Sources/dyn3d/limit.f

module limit_mod

  IMPLICIT none

contains

  SUBROUTINE limit

    ! Authors: L. Fairhead, Z. X. Li, P. Le Van

    ! This subroutine creates files containing boundary conditions.
    ! It uses files with climatological data.
    ! Both grids must be regular.

    use conf_dat2d_m, only: conf_dat2d
    use dimens_m, only: iim, jjm
    use dimphy, only: klon, zmasq
    use dynetat0_m, only: rlonu, rlatv
    use etat0_mod, only: pctsrf
    use grid_change, only: dyn_phy
    use indicesol, only: epsfra, nbsrf, is_ter, is_oce, is_lic, is_sic
    use inter_barxy_m, only: inter_barxy
    use netcdf95, only: NF95_CLOSE, NF95_CREATE, NF95_DEF_DIM, nf95_def_var, &
         nf95_enddef, nf95_get_var, nf95_gw_var, nf95_inq_dimid, &
         nf95_inq_varid, nf95_inquire_dimension, NF95_OPEN, NF95_PUT_ATT, &
         NF95_PUT_VAR
    use netcdf, only: NF90_CLOBBER, NF90_FLOAT, NF90_GLOBAL, NF90_NOWRITE, &
         NF90_UNLIMITED
    use numer_rec_95, only: spline, splint
    use start_init_orog_m, only: mask
    use unit_nml_m, only: unit_nml

    ! Variables local to the procedure:

    LOGICAL:: extrap = .FALSE.
    ! (extrapolation de donn\'ees, comme pour les SST lorsque le fichier
    ! ne contient pas uniquement des points oc\'eaniques)

    REAL phy_alb(klon, 360)
    REAL phy_sst(klon, 360)
    REAL phy_bil(klon, 360)
    REAL phy_rug(klon, 360)
    REAL phy_ice(klon)

    real pctsrf_t(klon, nbsrf, 360) ! composition of the surface

    ! Pour le champ de d\'epart:
    INTEGER imdep, jmdep, lmdep

    REAL, ALLOCATABLE:: dlon(:), dlat(:)
    REAL, ALLOCATABLE:: dlon_ini(:), dlat_ini(:), timeyear(:)
    REAL, ALLOCATABLE:: champ(:, :)
    REAL, ALLOCATABLE:: work(:, :)

    ! Pour le champ interpol\'e 3D :
    REAL, allocatable:: champtime(:, :, :)
    REAL champan(iim + 1, jjm + 1, 360)

    ! Pour l'inteprolation verticale :
    REAL, allocatable:: yder(:)

    INTEGER nid, ndim, ntim
    INTEGER id_tim
    INTEGER id_SST, id_BILS, id_RUG, id_ALB
    INTEGER id_FOCE, id_FSIC, id_FTER, id_FLIC

    INTEGER i, j, k, l
    INTEGER ncid, varid, dimid

    REAL, parameter:: tmidmonth(12) = (/(15. + 30. * i, i = 0, 11)/)

    namelist /limit_nml/extrap

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

    print *, "Call sequence information: limit"

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

    PRINT *, 'Processing rugosity...'

    call NF95_OPEN('Rugos.nc', NF90_NOWRITE, ncid)

    ! Read coordinate variables:

    call nf95_inq_varid(ncid, "longitude", varid)
    call nf95_gw_var(ncid, varid, dlon_ini)
    imdep = size(dlon_ini)

    call nf95_inq_varid(ncid, "latitude", varid)
    call nf95_gw_var(ncid, varid, dlat_ini)
    jmdep = size(dlat_ini)

    call nf95_inq_varid(ncid, "temps", varid)
    call nf95_gw_var(ncid, varid, timeyear)
    lmdep = size(timeyear)

    ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
    allocate(dlon(imdep), dlat(jmdep))
    call NF95_INQ_VARID(ncid, 'RUGOS', varid)

    ! Read the primary variable day by day and regrid horizontally,
    ! result in "champtime":
    DO  l = 1, lmdep
       call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
       CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
       CALL inter_barxy(dlon, dlat(:jmdep -1), LOG(champ), rlonu(:iim), &
            rlatv, champtime(:, :, l))
       champtime(:, :, l) = EXP(champtime(:, :, l))
       where (nint(mask(:iim, :)) /= 1) champtime(:, :, l) = 0.001
    end do

    call NF95_CLOSE(ncid)

    DEALLOCATE(dlon, dlat, champ)
    allocate(yder(lmdep))

