| 1 | SUBROUTINE euvheat(ngrid,nlayer,nq,pt,pdt,pplev,pplay,zzlay, & |
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| 2 | mu0,ptimestep,ptime,zday,pq,pdq,pdteuv) |
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| 3 | |
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| 4 | use tracer_mod, only: igcm_co2, igcm_co, igcm_o, igcm_o1d, & |
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| 5 | igcm_o2, igcm_h, igcm_h2, igcm_oh, igcm_ho2, & |
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| 6 | igcm_h2o2, igcm_h2o_vap, igcm_o3, igcm_n2, & |
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| 7 | igcm_n, igcm_no, igcm_no2, igcm_n2d, mmol |
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| 8 | use conc_mod, only: rnew, cpnew |
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| 9 | IMPLICIT NONE |
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| 10 | !======================================================================= |
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| 11 | ! subject: |
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| 12 | ! -------- |
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| 13 | ! Computing heating rate due to EUV absorption |
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| 14 | ! |
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| 15 | ! author: MAC 2002 |
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| 16 | ! ------ |
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| 17 | ! |
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| 18 | ! input: |
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| 19 | ! ----- |
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| 20 | ! mu0(ngrid) |
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| 21 | ! pplay(ngrid,nlayer) pressure at middle of layers (Pa) |
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| 22 | ! |
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| 23 | ! output: |
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| 24 | ! ------- |
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| 25 | ! |
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| 26 | ! pdteuv(ngrid,nlayer) Heating rate (K/s) |
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| 27 | ! |
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| 28 | !======================================================================= |
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| 29 | ! |
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| 30 | ! 0. Declarations : |
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| 31 | ! ------------------ |
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| 32 | ! |
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| 33 | #include "callkeys.h" |
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| 34 | !----------------------------------------------------------------------- |
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| 35 | ! Input/Output |
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| 36 | ! ------------ |
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| 37 | |
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| 38 | integer,intent(in) :: ngrid ! number of atmospheric columns |
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| 39 | integer,intent(in) :: nlayer ! number of atmospheric layers |
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| 40 | integer,intent(in) :: nq ! number of advected tracers |
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| 41 | real :: pt(ngrid,nlayer) |
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| 42 | real :: pdt(ngrid,nlayer) |
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| 43 | real :: pplev(ngrid,nlayer+1) |
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| 44 | real :: pplay(ngrid,nlayer) |
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| 45 | real :: zzlay(ngrid,nlayer) |
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| 46 | real :: mu0(ngrid) |
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| 47 | real :: ptimestep,ptime |
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| 48 | real :: zday |
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| 49 | real :: pq(ngrid,nlayer,nq) |
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| 50 | real :: pdq(ngrid,nlayer,nq) |
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| 51 | |
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| 52 | real :: pdteuv(ngrid,nlayer) |
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| 53 | ! |
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| 54 | ! Local variables : |
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| 55 | ! ----------------- |
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| 56 | integer,save :: nespeuv ! Number of species considered |
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| 57 | |
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| 58 | !$OMP THREADPRIVATE(nespeuv) |
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| 59 | |
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| 60 | INTEGER :: l,ig,n |
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| 61 | integer,save :: euvmod |
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| 62 | real, allocatable, save :: rm(:,:) ! number density (cm-3) |
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| 63 | |
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| 64 | !$OMP THREADPRIVATE(euvmod,rm) |
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| 65 | |
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| 66 | real :: zq(ngrid,nlayer,nq) ! local updated tracer quantity |
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| 67 | real :: zt(ngrid,nlayer) ! local updated atmospheric temperature |
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| 68 | real :: zlocal(nlayer) |
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| 69 | real :: zenit |
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| 70 | real :: jtot(nlayer) |
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| 71 | real :: dens ! amu/cm-3 |
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| 72 | real :: tx(nlayer) |
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| 73 | ! real euveff !UV heating efficiency |
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| 74 | |
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| 75 | ! tracer indexes for the EUV heating: |
