| 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 | |
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| 27 | ! REAL, PARAMETER :: unjours=86400., & ! solar day in seconds |
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| 28 | ! & radius=6.4e6, & ! planetary radius |
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| 29 | ! & g=9.8, & ! gravity |
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| 30 | ! & cpp=1004., & ! Cp |
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| 31 | ! & kappa=296.945007/cpp ! R/Cp |
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| 32 | ! REAL :: timestep !=unjours/step_per_day ! physics time step (s) |
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| 33 | |
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| 34 | ! REAL :: psurf=1e5, ptop=1e4, Temp=250. ! initial values of surface pressure, temperature |
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| 35 | |
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| 36 | ! dynamics (to load data from start.nc) |
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| 37 | REAL,ALLOCATABLE :: ucov(:,:) ! covariant zonal wind |
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| 38 | REAL,ALLOCATABLE :: vcov(:,:) ! covariant meridional wind |
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| 39 | REAL,ALLOCATABLE :: teta(:,:) ! potential temperature |
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| 40 | REAL,ALLOCATABLE :: q(:,:,:) ! tracers |
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| 41 | REAL,ALLOCATABLE :: masse(:,:) ! air mass |
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| 42 | REAL,ALLOCATABLE :: ps(:) ! surface pressure |
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| 43 | REAL,ALLOCATABLE :: phis(:) ! surface geopotential |
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| 44 | REAL :: time_0 |
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| 45 | |
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| 46 | ! physics |
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| 47 | REAL,ALLOCATABLE :: pplev(:,:) ! pressure at interfaces |
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| 48 | REAL,ALLOCATABLE :: pplay(:,:) ! pressure at full levels |
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| 49 | REAL,ALLOCATABLE :: pphi(:,:) ! geopotential at full levels |
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| 50 | REAL,ALLOCATABLE :: pphis(:) ! surface geopotential |
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| 51 | REAL,ALLOCATABLE :: pt(:,:) ! temperature at full levels |
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| 52 | REAL,ALLOCATABLE :: pu(:,:) ! zonal wind at full levels |
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| 53 | REAL,ALLOCATABLE :: pv(:,:) ! meridional wind at full levels |
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| 54 | REAL,ALLOCATABLE :: pq(:,:,:)! tracers |
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| 55 | REAL,ALLOCATABLE :: pr(:,:) ! vorticity |
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| 56 | |
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| 57 | !$acc data create(pplev, pplay, pphi, pphis, pt, pu, pv, pq, pr) |
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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 | CALL timeloop(ngrid,llm,nqtot,nday,day_step/iphysiq,dtphys,& |
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| 180 | pplev,pplay,pphi,pphis,& |
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| 181 | pu,pv,pr,pt,pq) |
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| 182 | |
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| 183 | !$acc end data |
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| 184 | |
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| 185 | write(*,*)"driver: Everything is cool :-)" |
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| 186 | |
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| 187 | CONTAINS |
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| 188 | |
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| 189 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 190 | |
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| 191 | SUBROUTINE timeloop(ngrid,llm,nqtot,nday,calls_per_day,dtphys,& |
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| 192 | pplev,pplay,pphi,pphis,& |
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| 193 | pu,pv,pr,pt,pq) |
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| 194 | |
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| 195 | USE comvert_mod, ONLY: presnivs |
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| 196 | USE physiq_mod, ONLY: physiq |
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| 197 | USE comconst_mod, ONLY: r |
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| 198 | IMPLICIT NONE |
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| 199 | |
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| 200 | INTEGER,INTENT(IN) :: ngrid ! # number of atmospheric columns |
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| 201 | INTEGER,INTENT(IN) :: llm ! # number of vertical levels |
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| 202 | INTEGER,INTENT(IN) :: nqtot ! # of tracers |
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| 203 | INTEGER,INTENT(IN) :: nday ! # of days to run |
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| 204 | INTEGER,INTENT(IN) :: calls_per_day ! # number of calls to physics per day |
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| 205 | REAL,INTENT(IN) :: dtphys ! physics time step (s) |
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| 206 | REAL,INTENT(INOUT) :: pplev(ngrid,llm+1) ! pressure at interfaces |
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| 207 | REAL,INTENT(INOUT) :: pplay(ngrid,llm) ! pressure at mid-layer |
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| 208 | REAL,INTENT(INOUT) :: pphi(ngrid,llm) ! geopotential at mid-layer |
