! integer,parameter :: i_h = 6 |
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| 42 | ! integer,parameter :: i_o2 = 7 |
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| 43 | ! integer,parameter :: i_oh = 8 |
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| 44 | ! integer,parameter :: i_ho2 = 9 |
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| 45 | ! integer,parameter :: i_h2o = 10 |
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| 46 | ! integer,parameter :: i_h2o2 = 11 |
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| 47 | ! integer,parameter :: i_o1d = 12 |
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| 48 | ! integer,parameter :: i_o3 = 13 |
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| 49 | ! integer,parameter :: i_n = 13 |
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| 50 | ! integer,parameter :: i_no = 14 |
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| 51 | ! integer,parameter :: i_no2 = 15 |
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| 52 | ! integer,parameter :: i_n2d = 17 |
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| 53 | ! integer,parameter :: i_oplus = 18 |
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| 54 | ! integer,parameter :: i_co2 = 16 |
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| 55 | ! integer,parameter :: i_oplus = 17 |
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| 56 | ! integer,parameter :: i_hplus = 18 |
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| 57 | |
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| 58 | ! Tracer indexes in the GCM: |
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| 59 | ! integer,save :: g_co2=0 |
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| 60 | ! integer,save :: g_co=0 |
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| 61 | ! integer,save :: g_o=0 |
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| 62 | ! integer,save :: g_o1d=0 |
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| 63 | ! integer,save :: g_o2=0 |
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| 64 | ! integer,save :: g_o3=0 |
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| 65 | ! integer,save :: g_h=0 |
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| 66 | ! integer,save :: g_h2=0 |
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| 67 | ! integer,save :: g_oh=0 |
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| 68 | ! integer,save :: g_ho2=0 |
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| 69 | ! integer,save :: g_h2o2=0 |
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| 70 | ! integer,save :: g_n2=0 |
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| 71 | ! integer,save :: g_ar=0 |
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| 72 | ! integer,save :: g_h2o=0 |
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| 73 | ! integer,save :: g_n=0 |
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| 74 | ! integer,save :: g_no=0 |
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| 75 | ! integer,save :: g_no2=0 |
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| 76 | ! integer,save :: g_n2d=0 |
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| 77 | ! integer,save :: g_oplus=0 |
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| 78 | ! integer,save :: g_hplus=0 |
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| 79 | |
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| 80 | ! integer,save :: gcmind(ncompdiff) |
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| 81 | |
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| 82 | real dnh |
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| 83 | logical,save :: firstcall=.true. |
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| 84 | |
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| 85 | !$OMP THREADPRIVATE(firstcall) |
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| 86 | |
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| 87 | logical,parameter :: outputcoeffs=.false. ! to output 'coeffs.dat' file, |
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| 88 | ! set outputcoeffs=.true. |
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| 89 | |
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| 90 | ! Initializations at first call (and some sanity checks) |
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| 91 | if (firstcall) then |
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| 92 | ! identify the indexes of the tracers we'll need |
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| 93 | ! g_co2=igcm_co2 |
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| 94 | ! if (g_co2.eq.0) then |
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| 95 | ! write(*,*) "moldiffcoeff: Error; no CO2 tracer !!!" |
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| 96 | ! stop |
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| 97 | ! endif |
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| 98 | ! g_n2=igcm_n2 |
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| 99 | ! if (g_n2.eq.0) then |
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| 100 | ! write(*,*) "moldiffcoeff: Error; no N2 tracer !!!" |
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| 101 | ! stop |
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| 102 | ! endif |
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| 103 | ! g_ar=igcm_ar |
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| 104 | ! if (g_ar.eq.0) then |
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| 105 | ! write(*,*) "moldiffcoeff: Error; no Ar tracer !!!" |
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| 106 | ! stop |
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| 107 | ! endif |
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| 108 | ! g_h2=igcm_h2 |
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| 109 | ! if (g_h2.eq.0) then |
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| 110 | ! write(*,*) "moldiffcoeff: Error; no H2 tracer !!!" |
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| 111 | ! stop |
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| 112 | ! endif |
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| 113 | ! g_h=igcm_h |
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| 114 | ! if (g_h.eq.0) then |
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| 115 | ! write(*,*) "moldiffcoeff: Error; no H tracer !!!" |
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| 116 | ! stop |
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| 117 | ! endif |
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| 118 | ! g_co=igcm_co |
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| 119 | ! if (g_co.eq.0) then |
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| 120 | ! write(*,*) "moldiffcoeff: Error; no CO tracer !!!" |
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| 121 | ! stop |
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| 122 | ! endif |
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| 123 | ! g_o2=igcm_o2 |
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| 124 | ! if (g_o2.eq.0) then |
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| 125 | ! write(*,*) "moldiffcoeff: Error; no O2 tracer !!!" |
