/[lmdze]/trunk/dyn3d/startdyn.f
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revision 3 by guez, Wed Feb 27 13:16:39 2008 UTC revision 68 by guez, Wed Nov 14 16:59:30 2012 UTC
# Line 3  MODULE startdyn Line 3  MODULE startdyn
3    ! From startvar.F, version 1.4    ! From startvar.F, version 1.4
4    ! 2006/01/27 15:14:22 Fairhead    ! 2006/01/27 15:14:22 Fairhead
5    
6    IMPLICIT NONE    INTEGER iml_dyn, jml_dyn, llm_dyn
   
   private  
   public start_init_dyn, start_inter_3d  
   
   INTEGER fid_dyn, iml_dyn, jml_dyn, llm_dyn, ttm_dyn  
7    
8    REAL, ALLOCATABLE:: lon_ini(:), lat_ini(:)    REAL, ALLOCATABLE:: lon_ini(:), lat_ini(:)
9    ! (longitude and latitude from the input file, converted to rad)    ! (longitude and latitude from the input file, converted to rad)
# Line 19  CONTAINS Line 14  CONTAINS
14    
15    SUBROUTINE start_init_dyn(tsol_2d, psol)    SUBROUTINE start_init_dyn(tsol_2d, psol)
16    
17      ! Host associated variables appearing and modified in this procedure :      USE flininfo_m, only: flininfo
18      ! iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn, lon_ini, lat_ini, levdyn_ini      USE flinopen_nozoom_m, only: flinopen_nozoom
   
     USE ioipsl, only: flininfo, flinopen_nozoom, flinget  
19      use comgeom, only: aire_2d, apoln, apols      use comgeom, only: aire_2d, apoln, apols
20      use conf_dat2d_m, only: conf_dat2d      use conf_dat2d_m, only: conf_dat2d
21      use inter_barxy_m, only: inter_barxy      use inter_barxy_m, only: inter_barxy
     use comconst, only: pi  
22      use comgeom, only: rlonu, rlatv      use comgeom, only: rlonu, rlatv
23      use dimens_m, only: iim, jjm      use dimens_m, only: iim, jjm
24      use gr_int_dyn_m, only: gr_int_dyn      use gr_int_dyn_m, only: gr_int_dyn
25      use start_init_orog_m, only: phis      use start_init_orog_m, only: phis
26      use start_init_phys_m, only: start_init_phys      use nr_util, only: assert, pi
27        use netcdf, only: nf90_nowrite
28        use netcdf95, only: nf95_open, nf95_close, nf95_get_var, nf95_inq_varid
29    
30      REAL, intent(out):: tsol_2d(:, :)      REAL, intent(in):: tsol_2d(:, :) ! (iim + 1, jjm + 1)
31      REAL, intent(out):: psol(:, :) ! surface pressure, in Pa      REAL, intent(out):: psol(:, :) ! (iim + 1, jjm + 1) surface pressure, in Pa
32    
33      ! Local:      ! Local:
34    
35      REAL date, dt      REAL date, dt
36      INTEGER itau(1)      INTEGER itau(1), ncid, varid, fid_dyn, ttm_dyn
     INTEGER i, j  
   
