| 1 | ! $Id: physiq.F 1565 2011-08-31 12:53:29Z jghattas $ |
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| 2 | !#define IO_DEBUG |
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| 3 | |
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| 4 | SUBROUTINE physiq (nlon,nlev, & |
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| 5 | & debut,lafin,jD_cur, jH_cur,pdtphys, & |
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| 6 | & paprs,pplay,pphi,pphis,presnivs,clesphy0, & |
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| 7 | & u,v,t,qx, & |
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| 8 | & flxmass_w, & |
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| 9 | & d_u, d_v, d_t, d_qx, d_ps & |
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| 10 | & , dudyn & |
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| 11 | & , PVteta) |
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| 12 | |
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| 13 | USE dimphy, only : klon,klev |
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| 14 | USE infotrac, only : nqtot |
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| 15 | USE comgeomphy, only : rlatd |
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| 16 | USE comcstphy, only : rg |
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| 17 | USE iophy, only : histbeg_phy,histwrite_phy |
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| 18 | USE ioipsl, only : getin,histvert,histdef,histend,ymds2ju |
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| 19 | USE mod_phys_lmdz_para, only : jj_nb |
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| 20 | USE phys_state_var_mod, only : phys_state_var_init |
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| 21 | |
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| 22 | #ifdef CPP_XIOS |
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| 23 | USE wxios |
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| 24 | #endif |
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| 25 | |
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| 26 | IMPLICIT none |
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| 27 | #include "dimensions.h" |
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| 28 | |
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| 29 | integer,parameter :: jjmp1=jjm+1-1/jjm |
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| 30 | integer,parameter :: iip1=iim+1 |
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| 31 | ! |
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| 32 | ! Routine argument: |
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| 33 | ! |
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| 34 | integer,intent(in) :: nlon ! number of atmospheric colums |
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| 35 | integer,intent(in) :: nlev ! number of vertical levels (should be =klev) |
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| 36 | real,intent(in) :: jD_cur ! current day number (Julian day) |
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| 37 | real,intent(in) :: jH_cur ! current time of day (as fraction of day) |
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| 38 | logical,intent(in) :: debut ! signals first call to physics |
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| 39 | logical,intent(in) :: lafin ! signals last call to physics |
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| 40 | real,intent(in) :: pdtphys ! physics time step (s) |
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| 41 | real,intent(in) :: paprs(klon,klev+1) ! interlayer pressure (Pa) |
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| 42 | real,intent(in) :: pplay(klon,klev) ! mid-layer pressure (Pa) |
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| 43 | real,intent(in) :: pphi(klon,klev) ! geopotential at mid-layer |
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| 44 | real,intent(in) :: pphis(klon) ! surface geopotential |
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| 45 | real,intent(in) :: presnivs(klev) ! pseudo-pressure (Pa) of mid-layers |
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| 46 | integer,parameter :: longcles=20 |
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| 47 | real,intent(in) :: clesphy0(longcles) ! Not used |
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| 48 | real,intent(in) :: u(klon,klev) ! eastward zonal wind (m/s) |
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| 49 | real,intent(in) :: v(klon,klev) ! northward meridional wind (m/s) |
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| 50 | real,intent(in) :: t(klon,klev) ! temperature (K) |
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| 51 | real,intent(in) :: qx(klon,klev,nqtot) ! tracers (.../kg_air) |
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| 52 | real,intent(in) :: flxmass_w(klon,klev) ! vertical mass flux |
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| 53 | real,intent(out) :: d_u(klon,klev) ! physics tendency on u (m/s/s) |
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| 54 | real,intent(out) :: d_v(klon,klev) ! physics tendency on v (m/s/s) |
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| 55 | real,intent(out) :: d_t(klon,klev) ! physics tendency on t (K/s) |
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| 56 | real,intent(out) :: d_qx(klon,klev,nqtot) ! physics tendency on tracers |
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| 57 | real,intent(out) :: d_ps(klon) ! physics tendency on surface pressure |
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| 58 | real,intent(in) :: dudyn(iim+1,jjmp1,klev) ! Not used |
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| 59 | !FH! REAL PVteta(klon,nbteta) |
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| 60 | ! REAL PVteta(klon,1) |
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| 61 | real,intent(in) :: PVteta(klon,3) ! Not used ; should match definition |
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| 62 | ! in calfis.F |
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| 63 | |
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| 64 | integer,save :: itau=0 ! counter to count number of calls to physics |
