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trunk/libf/dyn3d/etat0.f90 revision 72 by guez, Tue Jul 23 13:00:07 2013 UTC trunk/dyn3d/etat0.f revision 97 by guez, Fri Apr 25 14:58:31 2014 UTC
# Line 7  module etat0_mod Line 7  module etat0_mod
7    
8    REAL pctsrf(klon, nbsrf)    REAL pctsrf(klon, nbsrf)
9    ! ("pctsrf(i, :)" is the composition of the surface at horizontal    ! ("pctsrf(i, :)" is the composition of the surface at horizontal
10    !  position "i")    ! position "i")
11    
12    private nbsrf, klon    private nbsrf, klon
13    
# Line 15  contains Line 15  contains
15    
16    SUBROUTINE etat0    SUBROUTINE etat0
17    
18      ! From "etat0_netcdf.F", version 1.3 2005/05/25 13:10:09      ! From "etat0_netcdf.F", version 1.3, 2005/05/25 13:10:09
19    
20      use caldyn0_m, only: caldyn0      use caldyn0_m, only: caldyn0
21      use comconst, only: dtvr, daysec, cpp, kappa      use comconst, only: cpp, kappa, iniconst
22      use comgeom, only: rlatu, rlonv, rlonu, rlatv, aire_2d, apoln, apols, &      use comgeom, only: rlatu, rlonv, rlonu, rlatv, aire_2d, apoln, apols, &
23           cu_2d, cv_2d           cu_2d, cv_2d, inigeom
24      use conf_gcm_m, only: day_step, iphysiq, dayref, anneeref      use conf_gcm_m, only: dayref, anneeref
25      use dimens_m, only: iim, jjm, llm, nqmx      use dimens_m, only: iim, jjm, llm, nqmx
26      use dimphy, only: zmasq      use dimphy, only: zmasq
27      use dimsoil, only: nsoilmx      use dimsoil, only: nsoilmx
28      use disvert_m, only: ap, bp, preff, pa      use disvert_m, only: ap, bp, preff, pa, disvert
29      use dynredem0_m, only: dynredem0      use dynredem0_m, only: dynredem0
30      use dynredem1_m, only: dynredem1      use dynredem1_m, only: dynredem1
31      use exner_hyb_m, only: exner_hyb      use exner_hyb_m, only: exner_hyb
# Line 36  contains Line 36  contains
36      use indicesol, only: is_oce, is_sic, is_ter, is_lic, epsfra      use indicesol, only: is_oce, is_sic, is_ter, is_lic, epsfra
37      use iniadvtrac_m, only: iniadvtrac      use iniadvtrac_m, only: iniadvtrac
38      use inifilr_m, only: inifilr      use inifilr_m, only: inifilr
     use inigeom_m, only: inigeom  
39      use massdair_m, only: massdair      use massdair_m, only: massdair
40      use netcdf, only: nf90_nowrite      use netcdf, only: nf90_nowrite
41      use netcdf95, only: nf95_close, nf95_get_var, nf95_gw_var, &      use netcdf95, only: nf95_close, nf95_get_var, nf95_gw_var, &
42           nf95_inq_varid, nf95_open           nf95_inq_varid, nf95_open
43      use nr_util, only: pi      use nr_util, only: pi, assert
44      use paramet_m, only: ip1jm, ip1jmp1      use paramet_m, only: ip1jm, ip1jmp1
45      use phyredem_m, only: phyredem      use phyredem_m, only: phyredem
     use pressure_var, only: pls, p3d  
46      use q_sat_m, only: q_sat      use q_sat_m, only: q_sat
47      use regr_lat_time_coefoz_m, only: regr_lat_time_coefoz      use regr_lat_time_coefoz_m, only: regr_lat_time_coefoz
48      use regr_pr_o3_m, only: regr_pr_o3      use regr_pr_o3_m, only: regr_pr_o3
49      use serre, only: alphax      use serre, only: alphax
50      use startdyn, only: start_init_dyn      use startdyn, only: start_init_dyn
51      USE start_init_orog_m, only: start_init_orog, mask, phis      USE start_init_orog_m, only: start_init_orog, mask
52      use start_init_phys_m, only: start_init_phys      use start_init_phys_m, only: start_init_phys
53      use start_inter_3d_m, only: start_inter_3d      use start_inter_3d_m, only: start_inter_3d
54      use temps, only: itau_phy, annee_ref, day_ref      use temps, only: itau_phy, annee_ref, day_ref
# Line 59  contains Line 57  contains
57    
58      REAL latfi(klon), lonfi(klon)      REAL latfi(klon), lonfi(klon)
