[224] | 1 | SUBROUTINE OPTCV(DTAUV,TAUV,TAUCUMV,PLEV, & |
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| 2 | QXVAER,QSVAER,GVAER,WBARV,COSBV, & |
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| 3 | TAURAY,TAUAERO,TMID,PMID,TAUGSURF,QVAR,MUVAR) |
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| 4 | |
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| 5 | use radinc_h |
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| 6 | use radcommon_h, only: gasv, tlimit, wrefVAR, Cmk, tgasref, pfgasref,wnov,scalep,indv,glat_ig |
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| 7 | use gases_h |
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| 8 | |
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| 9 | implicit none |
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| 10 | |
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| 11 | !================================================================== |
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| 12 | ! |
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| 13 | ! Purpose |
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| 14 | ! ------- |
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| 15 | ! Calculates shortwave optical constants at each level. |
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| 16 | ! |
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| 17 | ! Authors |
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| 18 | ! ------- |
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| 19 | ! Adapted from the NASA Ames code by R. Wordsworth (2009) |
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| 20 | ! |
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| 21 | !================================================================== |
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| 22 | ! |
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| 23 | ! THIS SUBROUTINE SETS THE OPTICAL CONSTANTS IN THE VISUAL |
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| 24 | ! IT CALCUALTES FOR EACH LAYER, FOR EACH SPECRAL INTERVAL IN THE VISUAL |
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| 25 | ! LAYER: WBAR, DTAU, COSBAR |
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| 26 | ! LEVEL: TAU |
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| 27 | ! |
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| 28 | ! TAUV(L,NW,NG) is the cumulative optical depth at the top of radiation code |
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| 29 | ! layer L. NW is spectral wavelength interval, ng the Gauss point index. |
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| 30 | ! |
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| 31 | ! TLEV(L) - Temperature at the layer boundary |
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| 32 | ! PLEV(L) - Pressure at the layer boundary (i.e. level) |
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| 33 | ! GASV(NT,NPS,NW,NG) - Visible k-coefficients |
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| 34 | ! |
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| 35 | !------------------------------------------------------------------- |
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| 36 | |
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| 37 | !----------------------------------------------------------------------- |
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| 38 | ! INCLUDE "comcstfi.h" |
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| 39 | |
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| 40 | common/comcstfi/pi,rad,g,r,cpp,rcp,dtphys,daysec,mugaz,omeg |
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| 41 | common/comcstfi/avocado!,molrad,visc |
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| 42 | |
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| 43 | real pi,rad,g,r,cpp,rcp,dtphys,daysec,mugaz,omeg |
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| 44 | real avocado!,molrad,visc |
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| 45 | |
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| 46 | ! |
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| 47 | ! For Fortran 77/Fortran 90 compliance always use line continuation |
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| 48 | ! symbols '&' in columns 73 and 6 |
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| 49 | ! |
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| 50 | ! Group commons according to their type for minimal performance impact |
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| 51 | |
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| 52 | COMMON/callkeys_l/callrad,corrk,calldifv,UseTurbDiff,calladj & |
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| 53 | & , co2cond,callsoil & |
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| 54 | & , season,diurnal,tlocked,rings_shadow,lwrite & |
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| 55 | & , callstats,calleofdump & |
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| 56 | & , enertest & |
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| 57 | & , callgasvis,continuum,H2Ocont_simple,graybody & |
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| 58 | & , radfixed & |
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| 59 | & , meanOLR, specOLR & |
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| 60 | & , kastprof & |
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| 61 | & , nosurf, oblate & |
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| 62 | & , newtonian, testradtimes & |
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| 63 | & , check_cpp_match, force_cpp & |
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| 64 | & , rayleigh & |
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| 65 | & , stelbbody & |
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| 66 | & , nearco2cond & |
