1 | ! $Id: iniacademic.F90 1625 2012-05-09 13:14:48Z lguez $ |
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2 | |
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3 | SUBROUTINE iniacademic_loc(vcov, ucov, teta, q, masse, ps, phis, time_0) |
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4 | |
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5 | USE lmdz_filtreg, ONLY: inifilr |
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6 | USE lmdz_infotrac, ONLY: nqtot, niso, iqIsoPha, tracers, getKey, isoName |
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7 | USE control_mod, ONLY: day_step, planet_type |
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8 | USE exner_hyb_m, ONLY: exner_hyb |
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9 | USE exner_milieu_m, ONLY: exner_milieu |
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10 | USE parallel_lmdz, ONLY: ijb_u, ije_u, ijb_v, ije_v |
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11 | USE IOIPSL, ONLY: getin |
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12 | USE lmdz_write_field |
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13 | USE comconst_mod, ONLY: cpp, kappa, g, daysec, dtvr, pi, im, jm |
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14 | USE logic_mod, ONLY: iflag_phys, read_start |
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15 | USE comvert_mod, ONLY: ap, bp, preff, pa, presnivs, pressure_exner |
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16 | USE temps_mod, ONLY: annee_ref, day_ini, day_ref |
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17 | USE ener_mod, ONLY: etot0, ptot0, ztot0, stot0, ang0 |
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18 | USE lmdz_readTracFiles, ONLY: addPhase |
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19 | USE netcdf, ONLY: nf90_nowrite, nf90_open, nf90_noerr, nf90_inq_varid, nf90_close, nf90_get_var |
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20 | USE lmdz_ran1, ONLY: ran1 |
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21 | USE lmdz_iniprint, ONLY: lunout, prt_level |
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22 | USE lmdz_academic, ONLY: tetarappel, knewt_t, kfrict, knewt_g, clat4 |
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23 | USE lmdz_comgeom |
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24 | |
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25 | ! Author: Frederic Hourdin original: 15/01/93 |
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26 | ! The forcing defined here is from Held and Suarez, 1994, Bulletin |
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27 | ! of the American Meteorological Society, 75, 1825. |
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28 | |
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29 | USE lmdz_dimensions, ONLY: iim, jjm, llm, ndm |
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30 | USE lmdz_paramet |
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31 | IMPLICIT NONE |
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32 | |
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33 | ! Declararations: |
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34 | ! --------------- |
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35 | |
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36 | |
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37 | |
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38 | |
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39 | ! Arguments: |
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40 | ! ---------- |
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41 | |
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42 | REAL, INTENT(OUT) :: time_0 |
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43 | |
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44 | ! fields |
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45 | REAL, INTENT(OUT) :: vcov(ijb_v:ije_v, llm) ! meridional covariant wind |
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46 | REAL, INTENT(OUT) :: ucov(ijb_u:ije_u, llm) ! zonal covariant wind |
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47 | REAL, INTENT(OUT) :: teta(ijb_u:ije_u, llm) ! potential temperature (K) |
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48 | REAL, INTENT(OUT) :: q(ijb_u:ije_u, llm, nqtot) ! advected tracers (.../kg_of_air) |
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49 | REAL, INTENT(OUT) :: ps(ijb_u:ije_u) ! surface pressure (Pa) |
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50 | REAL, INTENT(OUT) :: masse(ijb_u:ije_u, llm) ! air mass in grid cell (kg) |
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51 | REAL, INTENT(OUT) :: phis(ijb_u:ije_u) ! surface geopotential |
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52 | |
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53 | ! Local: |
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54 | ! ------ |
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55 | |
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56 | REAL, ALLOCATABLE :: vcov_glo(:, :), ucov_glo(:, :), teta_glo(:, :) |
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57 | REAL, ALLOCATABLE :: q_glo(:, :), masse_glo(:, :), ps_glo(:) |
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58 | REAL, ALLOCATABLE :: phis_glo(:) |
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59 | REAL p (ip1jmp1, llmp1) ! pression aux interfac.des couches |
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60 | REAL pks(ip1jmp1) ! exner au sol |
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61 | REAL pk(ip1jmp1, llm) ! exner au milieu des couches |
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62 | REAL phi(ip1jmp1, llm) ! geopotentiel |
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63 | REAL ddsin, zsig, tetapv, w_pv ! variables auxiliaires |
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64 | REAL tetastrat ! potential temperature in the stratosphere, in K |
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65 | REAL tetajl(jjp1, llm) |
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66 | INTEGER i, j, l, lsup, ij, iq, iName, iPhase, iqParent |
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67 | |
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68 | INTEGER :: nid_relief, varid, ierr |
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69 | REAL, DIMENSION(iip1, jjp1) :: relief |
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70 | |
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71 | REAL teta0, ttp, delt_y, delt_z, eps ! Constantes pour profil de T |
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72 | REAL k_f, k_c_a, k_c_s ! Constantes de rappel |
