1 | PROGRAM driver |
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2 | |
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3 | USE IOIPSL, ONLY: getin, ymds2ju, ioconf_calendar |
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4 | USE mod_const_mpi, ONLY: COMM_LMDZ |
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5 | USE control_mod, ONLY: planet_type, config_inca, offline |
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6 | USE control_mod, ONLY: nday, day_step, iphysiq, dayref, anneeref |
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7 | USE infotrac, ONLY: type_trac, nqtot, infotrac_init |
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8 | USE temps_mod, ONLY: calend,start_time,annee_ref,day_ref |
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9 | USE temps_mod, ONLY: itau_dyn,itau_phy,day_ini,jD_ref,jH_ref,day_end,year_len |
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10 | USE comconst_mod, ONLY: cpp, kappa, daysec, dtphys, dtvr, g, r, rad |
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11 | USE comconst_mod, ONLY: daylen, year_day, pi, omeg |
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12 | USE logic_mod, ONLY: iflag_phys |
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13 | USE comvert_mod, ONLY: preff, pa |
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14 | USE inigeomphy_mod, ONLY: inigeomphy |
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15 | USE iniphysiq_mod, ONLY: iniphysiq |
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16 | |
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17 | IMPLICIT NONE |
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18 | |
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19 | include "dimensions.h" |
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20 | include "paramet.h" |
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21 | include "comgeom.h" |
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22 | |
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23 | ! INTEGER :: step_per_day = 24 ! # of physics steps per day |
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24 | |
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25 | INTEGER :: ngrid ! # of grid points on physics grid = 2+(jjm-1)*iim-1/jjm |
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26 | INTEGER :: ig,l |
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27 | |
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28 | ! REAL, PARAMETER :: unjours=86400., & ! solar day in seconds |
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29 | ! & radius=6.4e6, & ! planetary radius |
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30 | ! & g=9.8, & ! gravity |
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31 | ! & cpp=1004., & ! Cp |
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32 | ! & kappa=296.945007/cpp ! R/Cp |
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33 | ! REAL :: timestep !=unjours/step_per_day ! physics time step (s) |
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34 | |
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35 | ! REAL :: psurf=1e5, ptop=1e4, Temp=250. ! initial values of surface pressure, temperature |
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36 | |
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37 | ! dynamics (to load data from start.nc) |
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38 | REAL,ALLOCATABLE :: ucov(:,:) ! covariant zonal wind |
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39 | REAL,ALLOCATABLE :: vcov(:,:) ! covariant meridional wind |
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40 | REAL,ALLOCATABLE :: teta(:,:) ! potential temperature |
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41 | REAL,ALLOCATABLE :: q(:,:,:) ! tracers |
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42 | REAL,ALLOCATABLE :: masse(:,:) ! air mass |
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43 | REAL,ALLOCATABLE :: ps(:) ! surface pressure |
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44 | REAL,ALLOCATABLE :: phis(:) ! surface geopotential |
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45 | REAL :: time_0 |
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46 | |
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47 | ! physics |
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48 | REAL,ALLOCATABLE :: pplev(:,:) ! pressure at interfaces |
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49 | REAL,ALLOCATABLE :: pplay(:,:) ! pressure at full levels |
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50 | REAL,ALLOCATABLE :: pphi(:,:) ! geopotential at full levels |
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51 | REAL,ALLOCATABLE :: pphis(:) ! surface geopotential |
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52 | REAL,ALLOCATABLE :: pt(:,:) ! temperature at full levels |
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53 | REAL,ALLOCATABLE :: pu(:,:) ! zonal wind at full levels |
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54 | REAL,ALLOCATABLE :: pv(:,:) ! meridional wind at full levels |
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55 | REAL,ALLOCATABLE :: pq(:,:,:)! tracers |
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56 | REAL,ALLOCATABLE :: pr(:,:) ! vorticity |
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57 | |
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58 | |
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59 | ! 0. Preliminary stuff: read in parameters from run.def |
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60 | call conf_gcm( 99, .TRUE.) |
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61 | ! call conf_planete |
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62 | |
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63 | daysec=86400. ! day length(s) |
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64 | daylen=daysec |
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65 | year_day=360 ! # days per year |
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66 | rad=6.4e6 ! planet radius (m) |
