trunk/dyn3d/etat0.f90

module etat0_m

  IMPLICIT NONE

contains

  SUBROUTINE etat0(phis, pctsrf)

    ! From "etat0_netcdf.F", version 1.3, 2005/05/25 13:10:09

    use caldyn0_m, only: caldyn0
    use comconst, only: cpp, kappa, iniconst
    use comgeom, only: aire_2d, apoln, apols, cu_2d, cv_2d, inigeom
    use conf_gcm_m, only: nday
    use dimensions, only: iim, jjm, llm, nqmx
    use dimphy, only: klon
    use dimsoil, only: nsoilmx
    use disvert_m, only: ap, bp, preff, pa, disvert
    use dynetat0_m, only: day_ref, annee_ref, rlatu, rlatv, rlonu, rlonv, &
         fyhyp, fxhyp
    use dynredem0_m, only: dynredem0
    use dynredem1_m, only: dynredem1
    use exner_hyb_m, only: exner_hyb
    use geopot_m, only: geopot
    use grille_m_m, only: grille_m
    use grid_change, only: init_dyn_phy, dyn_phy
    use indicesol, only: is_oce, is_sic, is_ter, is_lic, epsfra, nbsrf
    use iniadvtrac_m, only: iniadvtrac
    use inifilr_m, only: inifilr
    use massdair_m, only: massdair
    use netcdf, only: nf90_nowrite
    use netcdf95, only: nf95_close, nf95_get_var, nf95_gw_var, nf95_put_var, &
         nf95_inq_varid, nf95_open
    use nr_util, only: pi, assert
    use phyetat0_m, only: zmasq, phyetat0_new
    use phyredem0_m, only: phyredem0, ncid_restartphy
    use phyredem_m, only: phyredem
    use q_sat_m, only: q_sat
    use regr_lat_time_coefoz_m, only: regr_lat_time_coefoz
    use regr_pr_o3_m, only: regr_pr_o3
    use startdyn, only: start_init_dyn
    USE start_init_orog_m, only: start_init_orog
    use start_init_phys_m, only: start_init_phys
    use start_inter_3d_m, only: start_inter_3d
    use test_disvert_m, only: test_disvert
    use unit_nml_m, only: unit_nml

    REAL, intent(out):: phis(:, :) ! (iim + 1, jjm + 1)
    ! surface geopotential, in m2 s-2

    REAL, intent(out):: pctsrf(:, :) ! (klon, nbsrf)
    ! "pctsrf(i, :)" is the composition of the surface at horizontal
    ! position "i".

    ! Local:

    REAL, dimension(iim + 1, jjm + 1, llm):: ucov, t3d, teta
    REAL vcov(iim + 1, jjm, llm)

    REAL q(iim + 1, jjm + 1, llm, nqmx)
    ! (mass fractions of trace species
    ! "q(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)"
    ! and pressure level "pls(i, j, l)".)

    real qsat(iim + 1, jjm + 1, llm) ! mass fraction of saturating water vapor
    REAL qsolsrf(klon, nbsrf), snsrf(klon, nbsrf) 
    REAL albe(klon, nbsrf), evap(klon, nbsrf)
    REAL tsoil(klon, nsoilmx, nbsrf) 
    REAL null_array(klon)
    REAL solsw(klon), sollw(klon)
    !IM "slab" ocean
    REAL frugs(klon, nbsrf), agesno(klon, nbsrf)
    REAL rugmer(klon)
    real, dimension(iim + 1, jjm + 1):: zmea_2d, zstd_2d, zsig_2d, zgam_2d
    real, dimension(iim + 1, jjm + 1):: zthe_2d, zpic_2d, zval_2d
    real, dimension(iim + 1, jjm + 1):: tsol_2d, qsol_2d, ps
    REAL zmea(klon), zstd(klon)
    REAL zsig(klon), zgam(klon)
    REAL zthe(klon)
    REAL zpic(klon), zval(klon)
    REAL t_ancien(klon, llm), q_ancien(klon, llm)
    real clwcon(klon, llm), rnebcon(klon, llm), ratqs(klon, llm)