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| 65 | !$OMP THREADPRIVATE(itau) |
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| 66 | real :: temp_newton(klon,klev) |
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| 67 | integer :: k |
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| 68 | logical, save :: first=.true. |
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| 69 | !$OMP THREADPRIVATE(first) |
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| 70 | |
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| 71 | ! For I/Os |
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| 72 | integer :: itau0 |
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| 73 | real :: zjulian |
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| 74 | real :: dtime |
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| 75 | integer :: nhori ! horizontal coordinate ID |
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| 76 | integer,save :: nid_hist ! output file ID |
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| 77 | !$OMP THREADPRIVATE(nid_hist) |
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| 78 | integer :: zvertid ! vertical coordinate ID |
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| 79 | integer,save :: iwrite_phys ! output every iwrite_phys physics step |
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| 80 | !$OMP THREADPRIVATE(iwrite_phys) |
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| 81 | integer :: iwrite_phys_omp ! intermediate variable to read iwrite_phys |
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| 82 | real :: t_ops ! frequency of the IOIPSL operations (eg average over...) |
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| 83 | real :: t_wrt ! frequency of the IOIPSL outputs |
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| 84 | |
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| 85 | ! initializations |
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| 86 | if (debut) then ! Things to do only for the first call to physics |
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| 87 | ! load initial conditions for physics (including the grid) |
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| 88 | call phys_state_var_init() ! some initializations, required before calling phyetat0 |
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| 89 | call phyetat0("startphy.nc") |
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| 90 | |
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| 91 | ! Initialize outputs: |
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| 92 | itau0=0 |
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| 93 | !$OMP MASTER |
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| 94 | iwrite_phys_omp=1 !default: output every physics timestep |
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| 95 | ! NB: getin() is not threadsafe; only one thread should call it. |
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| 96 | call getin("iwrite_phys",iwrite_phys_omp) |
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| 97 | !$OMP END MASTER |
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| 98 | !$OMP BARRIER |
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| 99 | iwrite_phys=iwrite_phys_omp |
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| 100 | t_ops=pdtphys*iwrite_phys ! frequency of the IOIPSL operation |
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| 101 | t_wrt=pdtphys*iwrite_phys ! frequency of the outputs in the file |
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| 102 | ! compute zjulian for annee0=1979 and month=1 dayref=1 and hour=0.0 |
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| 103 | !CALL ymds2ju(annee0, month, dayref, hour, zjulian) |
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| 104 | call ymds2ju(1979, 1, 1, 0.0, zjulian) |
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| 105 | dtime=pdtphys |
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| 106 | #ifndef CPP_NO_IOIPSL |
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| 107 | ! Initialize IOIPSL output file |
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| 108 | call histbeg_phy("histins.nc",itau0,zjulian,dtime,nhori,nid_hist) |
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| 109 | #endif |
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| 110 | |
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| 111 | !$OMP MASTER |
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| 112 | |
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| 113 | #ifndef CPP_NO_IOIPSL |
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| 114 | ! IOIPSL |
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| 115 | ! define vertical coordinate |
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| 116 | call histvert(nid_hist,"presnivs","Vertical levels","Pa",klev, & |
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| 117 | presnivs,zvertid,'down') |
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| 118 | ! define variables which will be written in "histins.nc" file |
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| 119 | call histdef(nid_hist,'temperature','Atmospheric temperature','K', & |
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| 120 | iim,jj_nb,nhori,klev,1,klev,zvertid,32, & |
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| 121 | 'inst(X)',t_ops,t_wrt) |
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| 122 | call histdef(nid_hist,'u','Eastward Zonal Wind','m/s', & |
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| 123 | iim,jj_nb,nhori,klev,1,klev,zvertid,32, & |
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| 124 | 'inst(X)',t_ops,t_wrt) |
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| 125 | call histdef(nid_hist,'v','Northward Meridional Wind','m/s', & |
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| 126 | iim,jj_nb,nhori,klev,1,klev,zvertid,32, & |
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| 127 | 'inst(X)',t_ops,t_wrt) |
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| 128 | call histdef(nid_hist,'ps','Surface Pressure','Pa', & |