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| 126 | ! stop |
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| 127 | ! endif |
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| 128 | ! g_oh=igcm_oh |
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| 129 | ! if (g_oh.eq.0) then |
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| 130 | ! write(*,*) "moldiffcoeff: Error; no OH tracer !!!" |
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| 131 | ! stop |
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| 132 | ! endif |
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| 133 | ! g_ho2=igcm_ho2 |
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| 134 | ! if (g_ho2.eq.0) then |
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| 135 | ! write(*,*) "moldiffcoeff: Error; no HO2 tracer !!!" |
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| 136 | ! stop |
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| 137 | ! endif |
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| 138 | ! g_h2o=igcm_h2o_vap |
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| 139 | ! if (g_h2o.eq.0) then |
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| 140 | ! write(*,*) "moldiffcoeff: Error; no H2O tracer !!!" |
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| 141 | ! stop |
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| 142 | ! endif |
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| 143 | ! g_h2o2=igcm_h2o2 |
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| 144 | ! if (g_h2o2.eq.0) then |
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| 145 | ! write(*,*) "moldiffcoeff: Error; no H2O2 tracer !!!" |
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| 146 | ! stop |
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| 147 | ! endif |
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| 148 | ! g_o1d=igcm_o1d |
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| 149 | ! if (g_h.eq.0) then |
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| 150 | ! write(*,*) "moldiffcoeff: Error; no O1d tracer !!!" |
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| 151 | ! stop |
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| 152 | ! endif |
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| 153 | ! g_o3=igcm_o3 |
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| 154 | ! if (g_o3.eq.0) then |
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| 155 | ! write(*,*) "moldiffcoeff: Error; no O3 tracer !!!" |
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| 156 | ! stop |
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| 157 | ! endif |
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| 158 | ! g_n=igcm_n |
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| 159 | ! if (g_n.eq.0) then |
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| 160 | ! write(*,*) "moldiffcoeff: Error; no N tracer !!!" |
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| 161 | ! stop |
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| 162 | ! endif |
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| 163 | ! g_no=igcm_no |
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| 164 | ! if (g_no.eq.0) then |
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| 165 | ! write(*,*) "moldiffcoeff: Error; no NO tracer !!!" |
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| 166 | ! stop |
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| 167 | ! endif |
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| 168 | ! g_no2=igcm_no2 |
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| 169 | ! if (g_no2.eq.0) then |
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| 170 | ! write(*,*) "moldiffcoeff: Error; no NO2 tracer !!!" |
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| 171 | ! stop |
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| 172 | ! endif |
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| 173 | ! g_n2d=igcm_n2d |
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| 174 | ! if (g_n2d.eq.0) then |
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| 175 | ! write(*,*) "moldiffcoeff: Error; no N2(D) tracer !!!" |
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| 176 | ! stop |
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| 177 | ! endif |
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| 178 | ! g_oplus=igcm_oplus |
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| 179 | ! if (g_oplus .eq. 0) then |
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| 180 | ! write(*,*) "moldiffcoeff: Error; no Oplus tracer !!!" |
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| 181 | ! stop |
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| 182 | ! endif |
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| 183 | ! g_hplus=igcm_hplus |
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| 184 | ! if (g_hplus .eq. 0) then |
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| 185 | ! write(*,*) "moldiffcoeff: Error; no Hplus tracer !!!" |
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| 186 | ! stop |
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| 187 | ! endif |
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| 188 | ! g_o=igcm_o |
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| 189 | ! if (g_o.eq.0) then |
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| 190 | ! write(*,*) "moldiffcoeff: Error; no O tracer !!!" |
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| 191 | ! stop |
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| 192 | ! endif |
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| 193 | |
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| 194 | c |
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| 195 | cccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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| 196 | c fill array to relate local indexes to gcm indexes |
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| 197 | cccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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| 198 | |
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| 199 | ! gcmind(i_co2) = g_co2 |
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| 200 | ! gcmind(i_n2) = g_n2 |
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| 201 | ! gcmind(i_ar) = g_ar |
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| 202 | ! gcmind(i_h2) = g_h2 |
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| 203 | ! gcmind(i_h) = g_h |
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| 204 | ! gcmind(i_co) = g_co |
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| 205 | ! gcmind(i_o2) = g_o2 |
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| 206 | ! gcmind(i_oh)= g_oh |
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| 207 | ! gcmind(i_ho2) = g_ho2 |
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| 208 | ! gcmind(i_h2o) = g_h2o |
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| 209 | ! gcmind(i_h2o2)= g_h2o2 |
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| 210 | ! gcmind(i_o1d) = g_o1d |
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| 211 | ! gcmind(i_o3) = g_o3 |
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| 212 | ! gcmind(i_n)= g_n |