    ! Interpolate monthly values to daily values, at each horizontal position:
    DO j = 1, jjm + 1
       DO i = 1, iim
          yder = SPLINE(timeyear, champtime(i, j, :))
          DO k = 1, 360
             champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, &
                  real(k-1))
          ENDDO
       ENDDO
    ENDDO

    deallocate(champtime, yder)
    champan(iim + 1, :, :) = champan(1, :, :)
    forall (k = 1:360) phy_rug(:, k) = pack(champan(:, :, k), dyn_phy)

    ! Process sea ice:

    PRINT *, 'Processing sea ice...'
    call NF95_OPEN('amipbc_sic_1x1.nc', NF90_NOWRITE, ncid)

    call nf95_inq_varid(ncid, "longitude", varid)
    call nf95_gw_var(ncid, varid, dlon_ini)
    imdep = size(dlon_ini)

    call nf95_inq_varid(ncid, "latitude", varid)
    call nf95_gw_var(ncid, varid, dlat_ini)
    jmdep = size(dlat_ini)

    call nf95_inq_dimid(ncid, "time", dimid)
    call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep)
    print *, 'lmdep = ', lmdep
    ! Coordonn\'ee temporelle fichiers AMIP pas en jours. Ici on suppose
    ! qu'on a 12 mois (de 30 jours).
    IF (lmdep /= 12) then
       print *, 'Unknown AMIP file: not 12 months?'
       STOP 1
    end IF

    ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
    ALLOCATE(dlon(imdep), dlat(jmdep))
    call NF95_INQ_VARID(ncid, 'sicbcs', varid)
    DO l = 1, lmdep
       call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
       CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
       CALL inter_barxy(dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, &
            champtime(:, :, l))
    ENDDO

    call NF95_CLOSE(ncid)

    DEALLOCATE(dlon, dlat, champ)
    PRINT *, 'Interpolation temporelle'
    allocate(yder(lmdep))

    DO j = 1, jjm + 1
       DO i = 1, iim
          yder = SPLINE(tmidmonth, champtime(i, j, :))
          DO k = 1, 360
             champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, &
                  real(k-1))
          ENDDO
       ENDDO
    ENDDO

    deallocate(champtime, yder)

    ! Convert from percentage to normal fraction and keep sea ice
    ! between 0 and 1:
    champan(:iim, :, :) = max(0., (min(1., (champan(:iim, :, :) / 100.))))
    champan(iim + 1, :, :) = champan(1, :, :)

    DO k = 1, 360
       phy_ice = pack(champan(:, :, k), dyn_phy)

       ! (utilisation de la sous-maille fractionnelle tandis que l'ancien
       ! codage utilisait l'indicateur du sol (0, 1, 2, 3))
       ! PB en attendant de mettre fraction de terre
       WHERE (phy_ice < EPSFRA) phy_ice = 0.

       pctsrf_t(:, is_ter, k) = pctsrf(:, is_ter)
       pctsrf_t(:, is_lic, k) = pctsrf(:, is_lic)
       pctsrf_t(:, is_sic, k) = max(phy_ice - pctsrf_t(:, is_lic, k), 0.)
       ! Il y a des cas o\`u il y a de la glace dans landiceref et
       ! pas dans AMIP
       WHERE (1. - zmasq < EPSFRA)
          pctsrf_t(:, is_sic, k) = 0.
          pctsrf_t(:, is_oce, k) = 0.
       elsewhere
          where (pctsrf_t(:, is_sic, k) >= 1 - zmasq)
             pctsrf_t(:, is_sic, k) = 1. - zmasq
             pctsrf_t(:, is_oce, k) = 0.
          ELSEwhere
             pctsrf_t(:, is_oce, k) = 1. - zmasq - pctsrf_t(:, is_sic, k)
             where (pctsrf_t(:, is_oce, k) < EPSFRA)
                pctsrf_t(:, is_oce, k) = 0.
                pctsrf_t(:, is_sic, k) = 1 - zmasq
             end where
          end where
       end where

       DO i = 1, klon
          if (pctsrf_t(i, is_oce, k) < 0.) then
             print *, 'Bad surface fraction: pctsrf_t(', i, &
                  ', is_oce, ', k, ') = ', pctsrf_t(i, is_oce, k)
          ENDIF
          IF (abs(pctsrf_t(i, is_ter, k) + pctsrf_t(i, is_lic, k) &
               + pctsrf_t(i, is_oce, k) + pctsrf_t(i, is_sic, k) - 1.) &
               > EPSFRA) THEN 
             print *, 'Bad surface fraction:'
             print *, "pctsrf_t(", i, ", :, ", k, ") = ", &
                  pctsrf_t(i, :, k)
             print *, "phy_ice(", i, ") = ", phy_ice(i)
          ENDIF
       END DO
    ENDDO

