| 1 | subroutine readaerosolstrato(debut) |
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| 2 | |
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| 3 | use netcdf95, only: nf95_close, nf95_gw_var, nf95_inq_dimid, & |
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| 4 | nf95_inq_varid, nf95_open |
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| 5 | use netcdf, only: nf90_get_var, nf90_noerr, nf90_nowrite |
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| 6 | |
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| 7 | USE phys_cal_mod, ONLY : mth_cur |
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| 8 | USE mod_grid_phy_lmdz |
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| 9 | USE mod_phys_lmdz_mpi_data, ONLY : is_mpi_root |
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| 10 | USE mod_phys_lmdz_para |
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| 11 | USE phys_state_var_mod |
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| 12 | USE phys_local_var_mod |
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| 13 | USE aero_mod |
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| 14 | USE dimphy |
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| 15 | |
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| 16 | implicit none |
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| 17 | |
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| 18 | include "YOMCST.h" |
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| 19 | include "dimensions.h" |
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| 20 | |
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| 21 | ! Variable input |
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| 22 | logical debut |
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| 23 | |
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| 24 | ! Variables locales |
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| 25 | integer n_lat ! number of latitudes in the input data |
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| 26 | integer n_lon ! number of longitudes in the input data |
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| 27 | integer n_lev ! number of levels in the input data |
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| 28 | integer n_month ! number of months in the input data |
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| 29 | real, pointer:: latitude(:) |
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| 30 | real, pointer:: longitude(:) |
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| 31 | real, pointer:: time(:) |
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| 32 | real, pointer:: lev(:) |
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| 33 | integer i, k, band, wave |
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| 34 | integer, save :: mth_pre |
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| 35 | |
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| 36 | real, allocatable, dimension(:,:), save :: tau_aer_strat |
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| 37 | !$OMP THREADPRIVATE(tau_aer_strat) |
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| 38 | |
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| 39 | ! Champs reconstitues |
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| 40 | real, allocatable:: tauaerstrat(:, :, :, :) |
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| 41 | real, allocatable:: tauaerstrat_mois(:, :, :) |
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| 42 | real, allocatable:: tauaerstrat_mois_glo(:, :) |
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| 43 | real, allocatable:: tauaerstrat_mois_glo_bands(:,:,:) |
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| 44 | |
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| 45 | ! For NetCDF: |
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| 46 | integer ncid_in ! IDs for input files |
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| 47 | integer varid, ncerr |
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| 48 | |
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| 49 | ! Stratospheric aerosols optical properties |
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| 50 | ! alpha_strat over the 2 bands is normalised by the 550 nm extinction coefficient |
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| 51 | ! alpha_strat_wave is *not* normalised by the 550 nm extinction coefficient |
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| 52 | real, dimension(nbands) :: alpha_strat, piz_strat, cg_strat |
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| 53 | data alpha_strat/0.9922547, 0.7114912 / |
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| 54 | data piz_strat /0.9999998, 0.99762493/ |
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| 55 | data cg_strat /0.73107845,0.73229635/ |
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| 56 | real, dimension(nwave) :: alpha_strat_wave |
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| 57 | data alpha_strat_wave/3.36780953,3.34667683,3.20444202,3.0293026,2.82108808/ |
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| 58 | |
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| 59 | !-------------------------------------------------------- |
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| 60 | |
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| 61 | IF (.not.ALLOCATED(tau_aer_strat)) ALLOCATE(tau_aer_strat(klon,klev)) |
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| 62 | |
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| 63 | IF (is_mpi_root) THEN |
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| 64 | |
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| 65 | IF (debut.OR.mth_cur.NE.mth_pre) THEN |
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| 66 | |
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| 67 | IF (nbands.NE.2) THEN |
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| 68 | print *,'nbands doit etre egal a 2 dans readaerosolstrat' |
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| 69 | STOP |
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| 70 | ENDIF |
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| 71 | |
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| 72 | CALL nf95_open("taustrat.nc", nf90_nowrite, ncid_in) |
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| 73 | |
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| 74 | CALL nf95_inq_varid(ncid_in, "LEV", varid) |
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| 75 | CALL nf95_gw_var(ncid_in, varid, lev) |
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| 76 | n_lev = size(lev) |
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| 77 | IF (n_lev.NE.klev) THEN |
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| 78 | print *,'Le nombre de niveaux n est pas egal a klev' |
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| 79 | STOP |
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| 80 | ENDIF |
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| 81 | |
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| 82 | CALL nf95_inq_varid(ncid_in, "LAT", varid) |
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| 83 | CALL nf95_gw_var(ncid_in, varid, latitude) |
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| 84 | n_lat = size(latitude) |
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| 85 | print *, 'LAT aerosol strato=', n_lat, latitude |
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| 86 | IF (n_lat.NE.jjm+1) THEN |
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| 87 | print *,'Le nombre de lat n est pas egal a jjm+1' |
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| 88 | STOP |
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| 89 | ENDIF |
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| 90 | |
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| 91 | CALL nf95_inq_varid(ncid_in, "LON", varid) |