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| 209 | REAL,INTENT(INOUT) :: pphis(ngrid) ! surface geopotential |
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| 210 | REAL,INTENT(INOUT) :: pu(ngrid,llm) ! zonal wind (m/s) |
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| 211 | REAL,INTENT(INOUT) :: pv(ngrid,llm) ! meridional wind (m/s) |
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| 212 | REAL,INTENT(INOUT) :: pr(ngrid,llm) ! relative vorticity |
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| 213 | REAL,INTENT(INOUT) :: pt(ngrid,llm) ! temperature (K) |
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| 214 | REAL,INTENT(INOUT) :: pq(ngrid,llm,nqtot) ! tracers |
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| 215 | |
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| 216 | LOGICAL,SAVE :: firstcall=.true. |
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| 217 | LOGICAL,SAVE :: lastcall=.false. |
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| 218 | REAL :: JD_cur ! Julian day |
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| 219 | REAL :: JH_cur ! Julian hour (fraction of day) |
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| 220 | ! tendencies from the physics |
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| 221 | REAL :: pdu(ngrid,llm) |
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| 222 | REAL :: pdv(ngrid,llm) |
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| 223 | REAL :: pdt(ngrid,llm) |
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| 224 | REAL :: pdq(ngrid,llm,nqtot) |
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| 225 | REAL :: pdps(ngrid) |
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| 226 | !$acc data create(pdu,pdv,pdt,pdq,pdps) |
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| 227 | |
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| 228 | INTEGER :: iday,istep |
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| 229 | INTEGER :: ig,l |
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| 230 | REAL :: rho,gdz |
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| 231 | |
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| 232 | REAL :: flxw(ngrid,llm) ! vertical mass flux ! set to zero here. |
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| 233 | REAL :: phi_top(ngrid) |
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| 234 | !$acc data create(phi_top,flxw) |
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| 235 | |
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| 236 | flxw(1:ngrid,1:llm)=0. |
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| 237 | |
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| 238 | DO iday=1,nday |
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| 239 | JD_cur=iday |
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| 240 | DO istep = 0, calls_per_day-1 |
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| 241 | JH_cur=istep/calls_per_day |
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| 242 | if ((iday==nday).and.(istep==calls_per_day-1)) lastcall=.true. |
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| 243 | CALL physiq(ngrid,llm,firstcall,lastcall,dtphys, & |
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| 244 | pplev,pplay,pphi,pphis, & |
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| 245 | presnivs, & |
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| 246 | pu,pv,pr,pt,pq,flxw, & |
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| 247 | pdu,pdv,pdt,pdq,pdps) |
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| 248 | firstcall=.false. |
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| 249 | |
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| 250 | ! add increments sent back from physics: |
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| 251 | !$acc kernels default(present) |
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| 252 | pt(:,:)=pt(:,:)+dtphys*pdt(:,:) |
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| 253 | pu(:,:)=pu(:,:)+dtphys*pdu(:,:) |
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| 254 | pv(:,:)=pv(:,:)+dtphys*pdv(:,:) |
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| 255 | pq(:,:,:)=pq(:,:,:)+dtphys*pdq(:,:,:) |
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| 256 | !$acc end kernels |
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| 257 | |
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| 258 | ! Recomputation of relative geopotential: |
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| 259 | phi_top(:)=0 |
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| 260 | !$acc loop private(rho, gdz) |
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| 261 | do l=1,llm |
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| 262 | do ig=1,ngrid |
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| 263 | ! rho=p/RT |
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| 264 | rho=r*pplay(ig,l)/pt(ig,l) |
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| 265 | gdz=(pplev(ig,l)-pplev(ig,l+1))/rho ! layer thickness * g |
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| 266 | pphi(ig,l)=phi_top(ig)+0.5*gdz ! geopotential at mid-layer |
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| 267 | phi_top(ig)=phi_top(ig)+gdz ! geopotential at layer top |
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| 268 | enddo |
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| 269 | enddo |
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| 270 | !$acc end kernels |
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| 271 | |
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| 272 | ENDDO ! of DO istep = 0, day_step-1 |
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| 273 | ENDDO ! of DO iday=0,nday-1 |
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| 274 | |
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| 275 | END SUBROUTINE timeloop |
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| 276 | |