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| 67 | & , tracer, mass_redistrib, varactive, varfixed & |
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| 68 | & , sedimentation,water,watercond,waterrain & |
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| 69 | & , aeroco2,aeroh2o,aeroh2so4,aeroback2lay & |
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| 70 | & , aerofixco2,aerofixh2o & |
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| 71 | & , hydrology, sourceevol & |
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| 72 | & , CLFvarying & |
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| 73 | & , strictboundcorrk & |
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| 74 | & , ok_slab_ocean & |
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| 75 | & , ok_slab_sic & |
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| 76 | & , ok_slab_heat_transp |
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| 77 | |
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| 78 | |
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| 79 | COMMON/callkeys_i/iaervar,iddist,iradia,startype |
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| 80 | |
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| 81 | COMMON/callkeys_r/topdustref,Nmix_co2,dusttau,Fat1AU,stelTbb, & |
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| 82 | & Tstrat,tplanet,obs_tau_col_tropo, & |
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| 83 | & obs_tau_col_strato,pres_bottom_tropo, & |
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| 84 | & pres_top_tropo,pres_bottom_strato, & |
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| 85 | & pres_top_strato,size_tropo,size_strato,satval, & |
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| 86 | & CLFfixval,n2mixratio,co2supsat,pceil,albedosnow,& |
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| 87 | & maxicethick,Tsaldiff,tau_relax,cloudlvl, & |
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| 88 | & icetstep,intheat,flatten,Rmean,J2,MassPlanet |
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| 89 | |
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| 90 | logical callrad,corrk,calldifv,UseTurbDiff & |
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| 91 | & , calladj,co2cond,callsoil & |
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| 92 | & , season,diurnal,tlocked,rings_shadow,lwrite & |
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| 93 | & , callstats,calleofdump & |
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| 94 | & , callgasvis,continuum,H2Ocont_simple,graybody & |
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| 95 | & , strictboundcorrk |
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| 96 | |
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| 97 | logical enertest |
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| 98 | logical nonideal |
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| 99 | logical meanOLR |
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| 100 | logical specOLR |
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| 101 | logical kastprof |
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| 102 | logical newtonian |
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| 103 | logical check_cpp_match |
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| 104 | logical force_cpp |
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| 105 | logical testradtimes |
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| 106 | logical rayleigh |
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| 107 | logical stelbbody |
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| 108 | logical ozone |
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| 109 | logical nearco2cond |
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| 110 | logical tracer |
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| 111 | logical mass_redistrib |
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| 112 | logical varactive |
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| 113 | logical varfixed |
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| 114 | logical radfixed |
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| 115 | logical sedimentation |
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| 116 | logical water,watercond,waterrain |
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| 117 | logical aeroco2,aeroh2o,aeroh2so4,aeroback2lay |
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| 118 | logical aerofixco2,aerofixh2o |
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| 119 | logical hydrology |
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| 120 | logical sourceevol |
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| 121 | logical CLFvarying |
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| 122 | logical nosurf |
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| 123 | logical oblate |
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| 124 | logical ok_slab_ocean |
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| 125 | logical ok_slab_sic |
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| 126 | logical ok_slab_heat_transp |
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| 127 | |
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| 128 | integer iddist |
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| 129 | integer iaervar |
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| 130 | integer iradia |
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| 131 | integer startype |
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| 132 | |
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| 133 | real topdustref |
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| 134 | real Nmix_co2 |
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| 135 | real dusttau |
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| 136 | real Fat1AU |