    PRINT *, 'Traitement de la sst'
    call NF95_OPEN('amipbc_sst_1x1.nc', NF90_NOWRITE, ncid)

    call nf95_inq_varid(ncid, "longitude", varid)
    call nf95_gw_var(ncid, varid, dlon_ini)
    imdep = size(dlon_ini)

    call nf95_inq_varid(ncid, "latitude", varid)
    call nf95_gw_var(ncid, varid, dlat_ini)
    jmdep = size(dlat_ini)

    call nf95_inq_dimid(ncid, "time", dimid)
    call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep)
    print *, 'lmdep = ', lmdep
    !PM28/02/2002 : nouvelle coord temporelle fichiers AMIP pas en jours
    !        Ici on suppose qu'on a 12 mois (de 30 jours).
    IF (lmdep /= 12) stop 'Unknown AMIP file: not 12 months?'

    ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
    IF(extrap)  THEN
       ALLOCATE(work(imdep, jmdep))
    ENDIF
    ALLOCATE(dlon(imdep), dlat(jmdep))
    call NF95_INQ_VARID(ncid, 'tosbcs', varid)

    DO l = 1, lmdep
       call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
       CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
       IF (extrap) THEN
          CALL extrapol(champ, imdep, jmdep, 999999., .TRUE., .TRUE., 2, work)
       ENDIF

       CALL inter_barxy(dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, &
            champtime(:, :, l))
    ENDDO

    call NF95_CLOSE(ncid)

    DEALLOCATE(dlon, dlat, champ)
    allocate(yder(lmdep))

    ! interpolation temporelle
    DO j = 1, jjm + 1
       DO i = 1, iim
          yder = SPLINE(tmidmonth, champtime(i, j, :))
          DO k = 1, 360
             champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, &
                  real(k-1))
          ENDDO
       ENDDO
    ENDDO

    deallocate(champtime, yder)
    champan(iim + 1, :, :) = champan(1, :, :)

    !IM14/03/2002 : SST amipbc greater then 271.38
    PRINT *, 'SUB. limit_netcdf.F IM : SST Amipbc >= 271.38 '
    DO k = 1, 360
       DO j = 1, jjm + 1
          DO i = 1, iim
             champan(i, j, k) = amax1(champan(i, j, k), 271.38)
          ENDDO
          champan(iim + 1, j, k) = champan(1, j, k)
       ENDDO
    ENDDO
    forall (k = 1:360) phy_sst(:, k) = pack(champan(:, :, k), dyn_phy)

    PRINT *, "Traitement de l'albedo..."
    call NF95_OPEN('Albedo.nc', NF90_NOWRITE, ncid)

    call nf95_inq_varid(ncid, "longitude", varid)
    call nf95_gw_var(ncid, varid, dlon_ini)
    imdep = size(dlon_ini)

    call nf95_inq_varid(ncid, "latitude", varid)
    call nf95_gw_var(ncid, varid, dlat_ini)
    jmdep = size(dlat_ini)

    call nf95_inq_varid(ncid, "temps", varid)
    call nf95_gw_var(ncid, varid, timeyear)
    lmdep = size(timeyear)

    ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
    ALLOCATE(dlon(imdep), dlat(jmdep))
    call NF95_INQ_VARID(ncid, 'ALBEDO', varid)

    DO l = 1, lmdep
       PRINT *, "timeyear(", l, ") =", timeyear(l)
       call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
       CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
       CALL inter_barxy(dlon, dlat(:jmdep-1), champ, rlonu(:iim), rlatv, &
            champtime(:, :, l))
    ENDDO

    call NF95_CLOSE(ncid)

    allocate(yder(lmdep))

    ! interpolation temporelle
    DO j = 1, jjm + 1
       DO i = 1, iim
          yder = SPLINE(timeyear, champtime(i, j, :))
          DO k = 1, 360
             champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, &
                  real(k-1))
          ENDDO
       ENDDO
    ENDDO

    champan(iim + 1, :, :) = champan(1, :, :)
    forall (k = 1:360) phy_alb(:, k) = pack(champan(:, :, k), dyn_phy)

    DO k = 1, 360
       DO i = 1, klon
          phy_bil(i, k) = 0.0
       ENDDO
    ENDDO

