1 | ! |
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2 | ! $Id: iniacademic.f90 5292 2024-10-28 15:58:32Z abarral $ |
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3 | ! |
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4 | SUBROUTINE iniacademic(vcov,ucov,teta,q,masse,ps,phis,time_0) |
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5 | |
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6 | USE academic_mod_h |
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7 | USE iniprint_mod_h |
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8 | USE comgeom_mod_h |
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9 | USE filtreg_mod, ONLY: inifilr |
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10 | USE infotrac, ONLY: nqtot, niso, iqIsoPha, tracers, isoName, addPhase |
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11 | USE control_mod, ONLY: day_step,planet_type |
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12 | use exner_hyb_m, only: exner_hyb |
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13 | use exner_milieu_m, only: exner_milieu |
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14 | USE IOIPSL, ONLY: getin |
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15 | |
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16 | USE Write_Field |
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17 | USE comconst_mod, ONLY: cpp, kappa, g, daysec, dtvr, pi, im, jm |
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18 | USE logic_mod, ONLY: iflag_phys, read_start |
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19 | USE comvert_mod, ONLY: ap, bp, preff, pa, presnivs, pressure_exner |
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20 | USE temps_mod, ONLY: annee_ref, day_ini, day_ref |
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21 | USE ener_mod, ONLY: etot0,ptot0,ztot0,stot0,ang0 |
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22 | use netcdf, only : NF90_NOWRITE,NF90_OPEN,NF90_NOERR,NF90_INQ_VARID |
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23 | use netcdf, only : NF90_CLOSE, NF90_GET_VAR |
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24 | USE iso_params_mod ! tnat_* and alpha_ideal_* |
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25 | |
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26 | |
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27 | ! Author: Frederic Hourdin original: 15/01/93 |
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28 | ! The forcing defined here is from Held and Suarez, 1994, Bulletin |
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29 | ! of the American Meteorological Society, 75, 1825. |
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30 | |
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31 | USE dimensions_mod, ONLY: iim, jjm, llm, ndm |
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32 | USE paramet_mod_h |
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33 | IMPLICIT NONE |
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34 | |
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35 | ! Declararations: |
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36 | ! --------------- |
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37 | |
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38 | |
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39 | |
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40 | |
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41 | ! Arguments: |
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42 | ! ---------- |
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43 | |
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44 | REAL,INTENT(OUT) :: time_0 |
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45 | |
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46 | ! fields |
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47 | REAL,INTENT(OUT) :: vcov(ip1jm,llm) ! meridional covariant wind |
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48 | REAL,INTENT(OUT) :: ucov(ip1jmp1,llm) ! zonal covariant wind |
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49 | REAL,INTENT(OUT) :: teta(ip1jmp1,llm) ! potential temperature (K) |
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50 | REAL,INTENT(OUT) :: q(ip1jmp1,llm,nqtot) ! advected tracers (.../kg_of_air) |
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51 | REAL,INTENT(OUT) :: ps(ip1jmp1) ! surface pressure (Pa) |
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52 | REAL,INTENT(OUT) :: masse(ip1jmp1,llm) ! air mass in grid cell (kg) |
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53 | REAL,INTENT(OUT) :: phis(ip1jmp1) ! surface geopotential |
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54 | |
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55 | ! Local: |
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56 | ! ------ |
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57 | |
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58 | REAL p (ip1jmp1,llmp1 ) ! pression aux interfac.des couches |
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59 | REAL pks(ip1jmp1) ! exner au sol |
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60 | REAL pk(ip1jmp1,llm) ! exner au milieu des couches |
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61 | REAL phi(ip1jmp1,llm) ! geopotentiel |
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62 | REAL ddsin,zsig,tetapv,w_pv ! variables auxiliaires |
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63 | real tetastrat ! potential temperature in the stratosphere, in K |
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64 | real tetajl(jjp1,llm) |
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65 | INTEGER i,j,l,lsup,ij, iq, iName, iPhase, iqParent |
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66 | |
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67 | integer :: nid_relief,varid,ierr |
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68 | real, dimension(iip1,jjp1) :: relief |
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69 | |
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70 | REAL teta0,ttp,delt_y,delt_z,eps ! Constantes pour profil de T |
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71 | REAL k_f,k_c_a,k_c_s ! Constantes de rappel |
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72 | LOGICAL ok_geost ! Initialisation vent geost. ou nul |
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73 | LOGICAL ok_pv ! Polar Vortex |