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| 277 | |
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| 278 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 279 | |
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| 280 | SUBROUTINE init_winds_tracers(ucov,vcov,q,nqtot, & |
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| 281 | ngrid,pu,pv,pr,pq) |
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| 282 | |
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| 283 | USE comconst_mod, ONLY: pi |
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| 284 | |
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| 285 | IMPLICIT NONE |
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| 286 | |
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| 287 | include "dimensions.h" |
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| 288 | include "paramet.h" |
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| 289 | include "comgeom2.h" |
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| 290 | |
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| 291 | REAL,INTENT(IN) :: ucov(iip1,jjp1,llm) ! covariant meridional velocity |
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| 292 | REAL,INTENT(IN) :: vcov(iip1,jjm,llm) ! covariant zonal wind |
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| 293 | REAL,INTENT(IN) :: q(iip1,jjp1,llm,nqtot) ! tracers |
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| 294 | INTEGER,INTENT(IN) :: nqtot ! # of tracers |
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| 295 | INTEGER,INTENT(IN) :: ngrid ! # of physics columns |
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| 296 | REAL,INTENT(OUT) :: pu(ngrid,llm) ! zonal wind speed on physics grid |
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| 297 | REAL,INTENT(OUT) :: pv(ngrid,llm) ! meridional wind speed on physics grid |
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| 298 | REAL,INTENT(OUT) :: pr(ngrid,llm) ! vorticity on physics grid |
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| 299 | REAL,INTENT(OUT) :: pq(ngrid,llm,nqtot) ! tracers on physics grid |
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| 300 | |
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| 301 | INTEGER :: i,j,l,iq,ig0 |
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| 302 | REAL :: rot(iim,jjm,llm) ! rot, on dynamics grid |
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| 303 | REAL :: z1(iim),zsin(iim),zcos(iim) |
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| 304 | REAL,EXTERNAL :: ssum |
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| 305 | |
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| 306 | ! 1. Compute zonal wind on physics grid |
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| 307 | do l=1,llm |
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| 308 | do j=2,jjm |
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| 309 | ig0=1+(j-2)*iim |
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| 310 | pu(ig0+1,l)=0.5*(ucov(iim,j,l)/cu(iim,j) + ucov(1,j,l)/cu(1,j)) |
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| 311 | do i=2,iim |
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| 312 | 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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| 313 | enddo |
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| 314 | enddo ! of do j=2,jjm |
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| 315 | enddo ! of do l=1,llm |
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| 316 | |
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| 317 | ! North pole: u = 1/pi * Integral[v * cos(long) * d long] |
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| 318 | do l=1,llm |
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| 319 | z1(1)=(rlonu(1)-rlonu(iim)+2.*pi)*vcov(1,1,l)/cv(1,1) |
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| 320 | do i=2,iim |
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| 321 | z1(i)=(rlonu(i)-rlonu(i-1))*vcov(i,1,l)/cv(i,1) |
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| 322 | enddo |
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| 323 | zcos(1:iim)=cos(rlonv(1:iim))*z1(1:iim) |
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| 324 | pu(1,l)=ssum(iim,zcos,1)/pi |
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| 325 | enddo ! of l=1,llm |
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| 326 | |
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| 327 | ! South pole: u = 1/pi * Integral[v * cos(long) * d long] |
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| 328 | do l=1,llm |
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| 329 | z1(1)=(rlonu(1)-rlonu(iim)+2.*pi)*vcov(1,jjm,l)/cv(1,jjm) |
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| 330 | do i=2,iim |
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| 331 | z1(i)=(rlonu(i)-rlonu(i-1))*vcov(i,jjm,l)/cv(i,jjm) |
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| 332 | enddo |
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| 333 | zcos(1:iim)=cos(rlonv(1:iim))*z1(1:iim) |
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| 334 | pu(ngrid,l)=ssum(iim,zcos,1)/pi |
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| 335 | enddo ! of do l=1,llm |
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| 336 | |
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| 337 | |
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| 338 | ! 2. Compute meridional wind on physics grid |
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| 339 | do l=1,llm |
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| 340 | do j=2,jjm |
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| 341 | ig0=1+(j-2)*iim |
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| 342 | do i=1,iim |
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| 343 | 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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| 344 | enddo |
