libf/dyn3d/limit.f90

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 comgeom, only: rlonu, rlatv
    use conf_dat2d_m, only: conf_dat2d
    use dimens_m, only: iim, jjm
    use dimphy, only: klon, zmasq
    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: handle_err, nf95_gw_var, NF95_CLOSE, NF95_DEF_DIM, &
         nf95_enddef, NF95_CREATE, nf95_inq_dimid, nf95_inquire_dimension, &
         nf95_inq_varid, NF95_OPEN
    use netcdf, only: NF90_CLOBBER, nf90_def_var, NF90_FLOAT, NF90_GET_VAR, &
         NF90_GLOBAL, NF90_NOWRITE, NF90_PUT_ATT, NF90_PUT_VAR, &
         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 données, comme pour les SST lorsque le fichier
    ! ne contient pas uniquement des points océaniques)

    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 départ:
    INTEGER imdep, jmdep, lmdep

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

    ! Pour le champ interpolé 3D :
    REAL, allocatable:: champtime(:, :, :)
    REAL champan(iim + 1, jjm + 1, 360)

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

    INTEGER ierr

    INTEGER nid, ndim, ntim
    INTEGER dims(2), debut(2)
    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
       ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
       call handle_err("NF90_GET_VAR", ierr)

       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, dlon_ini, dlat_ini)
    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(timeyear, 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
    ! Coordonnée 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
       ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
       call handle_err("NF90_GET_VAR", ierr)

       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, dlon_ini, dlat_ini)
    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 où 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 *, 'Problème sous maille : 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 *, 'Problème sous surface :'
             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
       ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
       call handle_err("NF90_GET_VAR", ierr)

       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, dlon_ini, dlat_ini)
    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 *, 'Lecture temporelle et int. horizontale ', l, timeyear(l)
       ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
       call handle_err("NF90_GET_VAR", ierr)

       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_ini, dlat_ini)
    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
    deallocate(timeyear)

    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'

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

    ierr = NF90_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)

    dims(1) = ndim
    dims(2) = ntim

    ierr = NF90_DEF_VAR (nid, "TEMPS", NF90_FLOAT, ntim, id_tim)
    ierr = NF90_PUT_ATT (nid, id_tim, "title", "Jour dans l annee")
    ierr = NF90_DEF_VAR (nid, "FOCE", NF90_FLOAT, dims, id_FOCE)
    ierr = NF90_PUT_ATT (nid, id_FOCE, "title", "Fraction ocean")

    ierr = NF90_DEF_VAR (nid, "FSIC", NF90_FLOAT, dims, id_FSIC)
    ierr = NF90_PUT_ATT (nid, id_FSIC, "title", "Fraction glace de mer")

    ierr = NF90_DEF_VAR (nid, "FTER", NF90_FLOAT, dims, id_FTER)
    ierr = NF90_PUT_ATT (nid, id_FTER, "title", "Fraction terre")

    ierr = NF90_DEF_VAR (nid, "FLIC", NF90_FLOAT, dims, id_FLIC)
    ierr = NF90_PUT_ATT (nid, id_FLIC, "title", "Fraction land ice")

    ierr = NF90_DEF_VAR (nid, "SST", NF90_FLOAT, dims, id_SST)
    ierr = NF90_PUT_ATT (nid, id_SST, "title",  &
         "Temperature superficielle de la mer")
    ierr = NF90_DEF_VAR (nid, "BILS", NF90_FLOAT, dims, id_BILS)
    ierr = NF90_PUT_ATT (nid, id_BILS, "title", &
         "Reference flux de chaleur au sol")
    ierr = NF90_DEF_VAR (nid, "ALB", NF90_FLOAT, dims, id_ALB)
    ierr = NF90_PUT_ATT (nid, id_ALB, "title", "Albedo a la surface")
    ierr = NF90_DEF_VAR (nid, "RUG", NF90_FLOAT, dims, id_RUG)
    ierr = NF90_PUT_ATT (nid, id_RUG, "title", "Rugosite")

    call NF95_ENDDEF(nid)