    PRINT *, 'Ecriture du fichier limit.nc...'

    call NF95_CREATE("limit.nc", NF90_CLOBBER, nid)

    call NF95_PUT_ATT(nid, NF90_GLOBAL, "title", &
         "Fichier conditions aux limites")
    call NF95_DEF_DIM(nid, "points_physiques", klon, ndim)
    call NF95_DEF_DIM(nid, "time", NF90_UNLIMITED, ntim)

    call NF95_DEF_VAR(nid, "TEMPS", NF90_FLOAT, ntim, id_tim)
    call NF95_PUT_ATT(nid, id_tim, "title", "Jour dans l annee")

    call NF95_DEF_VAR(nid, "FOCE", NF90_FLOAT, dimids=(/ndim, ntim/), &
         varid=id_foce)
    call NF95_PUT_ATT(nid, id_FOCE, "title", "Fraction ocean")

    call NF95_DEF_VAR(nid, "FSIC", NF90_FLOAT, dimids=(/ndim, ntim/), &
         varid=id_FSIC)
    call NF95_PUT_ATT(nid, id_FSIC, "title", "Fraction glace de mer")

    call NF95_DEF_VAR(nid, "FTER", NF90_FLOAT, dimids=(/ndim, ntim/), &
         varid=id_FTER)
    call NF95_PUT_ATT(nid, id_FTER, "title", "Fraction terre")

    call NF95_DEF_VAR(nid, "FLIC", NF90_FLOAT, dimids=(/ndim, ntim/), &
         varid=id_FLIC)
    call NF95_PUT_ATT(nid, id_FLIC, "title", "Fraction land ice")

    call NF95_DEF_VAR(nid, "SST", NF90_FLOAT, dimids=(/ndim, ntim/), &
         varid=id_SST)
    call NF95_PUT_ATT(nid, id_SST, "title",  &
         "Temperature superficielle de la mer")

    call NF95_DEF_VAR(nid, "BILS", NF90_FLOAT, dimids=(/ndim, ntim/), &
         varid=id_BILS)
    call NF95_PUT_ATT(nid, id_BILS, "title", "Reference flux de chaleur au sol")

    call NF95_DEF_VAR(nid, "ALB", NF90_FLOAT, dimids=(/ndim, ntim/), &
         varid=id_ALB)
    call NF95_PUT_ATT(nid, id_ALB, "title", "Albedo a la surface")

    call NF95_DEF_VAR(nid, "RUG", NF90_FLOAT, dimids=(/ndim, ntim/), &
         varid=id_RUG)
    call NF95_PUT_ATT(nid, id_RUG, "title", "Rugosite")

    call NF95_ENDDEF(nid)

    DO k = 1, 360
       call NF95_PUT_VAR(nid, id_tim, REAL(k), (/k/))
       call NF95_PUT_VAR(nid, id_FOCE, pctsrf_t(:, is_oce, k), start=(/1, k/))
       call NF95_PUT_VAR(nid, id_FSIC, pctsrf_t(:, is_sic, k), start=(/1, k/))
       call NF95_PUT_VAR(nid, id_FTER, pctsrf_t(:, is_ter, k), start=(/1, k/))
       call NF95_PUT_VAR(nid, id_FLIC, pctsrf_t(:, is_lic, k), start=(/1, k/))
       call NF95_PUT_VAR(nid, id_SST, phy_sst(:, k), start=(/1, k/))
       call NF95_PUT_VAR(nid, id_BILS, phy_bil(:, k), start=(/1, k/))
       call NF95_PUT_VAR(nid, id_ALB, phy_alb(:, k), start=(/1, k/))
       call NF95_PUT_VAR(nid, id_RUG, phy_rug(:, k), start=(/1, k/))
    ENDDO

    call NF95_CLOSE(nid)

