source: LMDZ6/trunk/libf/phylmd/create_limit_unstruct.F90 @ 3492

Last change on this file since 3492 was 3471, checked in by yann meurdesoif, 6 years ago

Unstructured case : adapt limit,nc to hadisst files with daily values instead of monthly for sst and sic.

YM

File size: 11.8 KB
Line 
1MODULE create_limit_unstruct_mod
2    PRIVATE
3    INTEGER, PARAMETER                             :: lmdep=12
4
5    PUBLIC create_limit_unstruct
6
7CONTAINS
8
9
10  SUBROUTINE create_limit_unstruct
11  USE dimphy
12#ifdef CPP_XIOS
13  USE xios
14  USE ioipsl,             ONLY : ioget_year_len
15  USE time_phylmdz_mod, ONLY : annee_ref
16  USE indice_sol_mod
17  USE phys_state_var_mod
18  USE mod_phys_lmdz_para
19  IMPLICIT NONE
20    INCLUDE "iniprint.h"
21    REAL,    DIMENSION(:,:),ALLOCATABLE            :: sic
22    REAL,    DIMENSION(:,:),ALLOCATABLE            :: sst
23    REAL,    DIMENSION(klon,lmdep)                 :: rugos
24    REAL,    DIMENSION(klon,lmdep)                 :: albedo
25    REAL,    DIMENSION(:,:),ALLOCATABLE            :: sic_mpi
26    REAL,    DIMENSION(:,:),ALLOCATABLE            :: sst_mpi
27    REAL,    DIMENSION(klon_mpi,lmdep)             :: rugos_mpi
28    REAL,    DIMENSION(klon_mpi,lmdep)             :: albedo_mpi
29    INTEGER                                        :: ndays
30    REAL                                           :: fi_ice(klon)
31    REAL, ALLOCATABLE                              :: sic_year(:,:)
32    REAL, ALLOCATABLE                              :: sst_year(:,:)
33    REAL, ALLOCATABLE                              :: rugos_year(:,:)
34    REAL, ALLOCATABLE                              :: albedo_year(:,:)
35    REAL, ALLOCATABLE                              :: pctsrf_t(:,:,:)
36    REAL, ALLOCATABLE                              :: phy_bil(:,:)
37    REAL, ALLOCATABLE                              :: sst_year_mpi(:,:)
38    REAL, ALLOCATABLE                              :: rugos_year_mpi(:,:)
39    REAL, ALLOCATABLE                              :: albedo_year_mpi(:,:)
40    REAL, ALLOCATABLE                              :: pctsrf_t_mpi(:,:,:)
41    REAL, ALLOCATABLE                              :: phy_bil_mpi(:,:)
42    INTEGER :: l,k
43    INTEGER :: nbad
44    INTEGER :: sic_time_axis_size
45    INTEGER :: sst_time_axis_size
46    CHARACTER(LEN=99)                  :: mess            ! error message
47   
48     
49    ndays=ioget_year_len(annee_ref)
50   
51    IF (is_omp_master) CALL xios_get_axis_attr("time_sic",n_glo=sic_time_axis_size)
52    CALL bcast_omp(sic_time_axis_size)
53    ALLOCATE(sic_mpi(klon_mpi,sic_time_axis_size))
54    ALLOCATE(sic(klon,sic_time_axis_size))
55   
56   
57    IF (is_omp_master) CALL xios_get_axis_attr("time_sst",n_glo=sst_time_axis_size)
58    CALL bcast_omp(sst_time_axis_size)
59    ALLOCATE(sst_mpi(klon_mpi,sst_time_axis_size))
