| 1 | subroutine lwxd (ig0,kdlon,kflev,emis |
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| 2 | . ,aer_t,co2_u,co2_up) |
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| 3 | |
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| 4 | c---------------------------------------------------------------------- |
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| 5 | c LWXD computes transmission function and exchange coefficiants |
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| 6 | c for distant layers |
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| 7 | c (co2 / aerosols) |
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| 8 | c (bands 1 and 2 of co2) |
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| 9 | c---------------------------------------------------------------------- |
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| 10 | c |
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| 11 | c |---|---|---|---|---|---|---|---| |
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| 12 | c kflev+1 | | | | | | | | 0 | (space) |
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| 13 | c |---|---|---|---|---|---|---|---| |
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| 14 | c kflev | |***|***|***|***| | 0 | | |
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| 15 | c |---|---|---|---|---|---|---|---| |
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| 16 | c ... | |***|***|***| | 0 | | | |
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| 17 | c |---|---|---|---|---|---|---|---| |
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| 18 | c 4 | |***|***| | 0 | |***| | |
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| 19 | c |---|---|---|---|---|---|---|---| |
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| 20 | c 3 | |***| | 0 | |***|***| | |
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| 21 | c |---|---|---|---|---|---|---|---| |
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| 22 | c 2 | | | 0 | | |***|***| | |
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| 23 | c |---|---|---|---|---|---|---|---| |
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| 24 | c 1 | | 0 | | |***|***|***| | |
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| 25 | c |---|---|---|---|---|---|---|---| |
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| 26 | c 0 | 0 | | |***|***|***|***| | (ground) |
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| 27 | c |---|---|---|---|---|---|---|---| |
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| 28 | c 0 1 2 3 4 ... k |k+1 |
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| 29 | c (ground) (space) |
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| 30 | c |
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| 31 | c (*) xi computed in this subroutine |
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| 32 | c---------------------------------------------------------------------- |
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| 33 | |
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| 34 | use dimradmars_mod, only: ndlon, nuco2, nflev, ndlo2 |
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| 35 | use yomlw_h, only: nlaylte, xi, xi_emis |
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| 36 | implicit none |
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| 37 | |
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| 38 | include "callkeys.h" |
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| 39 | |
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| 40 | c---------------------------------------------------------------------- |
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| 41 | c 0.1 arguments |
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| 42 | c --------- |
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| 43 | c inputs: |
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| 44 | c ------- |
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| 45 | integer,intent(in) :: ig0 |
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| 46 | integer,intent(in) :: kdlon ! part of ngrid |
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| 47 | integer,intent(in) :: kflev ! part of nalyer |
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| 48 | |
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| 49 | real,intent(in) :: emis (ndlo2) ! surface emissivity |
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| 50 | real,intent(in) :: aer_t (ndlo2,nuco2,kflev+1) ! transmission (aer) |
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| 51 | real,intent(in) :: co2_u (ndlo2,nuco2,kflev+1) ! absorber amounts (co2) |
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| 52 | real,intent(in) :: co2_up (ndlo2,nuco2,kflev+1) ! idem scaled by the pressure (co2) |
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| 53 | |
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| 54 | c---------------------------------------------------------------------- |
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| 55 | c 0.2 local arrays |
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| 56 | c ------------ |
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| 57 | |
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| 58 | integer ja,jl,jk,jkk |
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| 59 | real zu (ndlon,nuco2) |
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| 60 | real zup (ndlon,nuco2) |
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| 61 | real zt_co2 (ndlon,nuco2) |
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| 62 | real zt_aer (ndlon,nuco2) |
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| 63 | |
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| 64 | real ksi (ndlon,nuco2,0:nflev+1,0:nflev+1) |
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| 65 | real ksi_emis (ndlon,nuco2,0:nflev+1,0:nflev+1) |
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| 66 | real trans (ndlon,nuco2,0:nflev+1,0:nflev+1) |
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| 67 | real trans_emis (ndlon,nuco2,0:nflev+1,0:nflev+1) |
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| 68 | |
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| 69 | c---------------------------------------------------------------------- |
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| 70 | ksi_emis(:,:,:,:)=0 |
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| 71 | c---------------------------------------------------------------------- |
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| 72 | c 1.0 Transmission functions |
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| 73 | c ---------------------- |
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| 74 | |
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| 75 | c---------------------------------------------------------------------- |
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| 76 | c 1.1 Direct transmission |
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| 77 | c ------------------- |
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| 78 | |
