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2 | ! $Id: iniphysiq.F90 2315 2015-06-25 15:25:50Z emillour $ |
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3 | |
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4 | |
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5 | SUBROUTINE iniphysiq(ii,jj,nlayer,punjours, pdayref,ptimestep, & |
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6 | rlatu,rlonv,aire,cu,cv, & |
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7 | prad,pg,pr,pcpp,iflag_phys) |
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8 | USE dimphy, ONLY: klev ! number of atmospheric levels |
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9 | USE mod_grid_phy_lmdz, ONLY: klon_glo ! number of atmospheric columns |
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10 | ! (on full grid) |
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11 | USE mod_phys_lmdz_para, ONLY: klon_omp, & ! number of columns (on local omp grid) |
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12 | klon_omp_begin, & ! start index of local omp subgrid |
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13 | klon_omp_end, & ! end index of local omp subgrid |
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14 | klon_mpi_begin ! start indes of columns (on local mpi grid) |
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15 | USE vertical_layers_mod, ONLY : init_vertical_layers |
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16 | USE comgeomphy, ONLY: initcomgeomphy, & |
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17 | airephy, & ! physics grid area (m2) |
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18 | cuphy, & ! cu coeff. (u_covariant = cu * u) |
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19 | cvphy, & ! cv coeff. (v_covariant = cv * v) |
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20 | rlond, & ! longitudes |
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21 | rlatd ! latitudes |
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22 | USE inifis_mod, ONLY: inifis |
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23 | USE phyaqua_mod, ONLY: iniaqua |
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24 | IMPLICIT NONE |
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25 | |
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26 | ! ======================================================================= |
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27 | ! Initialisation of the physical constants and some positional and |
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28 | ! geometrical arrays for the physics |
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29 | ! ======================================================================= |
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30 | |
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31 | include "dimensions.h" |
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32 | include "comvert.h" |
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33 | include "iniprint.h" |
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34 | |
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35 | REAL, INTENT (IN) :: prad ! radius of the planet (m) |
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36 | REAL, INTENT (IN) :: pg ! gravitational acceleration (m/s2) |
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37 | REAL, INTENT (IN) :: pr ! ! reduced gas constant R/mu |
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38 | REAL, INTENT (IN) :: pcpp ! specific heat Cp |
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39 | REAL, INTENT (IN) :: punjours ! length (in s) of a standard day |
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40 | INTEGER, INTENT (IN) :: nlayer ! number of atmospheric layers |
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41 | INTEGER, INTENT (IN) :: ii ! number of atmospheric columns along longitudes |
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42 | INTEGER, INTENT (IN) :: jj ! number of atompsheric columns along latitudes |
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43 | REAL, INTENT (IN) :: rlatu(jj+1) ! latitudes of the physics grid |
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44 | REAL, INTENT (IN) :: rlonv(ii+1) ! longitudes of the physics grid |
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45 | REAL, INTENT (IN) :: aire(ii+1,jj+1) ! area of the dynamics grid (m2) |
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46 | REAL, INTENT (IN) :: cu((ii+1)*(jj+1)) ! cu coeff. (u_covariant = cu * u) |
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47 | REAL, INTENT (IN) :: cv((ii+1)*jj) ! cv coeff. (v_covariant = cv * v) |
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48 | INTEGER, INTENT (IN) :: pdayref ! reference day of for the simulation |
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49 | REAL, INTENT (IN) :: ptimestep !physics time step (s) |
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50 | INTEGER, INTENT (IN) :: iflag_phys ! type of physics to be called |
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51 | |
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52 | INTEGER :: ibegin, iend, offset |
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53 | INTEGER :: i,j |
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54 | CHARACTER (LEN=20) :: modname = 'iniphysiq' |
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55 | CHARACTER (LEN=80) :: abort_message |
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56 | REAL :: total_area_phy, total_area_dyn |
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57 | |
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58 | |
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59 | ! global array, on full physics grid: |
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60 | REAL,ALLOCATABLE :: latfi(:) |
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61 | REAL,ALLOCATABLE :: lonfi(:) |
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62 | REAL,ALLOCATABLE :: cufi(:) |
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63 | REAL,ALLOCATABLE :: cvfi(:) |
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64 | REAL,ALLOCATABLE :: airefi(:) |
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65 | |
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66 | IF (nlayer/=klev) THEN |
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67 | WRITE (lunout, *) 'STOP in ', trim(modname) |
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68 | WRITE (lunout, *) 'Problem with dimensions :' |
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69 | WRITE (lunout, *) 'nlayer = ', nlayer |
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70 | WRITE (lunout, *) 'klev = ', klev |
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71 | abort_message = '' |
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72 | CALL abort_gcm(modname, abort_message, 1) |
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73 | END IF |
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74 | |