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73 | LOGICAL ok_geost ! Initialisation vent geost. ou nul |
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74 | LOGICAL ok_pv ! Polar Vortex |
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75 | REAL phi_pv, dphi_pv, gam_pv, tetanoise ! Constantes pour polar vortex |
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76 | |
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77 | REAL zz |
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78 | INTEGER idum |
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79 | |
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80 | REAL zdtvr, tnat, alpha_ideal |
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81 | LOGICAL, PARAMETER :: tnat1 = .TRUE. |
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82 | |
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83 | CHARACTER(LEN = *), parameter :: modname = "iniacademic" |
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84 | CHARACTER(LEN = 80) :: abort_message |
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85 | |
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86 | ! Sanity check: verify that options selected by user are not incompatible |
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87 | IF ((iflag_phys==1).AND. .NOT. read_start) THEN |
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88 | WRITE(lunout, *) trim(modname), " error: if read_start is set to ", & |
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89 | " false then iflag_phys should not be 1" |
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90 | WRITE(lunout, *) "You most likely want an aquaplanet initialisation", & |
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91 | " (iflag_phys >= 100)" |
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92 | CALL abort_gcm(modname, "incompatible iflag_phys==1 and read_start==.FALSE.", 1) |
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93 | ENDIF |
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94 | |
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95 | !----------------------------------------------------------------------- |
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96 | ! 1. Initializations for Earth-like case |
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97 | ! -------------------------------------- |
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98 | |
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99 | ! initialize planet radius, rotation rate,... |
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100 | CALL conf_planete |
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101 | |
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102 | time_0 = 0. |
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103 | day_ref = 1 |
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104 | ! annee_ref=0 |
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105 | |
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106 | im = iim |
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107 | jm = jjm |
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108 | day_ini = 1 |
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109 | dtvr = daysec / REAL(day_step) |
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110 | zdtvr = dtvr |
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111 | etot0 = 0. |
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112 | ptot0 = 0. |
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113 | ztot0 = 0. |
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114 | stot0 = 0. |
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115 | ang0 = 0. |
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116 | |
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117 | IF (llm == 1) THEN |
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118 | ! specific initializations for the shallow water case |
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119 | kappa = 1 |
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120 | ENDIF |
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121 | |
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122 | CALL iniconst |
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123 | CALL inigeom |
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124 | CALL inifilr |
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125 | |
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126 | ! Initialize pressure and mass field if read_start=.FALSE. |
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127 | IF (.NOT. read_start) THEN |
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128 | ! allocate global fields: |
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129 | ! allocate(vcov_glo(ip1jm,llm)) |
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130 | |
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131 | allocate(ucov_glo(ip1jmp1, llm)) |
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132 | allocate(teta_glo(ip1jmp1, llm)) |
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133 | allocate(ps_glo(ip1jmp1)) |
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134 | allocate(masse_glo(ip1jmp1, llm)) |
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135 | allocate(phis_glo(ip1jmp1)) |
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136 | |
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137 | ! surface pressure |
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138 | ps_glo(:) = preff |
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139 | |
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140 | !------------------------------------------------------------------ |
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141 | ! Lecture eventuelle d'un fichier de relief interpollee sur la grille |
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142 | ! du modele. |
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143 | ! On suppose que le fichier relief_in.nc est stoké sur une grille |
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144 | ! iim*jjp1 |
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145 | ! Facile a créer à partir de la commande |
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146 | ! cdo remapcon,fichier_output_phys.nc Relief.nc relief_in.nc |
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147 | !------------------------------------------------------------------ |
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148 | |
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149 | relief = 0. |
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150 | ierr = nf90_open ('relief_in.nc', nf90_nowrite, nid_relief) |
