libf/dyn3d/startdyn.f90

MODULE startdyn

  ! From startvar.F, version 1.4
  ! 2006/01/27 15:14:22 Fairhead

  IMPLICIT NONE

  private
  public start_init_dyn, start_inter_3d

  INTEGER fid_dyn, iml_dyn, jml_dyn, llm_dyn, ttm_dyn

  REAL, ALLOCATABLE:: lon_ini(:), lat_ini(:)
  ! (longitude and latitude from the input file, converted to rad)

  real, ALLOCATABLE:: levdyn_ini(:)

CONTAINS

  SUBROUTINE start_init_dyn(tsol_2d, psol)

    ! Host associated variables appearing and modified in this procedure :
    ! iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn, lon_ini, lat_ini, levdyn_ini

    USE flincom, only: flininfo, flinopen_nozoom
    use flinget_m, only: flinget
    use comgeom, only: aire_2d, apoln, apols
    use conf_dat2d_m, only: conf_dat2d
    use inter_barxy_m, only: inter_barxy
    use comgeom, only: rlonu, rlatv
    use dimens_m, only: iim, jjm
    use gr_int_dyn_m, only: gr_int_dyn
    use start_init_orog_m, only: phis
    use start_init_phys_m, only: start_init_phys
    use nr_util, only: assert, pi

    REAL, intent(out):: tsol_2d(:, :)
    REAL, intent(out):: psol(:, :) ! surface pressure, in Pa

    ! Local:

    REAL date, dt
    INTEGER itau(1)
    INTEGER i, j
    REAL, ALLOCATABLE:: lon_rad(:), lat_rad(:)

    REAL, ALLOCATABLE:: lon_dyn(:, :), lat_dyn(:, :)
    ! (longitude and latitude from the input file, in rad or degrees)

    REAL, ALLOCATABLE:: var_ana(:, :)
    real z(iim + 1, jjm + 1)
    real tmp_var(iim, jjm + 1)

    !--------------------------

    print *, "Call sequence information: start_init_dyn"
    call assert((/size(tsol_2d, 1), size(psol, 1)/) == iim + 1, &
         "start_init_phys size 1")
    call assert((/size(tsol_2d, 2), size(psol, 2)/) == jjm + 1, &
         "start_init_phys size 2")
    CALL flininfo('ECDYN.nc', iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn)
    print *, "iml_dyn = ", iml_dyn, ", jml_dyn = ", jml_dyn, &
         ", llm_dyn = ", llm_dyn, ", ttm_dyn = ", ttm_dyn

    ALLOCATE(lat_dyn(iml_dyn, jml_dyn))
    ALLOCATE(lon_dyn(iml_dyn, jml_dyn))
    ALLOCATE(levdyn_ini(llm_dyn))

    CALL flinopen_nozoom(iml_dyn, jml_dyn, llm_dyn, &
         lon_dyn, lat_dyn, levdyn_ini, ttm_dyn, itau, date, dt, fid_dyn)

    ALLOCATE(var_ana(iml_dyn, jml_dyn))
    ALLOCATE(lon_rad(iml_dyn))
    ALLOCATE(lon_ini(iml_dyn))

    IF (MAXVAL(lon_dyn) > pi) THEN
       ! Assume "lon_dyn" is in degrees 
       lon_ini = lon_dyn(:, 1) * pi / 180.
    ELSE
       lon_ini = lon_dyn(:, 1) 
    ENDIF

    ALLOCATE(lat_rad(jml_dyn))
    ALLOCATE(lat_ini(jml_dyn))

    IF (MAXVAL(lat_dyn) > pi) THEN
       lat_ini = lat_dyn(1, :) * pi / 180.
    ELSE
       lat_ini = lat_dyn(1, :) 
    ENDIF

    ! 'Z': Surface geopotential
    CALL flinget(fid_dyn, 'Z', iml_dyn, jml_dyn, 0, ttm_dyn, 1, 1, var_ana)
    CALL conf_dat2d(lon_ini, lat_ini, lon_rad, lat_rad, var_ana)
    CALL inter_barxy(lon_rad, lat_rad(:jml_dyn -1), var_ana, rlonu(:iim), &
         rlatv, tmp_var)
    z = gr_int_dyn(tmp_var)

    ! 'SP': Surface pressure
    CALL flinget(fid_dyn, 'SP', iml_dyn, jml_dyn, 0, ttm_dyn, 1, 1, var_ana)
    CALL conf_dat2d(lon_ini, lat_ini, lon_rad, lat_rad, var_ana)
    CALL inter_barxy(lon_rad, lat_rad(:jml_dyn -1), var_ana, rlonu(:iim), &
         rlatv, tmp_var) 
    psol = gr_int_dyn(tmp_var)
    CALL start_init_phys(tsol_2d)

    psol(:iim, :) = psol(:iim, :) &
         * (1. + (z(:iim, :) - phis(:iim, :)) / 287. / tsol_2d(:iim, :))
    psol(iim + 1, :) = psol(1, :)

    psol(:, 1) = SUM(aire_2d(:iim, 1) * psol(:iim, 1)) / apoln
    psol(:, jjm + 1) = SUM(aire_2d(:iim, jjm + 1) * psol(:iim, jjm + 1)) &
         / apols