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67 | g=9.81 ! gravity |
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68 | cpp=1004. ! Cp |
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69 | r=287.05967 ! R |
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70 | kappa=287.05967/cpp ! R/Cp |
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71 | preff=101325.0 |
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72 | pa=preff/2. |
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73 | pi=2.*asin(1.) |
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74 | omeg=2.*pi/daysec*(1./daylen+1./year_day) |
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75 | |
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76 | ! nday = 1 ! simulation lenght (days) |
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77 | ! CALL getin("nday",nday) |
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78 | WRITE(*,*)"driver: nday=",nday |
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79 | |
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80 | ! CALL getin("day_step",day_step) |
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81 | WRITE(*,*)"driver: day_step=",day_step |
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82 | dtphys=daysec/(day_step/iphysiq) ! physics time step (s) |
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83 | dtvr=daysec/day_step |
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84 | WRITE(*,*)"driver: timestep= dtphys=",dtphys |
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85 | |
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86 | |
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87 | |
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88 | ! 1. Initialize setup (geometry, physics) |
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89 | ! 1.0. Parameters |
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90 | planet_type="earth" |
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91 | COMM_LMDZ=1 |
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92 | iflag_phys=1 |
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93 | |
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94 | |
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95 | ! 1.1. Tracers-related |
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96 | type_trac="lmdz" |
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97 | config_inca="none" |
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98 | offline=.false. |
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99 | |
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100 | call infotrac_init |
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101 | |
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102 | ! 1.2. Geometry |
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103 | |
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104 | ! CALL init_latlon(lat, lon) |
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105 | ! WRITE(*,*)"driver: LAT = " , minval(lat), maxval(lat) |
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106 | ! WRITE(*,*)"driver: LON = " , minval(lon), maxval(lon) |
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107 | ! initialize dyn constants and geometry |
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108 | CALL iniconst |
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109 | CALL inigeom |
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110 | |
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111 | ! 1.3. Initial conditions |
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112 | ! dynamics |
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113 | ALLOCATE(ucov(ip1jmp1,llm)) |
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114 | ALLOCATE(vcov(ip1jm,llm)) |
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115 | ALLOCATE(teta(ip1jmp1,llm)) |
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116 | ALLOCATE(q(ip1jmp1,llm,nqtot)) |
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117 | ALLOCATE(masse(ip1jmp1,llm)) |
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118 | ALLOCATE(ps(ip1jmp1)) |
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119 | ALLOCATE(phis(ip1jmp1)) |
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120 | |
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121 | CALL dynetat0("start.nc",vcov,ucov,teta,q,masse,ps,phis,time_0) |
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122 | |
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123 | |
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124 | ! 1.3. Calendar |
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125 | ! annee_ref=2000 |
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126 | ! dayref=1 |
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127 | if (calend == 'earth_360d' ) then |
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128 | call ioconf_calendar('360d') |
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129 | else |
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130 | write(*,*) "potential calendar problem with IOIPSL!!" |
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131 | endif |
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132 | year_len=360 |
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133 | |
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134 | ! annee_ref = anneeref |
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135 | ! day_ref = dayref |
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136 | ! day_ini = dayref |
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137 | itau_dyn = 0 |
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138 | itau_phy = 0 |
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139 | |
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140 | ! Calendar |
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141 | ! call ymds2ju(annee_ref, mois, day_ref, heure, jD_ref) |
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142 | call ymds2ju(annee_ref, 1, day_ref, 0., jD_ref) |
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143 | jH_ref = jD_ref - int(jD_ref) |