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| 129 | iim,jj_nb,nhori,1,1,1,zvertid,32, & |
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| 130 | 'inst(X)',t_ops,t_wrt) |
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| 131 | ! end definition sequence |
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| 132 | call histend(nid_hist) |
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| 133 | #endif |
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| 134 | |
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| 135 | #ifdef CPP_XIOS |
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| 136 | !XIOS |
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| 137 | ! Déclaration de l'axe vertical du fichier: |
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| 138 | CALL wxios_add_vaxis("presnivs", "histins", klev, presnivs) |
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| 139 | |
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| 140 | !Déclaration du pas de temps: |
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| 141 | CALL wxios_set_timestep(dtime) |
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| 142 | |
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| 143 | !Finalisation du contexte: |
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| 144 | CALL wxios_closedef() |
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| 145 | #endif |
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| 146 | !$OMP END MASTER |
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| 147 | endif ! of if (debut) |
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| 148 | |
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| 149 | ! increment local time counter itau |
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| 150 | itau=itau+1 |
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| 151 | |
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| 152 | ! set all tendencies to zero |
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| 153 | d_u(1:klon,1:klev)=0. |
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| 154 | d_v(1:klon,1:klev)=0. |
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| 155 | d_t(1:klon,1:klev)=0. |
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| 156 | d_qx(1:klon,1:klev,1:nqtot)=0. |
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| 157 | d_ps(1:klon)=0. |
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| 158 | |
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| 159 | ! compute tendencies to return to the dynamics: |
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| 160 | ! "friction" on the first layer |
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| 161 | d_u(1:klon,1)=-u(1:klon,1)/86400. |
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| 162 | d_v(1:klon,1)=-v(1:klon,1)/86400. |
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| 163 | ! newtonian relaxation towards temp_newton() |
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| 164 | do k=1,klev |
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| 165 | temp_newton(1:klon,k)=280.+cos(rlatd(1:klon))*40.-pphi(1:klon,k)/rg*6.e-3 |
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| 166 | d_t(1:klon,k)=(temp_newton(1:klon,k)-t(1:klon,k))/1.e5 |
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| 167 | enddo |
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| 168 | |
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| 169 | |
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| 170 | !print*,'PHYDEV: itau=',itau |
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| 171 | |
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| 172 | ! write some outputs: |
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| 173 | ! IOIPSL |
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| 174 | #ifndef CPP_NO_IOIPSL |
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| 175 | if (modulo(itau,iwrite_phys)==0) then |
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| 176 | call histwrite_phy(nid_hist,.false.,"temperature",itau,t) |
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| 177 | call histwrite_phy(nid_hist,.false.,"u",itau,u) |
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| 178 | call histwrite_phy(nid_hist,.false.,"v",itau,v) |
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| 179 | call histwrite_phy(nid_hist,.false.,"ps",itau,paprs(:,1)) |
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| 180 | endif |
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| 181 | #endif |
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| 182 | |
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| 183 | !XIOS |
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| 184 | #ifdef CPP_XIOS |
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| 185 | !$OMP MASTER |
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| 186 | !Increment XIOS time |
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| 187 | CALL wxios_update_calendar(itau) |
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| 188 | |
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| 189 | !Send fields to XIOS: |
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| 190 | CALL histwrite_phy("temperature",t) |
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| 191 | CALL histwrite_phy("u",u) |
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| 192 | CALL histwrite_phy("v",v) |
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| 193 | CALL histwrite_phy("ps",paprs(:,1)) |
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| 194 | !$OMP END MASTER |
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| 195 | #endif |
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| 196 | |
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| 197 | ! if lastcall, then it is time to write "restartphy.nc" file |
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| 198 | if (lafin) then |
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| 199 | call phyredem("restartphy.nc") |
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| 200 | endif |
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| 201 | |
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| 202 | end |
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