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| 76 | !!! ATTENTION. These values have to be identical to those in chemthermos.F90 |
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| 77 | !!! If the values are changed there, the same has to be done here !!! |
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| 78 | integer,parameter :: i_co2 = 1 |
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| 79 | integer,parameter :: i_co = 2 |
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| 80 | integer,parameter :: i_o = 3 |
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| 81 | integer,parameter :: i_o1d = 4 |
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| 82 | integer,parameter :: i_o2 = 5 |
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| 83 | integer,parameter :: i_o3 = 6 |
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| 84 | integer,parameter :: i_h = 7 |
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| 85 | integer,parameter :: i_h2 = 8 |
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| 86 | integer,parameter :: i_oh = 9 |
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| 87 | integer,parameter :: i_ho2 = 10 |
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| 88 | integer,parameter :: i_h2o2 = 11 |
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| 89 | integer,parameter :: i_h2o = 12 |
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| 90 | integer,parameter :: i_n = 13 |
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| 91 | integer,parameter :: i_n2d = 14 |
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| 92 | integer,parameter :: i_no = 15 |
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| 93 | integer,parameter :: i_no2 = 16 |
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| 94 | integer,parameter :: i_n2 = 17 |
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| 95 | ! integer,parameter :: i_co2=1 |
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| 96 | ! integer,parameter :: i_o2=2 |
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| 97 | ! integer,parameter :: i_o=3 |
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| 98 | ! integer,parameter :: i_co=4 |
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| 99 | ! integer,parameter :: i_h=5 |
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| 100 | ! integer,parameter :: i_oh=6 |
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| 101 | ! integer,parameter :: i_ho2=7 |
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| 102 | ! integer,parameter :: i_h2=8 |
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| 103 | ! integer,parameter :: i_h2o=9 |
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| 104 | ! integer,parameter :: i_h2o2=10 |
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| 105 | ! integer,parameter :: i_o1d=11 |
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| 106 | ! integer,parameter :: i_o3=12 |
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| 107 | ! integer,parameter :: i_n2=13 |
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| 108 | ! integer,parameter :: i_n=14 |
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| 109 | ! integer,parameter :: i_no=15 |
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| 110 | ! integer,parameter :: i_n2d=16 |
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| 111 | ! integer,parameter :: i_no2=17 |
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| 112 | |
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| 113 | |
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| 114 | ! Tracer indexes in the GCM: |
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| 115 | integer,save :: g_co2=0 |
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| 116 | integer,save :: g_o=0 |
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| 117 | integer,save :: g_o2=0 |
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| 118 | integer,save :: g_h2=0 |
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| 119 | integer,save :: g_h2o2=0 |
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| 120 | integer,save :: g_h2o=0 |
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| 121 | integer,save :: g_o3=0 |
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| 122 | integer,save :: g_n2=0 |
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| 123 | integer,save :: g_n=0 |
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| 124 | integer,save :: g_no=0 |
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| 125 | integer,save :: g_co=0 |
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| 126 | integer,save :: g_h=0 |
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| 127 | integer,save :: g_no2=0 |
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| 128 | integer,save :: g_oh=0 |
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| 129 | integer,save :: g_ho2=0 |
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| 130 | integer,save :: g_o1d=0 |
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| 131 | integer,save :: g_n2d=0 |
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| 132 | |
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| 133 | !$OMP THREADPRIVATE(g_co2,g_o,g_o2,g_h2,g_h2o2,g_h2o,g_o3,g_n2,g_n,g_no,g_co,g_h,g_no2,g_oh,g_ho2,g_o1d,g_n2d) |
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| 134 | |
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| 135 | logical,save :: firstcall=.true. |
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| 136 | |
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| 137 | !$OMP THREADPRIVATE(firstcall) |
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| 138 | |
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| 139 | ! Initializations and sanity checks: |
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| 140 | |
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| 141 | |
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| 142 | if (firstcall) then |
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| 143 | nespeuv=0 |
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| 144 | ! identify the indexes of the tracers we'll need |
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| 145 | g_co2=igcm_co2 |
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| 146 | if (g_co2.eq.0) then |
