| 1 | SUBROUTINE SFLUXI(PLEV,TLEV,DTAUI,TAUCUMI,UBARI,RSFI,WNOI,DWNI, |
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| 2 | * COSBI,WBARI,GWEIGHT,NFLUXTOPI,NFLUXTOPI_nu, |
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| 3 | * FMNETI,fmneti_nu,fluxupi,fluxdni,fluxupi_nu, |
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| 4 | * FZEROI,TAUGSURF) |
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| 5 | |
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| 6 | use radinc_h |
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| 7 | use radcommon_h, only: planckir, tlimit |
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| 8 | |
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| 9 | implicit none |
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| 10 | |
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| 11 | #include "comcstfi.h" |
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| 12 | |
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| 13 | integer NLEVRAD, L, NW, NG, NTS, NTT |
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| 14 | |
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| 15 | real*8 TLEV(L_LEVELS), PLEV(L_LEVELS) |
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| 16 | real*8 TAUCUMI(L_LEVELS,L_NSPECTI,L_NGAUSS) |
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| 17 | real*8 FMNETI(L_NLAYRAD) |
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| 18 | real*8 FMNETI_NU(L_NLAYRAD,L_NSPECTI) |
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| 19 | real*8 WNOI(L_NSPECTI), DWNI(L_NSPECTI) |
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| 20 | real*8 DTAUI(L_NLAYRAD,L_NSPECTI,L_NGAUSS) |
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| 21 | real*8 FMUPI(L_NLEVRAD), FMDI(L_NLEVRAD) |
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| 22 | real*8 COSBI(L_NLAYRAD,L_NSPECTI,L_NGAUSS) |
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| 23 | real*8 WBARI(L_NLAYRAD,L_NSPECTI,L_NGAUSS) |
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| 24 | real*8 GWEIGHT(L_NGAUSS), NFLUXTOPI |
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| 25 | real*8 NFLUXTOPI_nu(L_NSPECTI) |
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| 26 | real*8 fluxupi_nu(L_NLAYRAD,L_NSPECTI) |
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| 27 | real*8 FTOPUP |
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| 28 | |
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| 29 | real*8 UBARI, RSFI, TSURF, BSURF, TTOP, BTOP, TAUTOP |
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| 30 | real*8 PLANCK, PLTOP |
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| 31 | real*8 fluxupi(L_NLAYRAD), fluxdni(L_NLAYRAD) |
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| 32 | real*8 FZEROI(L_NSPECTI) |
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| 33 | real*8 taugsurf(L_NSPECTI,L_NGAUSS-1), fzero |
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| 34 | |
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| 35 | real*8 BSURFtest ! by RW for test |
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| 36 | |
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| 37 | real*8 fup_tmp(L_NSPECTI),fdn_tmp(L_NSPECTI) |
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| 38 | real*8 XX,YY ! calcul intermediate |
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| 39 | |
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| 40 | |
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| 41 | C======================================================================C |
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| 42 | |
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| 43 | NLEVRAD = L_NLEVRAD |
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| 44 | |
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| 45 | |
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| 46 | C ZERO THE NET FLUXES |
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| 47 | |
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| 48 | NFLUXTOPI = 0.0 |
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| 49 | DO NW=1,L_NSPECTI |
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| 50 | NFLUXTOPI_nu(NW) = 0.0 |
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| 51 | DO L=1,L_NLAYRAD |
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| 52 | FLUXUPI_nu(L,NW) = 0.0 |
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| 53 | FMNETI_nu(L,NW) = 0.0 |
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| 54 | |
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| 55 | fup_tmp(nw)=0.0 |
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| 56 | fdn_tmp(nw)=0.0 |
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| 57 | |
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| 58 | END DO |
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| 59 | END DO |
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| 60 | |
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| 61 | DO L=1,L_NLAYRAD |
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| 62 | FMNETI(L) = 0.0 |