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144 | jD_ref = int(jD_ref) |
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145 | ! call ioconf_startdate(INT(jD_ref), jH_ref) |
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146 | |
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147 | |
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148 | day_end = day_ini + nday |
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149 | |
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150 | ! 1.4. Initialize physics |
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151 | ngrid=2+(jjm-1)*iim-1/jjm |
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152 | write(*,*) "driver: ngrid=",ngrid |
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153 | CALL iniphysiq(iim,jjm,llm, & |
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154 | ngrid,comm_lmdz, & |
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155 | daysec,day_ini,dtphys, & |
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156 | rlatu,rlatv,rlonu,rlonv,aire,cu,cv,rad,g,r,cpp, & |
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157 | iflag_phys) |
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158 | |
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159 | |
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160 | ! 2. Initialize fields on physics grid |
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161 | |
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162 | ALLOCATE(pplev(ngrid,llm+1)) ! pressure at interfaces |
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163 | ALLOCATE(pplay(ngrid,llm)) ! pressure at full levels |
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164 | ALLOCATE(pphi(ngrid,llm)) ! geopotential at full levels |
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165 | ALLOCATE(pphis(ngrid)) ! surface geopotential |
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166 | ALLOCATE(pt(ngrid,llm)) ! temperature (K) at full levels |
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167 | ALLOCATE(pu(ngrid,llm)) ! zonal wind (m/s) at full levels |
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168 | ALLOCATE(pr(ngrid,llm)) ! relative vorticity |
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169 | ALLOCATE(pv(ngrid,llm)) ! meridional wind at full levels |
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170 | ALLOCATE(pq(ngrid,llm,nqtot)) ! tracers |
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171 | |
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172 | CALL init_temperature_pressure_geopot(ps,masse,teta,phis, & |
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173 | ngrid,pplev,pplay,pphi,pphis,pt) |
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174 | CALL init_winds_tracers(ucov,vcov,q,nqtot, & |
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175 | ngrid,pu,pv,pr,pq) |
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176 | |
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177 | ! 3. Temporal loop |
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178 | |
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179 | ! First time on GPU |
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180 | !$acc data create(pplev, pplay, pphi, pphis, pt, pu, pv, pq, pr) |
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181 | |
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182 | CALL timeloop(ngrid,llm,nqtot,nday,day_step/iphysiq,dtphys,& |
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183 | pplev,pplay,pphi,pphis,& |
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184 | pu,pv,pr,pt,pq) |
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185 | |
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186 | !$acc end data |
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187 | |
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188 | ! output final state as plain text file |
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189 | open(10,file="driver.dat") |
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190 | do ig=1,ngrid |
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191 | do l=1,llm |
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192 | write(10,"(I5,I3,X,20(1PE15.8,X))") & |
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193 | ig,l,pu(ig,l),pv(ig,l),pt(ig,l)!,pq(ig,l,1:nqtot) |
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194 | enddo |
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195 | enddo |
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196 | close(10) |
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197 | |
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198 | write(*,*)"driver: Everything is cool :-)" |
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199 | |
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200 | CONTAINS |
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201 | |
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202 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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203 | |
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204 | SUBROUTINE timeloop(ngrid,llm,nqtot,nday,calls_per_day,dtphys,& |
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205 | pplev,pplay,pphi,pphis,& |
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206 | pu,pv,pr,pt,pq) |
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207 | |
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208 | USE comvert_mod, ONLY: presnivs |
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209 | USE physiq_mod, ONLY: physiq |
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210 | USE comconst_mod, ONLY: r |
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211 | IMPLICIT NONE |
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212 | |
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213 | INTEGER,INTENT(IN) :: ngrid ! # number of atmospheric columns |
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214 | INTEGER,INTENT(IN) :: llm ! # number of vertical levels |