    DO k = 1, 360
       debut(1) = 1
       debut(2) = k

       ierr = NF90_PUT_VAR(nid, id_tim, REAL(k), (/k/))
       ierr = NF90_PUT_VAR(nid, id_FOCE, pctsrf_t(:, is_oce, k), debut)
       ierr = NF90_PUT_VAR (nid, id_FSIC, pctsrf_t(:, is_sic, k), debut)
       ierr = NF90_PUT_VAR (nid, id_FTER, pctsrf_t(:, is_ter, k), debut)
       ierr = NF90_PUT_VAR (nid, id_FLIC, pctsrf_t(:, is_lic, k), debut)
       ierr = NF90_PUT_VAR (nid, id_SST, phy_sst(:, k), debut)
       ierr = NF90_PUT_VAR (nid, id_BILS, phy_bil(:, k), debut)
       ierr = NF90_PUT_VAR (nid, id_ALB, phy_alb(:, k), debut)
       ierr = NF90_PUT_VAR (nid, id_RUG, phy_rug(:, k), debut)
    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 comgeom, only: rlonu, rlatv
16	use conf_dat2d_m, only: conf_dat2d
17	use dimens_m, only: iim, jjm
18	use dimphy, only: klon, zmasq
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: handle_err, nf95_gw_var, NF95_CLOSE, NF95_DEF_DIM, &
24	nf95_enddef, NF95_CREATE, nf95_inq_dimid, nf95_inquire_dimension, &
25	nf95_inq_varid, NF95_OPEN
26	use netcdf, only: NF90_CLOBBER, nf90_def_var, NF90_FLOAT, NF90_GET_VAR, &
27	NF90_GLOBAL, NF90_NOWRITE, NF90_PUT_ATT, NF90_PUT_VAR, &
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 données, comme pour les SST lorsque le fichier
37	! ne contient pas uniquement des points océaniques)
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 départ:
48	INTEGER imdep, jmdep, lmdep
49
50	REAL, ALLOCATABLE:: dlon(:), dlat(:)
51	REAL, pointer:: dlon_ini(:), dlat_ini(:), timeyear(:)
52	REAL, ALLOCATABLE:: champ(:, :)
53	REAL, ALLOCATABLE:: work(:, :)
54
55	! Pour le champ interpolé 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 ierr
63
64	INTEGER nid, ndim, ntim
65	INTEGER dims(2), debut(2)
66	INTEGER id_tim
67	INTEGER id_SST, id_BILS, id_RUG, id_ALB
68	INTEGER id_FOCE, id_FSIC, id_FTER, id_FLIC
69
70	INTEGER i, j, k, l
71	INTEGER ncid, varid, dimid
72
73	REAL, parameter:: tmidmonth(12) = (/(15. + 30. * i, i = 0, 11)/)
74
75	namelist /limit_nml/extrap
76
77	!--------------------
78
79	print *, "Call sequence information: limit"
80
81	print *, "Enter namelist 'limit_nml'."
82	read (unit=*, nml=limit_nml)
83	write(unit_nml, nml=limit_nml)
84
85	PRINT *, 'Processing rugosity...'
86
87	call NF95_OPEN('Rugos.nc', NF90_NOWRITE, ncid)
88
89	! Read coordinate variables:
90
91	call nf95_inq_varid(ncid, "longitude", varid)
92	call nf95_gw_var(ncid, varid, dlon_ini)
93	imdep = size(dlon_ini)
94
95	call nf95_inq_varid(ncid, "latitude", varid)
96	call nf95_gw_var(ncid, varid, dlat_ini)
97	jmdep = size(dlat_ini)
98
99	call nf95_inq_varid(ncid, "temps", varid)
100	call nf95_gw_var(ncid, varid, timeyear)
101	lmdep = size(timeyear)
102
103	ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
104	allocate(dlon(imdep), dlat(jmdep))
105	call NF95_INQ_VARID(ncid, 'RUGOS', varid)
106
107	! Read the primary variable day by day and regrid horizontally,
108	! result in "champtime":
109	DO l = 1, lmdep
110	ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
111	call handle_err("NF90_GET_VAR", ierr)
112
113	CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
114	CALL inter_barxy(dlon, dlat(:jmdep -1), LOG(champ), rlonu(:iim), &
115	rlatv, champtime(:, :, l))
116	champtime(:, :, l) = EXP(champtime(:, :, l))
117	where (nint(mask(:iim, :)) /= 1) champtime(:, :, l) = 0.001
