trunk/dyn3d/dynetat0.f

module dynetat0_m

  use dimens_m, only: iim, jjm

  IMPLICIT NONE

  private iim, jjm

  INTEGER day_ini 
  ! day number at the beginning of the run, based at value 1 on
  ! January 1st of annee_ref

  integer:: day_ref = 1 ! jour de l'ann\'ee de l'\'etat initial
  ! (= 350 si 20 d\'ecembre par exemple)

  integer:: annee_ref = 1998 ! Annee de l'etat initial (avec 4 chiffres)

  REAL clon ! longitude of the center of the zoom, in rad
  real clat ! latitude of the center of the zoom, in rad

  real grossismx, grossismy
  ! facteurs de grossissement du zoom, selon la longitude et la latitude
  ! = 2 si 2 fois, = 3 si 3 fois, etc.

  real dzoomx, dzoomy
  ! extensions en longitude et latitude de la zone du zoom (fractions
  ! de la zone totale)

  real taux, tauy
  ! raideur de la transition de l'int\'erieur \`a l'ext\'erieur du zoom
  
  real rlatu(jjm + 1)
  ! latitudes of points of the "scalar" and "u" grid, in rad

  real rlatv(jjm) 
  ! latitudes of points of the "v" grid, in rad, in decreasing order

  real rlonu(iim + 1) ! longitudes of points of the "u" grid, in rad

  real rlonv(iim + 1)
  ! longitudes of points of the "scalar" and "v" grid, in rad

  real xprimu(iim + 1), xprimv(iim + 1)
  ! 2 pi / iim * (derivative of the longitudinal zoom function)(rlon[uv])

  REAL xprimm025(iim + 1), xprimp025(iim + 1)
  REAL rlatu1(jjm), rlatu2(jjm), yprimu1(jjm), yprimu2(jjm)

  save

contains

  SUBROUTINE dynetat0(vcov, ucov, teta, q, masse, ps, phis)

    ! From dynetat0.F, version 1.2, 2004/06/22 11:45:30
    ! Authors: P. Le Van, L. Fairhead
    ! This procedure reads the initial state of the atmosphere.

    use comconst, only: dtvr
    use conf_gcm_m, only: raz_date
    use dimens_m, only: iim, jjm, llm, nqmx
    use disvert_m, only: pa
    use ener, only: etot0, ang0, ptot0, stot0, ztot0
    use iniadvtrac_m, only: tname
    use netcdf, only: NF90_NOWRITE, NF90_NOERR
    use netcdf95, only: NF95_GET_VAR, nf95_open, nf95_inq_varid, NF95_CLOSE, &
         NF95_Gw_VAR
    use nr_util, only: assert
    use temps, only: itau_dyn
    use unit_nml_m, only: unit_nml

    REAL, intent(out):: vcov(: , :, :) ! (iim + 1, jjm, llm)
    REAL, intent(out):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm)
    REAL, intent(out):: teta(:, :, :) ! (iim + 1, jjm + 1, llm)
    REAL, intent(out):: q(:, :, :, :) ! (iim + 1, jjm + 1, llm, nqmx)
    REAL, intent(out):: masse(:, :, :) ! (iim + 1, jjm + 1, llm)
    REAL, intent(out):: ps(:, :) ! (iim + 1, jjm + 1) in Pa
    REAL, intent(out):: phis(:, :) ! (iim + 1, jjm + 1)

    ! Local variables: 
    INTEGER iq
    REAL, allocatable:: tab_cntrl(:) ! tableau des param\`etres du run
    INTEGER ierr, ncid, varid

    namelist /dynetat0_nml/ day_ref, annee_ref

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

    print *, "Call sequence information: dynetat0"

    call assert((/size(ucov, 1), size(vcov, 1), size(masse, 1), size(ps, 1), &
         size(phis, 1), size(q, 1), size(teta, 1)/) == iim + 1, "dynetat0 iim")
    call assert((/size(ucov, 2), size(vcov, 2) + 1, size(masse, 2), &
         size(ps, 2), size(phis, 2), size(q, 2), size(teta, 2)/) == jjm + 1, &
         "dynetat0 jjm")
    call assert((/size(vcov, 3), size(ucov, 3), size(teta, 3), size(q, 3), &
         size(masse, 3)/) == llm, "dynetat0 llm")
    call assert(size(q, 4) == nqmx, "dynetat0 q nqmx")