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| 137 | real stelTbb |
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| 138 | real Tstrat |
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| 139 | real tplanet |
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| 140 | real obs_tau_col_tropo |
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| 141 | real obs_tau_col_strato |
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| 142 | real pres_bottom_tropo |
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| 143 | real pres_top_tropo |
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| 144 | real pres_bottom_strato |
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| 145 | real pres_top_strato |
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| 146 | real size_tropo |
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| 147 | real size_strato |
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| 148 | real satval |
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| 149 | real CLFfixval |
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| 150 | real n2mixratio |
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| 151 | real co2supsat |
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| 152 | real pceil |
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| 153 | real albedosnow |
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| 154 | real maxicethick |
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| 155 | real Tsaldiff |
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| 156 | real tau_relax |
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| 157 | real cloudlvl |
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| 158 | real icetstep |
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| 159 | real intheat |
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| 160 | real flatten |
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| 161 | real Rmean |
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| 162 | real J2 |
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| 163 | real MassPlanet |
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| 164 | |
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| 165 | |
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| 166 | real*8 DTAUV(L_NLAYRAD,L_NSPECTV,L_NGAUSS) |
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| 167 | real*8 DTAUKV(L_LEVELS+1,L_NSPECTV,L_NGAUSS) |
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| 168 | real*8 TAUV(L_NLEVRAD,L_NSPECTV,L_NGAUSS) |
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| 169 | real*8 TAUCUMV(L_LEVELS,L_NSPECTV,L_NGAUSS) |
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| 170 | real*8 PLEV(L_LEVELS) |
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| 171 | real*8 TMID(L_LEVELS), PMID(L_LEVELS) |
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| 172 | real*8 COSBV(L_NLAYRAD,L_NSPECTV,L_NGAUSS) |
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| 173 | real*8 WBARV(L_NLAYRAD,L_NSPECTV,L_NGAUSS) |
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| 174 | |
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| 175 | ! for aerosols |
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| 176 | real*8 QXVAER(L_LEVELS+1,L_NSPECTV,NAERKIND) |
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| 177 | real*8 QSVAER(L_LEVELS+1,L_NSPECTV,NAERKIND) |
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| 178 | real*8 GVAER(L_LEVELS+1,L_NSPECTV,NAERKIND) |
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| 179 | real*8 TAUAERO(L_LEVELS+1,NAERKIND) |
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| 180 | real*8 TAUAEROLK(L_LEVELS+1,L_NSPECTV,NAERKIND) |
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| 181 | real*8 TAEROS(L_LEVELS,L_NSPECTV,NAERKIND) |
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| 182 | |
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| 183 | integer L, NW, NG, K, LK, IAER |
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| 184 | integer MT(L_LEVELS), MP(L_LEVELS), NP(L_LEVELS) |
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| 185 | real*8 ANS, TAUGAS |
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| 186 | real*8 TAURAY(L_NSPECTV) |
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| 187 | real*8 TRAY(L_LEVELS,L_NSPECTV) |
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| 188 | real*8 TRAYAER |
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| 189 | real*8 DPR(L_LEVELS), U(L_LEVELS) |
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| 190 | real*8 LCOEF(4), LKCOEF(L_LEVELS,4) |
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| 191 | |
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| 192 | real*8 taugsurf(L_NSPECTV,L_NGAUSS-1) |
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| 193 | real*8 DCONT,DAERO |
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| 194 | double precision wn_cont, p_cont, p_air, T_cont, dtemp, dtempc |
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| 195 | double precision p_cross |
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| 196 | |
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| 197 | ! variable species mixing ratio variables |
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| 198 | real*8 QVAR(L_LEVELS), WRATIO(L_LEVELS), MUVAR(L_LEVELS) |
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| 199 | real*8 KCOEF(4) |
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| 200 | integer NVAR(L_LEVELS) |
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| 201 | |
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| 202 | ! temporary variables for multiple aerosol calculation |
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| 203 | real*8 atemp(L_NLAYRAD,L_NSPECTV) |
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| 204 | real*8 btemp(L_NLAYRAD,L_NSPECTV) |
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| 205 | real*8 ctemp(L_NLAYRAD,L_NSPECTV) |
