| 1 | ! |
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| 2 | ! $Id: readaerosolstrato2_rrtm.F90 2526 2016-05-26 22:13:40Z oboucher $ |
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| 3 | ! |
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| 4 | SUBROUTINE readaerosolstrato2_rrtm(debut) |
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| 5 | |
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| 6 | USE netcdf95, ONLY: nf95_close, nf95_gw_var, nf95_inq_dimid, & |
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| 7 | nf95_inq_varid, nf95_open |
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| 8 | USE netcdf, ONLY: nf90_get_var, nf90_noerr, nf90_nowrite |
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| 9 | |
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| 10 | USE phys_cal_mod, ONLY : mth_cur |
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| 11 | USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat, klon_glo, grid2dTo1d_glo |
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| 12 | USE mod_phys_lmdz_mpi_data, ONLY : is_mpi_root |
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| 13 | USE mod_phys_lmdz_omp_data, ONLY : is_omp_root |
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| 14 | USE mod_phys_lmdz_para |
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| 15 | USE phys_state_var_mod |
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| 16 | USE phys_local_var_mod |
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| 17 | USE aero_mod |
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| 18 | USE dimphy |
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| 19 | USE YOERAD, ONLY : NLW |
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| 20 | USE YOMCST |
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| 21 | |
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| 22 | IMPLICIT NONE |
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| 23 | |
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| 24 | INCLUDE "clesphys.h" |
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| 25 | |
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| 26 | CHARACTER (len = 80) :: abort_message |
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| 27 | CHARACTER (LEN=20) :: modname = 'readaerosolstrato2' |
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| 28 | |
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| 29 | ! Variable input |
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| 30 | LOGICAL, INTENT(IN) :: debut |
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| 31 | |
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| 32 | ! Variables locales |
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| 33 | INTEGER n_lat ! number of latitudes in the input data |
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| 34 | INTEGER n_lon ! number of longitudes |
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| 35 | INTEGER n_lev ! number of levels in the input data |
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| 36 | INTEGER n_month ! number of months in the input data |
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| 37 | INTEGER n_wav ! number of wavelengths in the input data |
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| 38 | REAL, POINTER:: latitude(:) |
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| 39 | REAL, POINTER:: time(:) |
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| 40 | REAL, POINTER:: lev(:) |
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| 41 | REAL, POINTER:: wav(:) |
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| 42 | INTEGER i,k,wave,band |
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| 43 | INTEGER, SAVE :: mth_pre=1 |
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| 44 | !$OMP THREADPRIVATE(mth_pre) |
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| 45 | |
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| 46 | REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: tau_aer_strat |
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| 47 | REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: piz_aer_strat |
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| 48 | REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: cg_aer_strat |
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| 49 | REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: taulw_aer_strat |
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| 50 | !$OMP THREADPRIVATE(tau_aer_strat,piz_aer_strat,cg_aer_strat,taulw_aer_strat) |
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| 51 | |
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| 52 | ! Champs reconstitues |
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| 53 | REAL, ALLOCATABLE:: tauaerstrat(:, :, :, :) |
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| 54 | REAL, ALLOCATABLE:: pizaerstrat(:, :, :, :) |
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| 55 | REAL, ALLOCATABLE:: cgaerstrat(:, :, :, :) |
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| 56 | REAL, ALLOCATABLE:: taulwaerstrat(:, :, :, :) |
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| 57 | |
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| 58 | REAL, ALLOCATABLE:: tauaerstrat_mois(:, :, :, :) |
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| 59 | REAL, ALLOCATABLE:: pizaerstrat_mois(:, :, :, :) |
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| 60 | REAL, ALLOCATABLE:: cgaerstrat_mois(:, :, :, :) |
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| 61 | REAL, ALLOCATABLE:: taulwaerstrat_mois(:, :, :, :) |