     CHARACTER(len=120) physfname  
   
37      REAL, ALLOCATABLE:: lon_rad(:), lat_rad(:)      REAL, ALLOCATABLE:: lon_rad(:), lat_rad(:)
38    
39      REAL, ALLOCATABLE:: lon_dyn(:, :), lat_dyn(:, :)      REAL, ALLOCATABLE:: lon_dyn(:, :), lat_dyn(:, :)
40      ! (longitude and latitude from the input file, in rad or degrees)      ! (longitude and latitude from the input file, in rad or degrees)
41    
42      REAL, ALLOCATABLE:: var_ana(:, :), z(:, :)      REAL, ALLOCATABLE:: var_ana(:, :)
43        real z(iim + 1, jjm + 1)
44      real tmp_var(iim, jjm + 1)      real tmp_var(iim, jjm + 1)
     REAL, ALLOCATABLE:: xppn(:), xpps(:)  
45    
46      !--------------------------      !--------------------------
47    
48      print *, "Call sequence information: start_init_dyn"      print *, "Call sequence information: start_init_dyn"
49      if (any((/size(tsol_2d, 1), size(psol, 1)/) /= iim + 1)) stop &      call assert((/size(tsol_2d, 1), size(psol, 1)/) == iim + 1, &
50           "start_init_phys size 1"           "start_init_dyn size 1")
51      if (any((/size(tsol_2d, 2), size(psol, 2)/) /= jjm + 1)) stop &      call assert((/size(tsol_2d, 2), size(psol, 2)/) == jjm + 1, &
52           "start_init_phys size 2"           "start_init_dyn size 2")
53      physfname = 'ECDYN.nc'  
54      print *, 'Opening the surface analysis'      CALL flininfo('ECDYN.nc', iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn)
     CALL flininfo(physfname, iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn)  
     print *, 'Values read from "' // trim(physfname) // '":'  
55      print *, "iml_dyn = ", iml_dyn, ", jml_dyn = ", jml_dyn, &      print *, "iml_dyn = ", iml_dyn, ", jml_dyn = ", jml_dyn, &
56           ", llm_dyn = ", llm_dyn, ", ttm_dyn = ", ttm_dyn           ", llm_dyn = ", llm_dyn, ", ttm_dyn = ", ttm_dyn
57    
58      ALLOCATE(lat_dyn(iml_dyn, jml_dyn))      ALLOCATE(lat_dyn(iml_dyn, jml_dyn))
59      ALLOCATE(lon_dyn(iml_dyn, jml_dyn))      allocate(lon_dyn(iml_dyn, jml_dyn), levdyn_ini(llm_dyn))
     ALLOCATE(levdyn_ini(llm_dyn))  
60    
61      CALL flinopen_nozoom(physfname, iml_dyn, jml_dyn, llm_dyn, &      CALL flinopen_nozoom(iml_dyn, jml_dyn, llm_dyn, lon_dyn, lat_dyn, &
62           lon_dyn, lat_dyn, levdyn_ini, ttm_dyn, itau, date, dt, fid_dyn)           levdyn_ini, ttm_dyn, itau, date, dt, fid_dyn)
63    
64      ALLOCATE(var_ana(iml_dyn, jml_dyn))      ALLOCATE(var_ana(iml_dyn, jml_dyn), lon_rad(iml_dyn), lon_ini(iml_dyn))
     ALLOCATE(lon_rad(iml_dyn))  
     ALLOCATE(lon_ini(iml_dyn))  
65    
66      IF (MAXVAL(lon_dyn(:, :)) > pi) THEN      IF (MAXVAL(lon_dyn) > pi) THEN
67         ! Assume "lon_dyn" is in degrees         ! Assume "lon_dyn" is in degrees
68         lon_ini(:) = lon_dyn(:, 1) * pi / 180.         lon_ini = lon_dyn(:, 1) * pi / 180.
69      ELSE      ELSE
70         lon_ini(:) = lon_dyn(:, 1)         lon_ini = lon_dyn(:, 1)
71      ENDIF      ENDIF
72    
73      ALLOCATE(lat_rad(jml_dyn))      ALLOCATE(lat_rad(jml_dyn), lat_ini(jml_dyn))
     ALLOCATE(lat_ini(jml_dyn))  
74    
75      IF (MAXVAL(lat_dyn(:, :)) > pi) THEN      IF (MAXVAL(lat_dyn) > pi) THEN
76         lat_ini(:) = lat_dyn(1, :) * pi / 180.         lat_ini = lat_dyn(1, :) * pi / 180.
77      ELSE      ELSE
78         lat_ini(:) = lat_dyn(1, :)         lat_ini = lat_dyn(1, :)
79      ENDIF      ENDIF
80    
81      ALLOCATE(z(iim + 1, jjm + 1))      call nf95_open('ECDYN.nc', nf90_nowrite, ncid)
82    
83      ! 'Z': Surface geopotential      ! 'Z': Surface geopotential
84      CALL flinget(fid_dyn, 'Z', iml_dyn, jml_dyn, 0, ttm_dyn, 1, 1, var_ana)      call nf95_inq_varid(ncid, 'Z', varid)
85        call nf95_get_var(ncid, varid, var_ana)
86      CALL conf_dat2d(lon_ini, lat_ini, lon_rad, lat_rad, var_ana)      CALL conf_dat2d(lon_ini, lat_ini, lon_rad, lat_rad, var_ana)
87      CALL inter_barxy(lon_rad, lat_rad(:jml_dyn -1), var_ana, rlonu(:iim), &      CALL inter_barxy(lon_rad, lat_rad(:jml_dyn -1), var_ana, rlonu(:iim), &
88           rlatv, tmp_var)           rlatv, tmp_var)
89      z(:, :) = gr_int_dyn(tmp_var)      z = gr_int_dyn(tmp_var)
90    
91      ! 'SP': Surface pressure      ! 'SP': Surface pressure
92      CALL flinget(fid_dyn, 'SP', iml_dyn, jml_dyn, 0, ttm_dyn, 1, 1, var_ana)      call nf95_inq_varid(ncid, 'SP', varid)
93        call nf95_get_var(ncid, varid, var_ana)
94      CALL conf_dat2d(lon_ini, lat_ini, lon_rad, lat_rad, var_ana)      CALL conf_dat2d(lon_ini, lat_ini, lon_rad, lat_rad, var_ana)
95      CALL inter_barxy(lon_rad, lat_rad(:jml_dyn -1), var_ana, rlonu(:iim), &      CALL inter_barxy(lon_rad, lat_rad(:jml_dyn -1), var_ana, rlonu(:iim), &
96           rlatv, tmp_var)           rlatv, tmp_var)
97      psol(:, :) = gr_int_dyn(tmp_var)      psol = gr_int_dyn(tmp_var)
     CALL start_init_phys(tsol_2d)  
98    
99      ! PSOL is computed in Pascals      call nf95_close(ncid)
100    
101      DO j = 1, jjm + 1      psol(:iim, :) = psol(:iim, :) &
102         DO i = 1, iim           * (1. + (z(:iim, :) - phis(:iim, :)) / 287. / tsol_2d(:iim, :))
           psol(i, j) = psol(i, j) &  
                * (1. + (z(i, j) - phis(i, j)) / 287. / tsol_2d(i, j))  
        ENDDO  
     ENDDO  
103      psol(iim + 1, :) = psol(1, :)      psol(iim + 1, :) = psol(1, :)
104    
105      ALLOCATE(xppn(iim))      psol(:, 1) = SUM(aire_2d(:iim, 1) * psol(:iim, 1)) / apoln
106      ALLOCATE(xpps(iim))      psol(:, jjm + 1) = SUM(aire_2d(:iim, jjm + 1) * psol(:iim, jjm + 1)) &
107             / apols
     DO  i = 1, iim  
        xppn(i) = aire_2d( i, 1) * psol( i, 1)  
        xpps(i) = aire_2d( i, jjm + 1) * psol( i, jjm + 1)  
     ENDDO  
   