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| 345 | enddo ! of do j=2,jjm |
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| 346 | enddo ! of do l=1,llm |
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| 347 | |
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| 348 | ! North pole: v = 1/pi * Integral[v * sin(long) * d long ] |
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| 349 | do l=1,llm |
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| 350 | z1(1)=(rlonu(1)-rlonu(iim)+2.*pi)*vcov(1,1,l)/cv(1,1) |
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| 351 | do i=2,iim |
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| 352 | z1(i)=(rlonu(i)-rlonu(i-1))*vcov(i,1,l)/cv(i,1) |
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| 353 | enddo |
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| 354 | zsin(1:iim)=sin(rlonv(1:iim))*z1(1:iim) |
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| 355 | pv(1,l)=ssum(iim,zsin,1)/pi |
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| 356 | enddo ! of l=1,llm |
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| 357 | |
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| 358 | ! South pole: v = 1/pi * Integral[v * sin(long) * d long ] |
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| 359 | do l=1,llm |
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| 360 | z1(1)=(rlonu(1)-rlonu(iim)+2.*pi)*vcov(1,jjm,l)/cv(1,jjm) |
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| 361 | do i=2,iim |
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| 362 | z1(i)=(rlonu(i)-rlonu(i-1))*vcov(i,jjm,l)/cv(i,jjm) |
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| 363 | enddo |
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| 364 | zsin(1:iim)=sin(rlonv(1:iim))*z1(1:iim) |
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| 365 | pv(ngrid,l)=ssum(iim,zsin,1)/pi |
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| 366 | enddo ! of do l=1,llm |
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| 367 | |
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| 368 | |
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| 369 | ! 3. Compute vorticity, first on dynamics grid |
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| 370 | do l=1,llm |
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| 371 | do i=1,iim |
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| 372 | do j=1,jjm |
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| 373 | 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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| 374 | ((cu(i,j)+cu(i,j+1))*(cv(i+1,j)+cv(i,j))*4) |
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| 375 | enddo |
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| 376 | enddo ! of do i=1,iim |
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| 377 | enddo ! of do l=1,llm |
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| 378 | |
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| 379 | ! compute vorticity, on physics grid |
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| 380 | do l=1,llm |
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| 381 | ! North Pole: |
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| 382 | pr(1,l)=0. |
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| 383 | do j=2,jjm |
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| 384 | ig0=1+(j-2)*iim |
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| 385 | pr(ig0+1,l)=0.25*(rot(iim,j-1,l)+rot(iim,j,l)+ & |
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| 386 | rot(1,j-1,l)+rot(1,j,l)) |
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| 387 | do i=2,iim |
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| 388 | pr(ig0+i,l)=0.25*(rot(i-1,j-1,l)+rot(i-1,j,l)+ & |
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| 389 | rot(i,j-1,l)+rot(i,j,l)) |
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| 390 | enddo |
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| 391 | enddo ! of do j=2,jjm |
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| 392 | ! South pole |
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| 393 | pr(ngrid,l)=0. |
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| 394 | enddo ! of do l=1,llm |
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| 395 | |
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| 396 | ! 4. Tracers, copy them over to the physics grid |
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| 397 | do iq=1,nqtot |
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| 398 | CALL gr_dyn_fi(llm,iip1,jjp1,ngrid,q(1,1,1,iq),pq(1,1,iq)) |
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| 399 | enddo |
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| 400 | |
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| 401 | END SUBROUTINE init_winds_tracers |
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| 402 | |
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| 403 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 404 | |
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| 405 | SUBROUTINE init_temperature_pressure_geopot(ps,masse,teta,phis, & |
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| 406 | ngrid,pplev,pplay,pphi,pphis,pt) |
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| 407 | |
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| 408 | USE comvert_mod, ONLY: ap,bp |
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| 409 | USE exner_hyb_m, ONLY: exner_hyb |
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| 410 | USE comconst_mod, ONLY: cpp |
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| 411 | USE geopot_mod, ONLY: geopot |
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| 412 | |
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| 413 | IMPLICIT NONE |
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| 414 | |
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| 415 | include "dimensions.h" |
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| 416 | include "paramet.h" |