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| 62 | |
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| 63 | REAL, ALLOCATABLE:: tauaerstrat_mois_glo(:, :, :) |
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| 64 | REAL, ALLOCATABLE:: pizaerstrat_mois_glo(:, :, :) |
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| 65 | REAL, ALLOCATABLE:: cgaerstrat_mois_glo(:, :, :) |
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| 66 | REAL, ALLOCATABLE:: taulwaerstrat_mois_glo(:, :, :) |
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| 67 | |
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| 68 | ! For NetCDF: |
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| 69 | INTEGER ncid_in ! IDs for input files |
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| 70 | INTEGER varid, ncerr |
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| 71 | |
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| 72 | !-------------------------------------------------------- |
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| 73 | |
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| 74 | IF (.not.ALLOCATED(tau_aer_strat)) ALLOCATE(tau_aer_strat(klon,klev,NSW)) |
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| 75 | IF (.not.ALLOCATED(piz_aer_strat)) ALLOCATE(piz_aer_strat(klon,klev,NSW)) |
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| 76 | IF (.not.ALLOCATED(cg_aer_strat)) ALLOCATE(cg_aer_strat(klon,klev,NSW)) |
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| 77 | |
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| 78 | IF (.not.ALLOCATED(taulw_aer_strat)) ALLOCATE(taulw_aer_strat(klon,klev,NLW)) |
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| 79 | |
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| 80 | !--we only read monthly strat aerosol data |
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| 81 | IF (debut.OR.mth_cur.NE.mth_pre) THEN |
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| 82 | |
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| 83 | !--only root reads the data |
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| 84 | IF (is_mpi_root.AND.is_omp_root) THEN |
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| 85 | |
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| 86 | !--check mth_cur |
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| 87 | IF (mth_cur.LT.1.OR.mth_cur.GT.12) THEN |
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| 88 | print *,'probleme avec le mois dans readaerosolstrat =', mth_cur |
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| 89 | ENDIF |
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| 90 | |
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| 91 | !--initialize n_lon as input data is 2D (lat-alt) only |
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| 92 | n_lon = nbp_lon |
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| 93 | |
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| 94 | !--Starts with SW optical properties |
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| 95 | |
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| 96 | CALL nf95_open("tauswstrat.2D.nc", nf90_nowrite, ncid_in) |
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| 97 | |
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| 98 | CALL nf95_inq_varid(ncid_in, "LEV", varid) |
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| 99 | CALL nf95_gw_var(ncid_in, varid, lev) |
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| 100 | n_lev = size(lev) |
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| 101 | IF (n_lev.NE.klev) THEN |
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| 102 | abort_message='Le nombre de niveaux n est pas egal a klev' |
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| 103 | CALL abort_physic(modname,abort_message,1) |
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| 104 | ENDIF |
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| 105 | |
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| 106 | CALL nf95_inq_varid(ncid_in, "LAT", varid) |
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| 107 | CALL nf95_gw_var(ncid_in, varid, latitude) |
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| 108 | n_lat = size(latitude) |
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| 109 | IF (n_lat.NE.nbp_lat) THEN |
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| 110 | print *, 'latitude=', n_lat, nbp_lat |
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| 111 | abort_message='Le nombre de lat n est pas egal a nbp_lat' |
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| 112 | CALL abort_physic(modname,abort_message,1) |
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| 113 | ENDIF |
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| 114 | |
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| 115 | CALL nf95_inq_varid(ncid_in, "TIME", varid) |
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| 116 | CALL nf95_gw_var(ncid_in, varid, time) |
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| 117 | n_month = size(time) |
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| 118 | IF (n_month.NE.12) THEN |
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| 119 | abort_message='Le nombre de month n est pas egal a 12' |
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| 120 | CALL abort_physic(modname,abort_message,1) |
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| 121 | ENDIF |
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| 122 | |