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151 | IF (ierr==nf90_noerr) THEN |
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152 | ierr = nf90_inq_varid(nid_relief, 'RELIEF', varid) |
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153 | IF (ierr==nf90_noerr) THEN |
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154 | ierr = nf90_get_var(nid_relief, varid, relief(1:iim, 1:jjp1)) |
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155 | relief(iip1, :) = relief(1, :) |
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156 | else |
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157 | CALL abort_gcm ('iniacademic', 'variable RELIEF pas la', 1) |
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158 | endif |
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159 | endif |
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160 | ierr = nf90_close (nid_relief) |
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161 | |
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162 | |
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163 | !------------------------------------------------------------------ |
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164 | ! Initialisation du geopotentiel au sol et de la pression |
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165 | !------------------------------------------------------------------ |
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166 | |
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167 | PRINT*, 'relief=', minval(relief), maxval(relief), 'g=', g |
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168 | DO j = 1, jjp1 |
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169 | DO i = 1, iip1 |
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170 | phis_glo((j - 1) * iip1 + i) = g * relief(i, j) |
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171 | enddo |
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172 | enddo |
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173 | PRINT*, 'phis=', minval(phis), maxval(phis), 'g=', g |
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174 | |
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175 | CALL pression (ip1jmp1, ap, bp, ps_glo, p) |
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176 | IF (pressure_exner) THEN |
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177 | CALL exner_hyb(ip1jmp1, ps_glo, p, pks, pk) |
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178 | else |
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179 | CALL exner_milieu(ip1jmp1, ps_glo, p, pks, pk) |
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180 | endif |
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181 | CALL massdair(p, masse_glo) |
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182 | ENDIF |
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183 | |
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184 | IF (llm == 1) THEN |
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185 | ! initialize fields for the shallow water case, if required |
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186 | IF (.NOT.read_start) THEN |
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187 | phis(ijb_u:ije_u) = 0. |
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188 | q(ijb_u:ije_u, 1:llm, 1:nqtot) = 0 |
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189 | CALL sw_case_williamson91_6_loc(vcov, ucov, teta, masse, ps) |
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190 | endif |
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191 | ENDIF |
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192 | |
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193 | academic_case: if (iflag_phys >= 2) THEN |
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194 | ! initializations |
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195 | |
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196 | ! 1. local parameters |
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197 | ! by convention, winter is in the southern hemisphere |
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198 | ! Geostrophic wind or no wind? |
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199 | ok_geost = .TRUE. |
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200 | CALL getin('ok_geost', ok_geost) |
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201 | ! Constants for Newtonian relaxation and friction |
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202 | k_f = 1. !friction |
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203 | CALL getin('k_j', k_f) |
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204 | k_f = 1. / (daysec * k_f) |
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205 | k_c_s = 4. !cooling surface |
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206 | CALL getin('k_c_s', k_c_s) |
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207 | k_c_s = 1. / (daysec * k_c_s) |
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208 | k_c_a = 40. !cooling free atm |
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209 | CALL getin('k_c_a', k_c_a) |
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210 | k_c_a = 1. / (daysec * k_c_a) |
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211 | ! Constants for Teta equilibrium profile |
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212 | teta0 = 315. ! mean Teta (S.H. 315K) |
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213 | CALL getin('teta0', teta0) |
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214 | ttp = 200. ! Tropopause temperature (S.H. 200K) |
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215 | CALL getin('ttp', ttp) |
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216 | eps = 0. ! Deviation to N-S symmetry(~0-20K) |
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217 | CALL getin('eps', eps) |
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218 | delt_y = 60. ! Merid Temp. Gradient (S.H. 60K) |
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219 | CALL getin('delt_y', delt_y) |
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220 | delt_z = 10. ! Vertical Gradient (S.H. 10K) |
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221 | CALL getin('delt_z', delt_z) |
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222 | ! Polar vortex |
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223 | ok_pv = .FALSE. |
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224 | CALL getin('ok_pv', ok_pv) |
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225 | phi_pv = -50. ! Latitude of edge of vortex |
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226 | CALL getin('phi_pv', phi_pv) |