    ! D\'eclarations pour lecture glace de mer :
    INTEGER iml_lic, jml_lic
    INTEGER ncid, varid
    REAL, ALLOCATABLE:: dlon_lic(:), dlat_lic(:)
    REAL, ALLOCATABLE:: fraclic(:, :) ! fraction land ice
    REAL flic_tmp(iim + 1, jjm + 1) ! fraction land ice temporary

    INTEGER l, ji

    REAL pk(iim + 1, jjm + 1, llm) ! fonction d'Exner aux milieux des couches 
    real pks(iim + 1, jjm + 1)
    REAL masse(iim + 1, jjm + 1, llm)
    REAL phi(iim + 1, jjm + 1, llm)
    real sig1(klon, llm) ! section adiabatic updraft
    real w01(klon, llm) ! vertical velocity within adiabatic updraft

    real pls(iim + 1, jjm + 1, llm)
    ! (pressure at mid-layer of LMDZ grid, in Pa)
    ! "pls(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)",
    ! for layer "l")

    REAL p3d(iim + 1, jjm + 1, llm+1) ! pressure at layer interfaces, in Pa
    ! ("p3d(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)",
    ! for interface "l")

    namelist /etat0_nml/ day_ref, annee_ref

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

    print *, "Call sequence information: etat0"

    print *, "Enter namelist 'etat0_nml'."
    read(unit=*, nml=etat0_nml)
    write(unit_nml, nml=etat0_nml)

    CALL iniconst

    ! Construct a grid:

    pa = 5e4
    CALL disvert
    call test_disvert
    CALL fyhyp
    CALL fxhyp
    CALL inigeom
    CALL inifilr
    call start_init_orog(phis, zmea_2d, zstd_2d, zsig_2d, zgam_2d, zthe_2d, &
         zpic_2d, zval_2d) ! also compute "mask"
    call init_dyn_phy ! define the mask "dyn_phy" for distinct grid points
    call phyetat0_new

    call start_init_phys(tsol_2d, qsol_2d)
    CALL start_init_dyn(tsol_2d, phis, ps)

    ! Compute pressure on intermediate levels:
    forall(l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
    CALL exner_hyb(ps, p3d, pks, pk)
    call assert(MINVAL(pk) /= MAXVAL(pk), '"pk" should not be constant')

    pls = preff * (pk / cpp)**(1. / kappa)
    PRINT *, "minval(pls) = ", minval(pls)
    print *, "maxval(pls) = ", maxval(pls)

    call start_inter_3d('U', rlonv, rlatv, pls, ucov)
    forall (l = 1: llm) ucov(:iim, :, l) = ucov(:iim, :, l) * cu_2d(:iim, :)
    ucov(iim+1, :, :) = ucov(1, :, :)

    call start_inter_3d('V', rlonu, rlatu(:jjm), pls(:, :jjm, :), vcov)
    forall (l = 1: llm) vcov(:iim, :, l) = vcov(:iim, :, l) * cv_2d(:iim, :)
    vcov(iim + 1, :, :) = vcov(1, :, :)

    call start_inter_3d('TEMP', rlonu, rlatv, pls, t3d)
    PRINT *, 'minval(t3d) = ', minval(t3d)
    print *, "maxval(t3d) = ", maxval(t3d)

    teta(:iim, :, :) = t3d(:iim, :, :) * cpp / pk(:iim, :, :)
    teta(iim + 1, :, :) = teta(1, :, :)
    DO l = 1, llm
       teta(:, 1, l) = SUM(aire_2d(:, 1) * teta(:, 1, l)) / apoln
       teta(:, jjm + 1, l) = SUM(aire_2d(:, jjm + 1) * teta(:, jjm + 1, l)) &
            / apols
    ENDDO

    ! Calcul de l'humidit\'e \`a saturation :
    qsat = q_sat(t3d, pls)
    PRINT *, "minval(qsat) = ", minval(qsat)
    print *, "maxval(qsat) = ", maxval(qsat)
    IF (MINVAL(qsat) == MAXVAL(qsat)) stop '"qsat" should not be constant'