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| 123 | CALL nf95_inq_varid(ncid_in, "WAV", varid) |
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| 124 | CALL nf95_gw_var(ncid_in, varid, wav) |
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| 125 | n_wav = size(wav) |
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| 126 | print *, 'WAV aerosol strato=', n_wav, wav |
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| 127 | IF (n_wav.NE.NSW) THEN |
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| 128 | abort_message='Le nombre de wav n est pas egal a NSW' |
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| 129 | CALL abort_physic(modname,abort_message,1) |
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| 130 | ENDIF |
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| 131 | |
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| 132 | ALLOCATE(tauaerstrat(n_lat, n_lev, n_wav, n_month)) |
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| 133 | ALLOCATE(pizaerstrat(n_lat, n_lev, n_wav, n_month)) |
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| 134 | ALLOCATE(cgaerstrat(n_lat, n_lev, n_wav, n_month)) |
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| 135 | |
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| 136 | ALLOCATE(tauaerstrat_mois(n_lon, n_lat, n_lev, n_wav)) |
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| 137 | ALLOCATE(pizaerstrat_mois(n_lon, n_lat, n_lev, n_wav)) |
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| 138 | ALLOCATE(cgaerstrat_mois(n_lon, n_lat, n_lev, n_wav)) |
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| 139 | |
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| 140 | ALLOCATE(tauaerstrat_mois_glo(klon_glo, n_lev, n_wav)) |
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| 141 | ALLOCATE(pizaerstrat_mois_glo(klon_glo, n_lev, n_wav)) |
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| 142 | ALLOCATE(cgaerstrat_mois_glo(klon_glo, n_lev, n_wav)) |
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| 143 | |
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| 144 | !--reading stratospheric aerosol tau per layer |
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| 145 | CALL nf95_inq_varid(ncid_in, "TAU_SUN", varid) |
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| 146 | ncerr = nf90_get_var(ncid_in, varid, tauaerstrat) |
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| 147 | print *,'code erreur readaerosolstrato=', ncerr, varid |
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| 148 | |
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| 149 | !--reading stratospheric aerosol omega per layer |
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| 150 | CALL nf95_inq_varid(ncid_in, "OME_SUN", varid) |
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| 151 | ncerr = nf90_get_var(ncid_in, varid, pizaerstrat) |
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| 152 | print *,'code erreur readaerosolstrato=', ncerr, varid |
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| 153 | |
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| 154 | !--reading stratospheric aerosol g per layer |
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| 155 | CALL nf95_inq_varid(ncid_in, "GGG_SUN", varid) |
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| 156 | ncerr = nf90_get_var(ncid_in, varid, cgaerstrat) |
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| 157 | print *,'code erreur readaerosolstrato sw=', ncerr, varid |
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| 158 | |
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| 159 | CALL nf95_close(ncid_in) |
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| 160 | |
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| 161 | !--select the correct month |
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| 162 | !--and copy into 1st longitude |
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| 163 | tauaerstrat_mois(1,:,:,:) = tauaerstrat(:,:,:,mth_cur) |
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| 164 | pizaerstrat_mois(1,:,:,:) = pizaerstrat(:,:,:,mth_cur) |
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| 165 | cgaerstrat_mois(1,:,:,:) = cgaerstrat(:,:,:,mth_cur) |
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| 166 | |
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| 167 | !--copy longitudes |
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| 168 | DO i=2, n_lon |
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| 169 | tauaerstrat_mois(i,:,:,:) = tauaerstrat_mois(1,:,:,:) |
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| 170 | pizaerstrat_mois(i,:,:,:) = pizaerstrat_mois(1,:,:,:) |
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| 171 | cgaerstrat_mois(i,:,:,:) = cgaerstrat_mois(1,:,:,:) |
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| 172 | ENDDO |
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| 173 | |
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| 174 | !---reduce to a klon_glo grid |
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| 175 | DO band=1, NSW |
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| 176 | CALL grid2dTo1d_glo(tauaerstrat_mois(:,:,:,band),tauaerstrat_mois_glo(:,:,band)) |
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| 177 | CALL grid2dTo1d_glo(pizaerstrat_mois(:,:,:,band),pizaerstrat_mois_glo(:,:,band)) |
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| 178 | CALL grid2dTo1d_glo(cgaerstrat_mois(:,:,:,band),cgaerstrat_mois_glo(:,:,band)) |
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| 179 | ENDDO |