    ! Fichier \'etat initial :
    call nf95_open("start.nc", NF90_NOWRITE, ncid)

    call nf95_inq_varid(ncid, "controle", varid)
    call NF95_Gw_VAR(ncid, varid, tab_cntrl)

    call assert(int(tab_cntrl(1)) == iim, "dynetat0 tab_cntrl iim") 
    call assert(int(tab_cntrl(2)) == jjm, "dynetat0 tab_cntrl jjm") 
    call assert(int(tab_cntrl(3)) == llm, "dynetat0 tab_cntrl llm") 

    IF (dtvr /= tab_cntrl(12)) THEN
       print *, 'Warning: the time steps from day_step and "start.nc" ' // &
            'are different.'
       print *, 'dtvr from day_step: ', dtvr
       print *, 'dtvr from "start.nc": ', tab_cntrl(12)
       print *, 'Using the value from day_step.'
    ENDIF

    etot0 = tab_cntrl(13)
    ptot0 = tab_cntrl(14)
    ztot0 = tab_cntrl(15)
    stot0 = tab_cntrl(16)
    ang0 = tab_cntrl(17)
    pa = tab_cntrl(18)

    clon = tab_cntrl(20)
    clat = tab_cntrl(21)
    grossismx = tab_cntrl(22)
    grossismy = tab_cntrl(23)
    dzoomx = tab_cntrl(25)
    dzoomy = tab_cntrl(26)
    taux = tab_cntrl(28)
    tauy = tab_cntrl(29)

    print *, "Enter namelist 'dynetat0_nml'."
    read(unit=*, nml=dynetat0_nml)
    write(unit_nml, nml=dynetat0_nml)

    if (raz_date) then
       print *, 'Resetting the date, using the namelist.'
       day_ini = day_ref
       itau_dyn = 0
    else
       day_ref = tab_cntrl(4)
       annee_ref = tab_cntrl(5)
       itau_dyn = tab_cntrl(31)
       day_ini = tab_cntrl(30)
    end if

    print *, "day_ini = ", day_ini

    call NF95_INQ_VARID (ncid, "rlonu", varid)
    call NF95_GET_VAR(ncid, varid, rlonu)

    call NF95_INQ_VARID (ncid, "rlatu", varid)
    call NF95_GET_VAR(ncid, varid, rlatu)

    call NF95_INQ_VARID (ncid, "rlonv", varid)
    call NF95_GET_VAR(ncid, varid, rlonv)

    call NF95_INQ_VARID (ncid, "rlatv", varid)
    call NF95_GET_VAR(ncid, varid, rlatv)

    CALL nf95_inq_varid(ncid, 'xprimu', varid)
    CALL nf95_get_var(ncid, varid, xprimu)

    CALL nf95_inq_varid(ncid, 'xprimv', varid)
    CALL nf95_get_var(ncid, varid, xprimv)

    CALL nf95_inq_varid(ncid, 'xprimm025', varid)
    CALL nf95_get_var(ncid, varid, xprimm025)

    CALL nf95_inq_varid(ncid, 'xprimp025', varid)
    CALL nf95_get_var(ncid, varid, xprimp025)

    call NF95_INQ_VARID (ncid, "rlatu1", varid)
    call NF95_GET_VAR(ncid, varid, rlatu1)

    call NF95_INQ_VARID (ncid, "rlatu2", varid)
    call NF95_GET_VAR(ncid, varid, rlatu2)

    CALL nf95_inq_varid(ncid, 'yprimu1', varid)
    CALL nf95_get_var(ncid, varid, yprimu1)

    CALL nf95_inq_varid(ncid, 'yprimu2', varid)
    CALL nf95_get_var(ncid, varid, yprimu2)

    call NF95_INQ_VARID (ncid, "phis", varid)
    call NF95_GET_VAR(ncid, varid, phis)

    call NF95_INQ_VARID (ncid, "ucov", varid)
    call NF95_GET_VAR(ncid, varid, ucov)

    call NF95_INQ_VARID (ncid, "vcov", varid)
    call NF95_GET_VAR(ncid, varid, vcov)

    call NF95_INQ_VARID (ncid, "teta", varid)
    call NF95_GET_VAR(ncid, varid, teta)