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| 206 | |
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| 207 | ! variables for k in units m^-1 |
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| 208 | real*8 dz(L_LEVELS) |
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| 209 | |
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| 210 | integer igas, jgas |
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| 211 | |
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| 212 | integer interm |
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| 213 | |
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| 214 | !! AS: to save time in computing continuum (see bilinearbig) |
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| 215 | IF (.not.ALLOCATED(indv)) THEN |
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| 216 | ALLOCATE(indv(L_NSPECTV,ngasmx,ngasmx)) |
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| 217 | indv = -9999 ! this initial value means "to be calculated" |
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| 218 | ENDIF |
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| 219 | |
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| 220 | !======================================================================= |
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| 221 | ! Determine the total gas opacity throughout the column, for each |
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| 222 | ! spectral interval, NW, and each Gauss point, NG. |
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| 223 | ! Calculate the continuum opacities, i.e., those that do not depend on |
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| 224 | ! NG, the Gauss index. |
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| 225 | |
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| 226 | taugsurf(:,:) = 0.0 |
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| 227 | dpr(:) = 0.0 |
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| 228 | lkcoef(:,:) = 0.0 |
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| 229 | |
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| 230 | do K=2,L_LEVELS |
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| 231 | DPR(k) = PLEV(K)-PLEV(K-1) |
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| 232 | |
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| 233 | ! if we have continuum opacities, we need dz |
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| 234 | if(kastprof)then |
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| 235 | dz(k) = dpr(k)*(1000.0d0*8.3145d0/muvar(k))*TMID(K)/(g*PMID(K)) |
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| 236 | U(k) = Cmk*DPR(k)*mugaz/muvar(k) |
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| 237 | else |
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| 238 | dz(k) = dpr(k)*R*TMID(K)/(glat_ig*PMID(K))*mugaz/muvar(k) |
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| 239 | U(k) = Cmk*DPR(k)*mugaz/muvar(k) ! only Cmk line in optci.F |
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| 240 | !JL13 the mugaz/muvar factor takes into account water meanmolecular weight if water is present |
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| 241 | endif |
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| 242 | |
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| 243 | call tpindex(PMID(K),TMID(K),QVAR(K),pfgasref,tgasref,WREFVAR, & |
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| 244 | LCOEF,MT(K),MP(K),NVAR(K),WRATIO(K)) |
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| 245 | |
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| 246 | do LK=1,4 |
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| 247 | LKCOEF(K,LK) = LCOEF(LK) |
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| 248 | end do |
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| 249 | end do ! levels |
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| 250 | |
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| 251 | |
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| 252 | do iaer=1,naerkind |
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| 253 | do NW=1,L_NSPECTV |
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| 254 | do K=2,L_LEVELS |
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| 255 | TAEROS(K,NW,IAER) = TAUAERO(K,IAER) * QXVAER(K,NW,IAER) |
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| 256 | end do ! levels |
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| 257 | end do |
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| 258 | end do |
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| 259 | do NW=1,L_NSPECTV |
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| 260 | do K=2,L_LEVELS |
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| 261 | TRAY(K,NW) = TAURAY(NW) * DPR(K) |
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| 262 | end do ! levels |
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| 263 | end do |
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| 264 | |
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| 265 | ! we ignore K=1... |
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| 266 | do K=2,L_LEVELS |
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| 267 | |
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| 268 | do NW=1,L_NSPECTV |
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| 269 | |
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| 270 | TRAYAER = TRAY(K,NW) |
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| 271 | ! TRAYAER is Tau RAYleigh scattering, plus AERosol opacity |
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| 272 | do iaer=1,naerkind |
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| 273 | TRAYAER = TRAYAER + TAEROS(K,NW,IAER) |
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| 274 | end do |
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| 275 | |