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75 | !call init_phys_lmdz(ii,jj+1,llm,1,(/(jj-1)*ii+2/)) |
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76 | |
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77 | ! Generate global arrays on full physics grid |
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78 | ALLOCATE(latfi(klon_glo),lonfi(klon_glo),cufi(klon_glo),cvfi(klon_glo)) |
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79 | ALLOCATE(airefi(klon_glo)) |
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80 | |
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81 | IF (klon_glo>1) THEN ! general case |
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82 | ! North pole |
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83 | latfi(1)=rlatu(1) |
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84 | lonfi(1)=0. |
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85 | cufi(1) = cu(1) |
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86 | cvfi(1) = cv(1) |
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87 | DO j=2,jj |
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88 | DO i=1,ii |
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89 | latfi((j-2)*ii+1+i)= rlatu(j) |
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90 | lonfi((j-2)*ii+1+i)= rlonv(i) |
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91 | cufi((j-2)*ii+1+i) = cu((j-1)*(ii+1)+i) |
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92 | cvfi((j-2)*ii+1+i) = cv((j-1)*(ii+1)+i) |
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93 | ENDDO |
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94 | ENDDO |
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95 | ! South pole |
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96 | latfi(klon_glo)= rlatu(jj+1) |
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97 | lonfi(klon_glo)= 0. |
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98 | cufi(klon_glo) = cu((ii+1)*jj+1) |
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99 | cvfi(klon_glo) = cv((ii+1)*jj-ii) |
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100 | |
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101 | ! build airefi(), mesh area on physics grid |
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102 | CALL gr_dyn_fi(1,ii+1,jj+1,klon_glo,aire,airefi) |
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103 | ! Poles are single points on physics grid |
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104 | airefi(1)=sum(aire(1:ii,1)) |
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105 | airefi(klon_glo)=sum(aire(1:ii,jj+1)) |
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106 | |
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107 | ! Sanity check: do total planet area match between physics and dynamics? |
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108 | total_area_dyn=sum(aire(1:ii,1:jj+1)) |
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109 | total_area_phy=sum(airefi(1:klon_glo)) |
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110 | IF (total_area_dyn/=total_area_phy) THEN |
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111 | WRITE (lunout, *) 'iniphysiq: planet total surface discrepancy !!!' |
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112 | WRITE (lunout, *) ' in the dynamics total_area_dyn=', total_area_dyn |
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113 | WRITE (lunout, *) ' but in the physics total_area_phy=', total_area_phy |
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114 | IF (abs(total_area_dyn-total_area_phy)>0.00001*total_area_dyn) THEN |
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115 | ! stop here if the relative difference is more than 0.001% |
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116 | abort_message = 'planet total surface discrepancy' |
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117 | CALL abort_gcm(modname, abort_message, 1) |
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118 | ENDIF |
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119 | ENDIF |
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120 | ELSE ! klon_glo==1, running the 1D model |
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121 | ! just copy over input values |
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122 | latfi(1)=rlatu(1) |
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123 | lonfi(1)=rlonv(1) |
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124 | cufi(1)=cu(1) |
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125 | cvfi(1)=cv(1) |
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126 | airefi(1)=aire(1,1) |
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127 | ENDIF ! of IF (klon_glo>1) |
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128 | |
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129 | !$OMP PARALLEL |
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130 | ! Initialize physical constants in physics: |
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131 | CALL inifis(punjours,prad,pg,pr,pcpp) |
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132 | |
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133 | ! copy over preff , ap(), bp(), etc |
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134 | CALL init_vertical_layers(nlayer,preff,scaleheight, & |
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135 | ap,bp,presnivs,pseudoalt) |
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136 | |
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137 | ! Now generate local lon/lat/cu/cv/area arrays |
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138 | CALL initcomgeomphy |
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139 | |
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140 | offset = klon_mpi_begin - 1 |
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141 | airephy(1:klon_omp) = airefi(offset+klon_omp_begin:offset+klon_omp_end) |
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142 | cuphy(1:klon_omp) = cufi(offset+klon_omp_begin:offset+klon_omp_end) |
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143 | cvphy(1:klon_omp) = cvfi(offset+klon_omp_begin:offset+klon_omp_end) |
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144 | rlond(1:klon_omp) = lonfi(offset+klon_omp_begin:offset+klon_omp_end) |
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145 | rlatd(1:klon_omp) = latfi(offset+klon_omp_begin:offset+klon_omp_end) |
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146 | |
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147 | ! Additional initializations for aquaplanets |
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148 | IF (iflag_phys>=100) THEN |
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149 | CALL iniaqua(klon_omp, rlatd, rlond, iflag_phys) |
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150 | END IF |
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151 | !$OMP END PARALLEL |
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152 | |
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153 | END SUBROUTINE iniphysiq |
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