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| 147 | write(*,*) "euvheat: Error; no CO2 tracer !!!" |
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| 148 | write(*,*) "CO2 is always needed if calleuv=.true." |
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| 149 | stop |
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| 150 | else |
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| 151 | nespeuv=nespeuv+1 |
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| 152 | endif |
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| 153 | g_o=igcm_o |
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| 154 | if (g_o.eq.0) then |
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| 155 | write(*,*) "euvheat: Error; no O tracer !!!" |
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| 156 | write(*,*) "O is always needed if calleuv=.true." |
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| 157 | stop |
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| 158 | else |
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| 159 | nespeuv=nespeuv+1 |
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| 160 | endif |
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| 161 | g_o2=igcm_o2 |
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| 162 | if (g_o2.eq.0) then |
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| 163 | write(*,*) "euvheat: Error; no O2 tracer !!!" |
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| 164 | write(*,*) "O2 is always needed if calleuv=.true." |
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| 165 | stop |
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| 166 | else |
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| 167 | nespeuv=nespeuv+1 |
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| 168 | endif |
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| 169 | g_h2=igcm_h2 |
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| 170 | if (g_h2.eq.0) then |
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| 171 | write(*,*) "euvheat: Error; no H2 tracer !!!" |
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| 172 | write(*,*) "H2 is always needed if calleuv=.true." |
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| 173 | stop |
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| 174 | else |
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| 175 | nespeuv=nespeuv+1 |
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| 176 | endif |
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| 177 | g_oh=igcm_oh |
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| 178 | if (g_oh.eq.0) then |
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| 179 | write(*,*) "euvheat: Error; no OH tracer !!!" |
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| 180 | write(*,*) "OH must always be present if thermochem=T" |
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| 181 | stop |
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| 182 | else |
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| 183 | nespeuv=nespeuv+1 |
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| 184 | endif |
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| 185 | g_ho2=igcm_ho2 |
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| 186 | if (g_ho2.eq.0) then |
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| 187 | write(*,*) "euvheat: Error; no HO2 tracer !!!" |
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| 188 | write(*,*) "HO2 must always be present if thermochem=T" |
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| 189 | stop |
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| 190 | else |
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| 191 | nespeuv=nespeuv+1 |
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| 192 | endif |
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| 193 | g_h2o2=igcm_h2o2 |
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| 194 | if (g_h2o2.eq.0) then |
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| 195 | write(*,*) "euvheat: Error; no H2O2 tracer !!!" |
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| 196 | write(*,*) "H2O2 is always needed if calleuv=.true." |
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| 197 | stop |
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| 198 | else |
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| 199 | nespeuv=nespeuv+1 |
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| 200 | endif |
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| 201 | g_h2o=igcm_h2o_vap |
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| 202 | if (g_h2o.eq.0) then |
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| 203 | write(*,*) "euvheat: Error; no water vapor tracer !!!" |
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| 204 | write(*,*) "H2O is always needed if calleuv=.true." |
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| 205 | stop |
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| 206 | else |
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| 207 | nespeuv=nespeuv+1 |
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| 208 | endif |
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| 209 | g_o1d=igcm_o1d |
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| 210 | if (g_o1d.eq.0) then |
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| 211 | write(*,*) "euvheat: Error; no O1D tracer !!!" |
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| 212 | write(*,*) "O1D must always be present if thermochem=T" |
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| 213 | stop |
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| 214 | else |
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| 215 | nespeuv=nespeuv+1 |
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| 216 | endif |
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| 217 | g_co=igcm_co |
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| 218 | if (g_co.eq.0) then |
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| 219 | write(*,*) "euvheat: Error; no CO tracer !!!" |
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| 220 | write(*,*) "CO is always needed if calleuv=.true." |
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| 221 | stop |
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| 222 | else |
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| 223 | nespeuv=nespeuv+1 |
