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, ONLY: nbp_lon, nbp_lat, klon_glo, & |
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9 | grid2dto1d_glo |
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10 | USE mod_phys_lmdz_mpi_data, ONLY : is_mpi_root |
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11 | USE mod_phys_lmdz_omp_data, ONLY : is_omp_root |
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12 | USE mod_phys_lmdz_para |
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13 | USE phys_state_var_mod |
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14 | USE phys_local_var_mod |
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15 | USE aero_mod |
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16 | USE dimphy |
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17 | |
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18 | implicit none |
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19 | |
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20 | include "YOMCST.h" |
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21 | |
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22 | ! Variable input |
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23 | logical debut |
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24 | |
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25 | ! Variables locales |
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26 | integer n_lat ! number of latitudes in the input data |
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27 | integer n_lon ! number of longitudes in the input data |
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28 | integer n_lev ! number of levels in the input data |
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29 | integer n_month ! number of months in the input data |
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30 | real, pointer:: latitude(:) |
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31 | real, pointer:: longitude(:) |
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32 | real, pointer:: time(:) |
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33 | real, pointer:: lev(:) |
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34 | integer i, k, band, wave |
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35 | integer, save :: mth_pre=1 |
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36 | !$OMP THREADPRIVATE(mth_pre) |
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37 | |
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38 | real, allocatable, dimension(:,:), save :: tau_aer_strat |
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39 | !$OMP THREADPRIVATE(tau_aer_strat) |
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40 | |
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41 | ! Champs reconstitues |
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42 | real, allocatable:: tauaerstrat(:, :, :, :) |
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43 | real, allocatable:: tauaerstrat_mois(:, :, :) |
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44 | real, allocatable:: tauaerstrat_mois_glo(:, :) |
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45 | |
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46 | ! For NetCDF: |
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47 | integer ncid_in ! IDs for input files |
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48 | integer varid, ncerr |
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49 | |
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50 | ! Stratospheric aerosols optical properties |
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51 | ! alpha_strat over the 2 bands is normalised by the 550 nm extinction coefficient |
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52 | ! alpha_strat_wave is *not* normalised by the 550 nm extinction coefficient |
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53 | real, dimension(nbands) :: alpha_strat, piz_strat, cg_strat |
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54 | data alpha_strat/0.9922547, 0.7114912 / |
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55 | data piz_strat /0.9999998, 0.99762493/ |
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56 | data cg_strat /0.73107845,0.73229635/ |
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57 | real, dimension(nwave_sw) :: alpha_strat_wave |
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58 | data alpha_strat_wave/3.36780953,3.34667683,3.20444202,3.0293026,2.82108808/ |
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59 | |
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60 | !-------------------------------------------------------- |
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61 | |
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62 | IF (.not.ALLOCATED(tau_aer_strat)) ALLOCATE(tau_aer_strat(klon,klev)) |
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63 | |
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64 | !--only read file if beginning of run or start of new month |
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65 | IF (debut.OR.mth_cur.NE.mth_pre) THEN |
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66 | |
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67 | !--only root reads |
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68 | IF (is_mpi_root.AND.is_omp_root) THEN |
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69 | |
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70 | IF (nbands.NE.2) THEN |
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71 | print *,'nbands doit etre egal a 2 dans readaerosolstrat' |
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72 | STOP |
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73 | ENDIF |
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74 | |
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75 | CALL nf95_open("taustrat.nc", nf90_nowrite, ncid_in) |
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76 | |
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77 | CALL nf95_inq_varid(ncid_in, "LEV", varid) |
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78 | CALL nf95_gw_var(ncid_in, varid, lev) |
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79 | n_lev = size(lev) |
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80 | IF (n_lev.NE.klev) THEN |
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81 | print *,'Le nombre de niveaux n est pas egal a klev' |
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82 | STOP |
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83 | ENDIF |
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84 | |
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85 | CALL nf95_inq_varid(ncid_in, "LAT", varid) |
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86 | CALL nf95_gw_var(ncid_in, varid, latitude) |
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87 | n_lat = size(latitude) |
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88 | print *, 'LAT aerosol strato=', n_lat, latitude |
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89 | IF (n_lat.NE.nbp_lat) THEN |
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90 | print *,'Le nombre de lat n est pas egal a nbp_lat' |
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91 | STOP |
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92 | ENDIF |
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93 | |
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94 | CALL nf95_inq_varid(ncid_in, "LON", varid) |
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95 | CALL nf95_gw_var(ncid_in, varid, longitude) |
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96 | n_lon = size(longitude) |
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97 | print *, 'LON aerosol strato=', n_lon, longitude |
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98 | IF (n_lon.NE.nbp_lon) THEN |
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99 | print *,'Le nombre de lon n est pas egal a nbp_lon' |