59      ! (latitude and longitude of a point of the scalar grid identified      ! (latitude and longitude of a point of the scalar grid identified
60      ! by a simple index, in °)      ! by a simple index, in degrees)
61    
62      REAL, dimension(iim + 1, jjm + 1, llm):: ucov, t3d, tpot      REAL, dimension(iim + 1, jjm + 1, llm):: ucov, t3d, teta
63      REAL vcov(iim + 1, jjm, llm)      REAL vcov(iim + 1, jjm, llm)
64    
65      REAL q(iim + 1, jjm + 1, llm, nqmx)      REAL q(iim + 1, jjm + 1, llm, nqmx)
# Line 82  contains Line 80  contains
80      real seaice(klon) ! kg m-2      real seaice(klon) ! kg m-2
81      REAL frugs(klon, nbsrf), agesno(klon, nbsrf)      REAL frugs(klon, nbsrf), agesno(klon, nbsrf)
82      REAL rugmer(klon)      REAL rugmer(klon)
83      real, dimension(iim + 1, jjm + 1):: relief, zstd_2d, zsig_2d, zgam_2d      REAL phis(iim + 1, jjm + 1) ! surface geopotential, in m2 s-2
84        real, dimension(iim + 1, jjm + 1):: zmea_2d, zstd_2d, zsig_2d, zgam_2d
85      real, dimension(iim + 1, jjm + 1):: zthe_2d, zpic_2d, zval_2d      real, dimension(iim + 1, jjm + 1):: zthe_2d, zpic_2d, zval_2d
86      real, dimension(iim + 1, jjm + 1):: tsol_2d, qsol_2d, psol      real, dimension(iim + 1, jjm + 1):: tsol_2d, qsol_2d, ps
87      REAL zmea(klon), zstd(klon)      REAL zmea(klon), zstd(klon)
88      REAL zsig(klon), zgam(klon)      REAL zsig(klon), zgam(klon)
89      REAL zthe(klon)      REAL zthe(klon)
90      REAL zpic(klon), zval(klon)      REAL zpic(klon), zval(klon)
91      REAL t_ancien(klon, llm), q_ancien(klon, llm)      !      REAL t_ancien(klon, llm), q_ancien(klon, llm)
92      REAL run_off_lic_0(klon)      REAL run_off_lic_0(klon)
93      real clwcon(klon, llm), rnebcon(klon, llm), ratqs(klon, llm)      real clwcon(klon, llm), rnebcon(klon, llm), ratqs(klon, llm)
94    
95      ! Déclarations pour lecture glace de mer :      ! D\'eclarations pour lecture glace de mer :
96      INTEGER iml_lic, jml_lic      INTEGER iml_lic, jml_lic
97      INTEGER ncid, varid      INTEGER ncid, varid
98      REAL, pointer:: dlon_lic(:), dlat_lic(:)      REAL, pointer:: dlon_lic(:), dlat_lic(:)
# Line 108  contains Line 107  contains
107      REAL masse(iim + 1, jjm + 1, llm)      REAL masse(iim + 1, jjm + 1, llm)
108      REAL phi(iim + 1, jjm + 1, llm)      REAL phi(iim + 1, jjm + 1, llm)
109      REAL pbaru(ip1jmp1, llm), pbarv(ip1jm, llm)      REAL pbaru(ip1jmp1, llm), pbarv(ip1jm, llm)
110      REAL w(ip1jmp1, llm)      REAL w(iim + 1, jjm + 1, llm)
     REAL phystep  
111    
112      real sig1(klon, llm) ! section adiabatic updraft      real sig1(klon, llm) ! section adiabatic updraft
113      real w01(klon, llm) ! vertical velocity within adiabatic updraft      real w01(klon, llm) ! vertical velocity within adiabatic updraft
114    
115        real pls(iim + 1, jjm + 1, llm)
116        ! (pressure at mid-layer of LMDZ grid, in Pa)
117        ! "pls(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)",
118        ! for layer "l")
119    
120        REAL p3d(iim + 1, jjm + 1, llm+1) ! pressure at layer interfaces, in Pa
121        ! ("p3d(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)",
122        ! for interface "l")
123    
124      !---------------------------------      !---------------------------------
125    
126      print *, "Call sequence information: etat0"      print *, "Call sequence information: etat0"
127    
128      dtvr = daysec / real(day_step)      CALL iniconst
     print *, 'dtvr = ', dtvr  
129    
130      ! Construct a grid:      ! Construct a grid:
131    
132      pa = 5e4      pa = 5e4
133      CALL iniconst      CALL disvert
134      CALL inigeom      CALL inigeom
135      CALL inifilr      CALL inifilr
136    
# Line 138  contains Line 144  contains
144      ! (with conversion to degrees)      ! (with conversion to degrees)
145      lonfi(klon) = 0.      lonfi(klon) = 0.