    ! Water vapor:
    call start_inter_3d('R', rlonu, rlatv, pls, q(:, :, :, 1))
    q(:, :, :, 1) = 0.01 * q(:, :, :, 1) * qsat
    WHERE (q(:, :, :, 1) < 0.) q(:, :, :, 1) = 1E-10
    DO l = 1, llm
       q(:, 1, l, 1) = SUM(aire_2d(:, 1) * q(:, 1, l, 1)) / apoln
       q(:, jjm + 1, l, 1) &
            = SUM(aire_2d(:, jjm + 1) * q(:, jjm + 1, l, 1)) / apols
    ENDDO

    q(:, :, :, 2:4) = 0. ! liquid water, radon and lead

    if (nqmx >= 5) then
       ! Ozone:
       call regr_lat_time_coefoz
       call regr_pr_o3(p3d, q(:, :, :, 5))
       ! Convert from mole fraction to mass fraction:
       q(:, :, :, 5) = q(:, :, :, 5) * 48. / 29.
    end if

    null_array = 0.
    rugmer = 0.001
    zmea = pack(zmea_2d, dyn_phy)
    zstd = pack(zstd_2d, dyn_phy)
    zsig = pack(zsig_2d, dyn_phy)
    zgam = pack(zgam_2d, dyn_phy)
    zthe = pack(zthe_2d, dyn_phy)
    zpic = pack(zpic_2d, dyn_phy)
    zval = pack(zval_2d, dyn_phy)

    ! On initialise les sous-surfaces.
    ! Lecture du fichier glace de terre pour fixer la fraction de terre 
    ! et de glace de terre :

    call nf95_open("landiceref.nc", nf90_nowrite, ncid)

    call nf95_inq_varid(ncid, 'longitude', varid)
    call nf95_gw_var(ncid, varid, dlon_lic)
    iml_lic = size(dlon_lic)

    call nf95_inq_varid(ncid, 'latitude', varid)
    call nf95_gw_var(ncid, varid, dlat_lic)
    jml_lic = size(dlat_lic)

    call nf95_inq_varid(ncid, 'landice', varid)
    ALLOCATE(fraclic(iml_lic, jml_lic))
    call nf95_get_var(ncid, varid, fraclic)

    call nf95_close(ncid)

    ! Interpolation sur la grille T du mod\`ele :
    PRINT *, 'Dimensions de "landiceref.nc"'
    print *, "iml_lic = ", iml_lic
    print *, "jml_lic = ", jml_lic

    ! Si les coordonn\'ees sont en degr\'es, on les transforme :
    IF (MAXVAL(dlon_lic) > pi) THEN
       dlon_lic = dlon_lic * pi / 180.
    ENDIF
    IF (maxval(dlat_lic) > pi) THEN 
       dlat_lic = dlat_lic * pi/ 180.
    ENDIF

    flic_tmp(:iim, :) = grille_m(dlon_lic, dlat_lic, fraclic, rlonv(:iim), &
         rlatu)
    flic_tmp(iim + 1, :) = flic_tmp(1, :)

    ! Passage sur la grille physique :
    pctsrf = 0.
    pctsrf(:, is_lic) = pack(flic_tmp, dyn_phy)
    
    ! Ad\'equation avec le maque terre/mer :
    WHERE (pctsrf(:, is_lic) < EPSFRA) pctsrf(:, is_lic) = 0.
    WHERE (zmasq < EPSFRA) pctsrf(:, is_lic) = 0.
    where (zmasq <= EPSFRA) pctsrf(:, is_ter) = zmasq
    where (zmasq > EPSFRA)
       where (pctsrf(:, is_lic) >= zmasq)
          pctsrf(:, is_lic) = zmasq
          pctsrf(:, is_ter) = 0.
       elsewhere
          pctsrf(:, is_ter) = zmasq - pctsrf(:, is_lic)
          where (pctsrf(:, is_ter) < EPSFRA)
             pctsrf(:, is_ter) = 0.
             pctsrf(:, is_lic) = zmasq
          end where
       end where
    end where

    ! Sous-surface oc\'ean et glace de mer (pour d\'emarrer on met glace
    ! de mer \`a 0) :
    pctsrf(:, is_oce) = 1. - zmasq
    WHERE (pctsrf(:, is_oce) < EPSFRA) pctsrf(:, is_oce) = 0.