118	end do
119
120	call NF95_CLOSE(ncid)
121
122	DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini)
123	allocate(yder(lmdep))
124
125	! Interpolate monthly values to daily values, at each horizontal position:
126	DO j = 1, jjm + 1
127	DO i = 1, iim
128	yder = SPLINE(timeyear, champtime(i, j, :))
129	DO k = 1, 360
130	champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, &
131	real(k-1))
132	ENDDO
133	ENDDO
134	ENDDO
135
136	deallocate(timeyear, champtime, yder)
137	champan(iim + 1, :, :) = champan(1, :, :)
138	forall (k = 1:360) phy_rug(:, k) = pack(champan(:, :, k), dyn_phy)
139
140	! Process sea ice:
141
142	PRINT *, 'Processing sea ice...'
143	call NF95_OPEN('amipbc_sic_1x1.nc', NF90_NOWRITE, ncid)
144
145	call nf95_inq_varid(ncid, "longitude", varid)
146	call nf95_gw_var(ncid, varid, dlon_ini)
147	imdep = size(dlon_ini)
148
149	call nf95_inq_varid(ncid, "latitude", varid)
150	call nf95_gw_var(ncid, varid, dlat_ini)
151	jmdep = size(dlat_ini)
152
153	call nf95_inq_dimid(ncid, "time", dimid)
154	call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep)
155	print *, 'lmdep = ', lmdep
156	! Coordonnée temporelle fichiers AMIP pas en jours. Ici on suppose
157	! qu'on a 12 mois (de 30 jours).
158	IF (lmdep /= 12) then
159	print *, 'Unknown AMIP file: not 12 months?'
160	STOP 1
161	end IF
162
163	ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
164	ALLOCATE (dlon(imdep), dlat(jmdep))
165	call NF95_INQ_VARID(ncid, 'sicbcs', varid)
166	DO l = 1, lmdep
167	ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
168	call handle_err("NF90_GET_VAR", ierr)
169
170	CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
171	CALL inter_barxy (dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, &
172	champtime(:, :, l))
173	ENDDO
174
175	call NF95_CLOSE(ncid)
176
177	DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini)
178	PRINT *, 'Interpolation temporelle'
179	allocate(yder(lmdep))
180
181	DO j = 1, jjm + 1
182	DO i = 1, iim
183	yder = SPLINE(tmidmonth, champtime(i, j, :))
184	DO k = 1, 360
185	champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, &
186	real(k-1))
187	ENDDO
188	ENDDO
189	ENDDO
190
191	deallocate(champtime, yder)
192
193	! Convert from percentage to normal fraction and keep sea ice
194	! between 0 and 1:
195	champan(:iim, :, :) = max(0., (min(1., (champan(:iim, :, :) / 100.))))
196	champan(iim + 1, :, :) = champan(1, :, :)
197
198	DO k = 1, 360
199	phy_ice = pack(champan(:, :, k), dyn_phy)
200
201	! (utilisation de la sous-maille fractionnelle tandis que l'ancien
202	! codage utilisait l'indicateur du sol (0, 1, 2, 3))
203	! PB en attendant de mettre fraction de terre
204	WHERE (phy_ice < EPSFRA) phy_ice = 0.
205
206	pctsrf_t(:, is_ter, k) = pctsrf(:, is_ter)
207	pctsrf_t(:, is_lic, k) = pctsrf(:, is_lic)
208	pctsrf_t(:, is_sic, k) = max(phy_ice - pctsrf_t(:, is_lic, k), 0.)
209	! Il y a des cas où il y a de la glace dans landiceref et
210	! pas dans AMIP
211	WHERE (1. - zmasq < EPSFRA)
212	pctsrf_t(:, is_sic, k) = 0.
213	pctsrf_t(:, is_oce, k) = 0.
214	elsewhere
215	where (pctsrf_t(:, is_sic, k) >= 1 - zmasq)
216	pctsrf_t(:, is_sic, k) = 1. - zmasq
217	pctsrf_t(:, is_oce, k) = 0.
218	ELSEwhere
219	pctsrf_t(:, is_oce, k) = 1. - zmasq - pctsrf_t(:, is_sic, k)
220	where (pctsrf_t(:, is_oce, k) < EPSFRA)
221	pctsrf_t(:, is_oce, k) = 0.