60    ALLOCATE(sst(klon,sst_time_axis_size))
61   
62    IF (is_omp_master) THEN
63      CALL xios_recv_field("sic_limit",sic_mpi)
64      CALL xios_recv_field("sst_limit",sst_mpi)
65      CALL xios_recv_field("rugos_limit",rugos_mpi)
66      CALL xios_recv_field("albedo_limit",albedo_mpi)
67    ENDIF
68    CALL scatter_omp(sic_mpi,sic)
69    CALL scatter_omp(sst_mpi,sst)
70    CALL scatter_omp(rugos_mpi,rugos)
71    CALL scatter_omp(albedo_mpi,albedo)
72   
73    ALLOCATE(sic_year(klon,ndays))
74    ALLOCATE(sst_year(klon,ndays))
75    ALLOCATE(rugos_year(klon,ndays))
76    ALLOCATE(albedo_year(klon,ndays))
77    ALLOCATE(pctsrf_t(klon,nbsrf,ndays))
78    ALLOCATE(phy_bil(klon,ndays)); phy_bil=0.0
79
80
81! sic
82    IF (sic_time_axis_size==lmdep) THEN
83      CALL time_interpolation(ndays,sic,'gregorian',sic_year)
84    ELSE IF (sic_time_axis_size==ndays) THEN
85      sic_year=sic
86    ELSE
87      WRITE(mess,*) 'sic time axis is nor montly, nor daily. sic time interpolation ',&
88                    'is requiered but is not currently managed'
89      CALL abort_physic('create_limit_unstruct',TRIM(mess),1)
90    ENDIF
91   
92    sic_year(:,:)=sic_year(:,:)/100.  ! convert percent to fraction
93    WHERE(sic_year(:,:)>1.0) sic_year(:,:)=1.0    ! Some fractions have some time large negative values
94    WHERE(sic_year(:,:)<0.0) sic_year(:,:)=0.0    ! probably better to apply alse this filter before horizontal interpolation
95   
96! sst
97    IF (sst_time_axis_size==lmdep) THEN
98      CALL time_interpolation(ndays,sst,'gregorian',sst_year)
99    ELSE IF (sst_time_axis_size==ndays) THEN
100      sst_year=sst
101    ELSE
102      WRITE(mess,*)'sic time axis is nor montly, nor daily. sic time interpolation ',&
103                   'is requiered but is not currently managed'
104      CALL abort_physic('create_limit_unstruct',TRIM(mess),1)
105    ENDIF
106    WHERE(sst_year(:,:)<271.38) sst_year(:,:)=271.38
107
108
109! rugos   
110    DO l=1, lmdep
111      WHERE(NINT(zmasq(:))/=1) rugos(:,l)=0.001
112    ENDDO
113    CALL time_interpolation(ndays,rugos,'360d',rugos_year)
114
115! albedo   
116    CALL time_interpolation(ndays,albedo,'360d',albedo_year)
117
118
119    DO k=1,ndays
120      fi_ice=sic_year(:,k)
121      WHERE(fi_ice>=1.0  ) fi_ice=1.0
122      WHERE(fi_ice<EPSFRA) fi_ice=0.0
123      pctsrf_t(:,is_ter,k)=pctsrf(:,is_ter)       ! land soil
124      pctsrf_t(:,is_lic,k)=pctsrf(:,is_lic)       ! land ice
125
126!!     IF (icefile==trim(fcpldsic)) THEN           ! SIC=pICE*(1-LIC-TER)
127!!        pctsrf_t(:,is_sic,k)=fi_ice(:)*(1.-pctsrf(:,is_lic)-pctsrf(:,is_ter))
128!!     ELSE IF (icefile==trim(fhistsic)) THEN      ! SIC=pICE
129!!        pctsrf_t(:,is_sic,k)=fi_ice(:)
130!!     ELSE ! icefile==famipsic                    ! SIC=pICE-LIC
131        pctsrf_t(:,is_sic,k)=fi_ice-pctsrf_t(:,is_lic,k)