    ! V\'erification que la somme des sous-surfaces vaut 1 :
    ji = count(abs(sum(pctsrf, dim = 2) - 1.) > EPSFRA)
    IF (ji /= 0) then
       PRINT *, 'Bad surface percentages for ', ji, 'points'
    end IF

    ! Calcul interm\'ediaire :
    CALL massdair(p3d, masse)

    forall (l = 1:llm)
       masse(:, 1, l) = SUM(aire_2d(:iim, 1) * masse(:iim, 1, l)) / apoln
       masse(:, jjm + 1, l) = &
            SUM(aire_2d(:iim, jjm + 1) * masse(:iim, jjm + 1, l)) / apols
    END forall

    call iniadvtrac
    CALL geopot(teta, pk , pks, phis, phi)
    CALL caldyn0(ucov, vcov, teta, ps, pk, phis, phi)
    CALL dynredem0(day_ref, phis)
    CALL dynredem1(vcov, ucov, teta, q, masse, ps, itau = 0)

    ! Initialisations :
    snsrf = 0.
    albe(:, is_ter) = 0.08
    albe(:, is_lic) = 0.6
    albe(:, is_oce) = 0.5
    albe(:, is_sic) = 0.6
    evap = 0.
    qsolsrf = 150.
    tsoil = spread(spread(pack(tsol_2d, dyn_phy), 2, nsoilmx), 3, nbsrf)
    solsw = 165.
    sollw = -53.
    t_ancien = 273.15
    q_ancien = 0.
    agesno = 0.

    frugs(:, is_oce) = rugmer
    frugs(:, is_ter) = MAX(1e-5, zstd * zsig / 2)
    frugs(:, is_lic) = MAX(1e-5, zstd * zsig / 2)
    frugs(:, is_sic) = 0.001
    clwcon = 0.
    rnebcon = 0.
    ratqs = 0.
    sig1 = 0.
    w01 = 0.

    nday = 0
    call phyredem0

    call nf95_inq_varid(ncid_restartphy, "trs", varid)
    call nf95_put_var(ncid_restartphy, varid, null_array)

    call phyredem(pctsrf, tsoil(:, 1, :), tsoil, qsolsrf, &
         pack(qsol_2d, dyn_phy), snsrf, albe, evap, null_array, null_array, &
         solsw, sollw, null_array, null_array, frugs, agesno, zmea, zstd, &
         zsig, zgam, zthe, zpic, zval, t_ancien, q_ancien, rnebcon, ratqs, &
         clwcon, null_array, sig1, w01)

