1 | MODULE tracco2i_mod |
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2 | ! |
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3 | ! This module does the work for the interactive CO2 tracers |
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4 | ! |
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5 | CONTAINS |
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6 | |
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7 | SUBROUTINE tracco2i(pdtphys, debutphy, & |
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8 | xlat, xlon, pphis, pphi, & |
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9 | t_seri, pplay, paprs, tr_seri, source) |
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10 | |
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11 | USE dimphy |
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12 | USE infotrac_phy |
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13 | USE geometry_mod, ONLY: cell_area |
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14 | USE carbon_cycle_mod, ONLY: id_CO2, nbcf_in, fields_in, cfname_in |
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15 | USE carbon_cycle_mod, ONLY: fco2_ocn_day, fco2_ff, fco2_bb, fco2_land, fco2_ocean |
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16 | USE carbon_cycle_mod, ONLY: carbon_cycle_tr, carbon_cycle_rad, RCO2_glo, RCO2_tot |
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17 | USE mod_grid_phy_lmdz |
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18 | USE mod_phys_lmdz_mpi_data, ONLY: is_mpi_root |
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19 | USE mod_phys_lmdz_para, ONLY: gather, bcast, scatter |
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20 | USE phys_cal_mod |
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21 | USE phys_state_var_mod, ONLY: pctsrf |
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22 | USE indice_sol_mod, ONLY: nbsrf, is_ter, is_lic, is_oce, is_sic |
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23 | |
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24 | IMPLICIT NONE |
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25 | |
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26 | INCLUDE "clesphys.h" |
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27 | INCLUDE "YOMCST.h" |
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28 | |
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29 | ! Input argument |
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30 | !--------------- |
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31 | REAL,INTENT(IN) :: pdtphys ! Pas d'integration pour la physique (seconde) |
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32 | LOGICAL,INTENT(IN) :: debutphy ! le flag de l'initialisation de la physique |
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33 | |
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34 | REAL,DIMENSION(klon),INTENT(IN) :: xlat ! latitudes pour chaque point |
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35 | REAL,DIMENSION(klon),INTENT(IN) :: xlon ! longitudes pour chaque point |
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36 | REAL,DIMENSION(klon),INTENT(IN) :: pphis ! geopotentiel du sol |
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37 | REAL,DIMENSION(klon,klev),INTENT(IN) :: pphi ! geopotentiel de chaque couche |
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38 | |
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39 | REAL,DIMENSION(klon,klev),INTENT(IN) :: t_seri ! Temperature |
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40 | REAL,DIMENSION(klon,klev),INTENT(IN) :: pplay ! pression pour le mileu de chaque couche (en Pa) |
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41 | REAL,DIMENSION(klon,klev+1),INTENT(IN) :: paprs ! pression pour chaque inter-couche (en Pa) |
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42 | REAL,DIMENSION(klon,nbtr),INTENT(INOUT):: source ! flux de traceur [U/m2/s] |
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43 | |
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44 | ! Output argument |
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45 | !---------------- |
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46 | REAL,DIMENSION(klon,klev,nbtr),INTENT(INOUT) :: tr_seri ! Concentration Traceur [U/kgA] |
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47 | |
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48 | ! Local variables |
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49 | !---------------- |
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50 | |
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51 | INTEGER :: it, k, i, nb |
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52 | REAL, DIMENSION(klon,klev) :: m_air ! mass of air in every grid box [kg] |
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53 | REAL, DIMENSION(klon_glo,klev) :: co2_glo ! variable temporaire sur la grille global |
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54 | REAL, DIMENSION(klon_glo,klev) :: m_air_glo ! variable temporaire sur la grille global |
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55 | |
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56 | INTEGER, SAVE :: mth_pre=0, day_pre=0 |
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57 | !$OMP THREADPRIVATE(mth_pre, day_pre) |
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58 | |
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59 | IF (is_mpi_root) THEN |
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60 | PRINT *,'in tracco2i: date from phys_cal_mod =',year_cur,'-',mth_cur,'-',day_cur,'-',hour |
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61 | ENDIF |
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62 | |
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63 | !--initialisation of CO2 field if not in restart file |