  END SUBROUTINE limit

end module limit_mod
1	module limit_mod
2
3	IMPLICIT none
4
5	contains
6
7	SUBROUTINE limit
8
9	! Authors: L. Fairhead, Z. X. Li, P. Le Van
10
11	! This subroutine creates files containing boundary conditions.
12	! It uses files with climatological data.
13	! Both grids must be regular.
14
15	use conf_dat2d_m, only: conf_dat2d
16	use dimens_m, only: iim, jjm
17	use dimphy, only: klon, zmasq
18	use dynetat0_m, only: rlonu, rlatv
19	use etat0_mod, only: pctsrf
20	use grid_change, only: dyn_phy
21	use indicesol, only: epsfra, nbsrf, is_ter, is_oce, is_lic, is_sic
22	use inter_barxy_m, only: inter_barxy
23	use netcdf95, only: NF95_CLOSE, NF95_CREATE, NF95_DEF_DIM, nf95_def_var, &
24	nf95_enddef, nf95_get_var, nf95_gw_var, nf95_inq_dimid, &
25	nf95_inq_varid, nf95_inquire_dimension, NF95_OPEN, NF95_PUT_ATT, &
26	NF95_PUT_VAR
27	use netcdf, only: NF90_CLOBBER, NF90_FLOAT, NF90_GLOBAL, NF90_NOWRITE, &
28	NF90_UNLIMITED
29	use numer_rec_95, only: spline, splint
30	use start_init_orog_m, only: mask
31	use unit_nml_m, only: unit_nml
32
33	! Variables local to the procedure:
34
35	LOGICAL:: extrap = .FALSE.
36	! (extrapolation de donn\'ees, comme pour les SST lorsque le fichier
37	! ne contient pas uniquement des points oc\'eaniques)
38
39	REAL phy_alb(klon, 360)
40	REAL phy_sst(klon, 360)
41	REAL phy_bil(klon, 360)
42	REAL phy_rug(klon, 360)
43	REAL phy_ice(klon)
44
45	real pctsrf_t(klon, nbsrf, 360) ! composition of the surface
46
47	! Pour le champ de d\'epart:
48	INTEGER imdep, jmdep, lmdep
49
50	REAL, ALLOCATABLE:: dlon(:), dlat(:)
51	REAL, ALLOCATABLE:: dlon_ini(:), dlat_ini(:), timeyear(:)
52	REAL, ALLOCATABLE:: champ(:, :)
53	REAL, ALLOCATABLE:: work(:, :)
54
55	! Pour le champ interpol\'e 3D :
56	REAL, allocatable:: champtime(:, :, :)
57	REAL champan(iim + 1, jjm + 1, 360)
58
59	! Pour l'inteprolation verticale :
60	REAL, allocatable:: yder(:)
61
62	INTEGER nid, ndim, ntim
63	INTEGER id_tim
64	INTEGER id_SST, id_BILS, id_RUG, id_ALB
65	INTEGER id_FOCE, id_FSIC, id_FTER, id_FLIC
66
67	INTEGER i, j, k, l
68	INTEGER ncid, varid, dimid
69
70	REAL, parameter:: tmidmonth(12) = (/(15. + 30. * i, i = 0, 11)/)
71
72	namelist /limit_nml/extrap
73
74	!--------------------
75
76	print *, "Call sequence information: limit"
77
78	print *, "Enter namelist 'limit_nml'."
79	read(unit=*, nml=limit_nml)
80	write(unit_nml, nml=limit_nml)
81
82	PRINT *, 'Processing rugosity...'
83
84	call NF95_OPEN('Rugos.nc', NF90_NOWRITE, ncid)
85
86	! Read coordinate variables:
87
88	call nf95_inq_varid(ncid, "longitude", varid)
89	call nf95_gw_var(ncid, varid, dlon_ini)
90	imdep = size(dlon_ini)
91
92	call nf95_inq_varid(ncid, "latitude", varid)
93	call nf95_gw_var(ncid, varid, dlat_ini)
94	jmdep = size(dlat_ini)
95
96	call nf95_inq_varid(ncid, "temps", varid)
97	call nf95_gw_var(ncid, varid, timeyear)
98	lmdep = size(timeyear)
99
100	ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
101	allocate(dlon(imdep), dlat(jmdep))
102	call NF95_INQ_VARID(ncid, 'RUGOS', varid)
103
104	! Read the primary variable day by day and regrid horizontally,
105	! result in "champtime":
106	DO l = 1, lmdep
107	call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
108	CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
109	CALL inter_barxy(dlon, dlat(:jmdep -1), LOG(champ), rlonu(:iim), &