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227 | phi_pv = phi_pv * pi / 180. |
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228 | dphi_pv = 5. ! Width of the edge |
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229 | CALL getin('dphi_pv', dphi_pv) |
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230 | dphi_pv = dphi_pv * pi / 180. |
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231 | gam_pv = 4. ! -dT/dz vortex (in K/km) |
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232 | CALL getin('gam_pv', gam_pv) |
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233 | tetanoise = 0.005 |
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234 | CALL getin('tetanoise', tetanoise) |
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235 | |
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236 | ! 2. Initialize fields towards which to relax |
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237 | ! Friction |
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238 | knewt_g = k_c_a |
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239 | DO l = 1, llm |
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240 | zsig = presnivs(l) / preff |
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241 | knewt_t(l) = (k_c_s - k_c_a) * MAX(0., (zsig - 0.7) / 0.3) |
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242 | kfrict(l) = k_f * MAX(0., (zsig - 0.7) / 0.3) |
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243 | ENDDO |
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244 | DO j = 1, jjp1 |
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245 | clat4((j - 1) * iip1 + 1:j * iip1) = cos(rlatu(j))**4 |
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246 | ENDDO |
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247 | |
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248 | ! Potential temperature |
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249 | DO l = 1, llm |
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250 | zsig = presnivs(l) / preff |
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251 | tetastrat = ttp * zsig**(-kappa) |
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252 | tetapv = tetastrat |
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253 | IF ((ok_pv).AND.(zsig<0.1)) THEN |
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254 | tetapv = tetastrat * (zsig * 10.)**(kappa * cpp * gam_pv / 1000. / g) |
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255 | ENDIF |
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256 | DO j = 1, jjp1 |
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257 | ! Troposphere |
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258 | ddsin = sin(rlatu(j)) |
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259 | tetajl(j, l) = teta0 - delt_y * ddsin * ddsin + eps * ddsin & |
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260 | - delt_z * (1. - ddsin * ddsin) * log(zsig) |
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261 | IF (planet_type=="giant") THEN |
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262 | tetajl(j, l) = teta0 + (delt_y * & |
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263 | ((sin(rlatu(j) * 3.14159 * eps + 0.0001))**2) & |
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264 | / ((rlatu(j) * 3.14159 * eps + 0.0001)**2)) & |
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265 | - delt_z * log(zsig) |
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266 | endif |
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267 | ! Profil stratospherique isotherme (+vortex) |
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268 | w_pv = (1. - tanh((rlatu(j) - phi_pv) / dphi_pv)) / 2. |
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269 | tetastrat = tetastrat * (1. - w_pv) + tetapv * w_pv |
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270 | tetajl(j, l) = MAX(tetajl(j, l), tetastrat) |
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271 | ENDDO |
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272 | ENDDO |
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273 | |
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274 | ! CALL writefield('theta_eq',tetajl) |
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275 | |
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276 | DO l = 1, llm |
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277 | DO j = 1, jjp1 |
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278 | DO i = 1, iip1 |
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279 | ij = (j - 1) * iip1 + i |
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280 | tetarappel(ij, l) = tetajl(j, l) |
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281 | enddo |
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282 | enddo |
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283 | enddo |
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284 | |
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285 | ! 3. Initialize fields (if necessary) |
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286 | IF (.NOT. read_start) THEN |
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287 | ! bulk initialization of temperature |
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288 | IF (iflag_phys>10000) THEN |
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289 | ! Particular case to impose a constant temperature T0=0.01*iflag_phys |
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290 | teta_glo(:, :) = 0.01 * iflag_phys / (pk(:, :) / cpp) |
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291 | ELSE |
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292 | teta_glo(:, :) = tetarappel(:, :) |
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293 | ENDIF |
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294 | ! geopotential |
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295 | CALL geopot(ip1jmp1, teta_glo, pk, pks, phis_glo, phi) |
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296 | |
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297 | ! winds |
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298 | IF (ok_geost) THEN |
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299 | CALL ugeostr(phi, ucov_glo) |
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300 | else |
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301 | ucov_glo(:, :) = 0. |
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302 | endif |
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303 | vcov(ijb_v:ije_v, 1:llm) = 0. |
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304 | |
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305 | ! bulk initialization of tracers |
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306 | IF (planet_type=="earth") THEN |