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64 | !--dirty way of doing, do it better later |
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65 | !--convert 280 ppm into kg CO2 / kg air |
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66 | IF (debutphy) THEN |
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67 | IF (MAXVAL(tr_seri(:,:,id_CO2)).LT.1.e-15) THEN |
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68 | !!tr_seri(:,:,id_CO2)=280.e-6/RMD*RMCO2 |
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69 | tr_seri(:,:,id_CO2)=400.e-6/RMD*RMCO2 !--initialised to 400 ppm for a test |
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70 | ENDIF |
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71 | ENDIF |
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72 | |
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73 | !--calculate mass of air in every grid box in kg air |
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74 | DO i=1, klon |
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75 | DO k=1, klev |
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76 | m_air(i,k)=(paprs(i,k)-paprs(i,k+1))/RG*cell_area(i) |
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77 | ENDDO |
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78 | ENDDO |
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79 | |
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80 | !--call CO2 emission routine |
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81 | !--co2bb is zero for now |
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82 | !--unit kg CO2 m-2 s-1 |
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83 | CALL co2_emissions(debutphy) |
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84 | |
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85 | !--retrieving land and ocean CO2 flux |
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86 | fco2_land(:)=0.0 |
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87 | fco2_ocean(:)=0.0 |
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88 | DO nb=1, nbcf_in |
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89 | !--fCO2_nep comes in unit of kg C m-2 s-1 |
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90 | !--converting to kg CO2 m-2 s-1 |
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91 | IF (cfname_in(nb) == "fCO2_nep" ) fco2_land(:)=fields_in(:,nb)*RMCO2/RMC*pctsrf(:,is_ter) |
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92 | !--fCO2_fgco2 comes in unit of mol C02 m-2 s-1 |
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93 | !--converting to kg CO2 m-2 s-1 + change sign |
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94 | IF (cfname_in(nb) == "fCO2_fgco2" ) fco2_ocean(:)=-1.*fco2_ocn_day(:)*RMCO2/1.e3*(pctsrf(:,is_oce)+pctsrf(:,is_sic)) |
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95 | ENDDO |
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96 | |
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97 | !--preparing the net anthropogenic flux at the surface for mixing layer |
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98 | !--unit kg CO2 / m2 / s |
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99 | source(:,id_CO2)=fco2_ff(:)+fco2_bb(:)+fco2_land(:)+fco2_ocean(:) |
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100 | |
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101 | !--computing global mean CO2 for radiation |
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102 | !--every timestep for now but enough every day |
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103 | ! IF (debutphy.OR.mth_cur.NE.mth_pre) THEN |
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104 | ! IF (debutphy.OR.day_cur.NE.day_pre) THEN |
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105 | CALL gather(tr_seri(:,:,id_CO2),co2_glo) |
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106 | CALL gather(m_air,m_air_glo) |
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107 | !$OMP MASTER |
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108 | !--compute a global mean CO2 value and print its value in ppm |
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109 | IF (is_mpi_root) THEN |
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110 | RCO2_tot=SUM(co2_glo*m_air_glo) !--unit kg CO2 |
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111 | RCO2_glo=RCO2_tot/SUM(m_air_glo) !--unit kg CO2 / kg air |
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112 | PRINT *,'tracco2i: global CO2 in ppm =', RCO2_glo*1.e6*RMD/RMCO2 |
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113 | PRINT *,'tracco2i: total CO2 in kg =', RCO2_tot |
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114 | ENDIF |
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115 | !$OMP END MASTER |
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116 | CALL bcast(RCO2_glo) |
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117 | mth_pre=mth_cur |
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118 | day_pre=day_cur |
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119 | !--if not carbon_cycle_tr, then we reinitialize the CO2 each day to its global mean value |
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120 | IF (.NOT.carbon_cycle_tr) THEN |
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121 | tr_seri(:,:,id_CO2)=RCO2_glo |
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122 | ENDIF |
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123 | ! ENDIF |
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124 | |
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125 | END SUBROUTINE tracco2i |
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126 | |
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127 | SUBROUTINE co2_emissions(debutphy) |