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| 63 | FLUXUPI(L) = 0.0 |
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| 64 | FLUXDNI(L) = 0.0 |
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| 65 | END DO |
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| 66 | |
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| 67 | C WE NOW ENTER A MAJOR LOOP OVER SPECTRAL INTERVALS IN THE INFRARED |
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| 68 | C TO CALCULATE THE NET FLUX IN EACH SPECTRAL INTERVAL |
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| 69 | |
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| 70 | TTOP = TLEV(2) |
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| 71 | TSURF = TLEV(L_LEVELS) |
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| 72 | !PRINT*, 'TB18 NTstar: ',NTstar,TSURF |
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| 73 | NTS = int(TSURF*10.0D0)-NTstar + 1 |
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| 74 | !PRINT*, 'TB18 NTS: ',NTS |
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| 75 | !PRINT*, 'TB18 TLEV sfluxi: ',TLEV |
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| 76 | NTT = int(TTOP *10.0D0)-NTstar +1 |
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| 77 | !PRINT*, 'TB18 NTT: ',NTT |
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| 78 | |
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| 79 | ! if temperatures superior to 50K |
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| 80 | ! NTS = TSURF*10.0D0-499 |
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| 81 | ! NTT = TTOP *10.0D0-499 |
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| 82 | |
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| 83 | ! analyse |
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| 84 | c write(*,*)'TTOP',TTOP |
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| 85 | c write(*,*)'TSURF',TSURF |
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| 86 | c write(*,*)'NTS',NTS |
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| 87 | c write(*,*)'NTT',NTT |
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| 88 | c DO L=1,L_LEVELS |
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| 89 | c write(*,*)'TLEV',TLEV |
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| 90 | c ENDDO |
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| 91 | BSURFtest=0.0 |
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| 92 | |
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| 93 | DO 501 NW=1,L_NSPECTI |
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| 94 | |
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| 95 | C SURFACE EMISSIONS - INDEPENDENT OF GAUSS POINTS |
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| 96 | BSURF = (1.-RSFI)*PLANCKIR(NW,NTS) ! interpolate for accuracy?? |
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| 97 | PLTOP = PLANCKIR(NW,NTT) |
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| 98 | |
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| 99 | !BSURFtest=BSURFtest+BSURF*DWNI(NW) |
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| 100 | !if(NW.eq.L_NSPECTI)then |
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| 101 | ! print*,'eps*sigma*T^4',5.67e-8*(1.-RSFI)*TSURF**4 |
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| 102 | ! print*,'BSURF in sfluxi=',pi*BSURFtest |
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| 103 | !endif |
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| 104 | |
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| 105 | |
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| 106 | C If FZEROI(NW) = 1, then the k-coefficients are zero - skip to the |
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| 107 | C special Gauss point at the end. |
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| 108 | |
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| 109 | FZERO = FZEROI(NW) |
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| 110 | IF(FZERO.ge.0.99) goto 40 |
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| 111 | |
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| 112 | DO NG=1,L_NGAUSS-1 |
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| 113 | |
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| 114 | if(TAUGSURF(NW,NG).lt. TLIMIT) then |
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| 115 | fzero = fzero + (1.0-FZEROI(NW))*GWEIGHT(NG) |
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| 116 | goto 30 |
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| 117 | end if |
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| 118 | |
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| 119 | C SET UP THE UPPER AND LOWER BOUNDARY CONDITIONS ON THE IR |
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| 120 | C CALCULATE THE DOWNWELLING RADIATION AT THE TOP OF THE MODEL |
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| 121 | C OR THE TOP LAYER WILL COOL TO SPACE UNPHYSICALLY |
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| 122 | |