  END SUBROUTINE start_init_dyn

  !********************************

  subroutine start_inter_3d(varname, lon_in2, lat_in2, pls_in, var3d)

    ! This procedure gets a 3D variable from a file and interpolates it.

    use flinget_m, only: flinget
    use nr_util, only: assert_eq
    use numer_rec, only: spline, splint
    use inter_barxy_m, only: inter_barxy
    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(:) ! (iml)
    REAL, intent(in):: lat_in2(:)
    REAL, intent(in):: pls_in(:, :, :) ! (iml, jml, lml)
    REAL, intent(out):: var3d(:, :, :) ! (iml, jml, lml)

    ! 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), size(var3d, 1), &
         "start_inter_3d iml")
    jml = assert_eq(size(pls_in, 2), size(var3d, 2), "start_inter_3d jml")
    lml = assert_eq(size(pls_in, 3), size(var3d, 3), "start_inter_3d lml")

    print *, "iml = ", iml, ", jml = ", jml
    print *, "varname = ", varname
    print *, 'Going into flinget to extract the 3D field.'
    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
             var3d(ii, ij, il) = SPLINT(ax, ay, yder, pls_in(ii, ij, il))
          END do
       ENDDO
    ENDDO
    var3d(iml, :, :) = var3d(1, :, :) 