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128 | |
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129 | USE dimphy |
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130 | USE infotrac_phy |
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131 | USE geometry_mod, ONLY : cell_area |
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132 | USE mod_grid_phy_lmdz |
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133 | USE mod_phys_lmdz_mpi_data, ONLY: is_mpi_root |
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134 | USE mod_phys_lmdz_para, ONLY: gather, scatter |
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135 | USE phys_cal_mod |
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136 | |
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137 | USE netcdf95, ONLY: nf95_close, nf95_gw_var, nf95_inq_varid, nf95_open |
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138 | USE netcdf, ONLY: nf90_get_var, nf90_noerr, nf90_nowrite |
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139 | |
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140 | USE carbon_cycle_mod, ONLY : fco2_ff, fco2_bb |
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141 | |
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142 | IMPLICIT NONE |
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143 | |
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144 | INCLUDE "YOMCST.h" |
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145 | LOGICAL,INTENT(IN) :: debutphy |
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146 | |
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147 | ! For NetCDF: |
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148 | INTEGER ncid_in ! IDs for input files |
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149 | INTEGER varid, ncerr |
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150 | |
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151 | INTEGER :: n_glo, n_month |
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152 | REAL, POINTER:: vector(:), time(:) |
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153 | REAL,ALLOCATABLE :: flx_co2ff_glo(:,:) ! fossil-fuel CO2 |
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154 | REAL,ALLOCATABLE :: flx_co2bb_glo(:,:) ! biomass-burning CO2 |
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155 | REAL,ALLOCATABLE, SAVE :: flx_co2ff(:,:) ! fossil-fuel CO2 |
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156 | REAL,ALLOCATABLE, SAVE :: flx_co2bb(:,:) ! biomass-burning CO2 |
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157 | !$OMP THREADPRIVATE(flx_co2ff,flx_co2bb) |
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158 | |
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159 | !! may be controlled via the .def later on |
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160 | !! also co2bb for now comes from ORCHIDEE |
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161 | LOGICAL, PARAMETER :: readco2ff=.TRUE., readco2bb=.FALSE. |
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162 | |
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163 | IF (debutphy) THEN |
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164 | |
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165 | ALLOCATE(flx_co2ff(klon,12)) |
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166 | ALLOCATE(flx_co2bb(klon,12)) |
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167 | |
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168 | !$OMP MASTER |
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169 | IF (is_mpi_root) THEN |
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170 | |
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171 | IF (.NOT.ALLOCATED(flx_co2ff_glo)) ALLOCATE(flx_co2ff_glo(klon_glo,12)) |
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172 | IF (.NOT.ALLOCATED(flx_co2bb_glo)) ALLOCATE(flx_co2bb_glo(klon_glo,12)) |
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173 | |
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174 | !--reading CO2 fossil fuel emissions |
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175 | IF (readco2ff) THEN |
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176 | |
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177 | ! ... Open the COZff file |
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178 | CALL nf95_open("sflx_lmdz_co2_ff.nc", nf90_nowrite, ncid_in) |
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179 | |
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180 | CALL nf95_inq_varid(ncid_in, "vector", varid) |
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181 | CALL nf95_gw_var(ncid_in, varid, vector) |
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182 | n_glo = size(vector) |
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183 | IF (n_glo.NE.klon_glo) THEN |
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184 | PRINT *,'sflx_lmdz_co2_ff: le nombre de points n est pas egal a klon_glo' |
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185 | STOP |
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186 | ENDIF |
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187 | |
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188 | CALL nf95_inq_varid(ncid_in, "time", varid) |
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189 | CALL nf95_gw_var(ncid_in, varid, time) |
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190 | n_month = size(time) |
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191 | IF (n_month.NE.12) THEN |
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192 | PRINT *,'sflx_lmdz_co2_ff: le nombre de month n est pas egal a 12' |
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193 | STOP |
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194 | ENDIF |
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195 | |