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| 123 | TAUTOP = DTAUI(1,NW,NG)*PLEV(2)/(PLEV(4)-PLEV(2)) |
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| 124 | BTOP = (1.0-EXP(-TAUTOP/UBARI))*PLTOP |
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| 125 | |
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| 126 | C WE CAN NOW SOLVE FOR THE COEFFICIENTS OF THE TWO STREAM |
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| 127 | C CALL A SUBROUTINE THAT SOLVES FOR THE FLUX TERMS |
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| 128 | C WITHIN EACH INTERVAL AT THE MIDPOINT WAVENUMBER |
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| 129 | |
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| 130 | CALL GFLUXI(NLEVRAD,TLEV,NW,DWNI(NW),DTAUI(1,NW,NG), |
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| 131 | * TAUCUMI(1,NW,NG), |
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| 132 | * WBARI(1,NW,NG),COSBI(1,NW,NG),UBARI,RSFI,BTOP, |
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| 133 | * BSURF,FTOPUP,FMUPI,FMDI) |
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| 134 | |
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| 135 | |
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| 136 | C NOW CALCULATE THE CUMULATIVE IR NET FLUX |
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| 137 | XX= FTOPUP*DWNI(NW)*GWEIGHT(NG)*(1.0-FZEROI(NW)) |
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| 138 | NFLUXTOPI = NFLUXTOPI+ XX |
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| 139 | NFLUXTOPI_nu(NW) = NFLUXTOPI_nu(NW) + XX !same by spectral band. |
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| 140 | |
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| 141 | |
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| 142 | DO L=1,L_NLEVRAD-1 |
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| 143 | |
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| 144 | C CORRECT FOR THE WAVENUMBER INTERVALS |
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| 145 | YY = DWNI(NW)*GWEIGHT(NG)*(1.0-FZEROI(NW)) |
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| 146 | |
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| 147 | FMNETI(L) = FMNETI(L)+(FMUPI(L)-FMDI(L))* YY |
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| 148 | FMNETI_nu(L,NW) = FMNETI_nu(L,NW)+(FMUPI(L)-FMDI(L))* YY !same by spectral band |
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| 149 | FLUXDNI(L) = FLUXDNI(L) + FMDI(L)* YY |
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| 150 | |
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| 151 | FLUXUPI(L) = FLUXUPI(L) + FMUPI(L)* YY |
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| 152 | FLUXUPI_nu(L,NW) = FLUXUPI_nu(L,NW) + FMUPI(L)* YY !same by spectral band. |
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| 153 | END DO |
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| 154 | |
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| 155 | !fup_tmp(nw)=fup_tmp(nw)+FMUPI(L_NLEVRAD-1)*DWNI(NW)*GWEIGHT(NG) |
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| 156 | !fdn_tmp(nw)=fdn_tmp(nw)+FMDI(L_NLEVRAD-1)*DWNI(NW)*GWEIGHT(NG) |
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| 157 | !fup_tmp(nw)=fup_tmp(nw)+FMUPI(1)*DWNI(NW)*GWEIGHT(NG) |
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| 158 | !fdn_tmp(nw)=fdn_tmp(nw)+FMDI(1)*DWNI(NW)*GWEIGHT(NG) |
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| 159 | |
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| 160 | 30 CONTINUE |
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| 161 | |
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| 162 | END DO !End NGAUSS LOOP |
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| 163 | |
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| 164 | ! print*,'-----------------------------------' |
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| 165 | !print*,'FMDI(',nw,')=',FMDI(L_NLEVRAD-1) |
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| 166 | !print*,'FMUPI(',nw,')=',FMUPI(L_NLEVRAD-1) |
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| 167 | !print*,'DWNI(',nw,')=',DWNI(nw) |
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| 168 | ! print*,'-----------------------------------' |
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| 169 | |
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| 170 | 40 CONTINUE |
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| 171 | |
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| 172 | C SPECIAL 17th Gauss point |
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| 173 | |
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| 174 | ! print*,'fzero for ng=17',fzero |
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| 175 | |
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| 176 | |
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| 177 | NG = L_NGAUSS |
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| 178 | |
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| 179 | TAUTOP = DTAUI(1,NW,NG)*PLEV(2)/(PLEV(4)-PLEV(2)) |