146    
147      call start_init_orog(relief, zstd_2d, zsig_2d, zgam_2d, zthe_2d, zpic_2d, &      call start_init_orog(phis, zmea_2d, zstd_2d, zsig_2d, zgam_2d, zthe_2d, &
148           zval_2d) ! also compute "mask" and "phis"           zpic_2d, zval_2d) ! also compute "mask"
149      call init_dyn_phy ! define the mask "dyn_phy" for distinct grid points      call init_dyn_phy ! define the mask "dyn_phy" for distinct grid points
150      zmasq = pack(mask, dyn_phy)      zmasq = pack(mask, dyn_phy)
151      PRINT *, 'Masque construit'      PRINT *, 'Masque construit'
152    
153      call start_init_phys(tsol_2d, qsol_2d)      call start_init_phys(tsol_2d, qsol_2d)
154      CALL start_init_dyn(tsol_2d, psol)      CALL start_init_dyn(tsol_2d, phis, ps)
155    
156      ! Compute pressure on intermediate levels:      ! Compute pressure on intermediate levels:
157      forall(l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * psol      forall(l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * ps
158      CALL exner_hyb(psol, p3d, pks, pk)      CALL exner_hyb(ps, p3d, pks, pk)
159      IF (MINVAL(pk) == MAXVAL(pk)) then      call assert(MINVAL(pk) /= MAXVAL(pk), '"pk" should not be constant')
        print *, '"pk" should not be constant'  
        stop 1  
     end IF  
160    
161      pls = preff * (pk / cpp)**(1. / kappa)      pls = preff * (pk / cpp)**(1. / kappa)
162      PRINT *, "minval(pls) = ", minval(pls)      PRINT *, "minval(pls) = ", minval(pls)
# Line 168  contains Line 171  contains
171      vcov(iim + 1, :, :) = vcov(1, :, :)      vcov(iim + 1, :, :) = vcov(1, :, :)
172    
173      call start_inter_3d('TEMP', rlonu, rlatv, pls, t3d)      call start_inter_3d('TEMP', rlonu, rlatv, pls, t3d)
174      PRINT *,  'minval(t3d) = ', minval(t3d)      PRINT *, 'minval(t3d) = ', minval(t3d)
175      print *, "maxval(t3d) = ", maxval(t3d)      print *, "maxval(t3d) = ", maxval(t3d)
176    
177      tpot(:iim, :, :) = t3d(:iim, :, :) * cpp / pk(:iim, :, :)      teta(:iim, :, :) = t3d(:iim, :, :) * cpp / pk(:iim, :, :)
178      tpot(iim + 1, :, :) = tpot(1, :, :)      teta(iim + 1, :, :) = teta(1, :, :)
179      DO l=1, llm      DO l = 1, llm
180         tpot(:, 1, l) = SUM(aire_2d(:, 1) * tpot(:, 1, l)) / apoln         teta(:, 1, l) = SUM(aire_2d(:, 1) * teta(:, 1, l)) / apoln
181         tpot(:, jjm + 1, l) = SUM(aire_2d(:, jjm + 1) * tpot(:, jjm + 1, l)) &         teta(:, jjm + 1, l) = SUM(aire_2d(:, jjm + 1) * teta(:, jjm + 1, l)) &
182              / apols              / apols
183      ENDDO      ENDDO
184    
185      ! Calcul de l'humidité à saturation :      ! Calcul de l'humidit\'e \`a saturation :
186      qsat = q_sat(t3d, pls)      qsat = q_sat(t3d, pls)
187      PRINT *, "minval(qsat) = ", minval(qsat)      PRINT *, "minval(qsat) = ", minval(qsat)
188      print *, "maxval(qsat) = ", maxval(qsat)      print *, "maxval(qsat) = ", maxval(qsat)
# Line 200  contains Line 203  contains
203      if (nqmx >= 5) then      if (nqmx >= 5) then
204         ! Ozone:         ! Ozone:
205         call regr_lat_time_coefoz         call regr_lat_time_coefoz
206         call regr_pr_o3(q(:, :, :, 5))         call regr_pr_o3(p3d, q(:, :, :, 5))
207         ! Convert from mole fraction to mass fraction:         ! Convert from mole fraction to mass fraction:
208         q(:, :, :, 5) = q(:, :, :, 5)  * 48. / 29.         q(:, :, :, 5) = q(:, :, :, 5) * 48. / 29.