  END SUBROUTINE etat0

end module etat0_m
1	guez	276	module etat0_m
2	guez	3
3			IMPLICIT NONE
4
5			contains
6
7	guez	276	SUBROUTINE etat0(phis, pctsrf)
8	guez	3
9	guez	90	! From "etat0_netcdf.F", version 1.3, 2005/05/25 13:10:09
10	guez	3
11	guez	27	use caldyn0_m, only: caldyn0
12	guez	79	use comconst, only: cpp, kappa, iniconst
13	guez	139	use comgeom, only: aire_2d, apoln, apols, cu_2d, cv_2d, inigeom
14	guez	207	use conf_gcm_m, only: nday
15	guez	265	use dimensions, only: iim, jjm, llm, nqmx
16	guez	276	use dimphy, only: klon
17	guez	3	use dimsoil, only: nsoilmx
18	guez	79	use disvert_m, only: ap, bp, preff, pa, disvert
19	guez	277	use dynetat0_m, only: day_ref, annee_ref, rlatu, rlatv, rlonu, rlonv, &
20			fyhyp, fxhyp
21	guez	27	use dynredem0_m, only: dynredem0
22			use dynredem1_m, only: dynredem1
23			use exner_hyb_m, only: exner_hyb
24	guez	43	use geopot_m, only: geopot
25	guez	212	use grille_m_m, only: grille_m
26	guez	3	use grid_change, only: init_dyn_phy, dyn_phy
27	guez	276	use indicesol, only: is_oce, is_sic, is_ter, is_lic, epsfra, nbsrf
28	guez	18	use iniadvtrac_m, only: iniadvtrac
29	guez	54	use inifilr_m, only: inifilr
30	guez	67	use massdair_m, only: massdair
31	guez	48	use netcdf, only: nf90_nowrite
32	guez	157	use netcdf95, only: nf95_close, nf95_get_var, nf95_gw_var, nf95_put_var, &
33	guez	68	nf95_inq_varid, nf95_open
34	guez	90	use nr_util, only: pi, assert
35	guez	278	use phyetat0_m, only: zmasq, phyetat0_new
36	guez	157	use phyredem0_m, only: phyredem0, ncid_restartphy
37	guez	27	use phyredem_m, only: phyredem
38			use q_sat_m, only: q_sat
39	guez	7	use regr_lat_time_coefoz_m, only: regr_lat_time_coefoz
40			use regr_pr_o3_m, only: regr_pr_o3
41	guez	68	use startdyn, only: start_init_dyn
42	guez	278	USE start_init_orog_m, only: start_init_orog
43	guez	43	use start_init_phys_m, only: start_init_phys
44	guez	54	use start_inter_3d_m, only: start_inter_3d
45	guez	99	use test_disvert_m, only: test_disvert
46	guez	129	use unit_nml_m, only: unit_nml
47	guez	3
48	guez	107	REAL, intent(out):: phis(:, :) ! (iim + 1, jjm + 1)
49			! surface geopotential, in m2 s-2
50	guez	3
51	guez	276	REAL, intent(out):: pctsrf(:, :) ! (klon, nbsrf)
52			! "pctsrf(i, :)" is the composition of the surface at horizontal
53			! position "i".
54
55	guez	107	! Local:
56
57	guez	73	REAL, dimension(iim + 1, jjm + 1, llm):: ucov, t3d, teta
58	guez	65	REAL vcov(iim + 1, jjm, llm)
59	guez	3
60	guez	68	REAL q(iim + 1, jjm + 1, llm, nqmx)
61	guez	3	! (mass fractions of trace species
62	guez	68	! "q(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)"
63	guez	3	! and pressure level "pls(i, j, l)".)
64
65			real qsat(iim + 1, jjm + 1, llm) ! mass fraction of saturating water vapor
66	guez	99	REAL qsolsrf(klon, nbsrf), snsrf(klon, nbsrf)
67	guez	3	REAL albe(klon, nbsrf), evap(klon, nbsrf)
68			REAL tsoil(klon, nsoilmx, nbsrf)
69	guez	157	REAL null_array(klon)
70			REAL solsw(klon), sollw(klon)
71	guez	3	!IM "slab" ocean
72			REAL frugs(klon, nbsrf), agesno(klon, nbsrf)
73			REAL rugmer(klon)
74	guez	78	real, dimension(iim + 1, jjm + 1):: zmea_2d, zstd_2d, zsig_2d, zgam_2d