110	rlatv, champtime(:, :, l))
111	champtime(:, :, l) = EXP(champtime(:, :, l))
112	where (nint(mask(:iim, :)) /= 1) champtime(:, :, l) = 0.001
113	end do
114
115	call NF95_CLOSE(ncid)
116
117	DEALLOCATE(dlon, dlat, champ)
118	allocate(yder(lmdep))
119
120	! Interpolate monthly values to daily values, at each horizontal position:
121	DO j = 1, jjm + 1
122	DO i = 1, iim
123	yder = SPLINE(timeyear, champtime(i, j, :))
124	DO k = 1, 360
125	champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, &
126	real(k-1))
127	ENDDO
128	ENDDO
129	ENDDO
130
131	deallocate(champtime, yder)
132	champan(iim + 1, :, :) = champan(1, :, :)
133	forall (k = 1:360) phy_rug(:, k) = pack(champan(:, :, k), dyn_phy)
134
135	! Process sea ice:
136
137	PRINT *, 'Processing sea ice...'
138	call NF95_OPEN('amipbc_sic_1x1.nc', NF90_NOWRITE, ncid)
139
140	call nf95_inq_varid(ncid, "longitude", varid)
141	call nf95_gw_var(ncid, varid, dlon_ini)
142	imdep = size(dlon_ini)
143
144	call nf95_inq_varid(ncid, "latitude", varid)
145	call nf95_gw_var(ncid, varid, dlat_ini)
146	jmdep = size(dlat_ini)
147
148	call nf95_inq_dimid(ncid, "time", dimid)
149	call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep)
150	print *, 'lmdep = ', lmdep
151	! Coordonn\'ee temporelle fichiers AMIP pas en jours. Ici on suppose
152	! qu'on a 12 mois (de 30 jours).
153	IF (lmdep /= 12) then
154	print *, 'Unknown AMIP file: not 12 months?'
155	STOP 1
156	end IF
157
158	ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
159	ALLOCATE(dlon(imdep), dlat(jmdep))
160	call NF95_INQ_VARID(ncid, 'sicbcs', varid)
161	DO l = 1, lmdep
162	call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
163	CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
164	CALL inter_barxy(dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, &
165	champtime(:, :, l))
166	ENDDO
167
168	call NF95_CLOSE(ncid)
169
170	DEALLOCATE(dlon, dlat, champ)
171	PRINT *, 'Interpolation temporelle'
172	allocate(yder(lmdep))
173
174	DO j = 1, jjm + 1
175	DO i = 1, iim
176	yder = SPLINE(tmidmonth, champtime(i, j, :))
177	DO k = 1, 360
178	champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, &
179	real(k-1))
180	ENDDO
181	ENDDO
182	ENDDO
183
184	deallocate(champtime, yder)
185
186	! Convert from percentage to normal fraction and keep sea ice
187	! between 0 and 1:
188	champan(:iim, :, :) = max(0., (min(1., (champan(:iim, :, :) / 100.))))
189	champan(iim + 1, :, :) = champan(1, :, :)
190
191	DO k = 1, 360
192	phy_ice = pack(champan(:, :, k), dyn_phy)
193
194	! (utilisation de la sous-maille fractionnelle tandis que l'ancien
195	! codage utilisait l'indicateur du sol (0, 1, 2, 3))
196	! PB en attendant de mettre fraction de terre
197	WHERE (phy_ice < EPSFRA) phy_ice = 0.
198
199	pctsrf_t(:, is_ter, k) = pctsrf(:, is_ter)
200	pctsrf_t(:, is_lic, k) = pctsrf(:, is_lic)
201	pctsrf_t(:, is_sic, k) = max(phy_ice - pctsrf_t(:, is_lic, k), 0.)
202	! Il y a des cas o\`u il y a de la glace dans landiceref et
203	! pas dans AMIP
204	WHERE (1. - zmasq < EPSFRA)
205	pctsrf_t(:, is_sic, k) = 0.
206	pctsrf_t(:, is_oce, k) = 0.
207	elsewhere
208	where (pctsrf_t(:, is_sic, k) >= 1 - zmasq)
209	pctsrf_t(:, is_sic, k) = 1. - zmasq
210	pctsrf_t(:, is_oce, k) = 0.
211	ELSEwhere
212	pctsrf_t(:, is_oce, k) = 1. - zmasq - pctsrf_t(:, is_sic, k)
213	where (pctsrf_t(:, is_oce, k) < EPSFRA)