222	pctsrf_t(:, is_sic, k) = 1 - zmasq
223	end where
224	end where
225	end where
226
227	DO i = 1, klon
228	if (pctsrf_t(i, is_oce, k) < 0.) then
229	print *, 'Problème sous maille : pctsrf_t(', i, &
230	', is_oce, ', k, ') = ', pctsrf_t(i, is_oce, k)
231	ENDIF
232	IF (abs(pctsrf_t(i, is_ter, k) + pctsrf_t(i, is_lic, k) &
233	+ pctsrf_t(i, is_oce, k) + pctsrf_t(i, is_sic, k) - 1.) &
234	> EPSFRA) THEN
235	print *, 'Problème sous surface :'
236	print *, "pctsrf_t(", i, ", :, ", k, ") = ", &
237	pctsrf_t(i, :, k)
238	print *, "phy_ice(", i, ") = ", phy_ice(i)
239	ENDIF
240	END DO
241	ENDDO
242
243	PRINT *, 'Traitement de la sst'
244	call NF95_OPEN('amipbc_sst_1x1.nc', NF90_NOWRITE, ncid)
245
246	call nf95_inq_varid(ncid, "longitude", varid)
247	call nf95_gw_var(ncid, varid, dlon_ini)
248	imdep = size(dlon_ini)
249
250	call nf95_inq_varid(ncid, "latitude", varid)
251	call nf95_gw_var(ncid, varid, dlat_ini)
252	jmdep = size(dlat_ini)
253
254	call nf95_inq_dimid(ncid, "time", dimid)
255	call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep)
256	print *, 'lmdep = ', lmdep
257	!PM28/02/2002 : nouvelle coord temporelle fichiers AMIP pas en jours
258	! Ici on suppose qu'on a 12 mois (de 30 jours).
259	IF (lmdep /= 12) stop 'Unknown AMIP file: not 12 months?'
260
261	ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
262	IF(extrap) THEN
263	ALLOCATE (work(imdep, jmdep))
264	ENDIF
265	ALLOCATE(dlon(imdep), dlat(jmdep))
266	call NF95_INQ_VARID(ncid, 'tosbcs', varid)
267
268	DO l = 1, lmdep
269	ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
270	call handle_err("NF90_GET_VAR", ierr)
271
272	CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
273	IF (extrap) THEN
274	CALL extrapol(champ, imdep, jmdep, 999999., .TRUE., .TRUE., 2, work)
275	ENDIF
276
277	CALL inter_barxy (dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, &
278	champtime(:, :, l))
279	ENDDO
280
281	call NF95_CLOSE(ncid)
282
283	DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini)
284	allocate(yder(lmdep))
285
286	! interpolation temporelle
287	DO j = 1, jjm + 1
288	DO i = 1, iim
289	yder = SPLINE(tmidmonth, champtime(i, j, :))
290	DO k = 1, 360
291	champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, &
292	real(k-1))
293	ENDDO
294	ENDDO
295	ENDDO
296
297	deallocate(champtime, yder)
298	champan(iim + 1, :, :) = champan(1, :, :)
299
300	!IM14/03/2002 : SST amipbc greater then 271.38
301	PRINT *, 'SUB. limit_netcdf.F IM : SST Amipbc >= 271.38 '
302	DO k = 1, 360
303	DO j = 1, jjm + 1
304	DO i = 1, iim
305	champan(i, j, k) = amax1(champan(i, j, k), 271.38)
306	ENDDO
307	champan(iim + 1, j, k) = champan(1, j, k)
308	ENDDO
309	ENDDO
310	forall (k = 1:360) phy_sst(:, k) = pack(champan(:, :, k), dyn_phy)
311
312	PRINT *, 'Traitement de l albedo'
313	call NF95_OPEN('Albedo.nc', NF90_NOWRITE, ncid)
314
315	call nf95_inq_varid(ncid, "longitude", varid)
316	call nf95_gw_var(ncid, varid, dlon_ini)
317	imdep = size(dlon_ini)
318
319	call nf95_inq_varid(ncid, "latitude", varid)
320	call nf95_gw_var(ncid, varid, dlat_ini)
321	jmdep = size(dlat_ini)
322
323	call nf95_inq_varid(ncid, "temps", varid)
324	call nf95_gw_var(ncid, varid, timeyear)
325	lmdep = size(timeyear)
326
327	ALLOCATE (champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
328	ALLOCATE (dlon(imdep), dlat(jmdep))