75	guez	3	real, dimension(iim + 1, jjm + 1):: zthe_2d, zpic_2d, zval_2d
76	guez	73	real, dimension(iim + 1, jjm + 1):: tsol_2d, qsol_2d, ps
77	guez	3	REAL zmea(klon), zstd(klon)
78			REAL zsig(klon), zgam(klon)
79			REAL zthe(klon)
80			REAL zpic(klon), zval(klon)
81	guez	78	REAL t_ancien(klon, llm), q_ancien(klon, llm)
82	guez	3	real clwcon(klon, llm), rnebcon(klon, llm), ratqs(klon, llm)
83	guez	68
84	guez	90	! D\'eclarations pour lecture glace de mer :
85	guez	68	INTEGER iml_lic, jml_lic
86			INTEGER ncid, varid
87	guez	225	REAL, ALLOCATABLE:: dlon_lic(:), dlat_lic(:)
88	guez	3	REAL, ALLOCATABLE:: fraclic(:, :) ! fraction land ice
89	guez	68	REAL flic_tmp(iim + 1, jjm + 1) ! fraction land ice temporary
90	guez	3
91			INTEGER l, ji
92
93			REAL pk(iim + 1, jjm + 1, llm) ! fonction d'Exner aux milieux des couches
94			real pks(iim + 1, jjm + 1)
95			REAL masse(iim + 1, jjm + 1, llm)
96	guez	70	REAL phi(iim + 1, jjm + 1, llm)
97	guez	72	real sig1(klon, llm) ! section adiabatic updraft
98			real w01(klon, llm) ! vertical velocity within adiabatic updraft
99
100	guez	97	real pls(iim + 1, jjm + 1, llm)
101			! (pressure at mid-layer of LMDZ grid, in Pa)
102			! "pls(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)",
103			! for layer "l")
104
105			REAL p3d(iim + 1, jjm + 1, llm+1) ! pressure at layer interfaces, in Pa
106			! ("p3d(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)",
107			! for interface "l")
108
109	guez	129	namelist /etat0_nml/ day_ref, annee_ref
110
111	guez	3	!---------------------------------
112
113			print *, "Call sequence information: etat0"
114
115	guez	129	print *, "Enter namelist 'etat0_nml'."
116			read(unit=*, nml=etat0_nml)
117			write(unit_nml, nml=etat0_nml)
118
119	guez	79	CALL iniconst
120	guez	3
121	guez	36	! Construct a grid:
122
123	guez	3	pa = 5e4
124	guez	79	CALL disvert
125	guez	99	call test_disvert
126	guez	277	CALL fyhyp
127			CALL fxhyp
128	guez	3	CALL inigeom
129			CALL inifilr
130	guez	78	call start_init_orog(phis, zmea_2d, zstd_2d, zsig_2d, zgam_2d, zthe_2d, &
131			zpic_2d, zval_2d) ! also compute "mask"
132	guez	3	call init_dyn_phy ! define the mask "dyn_phy" for distinct grid points
133	guez	278	call phyetat0_new
134	guez	3
135	guez	43	call start_init_phys(tsol_2d, qsol_2d)
136	guez	78	CALL start_init_dyn(tsol_2d, phis, ps)
137	guez	3
138			! Compute pressure on intermediate levels:
139	guez	73	forall(l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
140			CALL exner_hyb(ps, p3d, pks, pk)
141	guez	90	call assert(MINVAL(pk) /= MAXVAL(pk), '"pk" should not be constant')
142	guez	3
143	guez	36	pls = preff * (pk / cpp)**(1. / kappa)
144			PRINT *, "minval(pls) = ", minval(pls)
145			print *, "maxval(pls) = ", maxval(pls)
146	guez	3
147	guez	65	call start_inter_3d('U', rlonv, rlatv, pls, ucov)
148			forall (l = 1: llm) ucov(:iim, :, l) = ucov(:iim, :, l) * cu_2d(:iim, :)
149			ucov(iim+1, :, :) = ucov(1, :, :)
150	guez	3
151	guez	65	call start_inter_3d('V', rlonu, rlatu(:jjm), pls(:, :jjm, :), vcov)
152			forall (l = 1: llm) vcov(:iim, :, l) = vcov(:iim, :, l) * cv_2d(:iim, :)
153			vcov(iim + 1, :, :) = vcov(1, :, :)
154	guez	3