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74 | REAL phi_pv,dphi_pv,gam_pv,tetanoise ! Constantes pour polar vortex |
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75 | |
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76 | real zz,ran1 |
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77 | integer idum |
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78 | |
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79 | REAL zdtvr, tnat, alpha_ideal |
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80 | LOGICAL :: ltnat1 |
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81 | |
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82 | character(len=*),parameter :: modname="iniacademic" |
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83 | character(len=80) :: abort_message |
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84 | |
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85 | ! Sanity check: verify that options selected by user are not incompatible |
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86 | if ((iflag_phys==1).and. .not. read_start) then |
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87 | write(lunout,*) trim(modname)," error: if read_start is set to ", & |
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88 | " false then iflag_phys should not be 1" |
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89 | write(lunout,*) "You most likely want an aquaplanet initialisation", & |
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90 | " (iflag_phys >= 100)" |
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91 | call abort_gcm(modname,"incompatible iflag_phys==1 and read_start==.false.",1) |
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92 | endif |
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93 | |
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94 | !----------------------------------------------------------------------- |
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95 | ! 1. Initializations for Earth-like case |
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96 | ! -------------------------------------- |
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97 | ! |
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98 | ! initialize planet radius, rotation rate,... |
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99 | call conf_planete |
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100 | |
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101 | time_0=0. |
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102 | day_ref=1 |
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103 | annee_ref=0 |
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104 | |
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105 | im = iim |
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106 | jm = jjm |
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107 | day_ini = 1 |
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108 | dtvr = daysec/REAL(day_step) |
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109 | zdtvr=dtvr |
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110 | etot0 = 0. |
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111 | ptot0 = 0. |
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112 | ztot0 = 0. |
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113 | stot0 = 0. |
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114 | ang0 = 0. |
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115 | |
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116 | if (llm == 1) then |
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117 | ! specific initializations for the shallow water case |
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118 | kappa=1 |
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119 | endif |
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120 | |
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121 | CALL iniconst |
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122 | CALL inigeom |
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123 | CALL inifilr |
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124 | |
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125 | |
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126 | !------------------------------------------------------------------ |
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127 | ! Initialize pressure and mass field if read_start=.false. |
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128 | !------------------------------------------------------------------ |
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129 | |
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130 | IF (.NOT. read_start) THEN |
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131 | |
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132 | !------------------------------------------------------------------ |
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133 | ! Lecture eventuelle d'un fichier de relief interpollee sur la grille |
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134 | ! du modele. |
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135 | ! On suppose que le fichier relief_in.nc est stoké sur une grille |
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136 | ! iim*jjp1 |
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137 | ! Facile a créer à partir de la commande |
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138 | ! cdo remapcon,fichier_output_phys.nc Relief.nc relief_in.nc |
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139 | !------------------------------------------------------------------ |
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140 | |
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141 | relief=0. |
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142 | ierr = NF90_OPEN ('relief_in.nc', NF90_NOWRITE,nid_relief) |
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143 | if (ierr.EQ.NF90_NOERR) THEN |
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144 | ierr=NF90_INQ_VARID(nid_relief,'RELIEF',varid) |
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145 | if (ierr==NF90_NOERR) THEN |
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146 | ierr=NF90_GET_VAR(nid_relief,varid,relief(1:iim,1:jjp1)) |
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147 | relief(iip1,:)=relief(1,:) |
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148 | else |