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| 276 | DCONT = 0.0 ! continuum absorption |
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| 277 | |
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| 278 | if(continuum.and.(.not.graybody).and.callgasvis)then |
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| 279 | ! include continua if necessary |
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| 280 | wn_cont = dble(wnov(nw)) |
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| 281 | T_cont = dble(TMID(k)) |
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| 282 | do igas=1,ngasmx |
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| 283 | |
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| 284 | if(gfrac(igas).eq.-1)then ! variable |
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| 285 | p_cont = dble(PMID(k)*scalep*QVAR(k)) ! qvar = mol/mol |
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| 286 | else |
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| 287 | p_cont = dble(PMID(k)*scalep*gfrac(igas)*(1.-QVAR(k))) |
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| 288 | endif |
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| 289 | |
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| 290 | dtemp=0.0 |
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| 291 | if(igas.eq.igas_N2)then |
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| 292 | |
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| 293 | interm = indv(nw,igas,igas) |
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| 294 | ! call interpolateN2N2(wn_cont,T_cont,p_cont,dtemp,.false.,interm) |
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| 295 | indv(nw,igas,igas) = interm |
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| 296 | ! only goes to 500 cm^-1, so unless we're around a cold brown dwarf, this is irrelevant in the visible |
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| 297 | |
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| 298 | elseif(igas.eq.igas_H2)then |
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| 299 | |
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| 300 | ! first do self-induced absorption |
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| 301 | interm = indv(nw,igas,igas) |
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| 302 | call interpolateH2H2(wn_cont,T_cont,p_cont,dtemp,.false.,interm) |
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| 303 | indv(nw,igas,igas) = interm |
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| 304 | |
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| 305 | ! then cross-interactions with other gases |
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| 306 | do jgas=1,ngasmx |
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| 307 | p_cross = dble(PMID(k)*scalep*gfrac(jgas)*(1.-QVAR(k))) |
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| 308 | dtempc = 0.0 |
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| 309 | if(jgas.eq.igas_N2)then |
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| 310 | interm = indv(nw,igas,jgas) |
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| 311 | call interpolateN2H2(wn_cont,T_cont,p_cross,p_cont,dtempc,.false.,interm) |
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| 312 | indv(nw,igas,jgas) = interm |
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| 313 | ! should be irrelevant in the visible |
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| 314 | elseif(jgas.eq.igas_He)then |
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| 315 | interm = indv(nw,igas,jgas) |
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| 316 | call interpolateH2He(wn_cont,T_cont,p_cross,p_cont,dtempc,.false.,interm) |
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| 317 | indv(nw,igas,jgas) = interm |
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| 318 | endif |
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| 319 | dtemp = dtemp + dtempc |
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| 320 | enddo |
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| 321 | |
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| 322 | elseif(igas.eq.igas_H2O.and.T_cont.gt.200.0)then |
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| 323 | |
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| 324 | p_air = dble(PMID(k)*scalep) - p_cont ! note assumes background is air! |
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| 325 | if(H2Ocont_simple)then |
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| 326 | call interpolateH2Ocont_PPC(wn_cont,T_cont,p_cont,p_air,dtemp,.false.) |
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| 327 | else |
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| 328 | interm = indv(nw,igas,igas) |
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| 329 | call interpolateH2Ocont_CKD(wn_cont,T_cont,p_cont,p_air,dtemp,.false.,interm) |
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| 330 | indv(nw,igas,igas) = interm |
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| 331 | endif |
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| 332 | |
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| 333 | endif |
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| 334 | |
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| 335 | DCONT = DCONT + dtemp |
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| 336 | |
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| 337 | enddo |
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| 338 | |
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| 339 | DCONT = DCONT*dz(k) |
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| 340 | |
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| 341 | endif |
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| 342 | |
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| 343 | do ng=1,L_NGAUSS-1 |