329	call NF95_INQ_VARID(ncid, 'ALBEDO', varid)
330
331	DO l = 1, lmdep
332	PRINT *, 'Lecture temporelle et int. horizontale ', l, timeyear(l)
333	ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
334	call handle_err("NF90_GET_VAR", ierr)
335
336	CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
337	CALL inter_barxy(dlon, dlat(:jmdep-1), champ, rlonu(:iim), rlatv, &
338	champtime(:, :, l))
339	ENDDO
340
341	call NF95_CLOSE(ncid)
342
343	deallocate(dlon_ini, dlat_ini)
344	allocate(yder(lmdep))
345
346	! interpolation temporelle
347	DO j = 1, jjm + 1
348	DO i = 1, iim
349	yder = SPLINE(timeyear, champtime(i, j, :))
350	DO k = 1, 360
351	champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, &
352	real(k-1))
353	ENDDO
354	ENDDO
355	ENDDO
356	deallocate(timeyear)
357
358	champan(iim + 1, :, :) = champan(1, :, :)
359	forall (k = 1:360) phy_alb(:, k) = pack(champan(:, :, k), dyn_phy)
360
361	DO k = 1, 360
362	DO i = 1, klon
363	phy_bil(i, k) = 0.0
364	ENDDO
365	ENDDO
366
367	PRINT *, 'Ecriture du fichier limit'
368
369	call NF95_CREATE("limit.nc", NF90_CLOBBER, nid)
370
371	ierr = NF90_PUT_ATT(nid, NF90_GLOBAL, "title", &
372	"Fichier conditions aux limites")
373	call NF95_DEF_DIM (nid, "points_physiques", klon, ndim)
374	call NF95_DEF_DIM (nid, "time", NF90_UNLIMITED, ntim)
375
376	dims(1) = ndim
377	dims(2) = ntim
378
379	ierr = NF90_DEF_VAR (nid, "TEMPS", NF90_FLOAT, ntim, id_tim)
380	ierr = NF90_PUT_ATT (nid, id_tim, "title", "Jour dans l annee")
381	ierr = NF90_DEF_VAR (nid, "FOCE", NF90_FLOAT, dims, id_FOCE)
382	ierr = NF90_PUT_ATT (nid, id_FOCE, "title", "Fraction ocean")
383
384	ierr = NF90_DEF_VAR (nid, "FSIC", NF90_FLOAT, dims, id_FSIC)
385	ierr = NF90_PUT_ATT (nid, id_FSIC, "title", "Fraction glace de mer")
386
387	ierr = NF90_DEF_VAR (nid, "FTER", NF90_FLOAT, dims, id_FTER)
388	ierr = NF90_PUT_ATT (nid, id_FTER, "title", "Fraction terre")
389
390	ierr = NF90_DEF_VAR (nid, "FLIC", NF90_FLOAT, dims, id_FLIC)
391	ierr = NF90_PUT_ATT (nid, id_FLIC, "title", "Fraction land ice")
392
393	ierr = NF90_DEF_VAR (nid, "SST", NF90_FLOAT, dims, id_SST)
394	ierr = NF90_PUT_ATT (nid, id_SST, "title", &
395	"Temperature superficielle de la mer")
396	ierr = NF90_DEF_VAR (nid, "BILS", NF90_FLOAT, dims, id_BILS)
397	ierr = NF90_PUT_ATT (nid, id_BILS, "title", &
398	"Reference flux de chaleur au sol")
399	ierr = NF90_DEF_VAR (nid, "ALB", NF90_FLOAT, dims, id_ALB)
400	ierr = NF90_PUT_ATT (nid, id_ALB, "title", "Albedo a la surface")
401	ierr = NF90_DEF_VAR (nid, "RUG", NF90_FLOAT, dims, id_RUG)
402	ierr = NF90_PUT_ATT (nid, id_RUG, "title", "Rugosite")
403
404	call NF95_ENDDEF(nid)
405
406	DO k = 1, 360
407	debut(1) = 1
408	debut(2) = k
409
410	ierr = NF90_PUT_VAR(nid, id_tim, REAL(k), (/k/))
411	ierr = NF90_PUT_VAR(nid, id_FOCE, pctsrf_t(:, is_oce, k), debut)
412	ierr = NF90_PUT_VAR (nid, id_FSIC, pctsrf_t(:, is_sic, k), debut)
413	ierr = NF90_PUT_VAR (nid, id_FTER, pctsrf_t(:, is_ter, k), debut)
414	ierr = NF90_PUT_VAR (nid, id_FLIC, pctsrf_t(:, is_lic, k), debut)
415	ierr = NF90_PUT_VAR (nid, id_SST, phy_sst(:, k), debut)
416	ierr = NF90_PUT_VAR (nid, id_BILS, phy_bil(:, k), debut)
417	ierr = NF90_PUT_VAR (nid, id_ALB, phy_alb(:, k), debut)
418	ierr = NF90_PUT_VAR (nid, id_RUG, phy_rug(:, k), debut)
419	ENDDO
420
421	call NF95_CLOSE(nid)
422
423	END SUBROUTINE limit
424
425	end module limit_mod