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149 | CALL abort_gcm ('iniacademic','variable RELIEF pas la',1) |
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150 | endif |
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151 | endif |
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152 | ierr = NF90_CLOSE (nid_relief) |
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153 | |
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154 | !------------------------------------------------------------------ |
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155 | ! Initialisation du geopotentiel au sol et de la pression |
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156 | !------------------------------------------------------------------ |
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157 | |
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158 | print*,'relief=',minval(relief),maxval(relief),'g=',g |
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159 | do j=1,jjp1 |
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160 | do i=1,iip1 |
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161 | phis((j-1)*iip1+i)=g*relief(i,j) |
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162 | enddo |
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163 | enddo |
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164 | print*,'phis=',minval(phis),maxval(phis),'g=',g |
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165 | |
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166 | ! ground geopotential |
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167 | !phis(:)=0. |
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168 | ps(:)=preff |
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169 | CALL pression ( ip1jmp1, ap, bp, ps, p ) |
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170 | |
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171 | if (pressure_exner) then |
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172 | CALL exner_hyb( ip1jmp1, ps, p, pks, pk) |
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173 | else |
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174 | call exner_milieu(ip1jmp1,ps,p,pks,pk) |
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175 | endif |
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176 | CALL massdair(p,masse) |
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177 | ENDIF |
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178 | |
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179 | if (llm == 1) then |
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180 | ! initialize fields for the shallow water case, if required |
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181 | if (.not.read_start) then |
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182 | phis(:)=0. |
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183 | q(:,:,:)=0 |
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184 | CALL sw_case_williamson91_6(vcov,ucov,teta,masse,ps) |
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185 | endif |
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186 | endif |
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187 | |
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188 | academic_case: if (iflag_phys >= 2) then |
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189 | ! initializations |
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190 | |
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191 | ! 1. local parameters |
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192 | ! by convention, winter is in the southern hemisphere |
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193 | ! Geostrophic wind or no wind? |
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194 | ok_geost=.TRUE. |
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195 | CALL getin('ok_geost',ok_geost) |
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196 | ! Constants for Newtonian relaxation and friction |
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197 | k_f=1. !friction |
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198 | CALL getin('k_j',k_f) |
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199 | k_f=1./(daysec*k_f) |
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200 | k_c_s=4. !cooling surface |
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201 | CALL getin('k_c_s',k_c_s) |
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202 | k_c_s=1./(daysec*k_c_s) |
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203 | k_c_a=40. !cooling free atm |
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204 | CALL getin('k_c_a',k_c_a) |
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205 | k_c_a=1./(daysec*k_c_a) |
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206 | ! Constants for Teta equilibrium profile |
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207 | teta0=315. ! mean Teta (S.H. 315K) |
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208 | CALL getin('teta0',teta0) |
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209 | ttp=200. ! Tropopause temperature (S.H. 200K) |
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210 | CALL getin('ttp',ttp) |
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211 | eps=0. ! Deviation to N-S symmetry(~0-20K) |
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212 | CALL getin('eps',eps) |
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213 | delt_y=60. ! Merid Temp. Gradient (S.H. 60K) |
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214 | CALL getin('delt_y',delt_y) |
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215 | delt_z=10. ! Vertical Gradient (S.H. 10K) |
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216 | CALL getin('delt_z',delt_z) |
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217 | ! Polar vortex |
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218 | ok_pv=.false. |
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219 | CALL getin('ok_pv',ok_pv) |
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220 | phi_pv=-50. ! Latitude of edge of vortex |
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221 | CALL getin('phi_pv',phi_pv) |
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222 | phi_pv=phi_pv*pi/180. |
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223 | dphi_pv=5. ! Width of the edge |
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224 | CALL getin('dphi_pv',dphi_pv) |