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215 | INTEGER,INTENT(IN) :: nqtot ! # of tracers |
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216 | INTEGER,INTENT(IN) :: nday ! # of days to run |
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217 | INTEGER,INTENT(IN) :: calls_per_day ! # number of calls to physics per day |
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218 | REAL,INTENT(IN) :: dtphys ! physics time step (s) |
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219 | REAL,INTENT(INOUT) :: pplev(ngrid,llm+1) ! pressure at interfaces |
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220 | REAL,INTENT(INOUT) :: pplay(ngrid,llm) ! pressure at mid-layer |
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221 | REAL,INTENT(INOUT) :: pphi(ngrid,llm) ! geopotential at mid-layer |
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222 | REAL,INTENT(INOUT) :: pphis(ngrid) ! surface geopotential |
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223 | REAL,INTENT(INOUT) :: pu(ngrid,llm) ! zonal wind (m/s) |
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224 | REAL,INTENT(INOUT) :: pv(ngrid,llm) ! meridional wind (m/s) |
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225 | REAL,INTENT(INOUT) :: pr(ngrid,llm) ! relative vorticity |
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226 | REAL,INTENT(INOUT) :: pt(ngrid,llm) ! temperature (K) |
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227 | REAL,INTENT(INOUT) :: pq(ngrid,llm,nqtot) ! tracers |
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228 | |
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229 | LOGICAL,SAVE :: firstcall=.true. |
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230 | LOGICAL,SAVE :: lastcall=.false. |
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231 | REAL :: JD_cur ! Julian day |
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232 | REAL :: JH_cur ! Julian hour (fraction of day) |
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233 | ! tendencies from the physics |
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234 | REAL :: pdu(ngrid,llm) |
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235 | REAL :: pdv(ngrid,llm) |
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236 | REAL :: pdt(ngrid,llm) |
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237 | REAL :: pdq(ngrid,llm,nqtot) |
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238 | REAL :: pdps(ngrid) |
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239 | |
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240 | INTEGER :: iday,istep |
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241 | INTEGER :: ig,l |
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242 | REAL :: rho,gdz |
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243 | |
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244 | REAL :: flxw(ngrid,llm) ! vertical mass flux ! set to zero here. |
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245 | REAL :: phi_top(ngrid) |
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246 | !$acc data present(pplev,pplay,pphi,pphis,pu,pv,pt,pq) & |
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247 | !$acc & create(phi_top,flxw,pdu,pdv,pdt,pdq,pdps) |
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248 | |
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249 | flxw(1:ngrid,1:llm)=0. |
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250 | |
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251 | DO iday=1,nday |
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252 | JD_cur=iday |
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253 | DO istep = 0, calls_per_day-1 |
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254 | JH_cur=istep/calls_per_day |
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255 | if ((iday==nday).and.(istep==calls_per_day-1)) lastcall=.true. |
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256 | CALL physiq(ngrid,llm,firstcall,lastcall,dtphys, & |
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257 | pplev,pplay,pphi,pphis, & |
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258 | presnivs, & |
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259 | pu,pv,pr,pt,pq,flxw, & |
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260 | pdu,pdv,pdt,pdq,pdps) |
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261 | firstcall=.false. |
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262 | |
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263 | ! add increments sent back from physics: |
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264 | !$acc kernels default(present) |
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265 | pt(:,:)=pt(:,:)+dtphys*pdt(:,:) |
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266 | pu(:,:)=pu(:,:)+dtphys*pdu(:,:) |
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267 | pv(:,:)=pv(:,:)+dtphys*pdv(:,:) |
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268 | pq(:,:,:)=pq(:,:,:)+dtphys*pdq(:,:,:) |
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269 | |
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270 | ! Recomputation of relative geopotential: |
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271 | phi_top(:)=0 |
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272 | !$acc loop private(rho, gdz) |
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273 | do l=1,llm |
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274 | do ig=1,ngrid |
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275 | ! rho=p/RT |
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276 | rho=r*pplay(ig,l)/pt(ig,l) |
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277 | gdz=(pplev(ig,l)-pplev(ig,l+1))/rho ! layer thickness * g |
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278 | pphi(ig,l)=phi_top(ig)+0.5*gdz ! geopotential at mid-layer |
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279 | phi_top(ig)=phi_top(ig)+gdz ! geopotential at layer top |
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280 | enddo |
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281 | enddo |