155	guez	23	call start_inter_3d('TEMP', rlonu, rlatv, pls, t3d)
156	guez	78	PRINT *, 'minval(t3d) = ', minval(t3d)
157	guez	36	print *, "maxval(t3d) = ", maxval(t3d)
158	guez	3
159	guez	73	teta(:iim, :, :) = t3d(:iim, :, :) * cpp / pk(:iim, :, :)
160			teta(iim + 1, :, :) = teta(1, :, :)
161			DO l = 1, llm
162			teta(:, 1, l) = SUM(aire_2d(:, 1) * teta(:, 1, l)) / apoln
163			teta(:, jjm + 1, l) = SUM(aire_2d(:, jjm + 1) * teta(:, jjm + 1, l)) &
164	guez	3	/ apols
165			ENDDO
166
167	guez	90	! Calcul de l'humidit\'e \`a saturation :
168	guez	36	qsat = q_sat(t3d, pls)
169			PRINT *, "minval(qsat) = ", minval(qsat)
170			print *, "maxval(qsat) = ", maxval(qsat)
171	guez	3	IF (MINVAL(qsat) == MAXVAL(qsat)) stop '"qsat" should not be constant'
172
173			! Water vapor:
174	guez	68	call start_inter_3d('R', rlonu, rlatv, pls, q(:, :, :, 1))
175			q(:, :, :, 1) = 0.01 * q(:, :, :, 1) * qsat
176			WHERE (q(:, :, :, 1) < 0.) q(:, :, :, 1) = 1E-10
177	guez	3	DO l = 1, llm
178	guez	68	q(:, 1, l, 1) = SUM(aire_2d(:, 1) * q(:, 1, l, 1)) / apoln
179			q(:, jjm + 1, l, 1) &
180			= SUM(aire_2d(:, jjm + 1) * q(:, jjm + 1, l, 1)) / apols
181	guez	3	ENDDO
182
183	guez	68	q(:, :, :, 2:4) = 0. ! liquid water, radon and lead
184	guez	3
185	guez	5	if (nqmx >= 5) then
186			! Ozone:
187	guez	7	call regr_lat_time_coefoz
188	guez	97	call regr_pr_o3(p3d, q(:, :, :, 5))
189	guez	7	! Convert from mole fraction to mass fraction:
190	guez	78	q(:, :, :, 5) = q(:, :, :, 5) * 48. / 29.
191	guez	5	end if
192	guez	3
193	guez	157	null_array = 0.
194	guez	13	rugmer = 0.001
195	guez	78	zmea = pack(zmea_2d, dyn_phy)
196	guez	13	zstd = pack(zstd_2d, dyn_phy)
197			zsig = pack(zsig_2d, dyn_phy)
198			zgam = pack(zgam_2d, dyn_phy)
199			zthe = pack(zthe_2d, dyn_phy)
200			zpic = pack(zpic_2d, dyn_phy)
201			zval = pack(zval_2d, dyn_phy)
202	guez	3
203	guez	49	! On initialise les sous-surfaces.
204	guez	3	! Lecture du fichier glace de terre pour fixer la fraction de terre
205	guez	49	! et de glace de terre :
206	guez	68
207	guez	48	call nf95_open("landiceref.nc", nf90_nowrite, ncid)
208	guez	68
209			call nf95_inq_varid(ncid, 'longitude', varid)
210			call nf95_gw_var(ncid, varid, dlon_lic)
211			iml_lic = size(dlon_lic)
212
213			call nf95_inq_varid(ncid, 'latitude', varid)
214			call nf95_gw_var(ncid, varid, dlat_lic)
215			jml_lic = size(dlat_lic)
216
217	guez	48	call nf95_inq_varid(ncid, 'landice', varid)
218	guez	68	ALLOCATE(fraclic(iml_lic, jml_lic))
219	guez	48	call nf95_get_var(ncid, varid, fraclic)
220	guez	68
221	guez	48	call nf95_close(ncid)
222	guez	3
223	guez	90	! Interpolation sur la grille T du mod\`ele :
224	guez	68	PRINT *, 'Dimensions de "landiceref.nc"'
225	guez	3	print *, "iml_lic = ", iml_lic
226			print *, "jml_lic = ", jml_lic
227
228	guez	90	! Si les coordonn\'ees sont en degr\'es, on les transforme :
229	guez	78	IF (MAXVAL(dlon_lic) > pi) THEN
230	guez	68	dlon_lic = dlon_lic * pi / 180.
231	guez	3	ENDIF
232	guez	73	IF (maxval(dlat_lic) > pi) THEN
233	guez	68	dlat_lic = dlat_lic * pi/ 180.
234	guez	3	ENDIF
235
236			flic_tmp(:iim, :) = grille_m(dlon_lic, dlat_lic, fraclic, rlonv(:iim), &
237			rlatu)