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| 180 | |
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| 181 | !--Now LW optical properties |
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| 182 | ! |
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| 183 | CALL nf95_open("taulwstrat.2D.nc", nf90_nowrite, ncid_in) |
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| 184 | |
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| 185 | CALL nf95_inq_varid(ncid_in, "LEV", varid) |
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| 186 | CALL nf95_gw_var(ncid_in, varid, lev) |
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| 187 | n_lev = size(lev) |
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| 188 | IF (n_lev.NE.klev) THEN |
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| 189 | abort_message='Le nombre de niveaux n est pas egal a klev' |
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| 190 | CALL abort_physic(modname,abort_message,1) |
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| 191 | ENDIF |
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| 192 | |
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| 193 | CALL nf95_inq_varid(ncid_in, "LAT", varid) |
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| 194 | CALL nf95_gw_var(ncid_in, varid, latitude) |
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| 195 | n_lat = size(latitude) |
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| 196 | IF (n_lat.NE.nbp_lat) THEN |
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| 197 | abort_message='Le nombre de lat n est pas egal a nbp_lat' |
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| 198 | CALL abort_physic(modname,abort_message,1) |
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| 199 | ENDIF |
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| 200 | |
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| 201 | CALL nf95_inq_varid(ncid_in, "TIME", varid) |
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| 202 | CALL nf95_gw_var(ncid_in, varid, time) |
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| 203 | n_month = size(time) |
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| 204 | IF (n_month.NE.12) THEN |
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| 205 | abort_message='Le nombre de month n est pas egal a 12' |
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| 206 | CALL abort_physic(modname,abort_message,1) |
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| 207 | ENDIF |
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| 208 | |
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| 209 | CALL nf95_inq_varid(ncid_in, "WAV", varid) |
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| 210 | CALL nf95_gw_var(ncid_in, varid, wav) |
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| 211 | n_wav = size(wav) |
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| 212 | print *, 'WAV aerosol strato=', n_wav, wav |
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| 213 | IF (n_wav.NE.NLW) THEN |
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| 214 | abort_message='Le nombre de wav n est pas egal a NLW' |
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| 215 | CALL abort_physic(modname,abort_message,1) |
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| 216 | ENDIF |
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| 217 | |
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| 218 | ALLOCATE(taulwaerstrat(n_lat, n_lev, n_wav, n_month)) |
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| 219 | ALLOCATE(taulwaerstrat_mois(n_lon, n_lat, n_lev, n_wav)) |
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| 220 | ALLOCATE(taulwaerstrat_mois_glo(klon_glo, n_lev, n_wav)) |
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| 221 | |
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| 222 | !--reading stratospheric aerosol lw tau per layer |
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| 223 | CALL nf95_inq_varid(ncid_in, "TAU_EAR", varid) |
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| 224 | ncerr = nf90_get_var(ncid_in, varid, taulwaerstrat) |
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| 225 | print *,'code erreur readaerosolstrato lw=', ncerr, varid |
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| 226 | |
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| 227 | CALL nf95_close(ncid_in) |
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| 228 | |
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| 229 | !--select the correct month |
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| 230 | !--and copy into 1st longitude |
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| 231 | taulwaerstrat_mois(1,:,:,:) = taulwaerstrat(:,:,:,mth_cur) |
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| 232 | !--copy longitudes |
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| 233 | DO i=2, n_lon |
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| 234 | taulwaerstrat_mois(i,:,:,:) = taulwaerstrat_mois(1,:,:,:) |
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| 235 | ENDDO |
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| 236 | |
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| 237 | !---reduce to a klon_glo grid |
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| 238 | DO band=1, NLW |
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| 239 | CALL grid2dTo1d_glo(taulwaerstrat_mois(:,:,:,band),taulwaerstrat_mois_glo(:,:,band)) |
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| 240 | ENDDO |
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| 241 | |