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| 79 | do jk = 1 , nlaylte+1 |
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| 80 | do jkk = jk , nlaylte+1 |
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| 81 | |
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| 82 | do ja = 1 , nuco2 |
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| 83 | do jl = 1 , kdlon |
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| 84 | c co2 |
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| 85 | c --- |
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| 86 | zu(jl,ja) = co2_u(jl,ja,jk) - co2_u(jl,ja,jkk) |
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| 87 | zup(jl,ja) = co2_up(jl,ja,jk) - co2_up(jl,ja,jkk) |
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| 88 | c aer |
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| 89 | c --- |
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| 90 | zt_aer(jl,ja)= aer_t(jl,ja,jk) |
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| 91 | . /aer_t(jl,ja,jkk) |
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| 92 | |
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| 93 | enddo |
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| 94 | enddo |
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| 95 | |
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| 96 | call lwtt(kdlon,zu,zup,nuco2,zt_co2) |
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| 97 | c co2 and aer |
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| 98 | c ----------- |
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| 99 | do ja = 1 , nuco2 |
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| 100 | do jl = 1 , kdlon |
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| 101 | trans(jl,ja,jk,jkk) = zt_co2(jl,ja) * zt_aer(jl,ja) |
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| 102 | enddo |
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| 103 | enddo |
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| 104 | c trans reciprocity |
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| 105 | c ----------------- |
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| 106 | do ja = 1 , nuco2 |
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| 107 | do jl = 1 , kdlon |
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| 108 | trans(jl,ja,jkk,jk) = trans(jl,ja,jk,jkk) |
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| 109 | c if (trans(jl,ja,jk,jkk) .LT. 0 ) then |
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| 110 | c print*,'trans bande',ja,jk,jkk,trans(jl,ja,jk,jkk) |
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| 111 | c endif |
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| 112 | c if (trans(jl,ja,jk,jkk) .GT. 1) then |
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| 113 | c print*,'trans bande',ja,jk,jkk,trans(jl,ja,jk,jkk) |
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| 114 | c trans(jl,ja,jk,jkk)=1 |
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| 115 | c print*,'trans bande',ja,jk,jkk,trans(jl,ja,jk,jkk) |
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| 116 | c endif |
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| 117 | |
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| 118 | enddo |
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| 119 | enddo |
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| 120 | |
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| 121 | enddo |
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| 122 | enddo |
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| 123 | |
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| 124 | c---------------------------------------------------------------------- |
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| 125 | c 1.2 Transmission with reflexion |
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| 126 | c --------------------------- |
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| 127 | |
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| 128 | do jk = 1 , nlaylte+1 |
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| 129 | do jkk = jk , nlaylte+1 |
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| 130 | |
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| 131 | if (callemis) then |
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| 132 | do ja = 1 , nuco2 |
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| 133 | do jl = 1 , kdlon |
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| 134 | c co2 |
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| 135 | c --- |
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| 136 | zu(jl,ja) = 2 * co2_u(jl,ja,1) - co2_u(jl,ja,jk) |
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| 137 | . - co2_u(jl,ja,jkk) |
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| 138 | zup(jl,ja) = 2 * co2_up(jl,ja,1) - co2_up(jl,ja,jk) |
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| 139 | . - co2_up(jl,ja,jkk) |
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| 140 | c aer |
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| 141 | c --- |
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| 142 | zt_aer(jl,ja) = aer_t(jl,ja,1) |
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| 143 | . * aer_t(jl,ja,1) |
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| 144 | . / aer_t(jl,ja,jk) |
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| 145 | . / aer_t(jl,ja,jkk) |
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| 146 | enddo |
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| 147 | enddo |
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| 148 | |
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| 149 | call lwtt(kdlon,zu,zup,nuco2,zt_co2) |
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| 150 | c co2 and aer |
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| 151 | c ----------- |
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| 152 | do ja = 1 , nuco2 |
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| 153 | do jl = 1 , kdlon |
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| 154 | trans_emis(jl,ja,jk,jkk) = zt_co2(jl,ja) |
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| 155 | . * zt_aer(jl,ja) |
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| 156 | enddo |
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| 157 | enddo |
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| 158 | |
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| 159 | else |
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| 160 | |
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| 161 | do ja = 1 , nuco2 |
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| 162 | do jl = 1 , kdlon |
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| 163 | trans_emis(jl,ja,jk,jkk) = 1. |
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| 164 | enddo |
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| 165 | enddo |
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| 166 | |
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| 167 | endif |
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| 168 | c trans reciprocity |