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307 | ! Earth: first two tracers will be water |
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308 | DO iq = 1, nqtot |
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309 | q(ijb_u:ije_u, :, iq) = 0. |
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310 | IF(tracers(iq)%name == addPhase('H2O', 'g')) q(ijb_u:ije_u, :, iq) = 1.e-10 |
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311 | IF(tracers(iq)%name == addPhase('H2O', 'l')) q(ijb_u:ije_u, :, iq) = 1.e-15 |
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312 | |
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313 | ! CRisi: init des isotopes |
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314 | ! distill de Rayleigh très simplifiée |
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315 | iName = tracers(iq)%iso_iName |
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316 | IF (niso <= 0 .OR. iName <= 0) CYCLE |
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317 | iPhase = tracers(iq)%iso_iPhase |
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318 | iqParent = tracers(iq)%iqParent |
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319 | IF(tracers(iq)%iso_iZone == 0) THEN |
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320 | IF (tnat1) THEN |
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321 | tnat = 1.0 |
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322 | alpha_ideal = 1.0 |
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323 | WRITE(*, *) 'Attention dans iniacademic: alpha_ideal=1' |
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324 | else |
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325 | IF(getKey('tnat', tnat, isoName(iName)) .OR. getKey('alpha', alpha_ideal, isoName(iName))) & |
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326 | CALL abort_gcm(TRIM(modname), 'missing isotopic parameters', 1) |
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327 | endif |
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328 | q(ijb_u:ije_u, :, iq) = q(ijb_u:ije_u, :, iqParent) * tnat * (q(ijb_u:ije_u, :, iqParent) / 30.e-3)**(alpha_ideal - 1.) |
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329 | ELSE !IF(tracers(iq)%iso_iZone == 0) THEN |
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330 | IF(tracers(iq)%iso_iZone == 1) THEN ! a verifier. |
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331 | ! correction le 14 mai 2024 pour que tous les traceurs soient de la couleur 1. |
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332 | ! Sinon, on va avoir des porblèmes de conservation de masse de traceurs. |
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333 | q(ijb_u:ije_u, :, iq) = q(ijb_u:ije_u, :, iqIsoPha(iName, iPhase)) |
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334 | else !IF(tracers(iq)%iso_iZone == 1) THEN |
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335 | q(ijb_u:ije_u, :, iq) = 0.0 |
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336 | endif !IF(tracers(iq)%iso_iZone == 1) THEN |
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337 | END IF !IF(tracers(iq)%iso_iZone == 0) THEN |
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338 | enddo |
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339 | else |
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340 | q(ijb_u:ije_u, :, :) = 0 |
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341 | endif ! of if (planet_type=="earth") |
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342 | |
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343 | CALL check_isotopes(q, ijb_u, ije_u, 'iniacademic_loc') |
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344 | |
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345 | ! add random perturbation to temperature |
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346 | idum = -1 |
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347 | zz = ran1(idum) |
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348 | idum = 0 |
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349 | DO l = 1, llm |
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350 | DO ij = iip2, ip1jm |
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351 | teta_glo(ij, l) = teta_glo(ij, l) * (1. + tetanoise * ran1(idum)) |
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352 | enddo |
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353 | enddo |
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354 | |
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355 | ! maintain periodicity in longitude |
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356 | DO l = 1, llm |
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357 | DO ij = 1, ip1jmp1, iip1 |
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358 | teta_glo(ij + iim, l) = teta_glo(ij, l) |
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359 | enddo |
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360 | enddo |
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361 | |
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362 | ! copy data from global array to local array: |
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363 | teta(ijb_u:ije_u, :) = teta_glo(ijb_u:ije_u, :) |
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364 | ucov(ijb_u:ije_u, :) = ucov_glo(ijb_u:ije_u, :) |
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365 | ! vcov(ijb_v:ije_v,:)=vcov_glo(ijb_v:ije_v,:) |
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366 | masse(ijb_u:ije_u, :) = masse_glo(ijb_u:ije_u, :) |
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367 | ps(ijb_u:ije_u) = ps_glo(ijb_u:ije_u) |
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368 | phis(ijb_u:ije_u) = phis_glo(ijb_u:ije_u) |
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369 | |
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370 | deallocate(teta_glo) |
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371 | deallocate(ucov_glo) |
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372 | ! deallocate(vcov_glo) |
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373 | deallocate(masse_glo) |
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374 | deallocate(ps_glo) |
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375 | deallocate(phis_glo) |
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376 | ENDIF ! of IF (.NOT. read_start) |
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377 | ENDIF academic_case |
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378 | |
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379 | END SUBROUTINE iniacademic_loc |
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