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| 180 | BTOP = (1.0-EXP(-TAUTOP/UBARI))*PLTOP |
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| 181 | |
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| 182 | C WE CAN NOW SOLVE FOR THE COEFFICIENTS OF THE TWO STREAM |
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| 183 | C CALL A SUBROUTINE THAT SOLVES FOR THE FLUX TERMS |
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| 184 | C WITHIN EACH INTERVAL AT THE MIDPOINT WAVENUMBER |
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| 185 | |
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| 186 | |
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| 187 | CALL GFLUXI(NLEVRAD,TLEV,NW,DWNI(NW),DTAUI(1,NW,NG), |
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| 188 | * TAUCUMI(1,NW,NG), |
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| 189 | * WBARI(1,NW,NG),COSBI(1,NW,NG),UBARI,RSFI,BTOP, |
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| 190 | * BSURF,FTOPUP,FMUPI,FMDI) |
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| 191 | |
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| 192 | C NOW CALCULATE THE CUMULATIVE IR NET FLUX |
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| 193 | |
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| 194 | NFLUXTOPI = NFLUXTOPI+FTOPUP*DWNI(NW)*FZERO |
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| 195 | NFLUXTOPI_nu(NW) = NFLUXTOPI_nu(NW)+FTOPUP*DWNI(NW)*FZERO !same by spectral band. |
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| 196 | |
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| 197 | DO L=1,L_NLEVRAD-1 |
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| 198 | |
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| 199 | C CORRECT FOR THE WAVENUMBER INTERVALS |
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| 200 | |
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| 201 | FLUXDNI(L) = FLUXDNI(L) + FMDI(L)*DWNI(NW)*FZERO |
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| 202 | |
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| 203 | XX = (FMUPI(L)-FMDI(L))*DWNI(NW)*FZERO |
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| 204 | FMNETI(L) = FMNETI(L)+ XX |
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| 205 | FMNETI_nu(L,NW) = FMNETI_nu(L,NW)+XX !same by spectral band. |
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| 206 | |
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| 207 | XX= FMUPI(L)*DWNI(NW)*FZERO |
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| 208 | FLUXUPI(L) = FLUXUPI(L) + XX |
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| 209 | FLUXUPI_nu(L,NW) = FLUXUPI_nu(L,NW) + XX !same by spectral band. |
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| 210 | |
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| 211 | END DO |
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| 212 | |
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| 213 | ! print*,'-----------------------------------' |
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| 214 | ! print*,'nw=',nw |
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| 215 | ! print*,'ng=',ng |
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| 216 | ! print*,'FMDI=',FMDI(L_NLEVRAD-1) |
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| 217 | ! print*,'FMUPI=',FMUPI(L_NLEVRAD-1) |
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| 218 | ! print*,'-----------------------------------' |
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| 219 | |
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| 220 | 501 CONTINUE !End Spectral Interval LOOP |
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| 221 | |
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| 222 | C *** END OF MAJOR SPECTRAL INTERVAL LOOP IN THE INFRARED**** |
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| 223 | |
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| 224 | !print*,'-----------------------------------' |
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| 225 | !print*,'gweight=',gweight |
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| 226 | !print*,'FLUXDNI=',FLUXDNI(L_NLEVRAD-1) |
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| 227 | !print*,'FLUXUPI=',FLUXUPI(L_NLEVRAD-1) |
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| 228 | !print*,'-----------------------------------' |
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| 229 | |
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| 230 | !do nw=1,L_NSPECTI |
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| 231 | ! print*,'fup_tmp(',nw,')=',fup_tmp(nw) |
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| 232 | ! print*,'fdn_tmp(',nw,')=',fdn_tmp(nw) |
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| 233 | !enddo |
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| 234 | |
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| 235 | |
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| 236 | RETURN |
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| 237 | END |
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