    DO iq = 1, nqmx
       call NF95_INQ_VARID(ncid, tname(iq), varid, ierr)
       IF (ierr == NF90_NOERR) THEN
          call NF95_GET_VAR(ncid, varid, q(:, :, :, iq))
       ELSE
          PRINT *, 'dynetat0: "' // tname(iq) // '" not found, ' // &
               "setting it to zero..."
          q(:, :, :, iq) = 0.
       ENDIF
    ENDDO

    call NF95_INQ_VARID (ncid, "masse", varid)
    call NF95_GET_VAR(ncid, varid, masse)

    call NF95_INQ_VARID (ncid, "ps", varid)
    call NF95_GET_VAR(ncid, varid, ps)
    ! Check that there is a single value at each pole:
    call assert(ps(1, 1) == ps(2:, 1), "dynetat0 ps north pole")
    call assert(ps(1, jjm + 1) == ps(2:, jjm + 1), "dynetat0 ps south pole")

    call NF95_CLOSE(ncid)

  END SUBROUTINE dynetat0

end module dynetat0_m
1	guez	3	module dynetat0_m
2
3	guez	139	use dimens_m, only: iim, jjm
4
5	guez	3	IMPLICIT NONE
6
7	guez	139	private iim, jjm
8
9	guez	129	INTEGER day_ini
10	guez	130	! day number at the beginning of the run, based at value 1 on
11			! January 1st of annee_ref
12	guez	25
13	guez	139	integer:: day_ref = 1 ! jour de l'ann\'ee de l'\'etat initial
14			! (= 350 si 20 d\'ecembre par exemple)
15	guez	129
16			integer:: annee_ref = 1998 ! Annee de l'etat initial (avec 4 chiffres)
17
18	guez	139	REAL clon ! longitude of the center of the zoom, in rad
19			real clat ! latitude of the center of the zoom, in rad
20
21			real grossismx, grossismy
22			! facteurs de grossissement du zoom, selon la longitude et la latitude
23			! = 2 si 2 fois, = 3 si 3 fois, etc.
24
25			real dzoomx, dzoomy
26			! extensions en longitude et latitude de la zone du zoom (fractions
27			! de la zone totale)
28
29			real taux, tauy
30	guez	151	! raideur de la transition de l'int\'erieur \`a l'ext\'erieur du zoom
31	guez	139
32			real rlatu(jjm + 1)
33	guez	156	! latitudes of points of the "scalar" and "u" grid, in rad
34	guez	139
35			real rlatv(jjm)
36	guez	156	! latitudes of points of the "v" grid, in rad, in decreasing order
37	guez	139
38			real rlonu(iim + 1) ! longitudes of points of the "u" grid, in rad
39
40			real rlonv(iim + 1)
41	guez	156	! longitudes of points of the "scalar" and "v" grid, in rad
42	guez	139
43			real xprimu(iim + 1), xprimv(iim + 1)
44	guez	156	! 2 pi / iim * (derivative of the longitudinal zoom function)(rlon[uv])
45	guez	139
46			REAL xprimm025(iim + 1), xprimp025(iim + 1)
47			REAL rlatu1(jjm), rlatu2(jjm), yprimu1(jjm), yprimu2(jjm)
48
49			save
50
51	guez	3	contains
52
53	guez	128	SUBROUTINE dynetat0(vcov, ucov, teta, q, masse, ps, phis)
54	guez	3
55	guez	38	! From dynetat0.F, version 1.2, 2004/06/22 11:45:30
56			! Authors: P. Le Van, L. Fairhead
57	guez	39	! This procedure reads the initial state of the atmosphere.
58	guez	3
59	guez	79	use comconst, only: dtvr
60	guez	129	use conf_gcm_m, only: raz_date
61	guez	38	use dimens_m, only: iim, jjm, llm, nqmx
62	guez	67	use disvert_m, only: pa
63	guez	3	use ener, only: etot0, ang0, ptot0, stot0, ztot0
64	guez	18	use iniadvtrac_m, only: tname