  END subroutine start_inter_3d

END MODULE startdyn
1	MODULE startdyn
2
3	! From startvar.F, version 1.4
4	! 2006/01/27 15:14:22 Fairhead
5
6	IMPLICIT NONE
7
8	private
9	public start_init_dyn, start_inter_3d
10
11	INTEGER fid_dyn, iml_dyn, jml_dyn, llm_dyn, ttm_dyn
12
13	REAL, ALLOCATABLE:: lon_ini(:), lat_ini(:)
14	! (longitude and latitude from the input file, converted to rad)
15
16	real, ALLOCATABLE:: levdyn_ini(:)
17
18	CONTAINS
19
20	SUBROUTINE start_init_dyn(tsol_2d, psol)
21
22	! Host associated variables appearing and modified in this procedure :
23	! iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn, lon_ini, lat_ini, levdyn_ini
24
25	USE flincom, only: flininfo, flinopen_nozoom
26	use flinget_m, only: flinget
27	use comgeom, only: aire_2d, apoln, apols
28	use conf_dat2d_m, only: conf_dat2d
29	use inter_barxy_m, only: inter_barxy
30	use comgeom, only: rlonu, rlatv
31	use dimens_m, only: iim, jjm
32	use gr_int_dyn_m, only: gr_int_dyn
33	use start_init_orog_m, only: phis
34	use start_init_phys_m, only: start_init_phys
35	use nr_util, only: assert, pi
36
37	REAL, intent(out):: tsol_2d(:, :)
38	REAL, intent(out):: psol(:, :) ! surface pressure, in Pa
39
40	! Local:
41
42	REAL date, dt
43	INTEGER itau(1)
44	INTEGER i, j
45	REAL, ALLOCATABLE:: lon_rad(:), lat_rad(:)
46
47	REAL, ALLOCATABLE:: lon_dyn(:, :), lat_dyn(:, :)
48	! (longitude and latitude from the input file, in rad or degrees)
49
50	REAL, ALLOCATABLE:: var_ana(:, :)
51	real z(iim + 1, jjm + 1)
52	real tmp_var(iim, jjm + 1)
53
54	!--------------------------
55
56	print *, "Call sequence information: start_init_dyn"
57	call assert((/size(tsol_2d, 1), size(psol, 1)/) == iim + 1, &
58	"start_init_phys size 1")
59	call assert((/size(tsol_2d, 2), size(psol, 2)/) == jjm + 1, &
60	"start_init_phys size 2")
61	CALL flininfo('ECDYN.nc', iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn)
62	print *, "iml_dyn = ", iml_dyn, ", jml_dyn = ", jml_dyn, &
63	", llm_dyn = ", llm_dyn, ", ttm_dyn = ", ttm_dyn
64
65	ALLOCATE(lat_dyn(iml_dyn, jml_dyn))
66	ALLOCATE(lon_dyn(iml_dyn, jml_dyn))
67	ALLOCATE(levdyn_ini(llm_dyn))
68
69	CALL flinopen_nozoom(iml_dyn, jml_dyn, llm_dyn, &
70	lon_dyn, lat_dyn, levdyn_ini, ttm_dyn, itau, date, dt, fid_dyn)
71
72	ALLOCATE(var_ana(iml_dyn, jml_dyn))
73	ALLOCATE(lon_rad(iml_dyn))
74	ALLOCATE(lon_ini(iml_dyn))
75
76	IF (MAXVAL(lon_dyn) > pi) THEN
77	! Assume "lon_dyn" is in degrees
78	lon_ini = lon_dyn(:, 1) * pi / 180.
79	ELSE
80	lon_ini = lon_dyn(:, 1)
81	ENDIF
82
83	ALLOCATE(lat_rad(jml_dyn))
84	ALLOCATE(lat_ini(jml_dyn))
85
86	IF (MAXVAL(lat_dyn) > pi) THEN
87	lat_ini = lat_dyn(1, :) * pi / 180.
88	ELSE
89	lat_ini = lat_dyn(1, :)
90	ENDIF
91
92	! 'Z': Surface geopotential
93	CALL flinget(fid_dyn, 'Z', iml_dyn, jml_dyn, 0, ttm_dyn, 1, 1, var_ana)
94	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), &
96	rlatv, tmp_var)
97	z = gr_int_dyn(tmp_var)
98
99	! 'SP': Surface pressure
100	CALL flinget(fid_dyn, 'SP', iml_dyn, jml_dyn, 0, ttm_dyn, 1, 1, var_ana)
101	CALL conf_dat2d(lon_ini, lat_ini, lon_rad, lat_rad, var_ana)
102	CALL inter_barxy(lon_rad, lat_rad(:jml_dyn -1), var_ana, rlonu(:iim), &
103	rlatv, tmp_var)
104	psol = gr_int_dyn(tmp_var)
105	CALL start_init_phys(tsol_2d)
106
107	psol(:iim, :) = psol(:iim, :) &
108	* (1. + (z(:iim, :) - phis(:iim, :)) / 287. / tsol_2d(:iim, :))
109	psol(iim + 1, :) = psol(1, :)
110
111	psol(:, 1) = SUM(aire_2d(:iim, 1) * psol(:iim, 1)) / apoln
112	psol(:, jjm + 1) = SUM(aire_2d(:iim, jjm + 1) * psol(:iim, jjm + 1)) &
113	/ apols
114
115	END SUBROUTINE start_init_dyn
116
117	!********************************
118
119	subroutine start_inter_3d(varname, lon_in2, lat_in2, pls_in, var3d)
120
121	! This procedure gets a 3D variable from a file and interpolates it.
122
123	use flinget_m, only: flinget
124	use nr_util, only: assert_eq
125	use numer_rec, only: spline, splint
126	use inter_barxy_m, only: inter_barxy
127	use gr_int_dyn_m, only: gr_int_dyn
128	use conf_dat3d_m, only: conf_dat3d
129
130	CHARACTER(len=*), intent(in):: varname
131	REAL, intent(in):: lon_in2(:) ! (iml)
132	REAL, intent(in):: lat_in2(:)
133	REAL, intent(in):: pls_in(:, :, :) ! (iml, jml, lml)
134	REAL, intent(out):: var3d(:, :, :) ! (iml, jml, lml)
135
136	! LOCAL:
137	INTEGER iml, jml, lml
138	INTEGER ii, ij, il
139	REAL lon_rad(iml_dyn), lat_rad(jml_dyn)
140	REAL lev_dyn(llm_dyn)
141	REAL var_tmp2d(size(lon_in2)-1, size(pls_in, 2))
142	real var_tmp3d(size(lon_in2), size(pls_in, 2), llm_dyn)
143	REAL ax(llm_dyn), ay(llm_dyn), yder(llm_dyn)
144	real var_ana3d(iml_dyn, jml_dyn, llm_dyn)
145
146	!--------------------------------
147
148	print *, "Call sequence information: start_inter_3d"
149
150	iml = assert_eq(size(pls_in, 1), size(lon_in2), size(var3d, 1), &
151	"start_inter_3d iml")
152	jml = assert_eq(size(pls_in, 2), size(var3d, 2), "start_inter_3d jml")
153	lml = assert_eq(size(pls_in, 3), size(var3d, 3), "start_inter_3d lml")
154
155	print *, "iml = ", iml, ", jml = ", jml
156	print *, "varname = ", varname
157	print *, 'Going into flinget to extract the 3D field.'
158	CALL flinget(fid_dyn, varname, iml_dyn, jml_dyn, llm_dyn, ttm_dyn, 1, 1, &
159	var_ana3d)
160	CALL conf_dat3d(lon_ini, lat_ini, levdyn_ini, lon_rad, lat_rad, lev_dyn, &
161	var_ana3d)
162
163	DO il = 1, llm_dyn
164	CALL inter_barxy(lon_rad, lat_rad(:jml_dyn-1), var_ana3d(:, :, il), &
165	lon_in2(:iml-1), lat_in2, var_tmp2d)
166	var_tmp3d(:, :, il) = gr_int_dyn(var_tmp2d)
167	ENDDO
168
169	! Pour l'interpolation verticale, on interpole du haut de l'atmosphère
170	! vers le sol :
171	ax = lev_dyn(llm_dyn:1:-1)
172	DO ij=1, jml
173	DO ii=1, iml-1
174	ay = var_tmp3d(ii, ij, llm_dyn:1:-1)
175	yder = SPLINE(ax, ay)
176	do il=1, lml
177	var3d(ii, ij, il) = SPLINT(ax, ay, yder, pls_in(ii, ij, il))
178	END do
179	ENDDO
180	ENDDO
181	var3d(iml, :, :) = var3d(1, :, :)
182
183	END subroutine start_inter_3d
184
185	END MODULE startdyn