132!     END IF
133      WHERE(pctsrf_t(:,is_sic,k)<=0) pctsrf_t(:,is_sic,k)=0.
134      WHERE(1.0-zmasq<EPSFRA)
135        pctsrf_t(:,is_sic,k)=0.0
136        pctsrf_t(:,is_oce,k)=0.0
137      ELSEWHERE
138        WHERE(pctsrf_t(:,is_sic,k)>=1.0-zmasq)
139          pctsrf_t(:,is_sic,k)=1.0-zmasq
140          pctsrf_t(:,is_oce,k)=0.0
141        ELSEWHERE
142          pctsrf_t(:,is_oce,k)=1.0-zmasq-pctsrf_t(:,is_sic,k)
143          WHERE(pctsrf_t(:,is_oce,k)<EPSFRA)
144             pctsrf_t(:,is_oce,k)=0.0
145             pctsrf_t(:,is_sic,k)=1.0-zmasq
146          END WHERE
147        END WHERE
148      END WHERE
149      nbad=COUNT(pctsrf_t(:,is_oce,k)<0.0)
150      IF(nbad>0) WRITE(lunout,*) 'pb sous maille pour nb point = ',nbad
151      nbad=COUNT(abs(sum(pctsrf_t(:,:,k),dim=2)-1.0)>EPSFRA)
152      IF(nbad>0) WRITE(lunout,*) 'pb sous surface pour nb points = ',nbad
153    END DO
154   
155    ALLOCATE(sst_year_mpi(klon_mpi,ndays))
156    ALLOCATE(rugos_year_mpi(klon_mpi,ndays))
157    ALLOCATE(albedo_year_mpi(klon_mpi,ndays))
158    ALLOCATE(pctsrf_t_mpi(klon_mpi,nbsrf,ndays))
159    ALLOCATE(phy_bil_mpi(klon_mpi,ndays))
160   
161    CALL gather_omp(pctsrf_t   , pctsrf_t_mpi)
162    CALL gather_omp(sst_year   , sst_year_mpi)
163    CALL gather_omp(phy_bil    , phy_bil_mpi)
164    CALL gather_omp(albedo_year, albedo_year_mpi)
165    CALL gather_omp(rugos_year , rugos_year_mpi)
166
167    IF (is_omp_master) THEN
168      CALL xios_send_field("foce_limout",pctsrf_t_mpi(:,is_oce,:))
169      CALL xios_send_field("fsic_limout",pctsrf_t_mpi(:,is_sic,:))
170      CALL xios_send_field("fter_limout",pctsrf_t_mpi(:,is_ter,:))
171      CALL xios_send_field("flic_limout",pctsrf_t_mpi(:,is_lic,:))
172      CALL xios_send_field("sst_limout", sst_year_mpi)
173      CALL xios_send_field("bils_limout",phy_bil_mpi)
174      CALL xios_send_field("alb_limout", albedo_year_mpi)
175      CALL xios_send_field("rug_limout", rugos_year_mpi)
176    ENDIF
177#endif
178  END SUBROUTINE create_limit_unstruct
179 
180 
181  SUBROUTINE time_interpolation(ndays,field_in,calendar,field_out)
182  USE pchsp_95_m, only: pchsp_95
183  USE pchfe_95_m, only: pchfe_95
184  USE arth_m, only: arth
185  USE dimphy, ONLY : klon
186  USE ioipsl,             ONLY : ioget_year_len
187  USE time_phylmdz_mod, ONLY : annee_ref
188  USE mod_phys_lmdz_para
189  IMPLICIT NONE
190   INCLUDE "iniprint.h"
191
192   INTEGER,         INTENT(IN)  :: ndays
193   REAL,            INTENT(IN)  :: field_in(klon,lmdep)
194   CHARACTER(LEN=*),INTENT(IN)  :: calendar
195   REAL,            INTENT(OUT) :: field_out(klon,ndays)
196 
197   INTEGER :: ndays_in
198   REAL    :: timeyear(lmdep)   
199   REAL    :: yder(lmdep)   
200   INTEGER :: ij,ierr, n_extrap
201   LOGICAL :: skip
202   
203 
204   IF (is_omp_master) ndays_in=year_len(annee_ref, calendar)
205   CALL bcast_omp(ndays_in)
206   IF (is_omp_master) timeyear=mid_months(annee_ref, calendar, lmdep)
207   CALL bcast_omp(timeyear)
208   
209   n_extrap = 0
210   skip=.FALSE.
211   DO ij=1,klon
212     yder = pchsp_95(timeyear, field_in(ij, :), ibeg=2, iend=2, vc_beg=0., vc_end=0.)
213     CALL pchfe_95(timeyear, field_in(ij, :), yder, skip, arth(0., real(ndays_in) / ndays, ndays), field_out(ij, :), ierr)
214     if (ierr < 0) stop 1
215     n_extrap = n_extrap + ierr
216   END DO
217   
218   IF (n_extrap /= 0) then
219     WRITE(lunout,*) "get_2Dfield pchfe_95: n_extrap = ", n_extrap
220   ENDIF
221 
222 
223  END SUBROUTINE time_interpolation
224  !-------------------------------------------------------------------------------
225  !