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| 224 | endif |
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| 225 | g_h=igcm_h |
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| 226 | if (g_h.eq.0) then |
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| 227 | write(*,*) "euvheat: Error; no H tracer !!!" |
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| 228 | write(*,*) "H is always needed if calleuv=.true." |
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| 229 | stop |
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| 230 | else |
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| 231 | nespeuv=nespeuv+1 |
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| 232 | endif |
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| 233 | |
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| 234 | euvmod = 0 !Default: C/O/H chemistry |
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| 235 | !Check if O3 is present |
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| 236 | g_o3=igcm_o3 |
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| 237 | if (g_o3.eq.0) then |
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| 238 | write(*,*) "euvheat: Error; no O3 tracer !!!" |
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| 239 | write(*,*) "O3 must be present if calleuv=.true." |
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| 240 | stop |
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| 241 | else |
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| 242 | nespeuv=nespeuv+1 |
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| 243 | euvmod=1 |
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| 244 | endif |
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| 245 | |
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| 246 | !Nitrogen species |
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| 247 | !NO is used to determine if N chemistry is wanted |
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| 248 | !euvmod=2 -> N chemistry |
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| 249 | g_no=igcm_no |
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| 250 | if (g_no.eq.0) then |
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| 251 | write(*,*) "euvheat: no NO tracer" |
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| 252 | write(*,*) "No N species in UV heating" |
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| 253 | else if(g_no.ne.0) then |
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| 254 | nespeuv=nespeuv+1 |
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| 255 | euvmod=2 |
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| 256 | endif |
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| 257 | ! n2 |
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| 258 | g_n2=igcm_n2 |
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| 259 | if(euvmod.eq.2) then |
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| 260 | if (g_n2.eq.0) then |
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| 261 | write(*,*) "euvheat: Error; no N2 tracer !!!" |
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| 262 | write(*,*) "N2 needed if NO is in traceur.def" |
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| 263 | stop |
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| 264 | else |
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| 265 | nespeuv=nespeuv+1 |
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| 266 | endif |
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| 267 | endif ! Of if(euvmod.eq.2) |
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| 268 | ! N |
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| 269 | g_n=igcm_n |
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| 270 | if(euvmod == 2) then |
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| 271 | if (g_n.eq.0) then |
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| 272 | write(*,*) "euvheat: Error; no N tracer !!!" |
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| 273 | write(*,*) "N needed if NO is in traceur.def" |
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| 274 | stop |
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| 275 | else if(g_n.ne.0) then |
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| 276 | nespeuv=nespeuv+1 |
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| 277 | endif |
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| 278 | else |
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| 279 | if(g_n /= 0) then |
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| 280 | write(*,*) "euvheat: Error: N present, but NO not!!!" |
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| 281 | write(*,*) "Both must be in traceur.def" |
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| 282 | stop |
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| 283 | endif |
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| 284 | endif !Of if(euvmod==2) |
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| 285 | !NO2 |
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| 286 | g_no2=igcm_no2 |
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| 287 | if(euvmod == 2) then |
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| 288 | if (g_no2.eq.0) then |
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| 289 | write(*,*) "euvheat: Error; no NO2 tracer !!!" |
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| 290 | write(*,*) "NO2 needed if NO is in traceur.def" |
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| 291 | stop |
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| 292 | else if(g_no2.ne.0) then |
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| 293 | nespeuv=nespeuv+1 |
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| 294 | endif |
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| 295 | else |
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| 296 | if(g_no2 /= 0) then |
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| 297 | write(*,*) "euvheat: Error: NO2 present, but NO not!!!" |
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| 298 | write(*,*) "Both must be in traceur.def" |
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| 299 | stop |
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| 300 | endif |
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| 301 | endif !Of if(euvmod==2) |