209      end if      end if
210    
211      tsol = pack(tsol_2d, dyn_phy)      tsol = pack(tsol_2d, dyn_phy)
# Line 212  contains Line 215  contains
215      tslab = 0. ! IM "slab" ocean      tslab = 0. ! IM "slab" ocean
216      seaice = 0.      seaice = 0.
217      rugmer = 0.001      rugmer = 0.001
218      zmea = pack(relief, dyn_phy)      zmea = pack(zmea_2d, dyn_phy)
219      zstd = pack(zstd_2d, dyn_phy)      zstd = pack(zstd_2d, dyn_phy)
220      zsig = pack(zsig_2d, dyn_phy)      zsig = pack(zsig_2d, dyn_phy)
221      zgam = pack(zgam_2d, dyn_phy)      zgam = pack(zgam_2d, dyn_phy)
# Line 240  contains Line 243  contains
243    
244      call nf95_close(ncid)      call nf95_close(ncid)
245    
246      ! Interpolation sur la grille T du modèle :      ! Interpolation sur la grille T du mod\`ele :
247      PRINT *, 'Dimensions de "landiceref.nc"'      PRINT *, 'Dimensions de "landiceref.nc"'
248      print *, "iml_lic = ", iml_lic      print *, "iml_lic = ", iml_lic
249      print *, "jml_lic = ", jml_lic      print *, "jml_lic = ", jml_lic
250    
251      ! Si les coordonnées sont en degrés, on les transforme :      ! Si les coordonn\'ees sont en degr\'es, on les transforme :
252      IF (MAXVAL( dlon_lic ) > pi)  THEN      IF (MAXVAL(dlon_lic) > pi) THEN
253         dlon_lic = dlon_lic * pi / 180.         dlon_lic = dlon_lic * pi / 180.
254      ENDIF      ENDIF
255      IF (maxval( dlat_lic ) > pi) THEN      IF (maxval(dlat_lic) > pi) THEN
256         dlat_lic = dlat_lic * pi/ 180.         dlat_lic = dlat_lic * pi/ 180.
257      ENDIF      ENDIF
258    
# Line 262  contains Line 265  contains
265      ! Passage sur la grille physique      ! Passage sur la grille physique
266      pctsrf = 0.      pctsrf = 0.
267      pctsrf(:, is_lic) = pack(flic_tmp, dyn_phy)      pctsrf(:, is_lic) = pack(flic_tmp, dyn_phy)
268      ! Adéquation avec le maque terre/mer      ! Ad\'equation avec le maque terre/mer
269      WHERE (pctsrf(:, is_lic) < EPSFRA ) pctsrf(:, is_lic) = 0.      WHERE (pctsrf(:, is_lic) < EPSFRA) pctsrf(:, is_lic) = 0.