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225 | dphi_pv=dphi_pv*pi/180. |
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226 | gam_pv=4. ! -dT/dz vortex (in K/km) |
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227 | CALL getin('gam_pv',gam_pv) |
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228 | tetanoise=0.005 |
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229 | CALL getin('tetanoise',tetanoise) |
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230 | |
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231 | ! 2. Initialize fields towards which to relax |
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232 | ! Friction |
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233 | knewt_g=k_c_a |
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234 | DO l=1,llm |
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235 | zsig=presnivs(l)/preff |
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236 | knewt_t(l)=(k_c_s-k_c_a)*MAX(0.,(zsig-0.7)/0.3) |
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237 | kfrict(l)=k_f*MAX(0.,(zsig-0.7)/0.3) |
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238 | ENDDO |
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239 | DO j=1,jjp1 |
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240 | clat4((j-1)*iip1+1:j*iip1)=cos(rlatu(j))**4 |
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241 | ENDDO |
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242 | |
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243 | ! Potential temperature |
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244 | DO l=1,llm |
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245 | zsig=presnivs(l)/preff |
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246 | tetastrat=ttp*zsig**(-kappa) |
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247 | tetapv=tetastrat |
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248 | IF ((ok_pv).AND.(zsig.LT.0.1)) THEN |
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249 | tetapv=tetastrat*(zsig*10.)**(kappa*cpp*gam_pv/1000./g) |
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250 | ENDIF |
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251 | DO j=1,jjp1 |
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252 | ! Troposphere |
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253 | ddsin=sin(rlatu(j)) |
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254 | tetajl(j,l)=teta0-delt_y*ddsin*ddsin+eps*ddsin & |
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255 | -delt_z*(1.-ddsin*ddsin)*log(zsig) |
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256 | if (planet_type=="giant") then |
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257 | tetajl(j,l)=teta0+(delt_y* & |
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258 | ((sin(rlatu(j)*3.14159*eps+0.0001))**2) & |
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259 | / ((rlatu(j)*3.14159*eps+0.0001)**2)) & |
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260 | -delt_z*log(zsig) |
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261 | endif |
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262 | ! Profil stratospherique isotherme (+vortex) |
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263 | w_pv=(1.-tanh((rlatu(j)-phi_pv)/dphi_pv))/2. |
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264 | tetastrat=tetastrat*(1.-w_pv)+tetapv*w_pv |
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265 | tetajl(j,l)=MAX(tetajl(j,l),tetastrat) |
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266 | ENDDO |
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267 | ENDDO |
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268 | |
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269 | ! CALL writefield('theta_eq',tetajl) |
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270 | |
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271 | do l=1,llm |
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272 | do j=1,jjp1 |
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273 | do i=1,iip1 |
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274 | ij=(j-1)*iip1+i |
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275 | tetarappel(ij,l)=tetajl(j,l) |
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276 | enddo |
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277 | enddo |
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278 | enddo |
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279 | |
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280 | ! 3. Initialize fields (if necessary) |
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281 | IF (.NOT. read_start) THEN |
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282 | ! bulk initialization of temperature |
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283 | IF (iflag_phys>10000) THEN |
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284 | ! Particular case to impose a constant temperature T0=0.01*iflag_physx |
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285 | teta(:,:)= 0.01*iflag_phys/(pk(:,:)/cpp) |
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286 | ELSE |
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287 | teta(:,:)=tetarappel(:,:) |
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288 | ENDIF |
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289 | ! geopotential |
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290 | CALL geopot(ip1jmp1,teta,pk,pks,phis,phi) |
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291 | |
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292 | DO l=1,llm |
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293 | print*,'presnivs,play,l',presnivs(l),(pk(1,l)/cpp)**(1./kappa)*preff |
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294 | !pks(ij) = (cpp/preff) * ps(ij) |
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295 | !pk(ij,1) = .5*pks(ij) |
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296 | ! pk = cpp * (p/preff)^kappa |
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297 | ENDDO |
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298 | |
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299 | ! winds |
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300 | if (ok_geost) then |
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301 | call ugeostr(phi,ucov) |
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302 | else |
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303 | ucov(:,:)=0. |
