trunk/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 nr_util, only: assert
    use numer_rec_95, only: spline, splint
    use start_init_orog_m, only: mask
    use unit_nml_m, only: unit_nml

    ! Local:

    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
    ! Ici on suppose qu'on a 12 mois (de 30 jours).
    call assert(lmdep == 12, 'limit: AMIP file does not contain 12 months')

    ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
    IF (extrap) ALLOCATE(work(imdep, jmdep))
    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) &
            CALL extrapol(champ, imdep, jmdep, 999999., .TRUE., .TRUE., 2, work)
       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 *, 'limit: SST Amipbc >= 271.38 '

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