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100 | STOP |
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101 | ENDIF |
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102 | |
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103 | CALL nf95_inq_varid(ncid_in, "TIME", varid) |
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104 | CALL nf95_gw_var(ncid_in, varid, time) |
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105 | n_month = size(time) |
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106 | print *, 'TIME aerosol strato=', n_month, time |
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107 | IF (n_month.NE.12) THEN |
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108 | print *,'Le nombre de month n est pas egal a 12' |
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109 | STOP |
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110 | ENDIF |
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111 | |
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112 | IF (.not.ALLOCATED(tauaerstrat)) ALLOCATE(tauaerstrat(n_lon, n_lat, n_lev, n_month)) |
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113 | IF (.not.ALLOCATED(tauaerstrat_mois)) ALLOCATE(tauaerstrat_mois(n_lon, n_lat, n_lev)) |
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114 | IF (.not.ALLOCATED(tauaerstrat_mois_glo)) ALLOCATE(tauaerstrat_mois_glo(klon_glo, n_lev)) |
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115 | |
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116 | !--reading stratospheric AOD at 550 nm |
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117 | CALL nf95_inq_varid(ncid_in, "TAUSTRAT", varid) |
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118 | ncerr = nf90_get_var(ncid_in, varid, tauaerstrat) |
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119 | print *,'code erreur readaerosolstrato=', ncerr, varid |
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120 | |
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121 | CALL nf95_close(ncid_in) |
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122 | |
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123 | !---select the correct month |
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124 | IF (mth_cur.LT.1.OR.mth_cur.GT.12) THEN |
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125 | print *,'probleme avec le mois dans readaerosolstrat =', mth_cur |
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126 | ENDIF |
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127 | tauaerstrat_mois(:,:,:) = tauaerstrat(:,:,:,mth_cur) |
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128 | |
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129 | !---reduce to a klon_glo grid |
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130 | CALL grid2dTo1d_glo(tauaerstrat_mois,tauaerstrat_mois_glo) |
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131 | |
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132 | ENDIF !--is_mpi_root and is_omp_root |
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133 | |
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134 | !$OMP BARRIER |
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135 | |
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136 | !--scatter on all proc |
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137 | CALL scatter(tauaerstrat_mois_glo,tau_aer_strat) |
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138 | |
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139 | !--keep memory of previous month |
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140 | mth_pre=mth_cur |
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141 | ! |
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142 | IF (is_mpi_root.AND.is_omp_root) THEN |
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143 | ! |
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144 | DEALLOCATE(tauaerstrat) |
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145 | DEALLOCATE(tauaerstrat_mois) |
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146 | DEALLOCATE(tauaerstrat_mois_glo) |
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147 | ! |
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148 | ENDIF !-is_mpi_root and is_omp_root |
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149 | |
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150 | !$OMP BARRIER |
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151 | |
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152 | ENDIF !--debut ou nouveau mois |
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153 | |
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154 | !--total vertical aod at the 6 wavelengths |
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155 | DO wave=1, nwave_sw |
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156 | DO k=1, klev |
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157 | tausum_aero(:,wave,id_STRAT_phy)=tausum_aero(:,wave,id_STRAT_phy)+tau_aer_strat(:,k)*alpha_strat_wave(wave)/alpha_strat_wave(2) |
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158 | ENDDO |
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159 | ENDDO |
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160 | |
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161 | !--weighted average for cg, piz and tau, adding strat aerosols on top of tropospheric ones |
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162 | DO band=1, nbands |
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163 | !--anthropogenic aerosols bands 1 and 2 |
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164 | cg_aero(:,:,3,band) = ( cg_aero(:,:,3,band)*piz_aero(:,:,3,band)*tau_aero(:,:,3,band) + & |
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165 | cg_strat(band)*piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:) ) / & |
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166 | MAX( piz_aero(:,:,3,band)*tau_aero(:,:,3,band) + & |
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167 | piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:), 1.e-15 ) |
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168 | piz_aero(:,:,3,band) = ( piz_aero(:,:,3,band)*tau_aero(:,:,3,band) + & |
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169 | piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:) ) / & |
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170 | MAX( tau_aero(:,:,3,band) + alpha_strat(band)*tau_aer_strat(:,:), 1.e-15 ) |
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171 | tau_aero(:,:,3,band) = tau_aero(:,:,3,band) + alpha_strat(band)*tau_aer_strat(:,:) |
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172 | !--natural aerosols bands 1 and 2 |
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173 | cg_aero(:,:,2,band) = ( cg_aero(:,:,2,band)*piz_aero(:,:,2,band)*tau_aero(:,:,2,band) + & |
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174 | cg_strat(band)*piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:) ) / & |
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175 | MAX( piz_aero(:,:,2,band)*tau_aero(:,:,2,band) + & |
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176 | piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:), 1.e-15 ) |
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177 | piz_aero(:,:,2,band) = ( piz_aero(:,:,2,band)*tau_aero(:,:,2,band) + & |
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178 | piz_strat(band)*alpha_strat(band)*tau_aer_strat(:,:) ) / & |
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179 | MAX( tau_aero(:,:,2,band) + alpha_strat(band)*tau_aer_strat(:,:),1.e-15 ) |
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180 | tau_aero(:,:,2,band) = tau_aero(:,:,2,band) + alpha_strat(band)*tau_aer_strat(:,:) |
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181 | ENDDO |
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182 | |
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183 | end subroutine readaerosolstrato |
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