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| 344 | |
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| 345 | ! Now compute TAUGAS |
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| 346 | |
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| 347 | ! Interpolate between water mixing ratios |
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| 348 | ! WRATIO = 0.0 if the requested water amount is equal to, or outside the |
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| 349 | ! the water data range |
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| 350 | |
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| 351 | if(L_REFVAR.eq.1)then ! added by RW for special no variable case |
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| 352 | KCOEF(1) = GASV(MT(K),MP(K),1,NW,NG) |
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| 353 | KCOEF(2) = GASV(MT(K),MP(K)+1,1,NW,NG) |
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| 354 | KCOEF(3) = GASV(MT(K)+1,MP(K)+1,1,NW,NG) |
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| 355 | KCOEF(4) = GASV(MT(K)+1,MP(K),1,NW,NG) |
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| 356 | else |
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| 357 | |
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| 358 | KCOEF(1) = GASV(MT(K),MP(K),NVAR(K),NW,NG) + WRATIO(K)* & |
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| 359 | (GASV(MT(K),MP(K),NVAR(K)+1,NW,NG) - & |
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| 360 | GASV(MT(K),MP(K),NVAR(K),NW,NG)) |
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| 361 | |
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| 362 | KCOEF(2) = GASV(MT(K),MP(K)+1,NVAR(K),NW,NG) + WRATIO(K)* & |
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| 363 | (GASV(MT(K),MP(K)+1,NVAR(K)+1,NW,NG) - & |
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| 364 | GASV(MT(K),MP(K)+1,NVAR(K),NW,NG)) |
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| 365 | |
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| 366 | KCOEF(3) = GASV(MT(K)+1,MP(K)+1,NVAR(K),NW,NG) + WRATIO(K)*& |
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| 367 | (GASV(MT(K)+1,MP(K)+1,NVAR(K)+1,NW,NG) - & |
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| 368 | GASV(MT(K)+1,MP(K)+1,NVAR(K),NW,NG)) |
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| 369 | |
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| 370 | KCOEF(4) = GASV(MT(K)+1,MP(K),NVAR(K),NW,NG) + WRATIO(K)* & |
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| 371 | (GASV(MT(K)+1,MP(K),NVAR(K)+1,NW,NG) - & |
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| 372 | GASV(MT(K)+1,MP(K),NVAR(K),NW,NG)) |
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| 373 | |
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| 374 | endif |
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| 375 | |
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| 376 | ! Interpolate the gaseous k-coefficients to the requested T,P values |
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| 377 | |
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| 378 | ANS = LKCOEF(K,1)*KCOEF(1) + LKCOEF(K,2)*KCOEF(2) + & |
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| 379 | LKCOEF(K,3)*KCOEF(3) + LKCOEF(K,4)*KCOEF(4) |
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| 380 | |
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| 381 | TAUGAS = U(k)*ANS |
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| 382 | |
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| 383 | TAUGSURF(NW,NG) = TAUGSURF(NW,NG) + TAUGAS + DCONT |
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| 384 | DTAUKV(K,nw,ng) = TAUGAS & |
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| 385 | + TRAYAER & ! TRAYAER includes all scattering contributions |
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| 386 | + DCONT ! For parameterized continuum aborption |
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| 387 | |
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| 388 | end do |
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| 389 | |
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| 390 | ! Now fill in the "clear" part of the spectrum (NG = L_NGAUSS), |
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| 391 | ! which holds continuum opacity only |
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| 392 | |
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| 393 | NG = L_NGAUSS |
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| 394 | DTAUKV(K,nw,ng) = TRAY(K,NW) + DCONT ! For parameterized continuum absorption |
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| 395 | |
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| 396 | do iaer=1,naerkind |
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| 397 | DTAUKV(K,nw,ng) = DTAUKV(K,nw,ng) + TAEROS(K,NW,IAER) |
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| 398 | end do ! a bug was here! |
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| 399 | |
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| 400 | end do |
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| 401 | end do |
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| 402 | |
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| 403 | |
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| 404 | !======================================================================= |
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| 405 | ! Now the full treatment for the layers, where besides the opacity |
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| 406 | ! we need to calculate the scattering albedo and asymmetry factors |
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| 407 | |
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| 408 | do iaer=1,naerkind |
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| 409 | DO NW=1,L_NSPECTV |