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| 92 | CALL nf95_gw_var(ncid_in, varid, longitude) |
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| 93 | n_lon = size(longitude) |
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| 94 | print *, 'LON aerosol strato=', n_lon, longitude |
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| 95 | IF (n_lon.NE.iim) THEN |
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| 96 | print *,'Le nombre de lon n est pas egal a iim' |
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| 97 | STOP |
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| 98 | ENDIF |
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| 99 | |
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| 100 | CALL nf95_inq_varid(ncid_in, "TIME", varid) |
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| 101 | CALL nf95_gw_var(ncid_in, varid, time) |
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| 102 | n_month = size(time) |
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| 103 | print *, 'TIME aerosol strato=', n_month, time |
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| 104 | IF (n_month.NE.12) THEN |
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| 105 | print *,'Le nombre de month n est pas egal a 12' |
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| 106 | STOP |
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| 107 | ENDIF |
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| 108 | |
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| 109 | ALLOCATE(tauaerstrat(n_lon, n_lat, n_lev, n_month)) |
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| 110 | ALLOCATE(tauaerstrat_mois(n_lon, n_lat, n_lev)) |
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| 111 | ALLOCATE(tauaerstrat_mois_glo(klon_glo, n_lev)) |
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| 112 | ALLOCATE(tauaerstrat_mois_glo_bands(klon_glo, n_lev,nbands)) |
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| 113 | |
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| 114 | !--reading stratospheric AOD at 550 nm |
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| 115 | CALL nf95_inq_varid(ncid_in, "TAUSTRAT", varid) |
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| 116 | ncerr = nf90_get_var(ncid_in, varid, tauaerstrat) |
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| 117 | print *,'code erreur readaerosolstrato=', ncerr, varid |
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| 118 | |
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| 119 | CALL nf95_close(ncid_in) |
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| 120 | |
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| 121 | !---select the correct month |
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| 122 | IF (mth_cur.LT.1.OR.mth_cur.GT.12) THEN |
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| 123 | print *,'probleme avec le mois dans readaerosolstrat =', mth_cur |
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| 124 | ENDIF |
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| 125 | tauaerstrat_mois(:,:,:) = tauaerstrat(:,:,:,mth_cur) |
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| 126 | |
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| 127 | !---reduce to a klon_glo grid |
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| 128 | CALL grid2dTo1d_glo(tauaerstrat_mois,tauaerstrat_mois_glo) |
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| 129 | |
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| 130 | !--scatter on all proc |
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| 131 | CALL scatter(tauaerstrat_mois_glo,tau_aer_strat) |
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| 132 | |
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| 133 | DEALLOCATE(tauaerstrat) |
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| 134 | DEALLOCATE(tauaerstrat_mois) |
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| 135 | DEALLOCATE(tauaerstrat_mois_glo) |
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| 136 | |
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| 137 | mth_pre=mth_cur |
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| 138 | |
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| 139 | ENDIF !--debut ou nouveau mois |
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| 140 | |
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| 141 | ENDIF !--is_mpi_root |
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| 142 | |
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| 143 | !--total vertical aod at the 5 wavelengths |
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| 144 | DO wave=1, nwave |
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| 145 | DO k=1, klev |
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| 146 | tausum_aero(:,wave,id_strat)=tausum_aero(:,wave,id_strat)+tau_aer_strat(:,k)*alpha_strat_wave(wave)/alpha_strat_wave(2) |
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| 147 | ENDDO |
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| 148 | ENDDO |
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| 149 | |
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| 150 | !--weighted average for cg, piz and tau, adding strat aerosols on top of tropospheric ones |
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| 151 | DO band=1, nbands |
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| 152 | !--anthropogenic aerosols bands 1 and 2 |
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| 153 | cg_aero(:,:,3,band) = ( cg_aero(:,:,3,band)*piz_aero(:,:,3,band)*tau_aero(:,:,3,band) + & |
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| 154 | cg_strat(band)*piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:) ) / & |
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| 155 | MAX( piz_aero(:,:,3,band)*tau_aero(:,:,3,band) + & |
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| 156 | piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:), 1.e-15 ) |
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| 157 | piz_aero(:,:,3,band) = ( piz_aero(:,:,3,band)*tau_aero(:,:,3,band) + & |
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| 158 | piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:) ) / & |
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| 159 | MAX( tau_aero(:,:,3,band) + alpha_strat(band)*tau_aer_strat(:,:), 1.e-15 ) |
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| 160 | tau_aero(:,:,3,band) = tau_aero(:,:,3,band) + alpha_strat(band)*tau_aer_strat(:,:) |
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| 161 | !--natural aerosols bands 1 and 2 |
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| 162 | cg_aero(:,:,2,band) = ( cg_aero(:,:,2,band)*piz_aero(:,:,2,band)*tau_aero(:,:,2,band) + & |
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| 163 | cg_strat(band)*piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:) ) / & |
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| 164 | MAX( piz_aero(:,:,2,band)*tau_aero(:,:,2,band) + & |
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| 165 | piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:), 1.e-15 ) |
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| 166 | piz_aero(:,:,2,band) = ( piz_aero(:,:,2,band)*tau_aero(:,:,2,band) + & |
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| 167 | piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:) ) / & |
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| 168 | MAX( tau_aero(:,:,2,band) + alpha_strat(band)*tau_aer_strat(:,:),1.e-15 ) |
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| 169 | tau_aero(:,:,2,band) = tau_aero(:,:,2,band) + alpha_strat(band)*tau_aer_strat(:,:) |
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| 170 | ENDDO |
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| 171 | |
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| 172 | end subroutine readaerosolstrato |
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