214	pctsrf_t(:, is_oce, k) = 0.
215	pctsrf_t(:, is_sic, k) = 1 - zmasq
216	end where
217	end where
218	end where
219
220	DO i = 1, klon
221	if (pctsrf_t(i, is_oce, k) < 0.) then
222	print *, 'Bad surface fraction: pctsrf_t(', i, &
223	', is_oce, ', k, ') = ', pctsrf_t(i, is_oce, k)
224	ENDIF
225	IF (abs(pctsrf_t(i, is_ter, k) + pctsrf_t(i, is_lic, k) &
226	+ pctsrf_t(i, is_oce, k) + pctsrf_t(i, is_sic, k) - 1.) &
227	> EPSFRA) THEN
228	print *, 'Bad surface fraction:'
229	print *, "pctsrf_t(", i, ", :, ", k, ") = ", &
230	pctsrf_t(i, :, k)
231	print *, "phy_ice(", i, ") = ", phy_ice(i)
232	ENDIF
233	END DO
234	ENDDO
235
236	PRINT *, 'Traitement de la sst'
237	call NF95_OPEN('amipbc_sst_1x1.nc', NF90_NOWRITE, ncid)
238
239	call nf95_inq_varid(ncid, "longitude", varid)
240	call nf95_gw_var(ncid, varid, dlon_ini)
241	imdep = size(dlon_ini)
242
243	call nf95_inq_varid(ncid, "latitude", varid)
244	call nf95_gw_var(ncid, varid, dlat_ini)
245	jmdep = size(dlat_ini)
246
247	call nf95_inq_dimid(ncid, "time", dimid)
248	call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep)
249	print *, 'lmdep = ', lmdep
250	!PM28/02/2002 : nouvelle coord temporelle fichiers AMIP pas en jours
251	! Ici on suppose qu'on a 12 mois (de 30 jours).
252	IF (lmdep /= 12) stop 'Unknown AMIP file: not 12 months?'
253
254	ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
255	IF(extrap) THEN
256	ALLOCATE(work(imdep, jmdep))
257	ENDIF
258	ALLOCATE(dlon(imdep), dlat(jmdep))
259	call NF95_INQ_VARID(ncid, 'tosbcs', varid)
260
261	DO l = 1, lmdep
262	call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
263	CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
264	IF (extrap) THEN
265	CALL extrapol(champ, imdep, jmdep, 999999., .TRUE., .TRUE., 2, work)
266	ENDIF
267
268	CALL inter_barxy(dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, &
269	champtime(:, :, l))
270	ENDDO
271
272	call NF95_CLOSE(ncid)
273
274	DEALLOCATE(dlon, dlat, champ)
275	allocate(yder(lmdep))
276
277	! interpolation temporelle
278	DO j = 1, jjm + 1
279	DO i = 1, iim
280	yder = SPLINE(tmidmonth, champtime(i, j, :))
281	DO k = 1, 360
282	champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, &
283	real(k-1))
284	ENDDO
285	ENDDO
286	ENDDO
287
288	deallocate(champtime, yder)
289	champan(iim + 1, :, :) = champan(1, :, :)
290
291	!IM14/03/2002 : SST amipbc greater then 271.38
292	PRINT *, 'SUB. limit_netcdf.F IM : SST Amipbc >= 271.38 '
293	DO k = 1, 360
294	DO j = 1, jjm + 1
295	DO i = 1, iim
296	champan(i, j, k) = amax1(champan(i, j, k), 271.38)
297	ENDDO
298	champan(iim + 1, j, k) = champan(1, j, k)
299	ENDDO
300	ENDDO
301	forall (k = 1:360) phy_sst(:, k) = pack(champan(:, :, k), dyn_phy)
302
303	PRINT *, "Traitement de l'albedo..."
304	call NF95_OPEN('Albedo.nc', NF90_NOWRITE, ncid)
305
306	call nf95_inq_varid(ncid, "longitude", varid)
307	call nf95_gw_var(ncid, varid, dlon_ini)
308	imdep = size(dlon_ini)
309
310	call nf95_inq_varid(ncid, "latitude", varid)
311	call nf95_gw_var(ncid, varid, dlat_ini)
312	jmdep = size(dlat_ini)
313
314	call nf95_inq_varid(ncid, "temps", varid)
315	call nf95_gw_var(ncid, varid, timeyear)
316	lmdep = size(timeyear)
317
318	ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
319	ALLOCATE(dlon(imdep), dlat(jmdep))
320	call NF95_INQ_VARID(ncid, 'ALBEDO', varid)
321