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282 | !$acc end kernels |
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283 | |
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284 | ENDDO ! of DO istep = 0, day_step-1 |
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285 | ENDDO ! of DO iday=0,nday-1 |
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286 | |
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287 | !$acc end data |
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288 | |
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289 | END SUBROUTINE timeloop |
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290 | |
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291 | |
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292 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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293 | |
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294 | SUBROUTINE init_winds_tracers(ucov,vcov,q,nqtot, & |
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295 | ngrid,pu,pv,pr,pq) |
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296 | |
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297 | USE comconst_mod, ONLY: pi |
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298 | |
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299 | IMPLICIT NONE |
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300 | |
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301 | include "dimensions.h" |
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302 | include "paramet.h" |
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303 | include "comgeom2.h" |
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304 | |
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305 | REAL,INTENT(IN) :: ucov(iip1,jjp1,llm) ! covariant meridional velocity |
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306 | REAL,INTENT(IN) :: vcov(iip1,jjm,llm) ! covariant zonal wind |
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307 | REAL,INTENT(IN) :: q(iip1,jjp1,llm,nqtot) ! tracers |
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308 | INTEGER,INTENT(IN) :: nqtot ! # of tracers |
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309 | INTEGER,INTENT(IN) :: ngrid ! # of physics columns |
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310 | REAL,INTENT(OUT) :: pu(ngrid,llm) ! zonal wind speed on physics grid |
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311 | REAL,INTENT(OUT) :: pv(ngrid,llm) ! meridional wind speed on physics grid |
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312 | REAL,INTENT(OUT) :: pr(ngrid,llm) ! vorticity on physics grid |
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313 | REAL,INTENT(OUT) :: pq(ngrid,llm,nqtot) ! tracers on physics grid |
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314 | |
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315 | INTEGER :: i,j,l,iq,ig0 |
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316 | REAL :: rot(iim,jjm,llm) ! rot, on dynamics grid |
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317 | REAL :: z1(iim),zsin(iim),zcos(iim) |
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318 | REAL,EXTERNAL :: ssum |
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319 | |
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320 | ! 1. Compute zonal wind on physics grid |
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321 | do l=1,llm |
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322 | do j=2,jjm |
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323 | ig0=1+(j-2)*iim |
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324 | pu(ig0+1,l)=0.5*(ucov(iim,j,l)/cu(iim,j) + ucov(1,j,l)/cu(1,j)) |
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325 | do i=2,iim |
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326 | pu(ig0+i,l)=0.5*(ucov(i-1,j,l)/cu(i-1,j) + ucov(i,j,l)/cu(i,j)) |
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327 | enddo |
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328 | enddo ! of do j=2,jjm |
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329 | enddo ! of do l=1,llm |
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330 | |
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331 | ! North pole: u = 1/pi * Integral[v * cos(long) * d long] |
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332 | do l=1,llm |
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333 | z1(1)=(rlonu(1)-rlonu(iim)+2.*pi)*vcov(1,1,l)/cv(1,1) |
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334 | do i=2,iim |
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335 | z1(i)=(rlonu(i)-rlonu(i-1))*vcov(i,1,l)/cv(i,1) |
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336 | enddo |
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337 | zcos(1:iim)=cos(rlonv(1:iim))*z1(1:iim) |
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338 | pu(1,l)=ssum(iim,zcos,1)/pi |
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339 | enddo ! of l=1,llm |
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340 | |
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341 | ! South pole: u = 1/pi * Integral[v * cos(long) * d long] |
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342 | do l=1,llm |
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343 | z1(1)=(rlonu(1)-rlonu(iim)+2.*pi)*vcov(1,jjm,l)/cv(1,jjm) |
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344 | do i=2,iim |
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345 | z1(i)=(rlonu(i)-rlonu(i-1))*vcov(i,jjm,l)/cv(i,jjm) |
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346 | enddo |
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347 | zcos(1:iim)=cos(rlonv(1:iim))*z1(1:iim) |
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348 | pu(ngrid,l)=ssum(iim,zcos,1)/pi |
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349 | enddo ! of do l=1,llm |
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350 | |
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351 | |
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352 | ! 2. Compute meridional wind on physics grid |