270      WHERE (zmasq < EPSFRA) pctsrf(:, is_lic) = 0.      WHERE (zmasq < EPSFRA) pctsrf(:, is_lic) = 0.
271      pctsrf(:, is_ter) = zmasq      pctsrf(:, is_ter) = zmasq
272      where (zmasq > EPSFRA)      where (zmasq > EPSFRA)
# Line 279  contains Line 282  contains
282         end where         end where
283      end where      end where
284    
285      ! Sous-surface océan et glace de mer (pour démarrer on met glace      ! Sous-surface oc\'ean et glace de mer (pour d\'emarrer on met glace
286      ! de mer à 0) :      ! de mer \`a 0) :
287      pctsrf(:, is_oce) = 1. - zmasq      pctsrf(:, is_oce) = 1. - zmasq
288      WHERE (pctsrf(:, is_oce) < EPSFRA) pctsrf(:, is_oce) = 0.      WHERE (pctsrf(:, is_oce) < EPSFRA) pctsrf(:, is_oce) = 0.
289    
290      ! Vérification que somme des sous-surfaces vaut 1:      ! V\'erification que somme des sous-surfaces vaut 1 :
291      ji = count(abs(sum(pctsrf, dim = 2) - 1.) > EPSFRA)      ji = count(abs(sum(pctsrf, dim = 2) - 1.) > EPSFRA)
292      IF (ji /= 0) then      IF (ji /= 0) then
293         PRINT *, 'Problème répartition sous maille pour ', ji, 'points'         PRINT *, 'Bad surface percentages for ', ji, 'points'
294      end IF      end IF
295    
296      ! Calcul intermédiaire:      ! Calcul interm\'ediaire :
297      CALL massdair(p3d, masse)      CALL massdair(p3d, masse)
298    
299      print *, 'ALPHAX = ', alphax      print *, 'ALPHAX = ', alphax
300    
301      forall  (l = 1:llm)      forall (l = 1:llm)
302         masse(:, 1, l) = SUM(aire_2d(:iim, 1) * masse(:iim, 1, l)) / apoln         masse(:, 1, l) = SUM(aire_2d(:iim, 1) * masse(:iim, 1, l)) / apoln
303         masse(:, jjm + 1, l) = &         masse(:, jjm + 1, l) = &
304              SUM(aire_2d(:iim, jjm + 1) * masse(:iim, jjm + 1, l)) / apols              SUM(aire_2d(:iim, jjm + 1) * masse(:iim, jjm + 1, l)) / apols
# Line 307  contains Line 310  contains
310      day_ref = dayref      day_ref = dayref
311      annee_ref = anneeref      annee_ref = anneeref
312    
313      CALL geopot(tpot, pk , pks,  phis, phi)      CALL geopot(teta, pk , pks, phis, phi)
314      CALL caldyn0(ucov, vcov, tpot, psol, masse, pk, phis, phi, w, pbaru, &      CALL caldyn0(ucov, vcov, teta, ps, masse, pk, phis, phi, w, pbaru, &
315           pbarv)           pbarv)
316      CALL dynredem0("start.nc", dayref, phis)      CALL dynredem0("start.nc", dayref, phis)
317      CALL dynredem1("start.nc", vcov, ucov, tpot, q, masse, psol, itau=0)      CALL dynredem1("start.nc", vcov, ucov, teta, q, masse, ps, itau=0)
   
     ! Ecriture état initial physique:  
     print *, "iphysiq = ", iphysiq  
     phystep   = dtvr * REAL(iphysiq)  
     print *, 'phystep = ', phystep  
318    
319      ! Initialisations :      ! Initialisations :
320      tsolsrf(:, is_ter) = tsol      tsolsrf(:, is_ter) = tsol
# Line 350  contains Line 348  contains
348      seaice = 0.      seaice = 0.
349    
350      frugs(:, is_oce) = rugmer      frugs(:, is_oce) = rugmer
351      frugs(:, is_ter) = MAX(1.e-05, zstd * zsig / 2)      frugs(:, is_ter) = MAX(1e-5, zstd * zsig / 2)
352      frugs(:, is_lic) = MAX(1.e-05, zstd * zsig / 2)      frugs(:, is_lic) = MAX(1e-5, zstd * zsig / 2)
353      frugs(:, is_sic) = 0.001      frugs(:, is_sic) = 0.001
354      fder = 0.      fder = 0.
355      clwcon = 0.      clwcon = 0.
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