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| 169 | c ----------------- |
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| 170 | do ja = 1 , nuco2 |
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| 171 | do jl = 1 , kdlon |
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| 172 | trans_emis(jl,ja,jkk,jk) = trans_emis(jl,ja,jk,jkk) |
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| 173 | c if (trans_emis(jl,ja,jk,jkk) .LT. 0 |
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| 174 | c . .OR. trans_emis(jl,ja,jk,jkk) .GT. 1) then |
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| 175 | c print*,'trans_emis bande',ja,jk,jkk,trans_emis(jl,ja,jk,jkk) |
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| 176 | c endif |
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| 177 | enddo |
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| 178 | enddo |
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| 179 | |
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| 180 | enddo |
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| 181 | enddo |
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| 182 | |
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| 183 | c---------------------------------------------------------------------- |
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| 184 | c 2.0 Exchange Coefficiants |
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| 185 | c --------------------- |
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| 186 | |
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| 187 | do jk = 1 , nlaylte-2 |
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| 188 | do jkk = jk+2 , nlaylte |
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| 189 | do ja = 1 , nuco2 |
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| 190 | do jl = 1 , kdlon |
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| 191 | |
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| 192 | ksi(jl,ja,jk,jkk) = |
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| 193 | . trans(jl,ja,jk+1,jkk) - trans(jl,ja,jk,jkk) |
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| 194 | . - trans(jl,ja,jk+1,jkk+1) + trans(jl,ja,jk,jkk+1) |
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| 195 | |
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| 196 | ksi_emis(jl,ja,jk,jkk) = |
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| 197 | . trans_emis(jl,ja,jk,jkk) - trans_emis(jl,ja,jk+1,jkk) |
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| 198 | . - trans_emis(jl,ja,jk,jkk+1) + trans_emis(jl,ja,jk+1,jkk+1) |
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| 199 | |
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| 200 | c if (ksi(jl,ja,jk,jkk) .LT. 0 ) then |
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| 201 | c print*,'ksi bande',ja,jk,jkk,ksi(jl,ja,jk,jkk) |
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| 202 | c ksi(jl,ja,jk,jkk)=0 |
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| 203 | c print*,'ksi bande',ja,jk,jkk,ksi(jl,ja,jk,jkk) |
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| 204 | c endif |
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| 205 | c if (ksi(jl,ja,jk,jkk) .GT. 1) then |
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| 206 | c print*,'ksi bande',ja,jk,jkk,ksi(jl,ja,jk,jkk) |
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| 207 | c ksi(jl,ja,jk,jkk)=1 |
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| 208 | c print*,'ksi bande',ja,jk,jkk,ksi(jl,ja,jk,jkk) |
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| 209 | c endif |
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| 210 | |
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| 211 | c if (ksi_emis(jl,ja,jk,jkk) .LT. 0 |
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| 212 | c . .OR. ksi_emis(jl,ja,jk,jkk) .GT. 1) then |
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| 213 | c print*,'ksi_emis bande',ja,jk,jkk,ksi_emis(jl,ja,jk,jkk) |
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| 214 | c endif |
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| 215 | |
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| 216 | xi(ig0+jl,ja,jk,jkk) = ksi(jl,ja,jk,jkk) |
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| 217 | . + ksi_emis(jl,ja,jk,jkk) * (1 - emis(jl)) |
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| 218 | |
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| 219 | c ksi reciprocity |
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| 220 | c --------------- |
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| 221 | ksi(jl,ja,jkk,jk) = ksi(jl,ja,jk,jkk) |
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| 222 | ksi_emis(jl,ja,jkk,jk) = ksi_emis(jl,ja,jk,jkk) |
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| 223 | xi(ig0+jl,ja,jkk,jk) = xi(ig0+jl,ja,jk,jkk) |
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| 224 | |
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| 225 | enddo |
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| 226 | enddo |
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| 227 | enddo |
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| 228 | enddo |
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| 229 | |
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| 230 | c---------------------------------------------------------------------- |
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| 231 | c 2.1 Save xi_emis for neighbours (lwxn.F) |
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| 232 | c ----------------------------------- |
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| 233 | |
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| 234 | do jk = 1 , nlaylte-1 |
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| 235 | do ja = 1 , nuco2 |
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| 236 | do jl = 1 , kdlon |
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| 237 | |
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| 238 | c ksi_emis(jl,ja,jk,jk+1) = |
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| 239 | c . trans_emis(jl,ja,jk,jk+1) - trans_emis(jl,ja,jk+1,jk+1) |
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| 240 | c . - trans_emis(jl,ja,jk,jk+2) + trans_emis(jl,ja,jk+1,jk+2) |
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| 241 | |
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| 242 | xi_emis(ig0+jl,ja,jk) = |
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| 243 | . ksi_emis(jl,ja,jk,jk+1) * (1-emis(jl)) |
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| 244 | |
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| 245 | enddo |
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| 246 | enddo |
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| 247 | enddo |
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| 248 | |
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| 249 | c---------------------------------------------------------------------- |
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| 250 | end |
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