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196 | !--reading flx_co2 for fossil fuel |
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197 | CALL nf95_inq_varid(ncid_in, "flx_co2", varid) |
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198 | ncerr = nf90_get_var(ncid_in, varid, flx_co2ff_glo) |
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199 | |
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200 | CALL nf95_close(ncid_in) |
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201 | |
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202 | ELSE !--co2ff not to be read |
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203 | flx_co2ff_glo(:,:)=0.0 |
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204 | ENDIF |
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205 | |
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206 | !--reading CO2 biomass burning emissions |
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207 | IF (readco2bb) THEN |
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208 | |
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209 | ! ... Open the CO2bb file |
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210 | CALL nf95_open("sflx_lmdz_co2_bb.nc", nf90_nowrite, ncid_in) |
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211 | |
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212 | CALL nf95_inq_varid(ncid_in, "vector", varid) |
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213 | CALL nf95_gw_var(ncid_in, varid, vector) |
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214 | n_glo = size(vector) |
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215 | IF (n_glo.NE.klon_glo) THEN |
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216 | PRINT *,'sflx_lmdz_co2_bb: le nombre de points n est pas egal a klon_glo' |
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217 | STOP |
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218 | ENDIF |
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219 | |
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220 | CALL nf95_inq_varid(ncid_in, "time", varid) |
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221 | CALL nf95_gw_var(ncid_in, varid, time) |
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222 | n_month = size(time) |
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223 | IF (n_month.NE.12) THEN |
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224 | PRINT *,'sflx_lmdz_co2_bb: le nombre de month n est pas egal a 12' |
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225 | STOP |
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226 | ENDIF |
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227 | |
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228 | !--reading flx_co2 for biomass burning |
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229 | CALL nf95_inq_varid(ncid_in, "flx_co2", varid) |
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230 | ncerr = nf90_get_var(ncid_in, varid, flx_co2bb_glo) |
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231 | |
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232 | CALL nf95_close(ncid_in) |
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233 | |
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234 | ELSE !--co2bb not to be read |
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235 | flx_co2bb_glo(:,:)=0.0 |
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236 | ENDIF |
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237 | |
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238 | ENDIF |
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239 | !$OMP END MASTER |
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240 | |
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241 | !--scatter on all proc |
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242 | CALL scatter(flx_co2ff_glo,flx_co2ff) |
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243 | CALL scatter(flx_co2bb_glo,flx_co2bb) |
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244 | |
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245 | !$OMP MASTER |
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246 | IF (is_mpi_root) THEN |
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247 | DEALLOCATE(flx_co2ff_glo) |
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248 | DEALLOCATE(flx_co2bb_glo) |
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249 | ENDIF |
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250 | !$OMP END MASTER |
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251 | |
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252 | ENDIF !--end debuthy |
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253 | |
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254 | !---select the correct month |
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255 | IF (mth_cur.LT.1.OR.mth_cur.GT.12) THEN |
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256 | PRINT *,'probleme avec le mois dans co2_ini =', mth_cur |
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257 | ENDIF |
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258 | IF (.NOT.ALLOCATED(fco2_ff)) ALLOCATE(fco2_ff(klon)) |
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259 | IF (.NOT.ALLOCATED(fco2_bb)) ALLOCATE(fco2_bb(klon)) |
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260 | fco2_ff(:) = flx_co2ff(:,mth_cur) |
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261 | fco2_bb(:) = flx_co2bb(:,mth_cur) |
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262 | |
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263 | END SUBROUTINE co2_emissions |
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264 | |
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265 | END MODULE tracco2i_mod |
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