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| 417 | |
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| 418 | REAL,INTENT(IN) :: ps(ip1jmp1) ! surface pressure (Pa) on dyn grid |
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| 419 | REAL,INTENT(IN) :: masse(ip1jmp1,llm) ! air mass on dyn. grid |
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| 420 | REAL,INTENT(IN) :: teta(ip1jmp1,llm) ! potential temperature on dyn grid |
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| 421 | REAL,INTENT(IN) :: phis(ip1jmp1) ! surface geopotential on dyn grid |
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| 422 | INTEGER,INTENT(IN) :: ngrid ! # of physics columns |
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| 423 | REAL,INTENT(OUT) :: pplev(ngrid,llm+1) ! pressure at interfaces |
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| 424 | REAL,INTENT(OUT) :: pplay(ngrid, llm) ! pressure at mid-layer |
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| 425 | REAL,INTENT(OUT) :: pphi(ngrid, llm) ! geopotential phi=gz at mid-layer |
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| 426 | REAL,INTENT(OUT) :: pphis(ngrid) ! surface geopotential |
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| 427 | REAL,INTENT(OUT) :: pt(ngrid, llm) ! temperature at mid-layer |
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| 428 | |
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| 429 | REAL :: p(ip1jmp1,llmp1) ! interlayer pressure on dynamics grid |
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| 430 | REAL :: pks(ip1jmp1) ! Exner at the surface |
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| 431 | REAL :: pk(ip1jmp1,llm) ! Exner at mid-layer |
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| 432 | REAL :: phi(ip1jmp1,llm) ! Geopotential on dynamics grid |
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| 433 | |
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| 434 | REAL :: ppk(ngrid,llm) ! Exner at mid-layer on physics grid |
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| 435 | REAL :: pteta(ngrid,llm) ! potential temperature on physics grid |
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| 436 | |
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| 437 | INTEGER :: ig,l |
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| 438 | |
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| 439 | ! 1. Compute necessary intermediate variables on dynamics grid |
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| 440 | ! Compute pressure on dynamics grid |
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| 441 | CALL pression(ip1jmp1,ap,bp,ps,p) |
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| 442 | ! Compute Exner on dynamics grid |
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| 443 | CALL exner_hyb(ip1jmp1,ps,p,pks,pk) |
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| 444 | ! Compute geopotential on dynamics grid |
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| 445 | CALL geopot(ip1jmp1,teta,pk,pks,phis,phi) |
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| 446 | |
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| 447 | ! 2. Output fields, on physics grid |
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| 448 | |
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| 449 | ! Copy over p() to pplev() |
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| 450 | CALL gr_dyn_fi(llm+1,iip1,jjp1,ngrid,p,pplev) |
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| 451 | |
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| 452 | ! Compute pplay() based on ab(),bp() and pplev(:,1) (surface pressure) |
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| 453 | do ig=1,ngrid |
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| 454 | pplay(ig,1:llm)=0.5*(ap(1:llm)+bp(1:llm)*pplev(ig,1)+& |
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| 455 | ap(2:llm+1)+bp(2:llm+1)*pplev(ig,1)) |
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| 456 | enddo |
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| 457 | |
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| 458 | ! Copy surface geopotential phis() to pphis() |
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| 459 | CALL gr_dyn_fi(1,iip1,jjp1,ngrid,phis,pphis) |
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| 460 | |
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| 461 | ! Copy geopotential phi() to pphi() |
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| 462 | CALL gr_dyn_fi(llm,iip1,jjp1,ngrid,phi,pphi) |
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| 463 | ! and make pphi relative to surface |
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| 464 | do l=1,llm |
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| 465 | pphi(1:ngrid,l)=pphi(1:ngrid,l)-pphis(1:ngrid) |
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| 466 | enddo |
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| 467 | |
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| 468 | ! Compute temperature from teta, on physics grid |
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| 469 | CALL gr_dyn_fi(llm,iip1,jjp1,ngrid,pk,ppk) |
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| 470 | CALL gr_dyn_fi(llm,iip1,jjp1,ngrid,teta,pteta) |
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| 471 | do l=1,llm |
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| 472 | pt(1:ngrid,l)=pteta(1:ngrid,l)*ppk(1:ngrid,l)/cpp |
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| 473 | enddo |
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| 474 | |
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| 475 | |
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| 476 | END SUBROUTINE init_temperature_pressure_geopot |
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| 477 | |
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| 478 | END PROGRAM driver |
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