238			flic_tmp(iim + 1, :) = flic_tmp(1, :)
239
240	guez	279	! Passage sur la grille physique :
241	guez	15	pctsrf = 0.
242	guez	3	pctsrf(:, is_lic) = pack(flic_tmp, dyn_phy)
243	guez	279
244			! Ad\'equation avec le maque terre/mer :
245	guez	73	WHERE (pctsrf(:, is_lic) < EPSFRA) pctsrf(:, is_lic) = 0.
246	guez	13	WHERE (zmasq < EPSFRA) pctsrf(:, is_lic) = 0.
247	guez	214	where (zmasq <= EPSFRA) pctsrf(:, is_ter) = zmasq
248	guez	13	where (zmasq > EPSFRA)
249			where (pctsrf(:, is_lic) >= zmasq)
250			pctsrf(:, is_lic) = zmasq
251	guez	3	pctsrf(:, is_ter) = 0.
252			elsewhere
253	guez	13	pctsrf(:, is_ter) = zmasq - pctsrf(:, is_lic)
254	guez	3	where (pctsrf(:, is_ter) < EPSFRA)
255			pctsrf(:, is_ter) = 0.
256	guez	13	pctsrf(:, is_lic) = zmasq
257	guez	3	end where
258			end where
259			end where
260
261	guez	90	! Sous-surface oc\'ean et glace de mer (pour d\'emarrer on met glace
262			! de mer \`a 0) :
263	guez	13	pctsrf(:, is_oce) = 1. - zmasq
264	guez	3	WHERE (pctsrf(:, is_oce) < EPSFRA) pctsrf(:, is_oce) = 0.
265
266	guez	163	! V\'erification que la somme des sous-surfaces vaut 1 :
267	guez	15	ji = count(abs(sum(pctsrf, dim = 2) - 1.) > EPSFRA)
268			IF (ji /= 0) then
269	guez	91	PRINT *, 'Bad surface percentages for ', ji, 'points'
270	guez	15	end IF
271	guez	3
272	guez	90	! Calcul interm\'ediaire :
273	guez	3	CALL massdair(p3d, masse)
274
275	guez	78	forall (l = 1:llm)
276	guez	3	masse(:, 1, l) = SUM(aire_2d(:iim, 1) * masse(:iim, 1, l)) / apoln
277			masse(:, jjm + 1, l) = &
278			SUM(aire_2d(:iim, jjm + 1) * masse(:iim, jjm + 1, l)) / apols
279			END forall
280
281	guez	5	call iniadvtrac
282	guez	78	CALL geopot(teta, pk , pks, phis, phi)
283	guez	163	CALL caldyn0(ucov, vcov, teta, ps, pk, phis, phi)
284	guez	157	CALL dynredem0(day_ref, phis)
285			CALL dynredem1(vcov, ucov, teta, q, masse, ps, itau = 0)
286	guez	3
287			! Initialisations :
288	guez	157	snsrf = 0.
289	guez	3	albe(:, is_ter) = 0.08
290			albe(:, is_lic) = 0.6
291			albe(:, is_oce) = 0.5
292			albe(:, is_sic) = 0.6
293	guez	15	evap = 0.
294	guez	99	qsolsrf = 150.
295			tsoil = spread(spread(pack(tsol_2d, dyn_phy), 2, nsoilmx), 3, nbsrf)
296	guez	3	solsw = 165.
297			sollw = -53.
298			t_ancien = 273.15
299			q_ancien = 0.
300			agesno = 0.
301
302	guez	13	frugs(:, is_oce) = rugmer
303	guez	78	frugs(:, is_ter) = MAX(1e-5, zstd * zsig / 2)
304			frugs(:, is_lic) = MAX(1e-5, zstd * zsig / 2)
305	guez	3	frugs(:, is_sic) = 0.001
306			clwcon = 0.
307			rnebcon = 0.
308			ratqs = 0.
309	guez	72	sig1 = 0.
310			w01 = 0.
311	guez	3
312	guez	157	nday = 0
313	guez	202	call phyredem0
314	guez	157
315			call nf95_inq_varid(ncid_restartphy, "trs", varid)
316			call nf95_put_var(ncid_restartphy, varid, null_array)
317
318	guez	175	call phyredem(pctsrf, tsoil(:, 1, :), tsoil, qsolsrf, &
319			pack(qsol_2d, dyn_phy), snsrf, albe, evap, null_array, null_array, &
320			solsw, sollw, null_array, null_array, frugs, agesno, zmea, zstd, &
321			zsig, zgam, zthe, zpic, zval, t_ancien, q_ancien, rnebcon, ratqs, &
322			clwcon, null_array, sig1, w01)
323	guez	3
324			END SUBROUTINE etat0
325
326	guez	276	end module etat0_m