322	DO l = 1, lmdep
323	PRINT *, "timeyear(", l, ") =", timeyear(l)
324	call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
325	CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
326	CALL inter_barxy(dlon, dlat(:jmdep-1), champ, rlonu(:iim), rlatv, &
327	champtime(:, :, l))
328	ENDDO
329
330	call NF95_CLOSE(ncid)
331
332	allocate(yder(lmdep))
333
334	! interpolation temporelle
335	DO j = 1, jjm + 1
336	DO i = 1, iim
337	yder = SPLINE(timeyear, champtime(i, j, :))
338	DO k = 1, 360
339	champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, &
340	real(k-1))
341	ENDDO
342	ENDDO
343	ENDDO
344
345	champan(iim + 1, :, :) = champan(1, :, :)
346	forall (k = 1:360) phy_alb(:, k) = pack(champan(:, :, k), dyn_phy)
347
348	DO k = 1, 360
349	DO i = 1, klon
350	phy_bil(i, k) = 0.0
351	ENDDO
352	ENDDO
353
354	PRINT *, 'Ecriture du fichier limit.nc...'
355
356	call NF95_CREATE("limit.nc", NF90_CLOBBER, nid)
357
358	call NF95_PUT_ATT(nid, NF90_GLOBAL, "title", &
359	"Fichier conditions aux limites")
360	call NF95_DEF_DIM(nid, "points_physiques", klon, ndim)
361	call NF95_DEF_DIM(nid, "time", NF90_UNLIMITED, ntim)
362
363	call NF95_DEF_VAR(nid, "TEMPS", NF90_FLOAT, ntim, id_tim)
364	call NF95_PUT_ATT(nid, id_tim, "title", "Jour dans l annee")
365
366	call NF95_DEF_VAR(nid, "FOCE", NF90_FLOAT, dimids=(/ndim, ntim/), &
367	varid=id_foce)
368	call NF95_PUT_ATT(nid, id_FOCE, "title", "Fraction ocean")
369
370	call NF95_DEF_VAR(nid, "FSIC", NF90_FLOAT, dimids=(/ndim, ntim/), &
371	varid=id_FSIC)
372	call NF95_PUT_ATT(nid, id_FSIC, "title", "Fraction glace de mer")
373
374	call NF95_DEF_VAR(nid, "FTER", NF90_FLOAT, dimids=(/ndim, ntim/), &
375	varid=id_FTER)
376	call NF95_PUT_ATT(nid, id_FTER, "title", "Fraction terre")
377
378	call NF95_DEF_VAR(nid, "FLIC", NF90_FLOAT, dimids=(/ndim, ntim/), &
379	varid=id_FLIC)
380	call NF95_PUT_ATT(nid, id_FLIC, "title", "Fraction land ice")
381
382	call NF95_DEF_VAR(nid, "SST", NF90_FLOAT, dimids=(/ndim, ntim/), &
383	varid=id_SST)
384	call NF95_PUT_ATT(nid, id_SST, "title", &
385	"Temperature superficielle de la mer")
386
387	call NF95_DEF_VAR(nid, "BILS", NF90_FLOAT, dimids=(/ndim, ntim/), &
388	varid=id_BILS)
389	call NF95_PUT_ATT(nid, id_BILS, "title", "Reference flux de chaleur au sol")
390
391	call NF95_DEF_VAR(nid, "ALB", NF90_FLOAT, dimids=(/ndim, ntim/), &
392	varid=id_ALB)
393	call NF95_PUT_ATT(nid, id_ALB, "title", "Albedo a la surface")
394
395	call NF95_DEF_VAR(nid, "RUG", NF90_FLOAT, dimids=(/ndim, ntim/), &
396	varid=id_RUG)
397	call NF95_PUT_ATT(nid, id_RUG, "title", "Rugosite")
398
399	call NF95_ENDDEF(nid)
400
401	DO k = 1, 360
402	call NF95_PUT_VAR(nid, id_tim, REAL(k), (/k/))
403	call NF95_PUT_VAR(nid, id_FOCE, pctsrf_t(:, is_oce, k), start=(/1, k/))
404	call NF95_PUT_VAR(nid, id_FSIC, pctsrf_t(:, is_sic, k), start=(/1, k/))
405	call NF95_PUT_VAR(nid, id_FTER, pctsrf_t(:, is_ter, k), start=(/1, k/))
406	call NF95_PUT_VAR(nid, id_FLIC, pctsrf_t(:, is_lic, k), start=(/1, k/))
407	call NF95_PUT_VAR(nid, id_SST, phy_sst(:, k), start=(/1, k/))
408	call NF95_PUT_VAR(nid, id_BILS, phy_bil(:, k), start=(/1, k/))
409	call NF95_PUT_VAR(nid, id_ALB, phy_alb(:, k), start=(/1, k/))
410	call NF95_PUT_VAR(nid, id_RUG, phy_rug(:, k), start=(/1, k/))
411	ENDDO
412
413	call NF95_CLOSE(nid)
414
415	END SUBROUTINE limit
416
417	end module limit_mod