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353 | do l=1,llm |
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354 | do j=2,jjm |
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355 | ig0=1+(j-2)*iim |
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356 | do i=1,iim |
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357 | pv(ig0+i,l)=0.5*(vcov(i,j-1,l)/cv(i,j-1) + vcov(i,j,l)/cv(i,j)) |
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358 | enddo |
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359 | enddo ! of do j=2,jjm |
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360 | enddo ! of do l=1,llm |
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361 | |
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362 | ! North pole: v = 1/pi * Integral[v * sin(long) * d long ] |
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363 | do l=1,llm |
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364 | z1(1)=(rlonu(1)-rlonu(iim)+2.*pi)*vcov(1,1,l)/cv(1,1) |
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365 | do i=2,iim |
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366 | z1(i)=(rlonu(i)-rlonu(i-1))*vcov(i,1,l)/cv(i,1) |
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367 | enddo |
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368 | zsin(1:iim)=sin(rlonv(1:iim))*z1(1:iim) |
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369 | pv(1,l)=ssum(iim,zsin,1)/pi |
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370 | enddo ! of l=1,llm |
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371 | |
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372 | ! South pole: v = 1/pi * Integral[v * sin(long) * d long ] |
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373 | do l=1,llm |
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374 | z1(1)=(rlonu(1)-rlonu(iim)+2.*pi)*vcov(1,jjm,l)/cv(1,jjm) |
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375 | do i=2,iim |
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376 | z1(i)=(rlonu(i)-rlonu(i-1))*vcov(i,jjm,l)/cv(i,jjm) |
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377 | enddo |
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378 | zsin(1:iim)=sin(rlonv(1:iim))*z1(1:iim) |
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379 | pv(ngrid,l)=ssum(iim,zsin,1)/pi |
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380 | enddo ! of do l=1,llm |
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381 | |
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382 | |
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383 | ! 3. Compute vorticity, first on dynamics grid |
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384 | do l=1,llm |
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385 | do i=1,iim |
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386 | do j=1,jjm |
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387 | rot(i,j,l)=(vcov(i+1,j,l)-vcov(i,j,l) + ucov(i,j+1,l)-ucov(i,j,l)) / & |
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388 | ((cu(i,j)+cu(i,j+1))*(cv(i+1,j)+cv(i,j))*4) |
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389 | enddo |
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390 | enddo ! of do i=1,iim |
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391 | enddo ! of do l=1,llm |
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392 | |
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393 | ! compute vorticity, on physics grid |
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394 | do l=1,llm |
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395 | ! North Pole: |
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396 | pr(1,l)=0. |
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397 | do j=2,jjm |
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398 | ig0=1+(j-2)*iim |
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399 | pr(ig0+1,l)=0.25*(rot(iim,j-1,l)+rot(iim,j,l)+ & |
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400 | rot(1,j-1,l)+rot(1,j,l)) |
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401 | do i=2,iim |
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402 | pr(ig0+i,l)=0.25*(rot(i-1,j-1,l)+rot(i-1,j,l)+ & |
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403 | rot(i,j-1,l)+rot(i,j,l)) |
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404 | enddo |
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405 | enddo ! of do j=2,jjm |
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406 | ! South pole |
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407 | pr(ngrid,l)=0. |
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408 | enddo ! of do l=1,llm |
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409 | |
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410 | ! 4. Tracers, copy them over to the physics grid |
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411 | do iq=1,nqtot |
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412 | CALL gr_dyn_fi(llm,iip1,jjp1,ngrid,q(1,1,1,iq),pq(1,1,iq)) |
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413 | enddo |
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414 | |
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415 | END SUBROUTINE init_winds_tracers |
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416 | |
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417 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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418 | |
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419 | SUBROUTINE init_temperature_pressure_geopot(ps,masse,teta,phis, & |
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420 | ngrid,pplev,pplay,pphi,pphis,pt) |
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421 | |
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422 | USE comvert_mod, ONLY: ap,bp |
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423 | USE exner_hyb_m, ONLY: exner_hyb |
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424 | USE comconst_mod, ONLY: cpp |
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425 | |