65	guez	67	use netcdf, only: NF90_NOWRITE, NF90_NOERR
66	guez	44	use netcdf95, only: NF95_GET_VAR, nf95_open, nf95_inq_varid, NF95_CLOSE, &
67			NF95_Gw_VAR
68	guez	36	use nr_util, only: assert
69	guez	129	use temps, only: itau_dyn
70			use unit_nml_m, only: unit_nml
71	guez	3
72	guez	55	REAL, intent(out):: vcov(: , :, :) ! (iim + 1, jjm, llm)
73			REAL, intent(out):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm)
74	guez	43	REAL, intent(out):: teta(:, :, :) ! (iim + 1, jjm + 1, llm)
75	guez	40	REAL, intent(out):: q(:, :, :, :) ! (iim + 1, jjm + 1, llm, nqmx)
76	guez	55	REAL, intent(out):: masse(:, :, :) ! (iim + 1, jjm + 1, llm)
77	guez	39	REAL, intent(out):: ps(:, :) ! (iim + 1, jjm + 1) in Pa
78			REAL, intent(out):: phis(:, :) ! (iim + 1, jjm + 1)
79	guez	3
80	guez	44	! Local variables:
81	guez	38	INTEGER iq
82	guez	225	REAL, allocatable:: tab_cntrl(:) ! tableau des param\`etres du run
83	guez	38	INTEGER ierr, ncid, varid
84	guez	3
85	guez	129	namelist /dynetat0_nml/ day_ref, annee_ref
86
87	guez	3	!-----------------------------------------------------------------------
88
89			print *, "Call sequence information: dynetat0"
90
91	guez	55	call assert((/size(ucov, 1), size(vcov, 1), size(masse, 1), size(ps, 1), &
92			size(phis, 1), size(q, 1), size(teta, 1)/) == iim + 1, "dynetat0 iim")
93			call assert((/size(ucov, 2), size(vcov, 2) + 1, size(masse, 2), &
94			size(ps, 2), size(phis, 2), size(q, 2), size(teta, 2)/) == jjm + 1, &
95			"dynetat0 jjm")
96			call assert((/size(vcov, 3), size(ucov, 3), size(teta, 3), size(q, 3), &
97			size(masse, 3)/) == llm, "dynetat0 llm")
98	guez	40	call assert(size(q, 4) == nqmx, "dynetat0 q nqmx")
99	guez	3
100	guez	139	! Fichier \'etat initial :
101	guez	25	call nf95_open("start.nc", NF90_NOWRITE, ncid)
102	guez	3
103	guez	38	call nf95_inq_varid(ncid, "controle", varid)
104	guez	44	call NF95_Gw_VAR(ncid, varid, tab_cntrl)
105	guez	3
106	guez	79	call assert(int(tab_cntrl(1)) == iim, "dynetat0 tab_cntrl iim")
107			call assert(int(tab_cntrl(2)) == jjm, "dynetat0 tab_cntrl jjm")
108			call assert(int(tab_cntrl(3)) == llm, "dynetat0 tab_cntrl llm")
109	guez	3
110	guez	79	IF (dtvr /= tab_cntrl(12)) THEN
111			print *, 'Warning: the time steps from day_step and "start.nc" ' // &
112	guez	129	'are different.'
113	guez	79	print *, 'dtvr from day_step: ', dtvr
114			print *, 'dtvr from "start.nc": ', tab_cntrl(12)
115			print *, 'Using the value from day_step.'
116			ENDIF
117
118	guez	38	etot0 = tab_cntrl(13)
119			ptot0 = tab_cntrl(14)
120			ztot0 = tab_cntrl(15)
121			stot0 = tab_cntrl(16)
122			ang0 = tab_cntrl(17)
123			pa = tab_cntrl(18)
124	guez	113
125	guez	38	clon = tab_cntrl(20)
126			clat = tab_cntrl(21)
127			grossismx = tab_cntrl(22)
128			grossismy = tab_cntrl(23)
129	guez	113	dzoomx = tab_cntrl(25)
130			dzoomy = tab_cntrl(26)
131			taux = tab_cntrl(28)
132			tauy = tab_cntrl(29)
133
134	guez	129	print *, "Enter namelist 'dynetat0_nml'."
135			read(unit=*, nml=dynetat0_nml)
136			write(unit_nml, nml=dynetat0_nml)