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| 242 | ELSE !--proc other than mpi_root and omp_root |
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| 243 | !--dummy allocation needed for debug mode |
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| 244 | |
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| 245 | ALLOCATE(tauaerstrat_mois_glo(1,1,1)) |
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| 246 | ALLOCATE(pizaerstrat_mois_glo(1,1,1)) |
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| 247 | ALLOCATE(cgaerstrat_mois_glo(1,1,1)) |
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| 248 | ALLOCATE(taulwaerstrat_mois_glo(1,1,1)) |
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| 249 | |
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| 250 | ENDIF !--is_mpi_root and is_omp_root |
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| 251 | |
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| 252 | !$OMP BARRIER |
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| 253 | |
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| 254 | !--keep memory of previous month |
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| 255 | mth_pre=mth_cur |
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| 256 | |
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| 257 | !--scatter on all proc |
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| 258 | CALL scatter(tauaerstrat_mois_glo,tau_aer_strat) |
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| 259 | CALL scatter(pizaerstrat_mois_glo,piz_aer_strat) |
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| 260 | CALL scatter(cgaerstrat_mois_glo,cg_aer_strat) |
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| 261 | CALL scatter(taulwaerstrat_mois_glo,taulw_aer_strat) |
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| 262 | |
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| 263 | IF (is_mpi_root.AND.is_omp_root) THEN |
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| 264 | ! |
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| 265 | DEALLOCATE(tauaerstrat, pizaerstrat, cgaerstrat) |
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| 266 | DEALLOCATE(tauaerstrat_mois, pizaerstrat_mois, cgaerstrat_mois) |
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| 267 | DEALLOCATE(taulwaerstrat,taulwaerstrat_mois) |
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| 268 | ! |
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| 269 | ENDIF !--is_mpi_root and is_omp_root |
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| 270 | |
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| 271 | DEALLOCATE(tauaerstrat_mois_glo,pizaerstrat_mois_glo,cgaerstrat_mois_glo) |
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| 272 | DEALLOCATE(taulwaerstrat_mois_glo) |
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| 273 | |
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| 274 | !$OMP BARRIER |
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| 275 | |
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| 276 | ENDIF !--debut ou nouveau mois |
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| 277 | |
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| 278 | !--total vertical aod at the 5 SW wavelengths |
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| 279 | !--for now use band 3 AOD into all 5 wavelengths |
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| 280 | !--it is only a reasonable approximation for 550 nm (wave=2) |
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| 281 | band=3 |
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| 282 | DO i=1, klon |
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| 283 | DO k=1, klev |
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| 284 | IF (stratomask(i,k).GT.0.999999) THEN |
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| 285 | DO wave=1, nwave_sw |
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| 286 | tausum_aero(i,wave,id_STRAT_phy)=tausum_aero(i,wave,id_STRAT_phy)+tau_aer_strat(i,k,band) |
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| 287 | ENDDO |
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| 288 | ENDIF |
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| 289 | ENDDO |
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| 290 | ENDDO |
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| 291 | |
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| 292 | !--weighted average for cg, piz and tau, adding strat aerosols on top of tropospheric ones |
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| 293 | DO band=1, NSW |
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| 294 | WHERE (stratomask.GT.0.999999) |
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| 295 | !--anthropogenic aerosols bands 1 to NSW |
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| 296 | cg_aero_sw_rrtm(:,:,2,band) = ( cg_aero_sw_rrtm(:,:,2,band)*piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) + & |
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| 297 | cg_aer_strat(:,:,band)*piz_aer_strat(:,:,band)*tau_aer_strat(:,:,band) ) / & |
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| 298 | MAX( piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) + & |
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| 299 | piz_aer_strat(:,:,band)*tau_aer_strat(:,:,band), 1.e-15 ) |
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| 300 | piz_aero_sw_rrtm(:,:,2,band) = ( piz_aero_sw_rrtm(:,:,2,band)*tau_aero_sw_rrtm(:,:,2,band) + & |