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426 | IMPLICIT NONE |
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427 | |
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428 | include "dimensions.h" |
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429 | include "paramet.h" |
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430 | |
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431 | REAL,INTENT(IN) :: ps(ip1jmp1) ! surface pressure (Pa) on dyn grid |
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432 | REAL,INTENT(IN) :: masse(ip1jmp1,llm) ! air mass on dyn. grid |
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433 | REAL,INTENT(IN) :: teta(ip1jmp1,llm) ! potential temperature on dyn grid |
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434 | REAL,INTENT(IN) :: phis(ip1jmp1) ! surface geopotential on dyn grid |
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435 | INTEGER,INTENT(IN) :: ngrid ! # of physics columns |
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436 | REAL,INTENT(OUT) :: pplev(ngrid,llm+1) ! pressure at interfaces |
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437 | REAL,INTENT(OUT) :: pplay(ngrid, llm) ! pressure at mid-layer |
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438 | REAL,INTENT(OUT) :: pphi(ngrid, llm) ! geopotential phi=gz at mid-layer |
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439 | REAL,INTENT(OUT) :: pphis(ngrid) ! surface geopotential |
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440 | REAL,INTENT(OUT) :: pt(ngrid, llm) ! temperature at mid-layer |
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441 | |
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442 | REAL :: p(ip1jmp1,llmp1) ! interlayer pressure on dynamics grid |
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443 | REAL :: pks(ip1jmp1) ! Exner at the surface |
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444 | REAL :: pk(ip1jmp1,llm) ! Exner at mid-layer |
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445 | REAL :: phi(ip1jmp1,llm) ! Geopotential on dynamics grid |
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446 | |
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447 | REAL :: ppk(ngrid,llm) ! Exner at mid-layer on physics grid |
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448 | REAL :: pteta(ngrid,llm) ! potential temperature on physics grid |
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449 | |
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450 | INTEGER :: ig,l |
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451 | |
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452 | ! 1. Compute necessary intermediate variables on dynamics grid |
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453 | ! Compute pressure on dynamics grid |
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454 | CALL pression(ip1jmp1,ap,bp,ps,p) |
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455 | ! Compute Exner on dynamics grid |
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456 | CALL exner_hyb(ip1jmp1,ps,p,pks,pk) |
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457 | ! Compute geopotential on dynamics grid |
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458 | CALL geopot(ip1jmp1,teta,pk,pks,phis,phi) |
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459 | |
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460 | ! 2. Output fields, on physics grid |
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461 | |
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462 | ! Copy over p() to pplev() |
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463 | CALL gr_dyn_fi(llm+1,iip1,jjp1,ngrid,p,pplev) |
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464 | |
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465 | ! Compute pplay() based on ab(),bp() and pplev(:,1) (surface pressure) |
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466 | do ig=1,ngrid |
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467 | pplay(ig,1:llm)=0.5*(ap(1:llm)+bp(1:llm)*pplev(ig,1)+& |
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468 | ap(2:llm+1)+bp(2:llm+1)*pplev(ig,1)) |
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469 | enddo |
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470 | |
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471 | ! Copy surface geopotential phis() to pphis() |
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472 | CALL gr_dyn_fi(1,iip1,jjp1,ngrid,phis,pphis) |
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473 | |
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474 | ! Copy geopotential phi() to pphi() |
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475 | CALL gr_dyn_fi(llm,iip1,jjp1,ngrid,phi,pphi) |
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476 | ! and make pphi relative to surface |
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477 | do l=1,llm |
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478 | pphi(1:ngrid,l)=pphi(1:ngrid,l)-pphis(1:ngrid) |
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479 | enddo |
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480 | |
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481 | ! Compute temperature from teta, on physics grid |
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482 | CALL gr_dyn_fi(llm,iip1,jjp1,ngrid,pk,ppk) |
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483 | CALL gr_dyn_fi(llm,iip1,jjp1,ngrid,teta,pteta) |
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484 | do l=1,llm |
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485 | pt(1:ngrid,l)=pteta(1:ngrid,l)*ppk(1:ngrid,l)/cpp |
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486 | enddo |
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487 | |
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488 | |
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489 | END SUBROUTINE init_temperature_pressure_geopot |
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490 | |
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491 | END PROGRAM driver |
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