137	guez	3
138	guez	129	if (raz_date) then
139	guez	139	print *, 'Resetting the date, using the namelist.'
140	guez	129	day_ini = day_ref
141			itau_dyn = 0
142			else
143			day_ref = tab_cntrl(4)
144			annee_ref = tab_cntrl(5)
145			itau_dyn = tab_cntrl(31)
146			day_ini = tab_cntrl(30)
147			end if
148
149			print *, "day_ini = ", day_ini
150
151	guez	38	call NF95_INQ_VARID (ncid, "rlonu", varid)
152			call NF95_GET_VAR(ncid, varid, rlonu)
153	guez	3
154	guez	38	call NF95_INQ_VARID (ncid, "rlatu", varid)
155			call NF95_GET_VAR(ncid, varid, rlatu)
156	guez	3
157	guez	38	call NF95_INQ_VARID (ncid, "rlonv", varid)
158			call NF95_GET_VAR(ncid, varid, rlonv)
159	guez	3
160	guez	38	call NF95_INQ_VARID (ncid, "rlatv", varid)
161			call NF95_GET_VAR(ncid, varid, rlatv)
162	guez	3
163	guez	139	CALL nf95_inq_varid(ncid, 'xprimu', varid)
164			CALL nf95_get_var(ncid, varid, xprimu)
165	guez	3
166	guez	139	CALL nf95_inq_varid(ncid, 'xprimv', varid)
167			CALL nf95_get_var(ncid, varid, xprimv)
168	guez	3
169	guez	139	CALL nf95_inq_varid(ncid, 'xprimm025', varid)
170			CALL nf95_get_var(ncid, varid, xprimm025)
171	guez	3
172	guez	139	CALL nf95_inq_varid(ncid, 'xprimp025', varid)
173			CALL nf95_get_var(ncid, varid, xprimp025)
174
175			call NF95_INQ_VARID (ncid, "rlatu1", varid)
176			call NF95_GET_VAR(ncid, varid, rlatu1)
177
178			call NF95_INQ_VARID (ncid, "rlatu2", varid)
179			call NF95_GET_VAR(ncid, varid, rlatu2)
180
181			CALL nf95_inq_varid(ncid, 'yprimu1', varid)
182			CALL nf95_get_var(ncid, varid, yprimu1)
183
184			CALL nf95_inq_varid(ncid, 'yprimu2', varid)
185			CALL nf95_get_var(ncid, varid, yprimu2)
186
187	guez	228	call NF95_INQ_VARID (ncid, "phis", varid)
188	guez	38	call NF95_GET_VAR(ncid, varid, phis)
189	guez	3
190	guez	38	call NF95_INQ_VARID (ncid, "ucov", varid)
191	guez	55	call NF95_GET_VAR(ncid, varid, ucov)
192	guez	3
193	guez	38	call NF95_INQ_VARID (ncid, "vcov", varid)
194	guez	55	call NF95_GET_VAR(ncid, varid, vcov)
195	guez	3
196	guez	38	call NF95_INQ_VARID (ncid, "teta", varid)
197	guez	43	call NF95_GET_VAR(ncid, varid, teta)
198	guez	3
199			DO iq = 1, nqmx
200	guez	38	call NF95_INQ_VARID(ncid, tname(iq), varid, ierr)
201	guez	157	IF (ierr == NF90_NOERR) THEN
202			call NF95_GET_VAR(ncid, varid, q(:, :, :, iq))
203			ELSE
204	guez	38	PRINT *, 'dynetat0: "' // tname(iq) // '" not found, ' // &
205			"setting it to zero..."
206	guez	40	q(:, :, :, iq) = 0.
207	guez	3	ENDIF
208			ENDDO
209
210	guez	38	call NF95_INQ_VARID (ncid, "masse", varid)
211	guez	55	call NF95_GET_VAR(ncid, varid, masse)
212	guez	3
213	guez	38	call NF95_INQ_VARID (ncid, "ps", varid)
214	guez	39	call NF95_GET_VAR(ncid, varid, ps)
215	guez	85	! Check that there is a single value at each pole:
216			call assert(ps(1, 1) == ps(2:, 1), "dynetat0 ps north pole")
217			call assert(ps(1, jjm + 1) == ps(2:, jjm + 1), "dynetat0 ps south pole")
218	guez	3
219	guez	25	call NF95_CLOSE(ncid)
220	guez	3
221			END SUBROUTINE dynetat0
222
223			end module dynetat0_m