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304 | endif |
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305 | vcov(:,:)=0. |
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306 | |
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307 | ! bulk initialization of tracers |
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308 | if (planet_type=="earth") then |
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309 | ltnat1 = .TRUE.; CALL getin('tnateq1', ltnat1) |
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310 | ! Earth: first two tracers will be water |
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311 | do iq=1,nqtot |
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312 | q(:,:,iq)=0. |
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313 | IF(tracers(iq)%name == addPhase('H2O', 'g')) q(:,:,iq)=1.e-10 |
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314 | IF(tracers(iq)%name == addPhase('H2O', 'l')) q(:,:,iq)=1.e-15 |
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315 | |
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316 | ! CRisi: init des isotopes |
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317 | ! distill de Rayleigh très simplifiée |
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318 | iName = tracers(iq)%iso_iName |
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319 | if (niso <= 0 .OR. iName <= 0) CYCLE |
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320 | iPhase = tracers(iq)%iso_iPhase |
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321 | iqParent = tracers(iq)%iqParent |
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322 | IF(tracers(iq)%iso_iZone == 0) THEN |
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323 | IF(ltnat1) THEN |
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324 | tnat = 1.0 |
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325 | alpha_ideal = 1.0 |
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326 | WRITE(lunout, *)'In '//TRIM(modname)//': !!! Beware: alpha_ideal put to 1 !!!' |
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327 | ELSE |
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328 | SELECT CASE(isoName(iName)) |
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329 | CASE('H216O'); tnat = tnat_H216O; alpha_ideal = alpha_ideal_H216O |
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330 | CASE('H217O'); tnat = tnat_H217O; alpha_ideal = alpha_ideal_H217O |
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331 | CASE('H218O'); tnat = tnat_H218O; alpha_ideal = alpha_ideal_H218O |
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332 | CASE('HDO'); tnat = tnat_HDO; alpha_ideal = alpha_ideal_HDO |
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333 | CASE('HTO'); tnat = tnat_HTO; alpha_ideal = alpha_ideal_HTO |
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334 | CASE DEFAULT |
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335 | CALL abort_gcm(TRIM(modname),'unknown isotope "'//TRIM(isoName(iName))//'" ; check tracer.def file',1) |
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336 | END SELECT |
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337 | END IF |
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338 | q(:,:,iq) = q(:,:,iqParent)*tnat*(q(:,:,iqParent)/30.e-3)**(alpha_ideal-1.) |
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339 | ELSE !IF(tracers(iq)%iso_iZone == 0) THEN |
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340 | IF(tracers(iq)%iso_iZone == 1) THEN |
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341 | ! correction le 14 mai 2024 pour que tous les traceurs soient de la couleur 1. |
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342 | ! Sinon, on va avoir des porblèmes de conservation de masse de traceurs. |
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343 | q(:,:,iq) = q(:,:,iqIsoPha(iName,iPhase)) |
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344 | else !IF(tracers(iq)%iso_iZone == 1) THEN |
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345 | q(:,:,iq) = 0. |
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346 | endif !IF(tracers(iq)%iso_iZone == 1) THEN |
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347 | END IF !IF(tracers(iq)%iso_iZone == 0) THEN |
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348 | enddo |
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349 | else |
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350 | q(:,:,:)=0 |
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351 | endif ! of if (planet_type=="earth") |
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352 | |
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353 | call check_isotopes_seq(q,1,ip1jmp1,'iniacademic_loc') |
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354 | |
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355 | ! add random perturbation to temperature |
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356 | idum = -1 |
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357 | zz = ran1(idum) |
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358 | idum = 0 |
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359 | do l=1,llm |
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360 | do ij=iip2,ip1jm |
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361 | teta(ij,l)=teta(ij,l)*(1.+tetanoise*ran1(idum)) |
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362 | enddo |
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363 | enddo |
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364 | |
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365 | ! maintain periodicity in longitude |
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366 | do l=1,llm |
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367 | do ij=1,ip1jmp1,iip1 |
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368 | teta(ij+iim,l)=teta(ij,l) |
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369 | enddo |
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370 | enddo |
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371 | |
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372 | ENDIF ! of IF (.NOT. read_start) |
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373 | endif academic_case |
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374 | |
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375 | END SUBROUTINE iniacademic |
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