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| 410 | DO K=2,L_LEVELS ! AS: shouldn't this be L_LEVELS+1 ? (see optci) |
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| 411 | TAUAEROLK(K,NW,IAER) = TAUAERO(K,IAER) * QSVAER(K,NW,IAER) |
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| 412 | ENDDO |
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| 413 | ENDDO |
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| 414 | end do |
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| 415 | |
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| 416 | DO NW=1,L_NSPECTV |
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| 417 | DO L=1,L_NLAYRAD-1 |
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| 418 | K = 2*L+1 |
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| 419 | atemp(L,NW) = SUM(GVAER(K,NW,1:naerkind) * TAUAEROLK(K,NW,1:naerkind))+SUM(GVAER(K+1,NW,1:naerkind) * TAUAEROLK(K+1,NW,1:naerkind)) |
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| 420 | btemp(L,NW) = SUM(TAUAEROLK(K,NW,1:naerkind)) + SUM(TAUAEROLK(K+1,NW,1:naerkind)) |
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| 421 | ctemp(L,NW) = btemp(L,NW) + 0.9999*(TRAY(K,NW) + TRAY(K+1,NW)) |
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| 422 | btemp(L,NW) = btemp(L,NW) + TRAY(K,NW) + TRAY(K+1,NW) |
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| 423 | COSBV(L,NW,1:L_NGAUSS) = atemp(L,NW)/btemp(L,NW) |
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| 424 | END DO ! L vertical loop |
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| 425 | |
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| 426 | !last level |
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| 427 | L = L_NLAYRAD |
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| 428 | K = 2*L+1 |
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| 429 | atemp(L,NW) = SUM(GVAER(K,NW,1:naerkind) * TAUAEROLK(K,NW,1:naerkind)) |
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| 430 | btemp(L,NW) = SUM(TAUAEROLK(K,NW,1:naerkind)) |
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| 431 | ctemp(L,NW) = btemp(L,NW) + 0.9999*TRAY(K,NW) |
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| 432 | btemp(L,NW) = btemp(L,NW) + TRAY(K,NW) |
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| 433 | COSBV(L,NW,1:L_NGAUSS) = atemp(L,NW)/btemp(L,NW) |
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| 434 | |
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| 435 | |
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| 436 | END DO ! NW spectral loop |
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| 437 | |
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| 438 | DO NG=1,L_NGAUSS |
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| 439 | DO NW=1,L_NSPECTV |
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| 440 | DO L=1,L_NLAYRAD-1 |
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| 441 | |
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| 442 | K = 2*L+1 |
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| 443 | DTAUV(L,nw,ng) = DTAUKV(K,NW,NG) + DTAUKV(K+1,NW,NG) |
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| 444 | WBARV(L,nw,ng) = ctemp(L,NW) / DTAUV(L,nw,ng) |
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| 445 | |
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| 446 | END DO ! L vertical loop |
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| 447 | |
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| 448 | ! No vertical averaging on bottom layer |
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| 449 | |
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| 450 | L = L_NLAYRAD |
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| 451 | K = 2*L+1 |
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| 452 | DTAUV(L,nw,ng) = DTAUKV(K,NW,NG) |
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| 453 | |
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| 454 | WBARV(L,NW,NG) = ctemp(L,NW) / DTAUV(L,NW,NG) |
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| 455 | END DO ! NW spectral loop |
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| 456 | END DO ! NG Gauss loop |
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| 457 | |
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| 458 | ! Total extinction optical depths |
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| 459 | |
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| 460 | DO NG=1,L_NGAUSS ! full gauss loop |
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| 461 | DO NW=1,L_NSPECTV |
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| 462 | TAUV(1,NW,NG)=0.0D0 |
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| 463 | DO L=1,L_NLAYRAD |
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| 464 | TAUV(L+1,NW,NG)=TAUV(L,NW,NG)+DTAUV(L,NW,NG) |
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| 465 | END DO |
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| 466 | |
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| 467 | TAUCUMV(1,NW,NG)=0.0D0 |
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| 468 | DO K=2,L_LEVELS |
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| 469 | TAUCUMV(K,NW,NG)=TAUCUMV(K-1,NW,NG)+DTAUKV(K,NW,NG) |
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| 470 | END DO |
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| 471 | END DO |
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| 472 | END DO ! end full gauss loop |
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| 473 | |
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| 474 | |
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| 475 | return |
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| 476 | |
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| 477 | |
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| 478 | end subroutine optcv |
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