226  FUNCTION year_len(y,cal_in)
227  !
228  !-------------------------------------------------------------------------------
229    USE ioipsl, ONLY : ioget_calendar,ioconf_calendar,lock_calendar,ioget_year_len
230    IMPLICIT NONE
231  !-------------------------------------------------------------------------------
232  ! Arguments:
233    INTEGER                       :: year_len
234    INTEGER,           INTENT(IN) :: y
235    CHARACTER(LEN=*),  INTENT(IN) :: cal_in
236  !-------------------------------------------------------------------------------
237  ! Local variables:
238    CHARACTER(LEN=20)             :: cal_out              ! calendar (for outputs)
239  !-------------------------------------------------------------------------------
240  !--- Getting the input calendar to reset at the end of the function
241    CALL ioget_calendar(cal_out)
242 
243  !--- Unlocking calendar and setting it to wanted one
244    CALL lock_calendar(.FALSE.); CALL ioconf_calendar(TRIM(cal_in))
245 
246  !--- Getting the number of days in this year
247    year_len=ioget_year_len(y)
248 
249  !--- Back to original calendar
250    CALL lock_calendar(.FALSE.); CALL ioconf_calendar(TRIM(cal_out))
251 
252  END FUNCTION year_len
253  !
254  !-------------------------------------------------------------------------------
255 
256 
257  !-------------------------------------------------------------------------------
258  !
259  FUNCTION mid_months(y,cal_in,nm)
260  !
261  !-------------------------------------------------------------------------------
262    USE ioipsl, ONLY : ioget_calendar,ioconf_calendar,lock_calendar,ioget_mon_len
263    IMPLICIT NONE
264  !-------------------------------------------------------------------------------
265  ! Arguments:
266    INTEGER,                INTENT(IN) :: y               ! year
267    CHARACTER(LEN=*),       INTENT(IN) :: cal_in          ! calendar
268    INTEGER,                INTENT(IN) :: nm              ! months/year number
269    REAL,    DIMENSION(nm)             :: mid_months      ! mid-month times
270  !-------------------------------------------------------------------------------
271  ! Local variables:
272    CHARACTER(LEN=99)                  :: mess            ! error message
273    CHARACTER(LEN=20)                  :: cal_out         ! calendar (for outputs)
274    INTEGER, DIMENSION(nm)             :: mnth            ! months lengths (days)
275    INTEGER                            :: m               ! months counter
276    INTEGER                            :: nd              ! number of days
277    INTEGER                            :: k
278  !-------------------------------------------------------------------------------
279    nd=year_len(y,cal_in)
280 
281    IF(nm==12) THEN
282 
283    !--- Getting the input calendar to reset at the end of the function
284      CALL ioget_calendar(cal_out)
285 
286    !--- Unlocking calendar and setting it to wanted one
287      CALL lock_calendar(.FALSE.); CALL ioconf_calendar(TRIM(cal_in))
288 
289    !--- Getting the length of each month
290      DO m=1,nm; mnth(m)=ioget_mon_len(y,m); END DO
291 
292    !--- Back to original calendar
293      CALL lock_calendar(.FALSE.); CALL ioconf_calendar(TRIM(cal_out))
294 
295    ELSE IF(MODULO(nd,nm)/=0) THEN
296      WRITE(mess,'(a,i3,a,i3,a)')'Unconsistent calendar: ',nd,' days/year, but ',&
297        nm,' months/year. Months number should divide days number.'
298      CALL abort_physic('mid_months',TRIM(mess),1)
299 
300    ELSE
301      mnth=(/(m,m=1,nm,nd/nm)/)
302    END IF
303 
304  !--- Mid-months times
305    mid_months(1)=0.5*REAL(mnth(1))
306    DO k=2,nm
307      mid_months(k)=mid_months(k-1)+0.5*REAL(mnth(k-1)+mnth(k))
308    END DO
309 
310  END FUNCTION mid_months
311 
312
313END MODULE create_limit_unstruct_mod
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