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| 302 | !N2D |
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| 303 | g_n2d=igcm_n2d |
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| 304 | if(euvmod == 2) then |
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| 305 | if (g_n2d.eq.0) then |
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| 306 | write(*,*) "euvheat: Error; no N2D tracer !!!" |
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| 307 | write(*,*) "N2D needed if NO is in traceur.def" |
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| 308 | stop |
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| 309 | else |
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| 310 | nespeuv=nespeuv+1 |
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| 311 | endif |
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| 312 | else |
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| 313 | if(g_n2d /= 0) then |
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| 314 | write(*,*) "euvheat: Error: N2D present, but NO not!!!" |
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| 315 | write(*,*) "Both must be in traceur.def" |
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| 316 | stop |
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| 317 | endif |
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| 318 | endif !Of if(euvmod==2) |
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| 319 | |
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| 320 | !Check if nespeuv is appropriate for the value of euvmod |
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| 321 | select case(euvmod) |
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| 322 | case(0) |
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| 323 | if(nespeuv.ne.11) then |
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| 324 | write(*,*)'euvheat: Wrong number of tracers!' |
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| 325 | stop |
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| 326 | else |
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| 327 | write(*,*)'euvheat: Computing absorption by',nespeuv, & |
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| 328 | ' species' |
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| 329 | endif |
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| 330 | case(1) |
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| 331 | if(nespeuv.ne.12) then |
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| 332 | write(*,*)'euvheat: Wrong number of tracers!',nespeuv |
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| 333 | stop |
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| 334 | else |
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| 335 | write(*,*)'euvheat: Computing absorption by',nespeuv, & |
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| 336 | ' species' |
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| 337 | endif |
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| 338 | case(2) |
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| 339 | if(nespeuv.ne.17) then |
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| 340 | write(*,*)'euvheat: Wrong number of tracers!' |
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| 341 | stop |
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| 342 | else |
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| 343 | write(*,*)'euvheat: Computing absorption by',nespeuv, & |
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| 344 | ' species' |
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| 345 | endif |
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| 346 | end select |
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| 347 | |
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| 348 | !Allocate density vector |
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| 349 | allocate(rm(nlayer,nespeuv)) |
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| 350 | |
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| 351 | firstcall= .false. |
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| 352 | endif ! of if (firstcall) |
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| 353 | |
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| 354 | !cccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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| 355 | |
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| 356 | |
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| 357 | ! build local updated values of tracers and temperature |
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| 358 | do l=1,nlayer |
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| 359 | do ig=1,ngrid |
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| 360 | ! chemical species |
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| 361 | zq(ig,l,g_co2)=pq(ig,l,g_co2)+pdq(ig,l,g_co2)*ptimestep |
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| 362 | zq(ig,l,g_o2)=pq(ig,l,g_o2)+pdq(ig,l,g_o2)*ptimestep |
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| 363 | zq(ig,l,g_o)=pq(ig,l,g_o)+pdq(ig,l,g_o)*ptimestep |
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| 364 | zq(ig,l,g_h2)=pq(ig,l,g_h2)+pdq(ig,l,g_h2)*ptimestep |
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| 365 | zq(ig,l,g_h2o2)=pq(ig,l,g_h2o2)+pdq(ig,l,g_h2o2)*ptimestep |
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| 366 | zq(ig,l,g_h2o)=pq(ig,l,g_h2o)+pdq(ig,l,g_h2o)*ptimestep |
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| 367 | zq(ig,l,g_n2)=pq(ig,l,g_n2)+pdq(ig,l,g_n2)*ptimestep |
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| 368 | zq(ig,l,g_co)=pq(ig,l,g_co)+pdq(ig,l,g_co)*ptimestep |
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| 369 | zq(ig,l,g_h)=pq(ig,l,g_h)+pdq(ig,l,g_h)*ptimestep |
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| 370 | if(euvmod.ge.1) & |
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| 371 | zq(ig,l,g_o3)=pq(ig,l,g_o3)+pdq(ig,l,g_o3)*ptimestep |
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| 372 | if(euvmod.eq.2) then |
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| 373 | zq(ig,l,g_n)=pq(ig,l,g_n)+pdq(ig,l,g_n)*ptimestep |
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| 374 | zq(ig,l,g_no)=pq(ig,l,g_no)+pdq(ig,l,g_no)*ptimestep |