     psol(:, 1) = SUM(xppn)/apoln  
     psol(:, jjm + 1) = SUM(xpps)/apols  
108    
109    END SUBROUTINE start_init_dyn    END SUBROUTINE start_init_dyn
110    
   !********************************  
   
   function start_inter_3d(varname, lon_in2, lat_in2, pls_in)  
   
     ! This procedure gets a 3D variable from a file and does the  
     ! interpolations needed.  
   
     USE ioipsl, only: flinget  
     use nrutil, only: assert_eq  
   
     use inter_barxy_m, only: inter_barxy  
     use interpolation, only: spline, splint  
     use gr_int_dyn_m, only: gr_int_dyn  
     use conf_dat3d_m, only: conf_dat3d  
   
     CHARACTER(len=*), intent(in):: varname  
     REAL, intent(in):: lon_in2(:), lat_in2(:)  
     REAL, intent(in):: pls_in(:, :, :)  
   
     REAL start_inter_3d(size(lon_in2), size(pls_in, 2), size(pls_in, 3))  
   
     ! LOCAL:  
     INTEGER iml, jml, lml  
     INTEGER ii, ij, il  
     REAL lon_rad(iml_dyn), lat_rad(jml_dyn)  
     REAL lev_dyn(llm_dyn)  
     REAL var_tmp2d(size(lon_in2)-1, size(pls_in, 2))  
     real var_tmp3d(size(lon_in2), size(pls_in, 2), llm_dyn)  
     REAL ax(llm_dyn), ay(llm_dyn), yder(llm_dyn)  
     real var_ana3d(iml_dyn, jml_dyn, llm_dyn)  
   
     !--------------------------------  
   
     print *, "Call sequence information: start_inter_3d"  
   
     iml = assert_eq(size(pls_in, 1), size(lon_in2), "start_inter_3d iml")  
     jml = size(pls_in, 2)  
     lml = size(pls_in, 3)  
   
     print *, "iml = ", iml, ", jml = ", jml  
     print *, 'Going into flinget to extract the 3D field.'  
     print *, "fid_dyn = ", fid_dyn, ", varname = ", varname  
     print *, "iml_dyn = ", iml_dyn, ", jml_dyn = ", jml_dyn, &  
          ", llm_dyn = ", llm_dyn, ", ttm_dyn = ", ttm_dyn  
     CALL flinget(fid_dyn, varname, iml_dyn, jml_dyn, llm_dyn, ttm_dyn, 1, 1, &  
          var_ana3d)  
   
     CALL conf_dat3d(lon_ini, lat_ini, levdyn_ini, lon_rad, lat_rad, lev_dyn, &  
          var_ana3d)  
   
     DO il = 1, llm_dyn  
        CALL inter_barxy(lon_rad, lat_rad(:jml_dyn-1), var_ana3d(:, :, il), &  
             lon_in2(:iml-1), lat_in2, var_tmp2d)  
        var_tmp3d(:, :, il) = gr_int_dyn(var_tmp2d)  
     ENDDO  
   
     ! Pour l'interpolation verticale, on interpole du haut de l'atmosphère  
     ! vers le sol :  
     ax(:) = lev_dyn(llm_dyn:1:-1)  
     DO ij=1, jml  
        DO ii=1, iml-1  
           ay(:) = var_tmp3d(ii, ij, llm_dyn:1:-1)  
           yder(:) = SPLINE(ax, ay)  
           do il=1, lml  
              start_inter_3d(ii, ij, il) &  
                   = SPLINT(ax, ay, yder, pls_in(ii, ij, il))  
           END do  
        ENDDO  
     ENDDO  
     start_inter_3d(iml, :, :) = start_inter_3d(1, :, :)  
   
   END function start_inter_3d  
   
111  END MODULE startdyn  END MODULE startdyn
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