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| 213 | ! gcmind(i_no) = g_no |
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| 214 | ! gcmind(i_no2) = g_no2 |
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| 215 | ! gcmind(i_n2d) = g_n2d |
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| 216 | ! gcmind(i_oplus) = g_oplus |
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| 217 | ! gcmind(i_hplus) = g_hplus |
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| 218 | ! gcmind(i_o) = g_o |
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| 219 | |
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| 220 | c |
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| 221 | cccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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| 222 | firstcall= .false. |
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| 223 | endif ! of if (firstcall) |
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| 224 | |
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| 225 | dijh2co = 0.0000651 |
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| 226 | dijh2n2 = 0.0000674 |
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| 227 | dijh2o2 = 0.0000697 |
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| 228 | dijh2co2 = 0.0000550 |
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| 229 | dijho = 0.000114 |
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| 230 | |
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| 231 | ! dij(i_h2,i_co) = 0.0000651 |
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| 232 | ! dij(i_h2,i_n2) = 0.0000674 |
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| 233 | ! dij(i_h2,i_o2) = 0.0000697 |
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| 234 | ! dij(i_h2,i_co2) = 0.0000550 |
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| 235 | ! dij(i_h2,i_h2) = 0.0 |
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| 236 | ! dij(i_h2,i_h) = 0.0 |
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| 237 | ! dij(i_h2,i_h2o) = 0.0 !0003 |
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| 238 | ! dij(i_h2,i_h2o2) = 0.0 !0003 |
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| 239 | ! dij(i_h2,i_o3) = 0.0 !0003 |
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| 240 | ! dij(i_h2,i_o) = 0.0 |
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| 241 | ! dij(i_h2,i_ar) = 0.0 |
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| 242 | ! dij(i_h2,i_n) = 0.0 |
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| 243 | |
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| 244 | !c dij(i_h,i_o) = 0.0000144 |
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| 245 | ! dij(i_h,i_o) = 0.000114 |
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| 246 | |
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| 247 | ! find h2, h and o index in gcm |
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| 248 | ! these species are used to define the diffusion coefficients |
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| 249 | |
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| 250 | do n=1,nqmx |
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| 251 | if (noms(n) .eq. 'h2') g_h2=n |
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| 252 | if (noms(n) .eq. 'h') g_h=n |
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| 253 | if (noms(n) .eq. 'o') g_o=n |
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| 254 | enddo |
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| 255 | print*,'moldiffcoeff_red: gh2',g_h2,g_h,g_o |
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| 256 | |
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| 257 | print*,'moldiffcoeff_red: COEFF CALC' |
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| 258 | |
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| 259 | do n=1,ncompdiff2 |
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| 260 | dijref=0. |
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| 261 | if (noms(gcmind(n)) .eq. 'co') dijref=dijh2co |
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| 262 | if (noms(gcmind(n)) .eq. 'n2') dijref=dijh2n2 |
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| 263 | if (noms(gcmind(n)) .eq. 'o2') dijref=dijh2o2 |
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| 264 | if (noms(gcmind(n)) .eq. 'co2') dijref=dijh2co2 |
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| 265 | ! print*,'test',n,dijref |
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| 266 | if (dijref .gt. 0.0) then |
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| 267 | do nn=n,ncompdiff2 |
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| 268 | dij(nn,n)=dijref |
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| 269 | & *sqrt(mmol(g_h2)/mmol(gcmind(nn))) |
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| 270 | if(n.eq.nn) dij(nn,n)=1.0 |
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| 271 | dij(n,nn)=dij(nn,n) |
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| 272 | enddo |
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| 273 | endif |
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| 274 | if (dijref .eq. 0.0) then |
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| 275 | dijref=dijho |
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| 276 | dnh=dijref*sqrt(mmol(g_o)/mmol(gcmind(n))) |
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| 277 | do nn=n,ncompdiff2 |
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| 278 | dij(nn,n)=dnh*sqrt(mmol(g_h)/mmol(gcmind(nn))) |
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| 279 | if(n.eq.nn) dij(nn,n)=1.0 |
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| 280 | dij(n,nn)=dij(nn,n) |
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| 281 | enddo |
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| 282 | endif |
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| 283 | enddo |
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| 284 | |
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| 285 | if (outputcoeffs) then |
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| 286 | ! output coefficients in 'coeffs.dat' file |
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| 287 | open(56,file='coeffs.dat',status='unknown') |
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| 288 | do n=1,ncompdiff2 |
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| 289 | do nn=n,ncompdiff2 |
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| 290 | write(56,*) n,nn,dij(n,nn) !*1.e5/1.381e-23/(273**1.75) |
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| 291 | enddo |
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| 292 | enddo |
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| 293 | close(56) |
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| 294 | endif |
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| 295 | |
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| 296 | |
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| 297 | return |
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| 298 | end |
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| 299 | |
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