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| 375 | zq(ig,l,g_no2)=pq(ig,l,g_no2)+pdq(ig,l,g_no2)*ptimestep |
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| 376 | endif |
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| 377 | if(euvmod.gt.2.or.euvmod.lt.0) then |
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| 378 | write(*,*)'euvheat: bad value for euvmod. Stop' |
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| 379 | stop |
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| 380 | endif |
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| 381 | ! atmospheric temperature |
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| 382 | zt(ig,l)=pt(ig,l)+pdt(ig,l)*ptimestep |
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| 383 | enddo |
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| 384 | enddo |
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| 385 | |
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| 386 | |
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| 387 | do ig=1,ngrid |
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| 388 | zenit=acos(mu0(ig))*180./acos(-1.) |
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| 389 | |
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| 390 | do l=1,nlayer |
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| 391 | !Conversion to number density |
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| 392 | dens=pplay(ig,l)/(rnew(ig,l)*zt(ig,l)) / 1.66e-21 |
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| 393 | rm(l,i_co2) = zq(ig,l,g_co2) * dens / mmol(g_co2) |
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| 394 | rm(l,i_o2) = zq(ig,l,g_o2) * dens / mmol(g_o2) |
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| 395 | rm(l,i_o) = zq(ig,l,g_o) * dens / mmol(g_o) |
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| 396 | rm(l,i_h2) = zq(ig,l,g_h2) * dens / mmol(g_h2) |
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| 397 | rm(l,i_h2o) = zq(ig,l,g_h2o) * dens / mmol(g_h2o) |
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| 398 | rm(l,i_h2o2) = zq(ig,l,g_h2o2) * dens / mmol(g_h2o2) |
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| 399 | rm(l,i_co) = zq(ig,l,g_co) * dens / mmol(g_co) |
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| 400 | rm(l,i_h) = zq(ig,l,g_h) * dens / mmol(g_h) |
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| 401 | !Only if O3, N or ion chemistry requested |
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| 402 | if(euvmod.ge.1) & |
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| 403 | rm(l,i_o3) = zq(ig,l,g_o3) * dens / mmol(g_o3) |
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| 404 | !Only if N or ion chemistry requested |
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| 405 | if(euvmod.ge.2) then |
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| 406 | rm(l,i_n2) = zq(ig,l,g_n2) * dens / mmol(g_n2) |
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| 407 | rm(l,i_n) = zq(ig,l,g_n) * dens / mmol(g_n) |
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| 408 | rm(l,i_no) = zq(ig,l,g_no) * dens / mmol(g_no) |
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| 409 | rm(l,i_no2) = zq(ig,l,g_no2) * dens / mmol(g_no2) |
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| 410 | endif |
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| 411 | enddo |
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| 412 | |
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| 413 | zlocal(1)=zzlay(ig,1) |
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| 414 | zlocal(1)=zlocal(1)/1000. |
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| 415 | tx(1)=zt(ig,1) |
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| 416 | |
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| 417 | do l=2,nlayer |
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| 418 | tx(l)=zt(ig,l) |
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| 419 | zlocal(l)=zzlay(ig,l)/1000. |
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| 420 | enddo |
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| 421 | !Routine to calculate the UV heating |
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| 422 | call hrtherm (ig,nlayer,euvmod,rm,nespeuv,tx,zlocal,zenit,zday,jtot) |
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| 423 | |
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| 424 | |
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| 425 | |
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| 426 | ! euveff=0.16 !UV heating efficiency. Following Fox et al. ASR 1996 |
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| 427 | !should vary between 19% and 23%. Lower values |
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| 428 | !(i.e. 16%) can be used to compensate underestimation |
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| 429 | !of 15-um cooling (see Forget et al. JGR 2009 and |
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| 430 | !Gonzalez-Galindo et al. JGR 2009) for details |
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| 431 | !Calculates the UV heating from the total photoabsorption coefficient |
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| 432 | do l=1,nlayer |
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| 433 | pdteuv(ig,l)=euveff*jtot(l)/10. & |
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| 434 | /(cpnew(ig,l)*pplay(ig,l)/(rnew(ig,l)*zt(ig,l))) |
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| 435 | ! & *(1.52/dist_sol)**2 !The solar flux calculated in |
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| 436 | !flujo.F is already corrected for |
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| 437 | !the actual Mars-Sun distance |
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| 438 | enddo |
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| 439 | enddo ! of do ig=1,ngrid |
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| 440 | |
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| 441 | !Deallocations |
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| 442 | ! deallocate(rm) |
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| 443 | |
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| 444 | return |
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| 445 | end |
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