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| 301 | piz_aer_strat(:,:,band)*tau_aer_strat(:,:,band) ) / & |
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| 302 | MAX( tau_aero_sw_rrtm(:,:,2,band) + tau_aer_strat(:,:,band), 1.e-15 ) |
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| 303 | tau_aero_sw_rrtm(:,:,2,band) = tau_aero_sw_rrtm(:,:,2,band) + tau_aer_strat(:,:,band) |
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| 304 | !--natural aerosols bands 1 to NSW |
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| 305 | cg_aero_sw_rrtm(:,:,1,band) = ( cg_aero_sw_rrtm(:,:,1,band)*piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) + & |
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| 306 | cg_aer_strat(:,:,band)*piz_aer_strat(:,:,band)*tau_aer_strat(:,:,band) ) / & |
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| 307 | MAX( piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) + & |
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| 308 | piz_aer_strat(:,:,band)*tau_aer_strat(:,:,band), 1.e-15 ) |
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| 309 | piz_aero_sw_rrtm(:,:,1,band) = ( piz_aero_sw_rrtm(:,:,1,band)*tau_aero_sw_rrtm(:,:,1,band) + & |
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| 310 | piz_aer_strat(:,:,band)*tau_aer_strat(:,:,band) ) / & |
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| 311 | MAX( tau_aero_sw_rrtm(:,:,1,band) + tau_aer_strat(:,:,band), 1.e-15 ) |
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| 312 | tau_aero_sw_rrtm(:,:,1,band) = tau_aero_sw_rrtm(:,:,1,band) + tau_aer_strat(:,:,band) |
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| 313 | !--no stratospheric aerosol in index 1 for these tests |
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| 314 | ! cg_aero_sw_rrtm(:,:,1,band) = cg_aero_sw_rrtm(:,:,1,band) |
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| 315 | ! piz_aero_sw_rrtm(:,:,1,band) = piz_aero_sw_rrtm(:,:,1,band) |
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| 316 | ! tau_aero_sw_rrtm(:,:,1,band) = tau_aero_sw_rrtm(:,:,1,band) |
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| 317 | ENDWHERE |
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| 318 | ENDDO |
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| 319 | |
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| 320 | !--total vertical aod at 10 um |
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| 321 | !--this is approximated from band 7 of RRTM |
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| 322 | band=7 |
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| 323 | DO i=1, klon |
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| 324 | DO k=1, klev |
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| 325 | IF (stratomask(i,k).GT.0.999999) THEN |
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| 326 | DO wave=1, nwave_lw |
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| 327 | tausum_aero(i,nwave_sw+wave,id_STRAT_phy)=tausum_aero(i,nwave_sw+wave,id_STRAT_phy)+taulw_aer_strat(i,k,band) |
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| 328 | ENDDO |
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| 329 | ENDIF |
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| 330 | ENDDO |
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| 331 | ENDDO |
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| 332 | |
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| 333 | DO band=1, NLW |
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| 334 | WHERE (stratomask.GT.0.999999) |
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| 335 | tau_aero_lw_rrtm(:,:,2,band) = tau_aero_lw_rrtm(:,:,2,band) + taulw_aer_strat(:,:,band) |
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| 336 | tau_aero_lw_rrtm(:,:,1,band) = tau_aero_lw_rrtm(:,:,1,band) + taulw_aer_strat(:,:,band) |
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| 337 | !--no stratospheric aerosols in index 1 for these tests |
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| 338 | ! tau_aero_lw_rrtm(:,:,1,band) = tau_aero_lw_rrtm(:,:,1,band) |
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| 339 | ENDWHERE |
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| 340 | ENDDO |
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| 341 | |
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| 342 | !--default SSA value if there is no aerosol |
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| 343 | !--to avoid 0 values that seems to cause some problem to RRTM |
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| 344 | WHERE (tau_aero_sw_rrtm.LT.1.e-14) |
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| 345 | piz_aero_sw_rrtm = 1.0 |
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| 346 | ENDWHERE |
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| 347 | |
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| 348 | !--in principle this should not be necessary |
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| 349 | !--as these variables have min values already but just in case |
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| 350 | !--put 1e-15 min value to both SW and LW AOD |
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| 351 | tau_aero_sw_rrtm = MAX(tau_aero_sw_rrtm,1.e-15) |
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| 352 | tau_aero_lw_rrtm = MAX(tau_aero_lw_rrtm,1.e-15) |
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| 353 | |
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| 354 | END SUBROUTINE readaerosolstrato2_rrtm |
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