source: LMDZ6/branches/IPSLCM6.0.15/libf/phylmd/surf_ocean_mod.F90 @ 4996

Last change on this file since 4996 was 3328, checked in by musat, 7 years ago

Utilisation de la clef iflag_cycle_diurne et
supression de la clef cycle_diurne.
  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 10.9 KB
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1
2!
3! $Id: surf_ocean_mod.F90 3328 2018-05-16 16:10:44Z evignon $
4!
5MODULE surf_ocean_mod
6
7  IMPLICIT NONE
8
9CONTAINS
10!
11!******************************************************************************
12!
13  SUBROUTINE surf_ocean(rlon, rlat, swnet, lwnet, alb1, &
14       windsp, rmu0, fder, tsurf_in, &
15       itime, dtime, jour, knon, knindex, &
16       p1lay, z1lay, cdragh, cdragm, precip_rain, precip_snow, temp_air, spechum, &
17       AcoefH, AcoefQ, BcoefH, BcoefQ, &
18       AcoefU, AcoefV, BcoefU, BcoefV, &
19       ps, u1, v1, gustiness, rugoro, pctsrf, &
20       snow, qsurf, agesno, &
21       z0m, z0h, SFRWL, alb_dir_new, alb_dif_new, evap, fluxsens, fluxlat, &
22       tsurf_new, dflux_s, dflux_l, lmt_bils, &
23       flux_u1, flux_v1)
24
25  use albedo, only: alboc, alboc_cd
26  USE dimphy, ONLY: klon, zmasq
27  USE surface_data, ONLY     : type_ocean
28  USE ocean_forced_mod, ONLY : ocean_forced_noice
29  USE ocean_slab_mod, ONLY   : ocean_slab_noice
30  USE ocean_cpl_mod, ONLY    : ocean_cpl_noice
31  USE indice_sol_mod, ONLY : nbsrf, is_oce
32  USE limit_read_mod
33!
34! This subroutine will make a call to ocean_XXX_noice according to the ocean mode (force,
35! slab or couple). The calculations of albedo and rugosity for the ocean surface are
36! done in here because they are identical for the different modes of ocean.
37
38
39    INCLUDE "YOMCST.h"
40
41    include "clesphys.h"
42    ! for cycle_diurne and for iflag_z0_oce==-1 (prescribed z0)
43
44! Input variables
45!******************************************************************************
46    INTEGER, INTENT(IN)                      :: itime, jour, knon
47    INTEGER, DIMENSION(klon), INTENT(IN)     :: knindex
48    REAL, INTENT(IN)                         :: dtime
49    REAL, DIMENSION(klon), INTENT(IN)        :: rlon, rlat
50    REAL, DIMENSION(klon), INTENT(IN)        :: swnet  ! net shortwave radiation at surface 
51    REAL, DIMENSION(klon), INTENT(IN)        :: lwnet  ! net longwave radiation at surface 
52    REAL, DIMENSION(klon), INTENT(IN)        :: alb1   ! albedo in visible SW interval
53    REAL, DIMENSION(klon), INTENT(IN)        :: windsp
54    REAL, DIMENSION(klon), INTENT(IN)        :: rmu0 
55    REAL, DIMENSION(klon), INTENT(IN)        :: fder
56    REAL, DIMENSION(klon), INTENT(IN)        :: tsurf_in
57    REAL, DIMENSION(klon), INTENT(IN)        :: p1lay,z1lay ! pression (Pa) et altitude (m) du premier niveau
58    REAL, DIMENSION(klon), INTENT(IN)        :: cdragh
59    REAL, DIMENSION(klon), INTENT(IN)        :: cdragm
60    REAL, DIMENSION(klon), INTENT(IN)        :: precip_rain, precip_snow
61    REAL, DIMENSION(klon), INTENT(IN)        :: temp_air, spechum
62    REAL, DIMENSION(klon), INTENT(IN)        :: AcoefH, AcoefQ, BcoefH, BcoefQ
63    REAL, DIMENSION(klon), INTENT(IN)        :: AcoefU, AcoefV, BcoefU, BcoefV
64    REAL, DIMENSION(klon), INTENT(IN)        :: ps
65    REAL, DIMENSION(klon), INTENT(IN)        :: u1, v1, gustiness
66    REAL, DIMENSION(klon), INTENT(IN)        :: rugoro
67    REAL, DIMENSION(klon,nbsrf), INTENT(IN)  :: pctsrf
68
69! In/Output variables
70!******************************************************************************
71    REAL, DIMENSION(klon), INTENT(INOUT)     :: snow
72    REAL, DIMENSION(klon), INTENT(INOUT)     :: qsurf
73    REAL, DIMENSION(klon), INTENT(INOUT)     :: agesno
74
75! Output variables
76!******************************************************************************
77    REAL, DIMENSION(klon), INTENT(OUT)       :: z0m, z0h
78!albedo SB >>>
79!    REAL, DIMENSION(klon), INTENT(OUT)       :: alb1_new  ! new albedo in visible SW interval
80!    REAL, DIMENSION(klon), INTENT(OUT)       :: alb2_new  ! new albedo in near IR interval
81    REAL, DIMENSION(6), INTENT(IN)          :: SFRWL
82    REAL, DIMENSION(klon,nsw), INTENT(OUT)       :: alb_dir_new,alb_dif_new
83!albedo SB <<<     
84    REAL, DIMENSION(klon), INTENT(OUT)       :: evap, fluxsens, fluxlat
85    REAL, DIMENSION(klon), INTENT(OUT)       :: tsurf_new
86    REAL, DIMENSION(klon), INTENT(OUT)       :: dflux_s, dflux_l     
87    REAL, DIMENSION(klon), INTENT(OUT)       :: lmt_bils
88    REAL, DIMENSION(klon), INTENT(OUT)       :: flux_u1, flux_v1
89
90! Local variables
91!******************************************************************************
92    INTEGER               :: i, k
93    REAL                  :: tmp
94    REAL, PARAMETER       :: cepdu2=(0.1)**2
95    REAL, DIMENSION(klon) :: alb_eau, z0_lim
96    REAL, DIMENSION(klon) :: radsol
97    REAL, DIMENSION(klon) :: cdragq ! Cdrag pour l'evaporation
98    CHARACTER(len=20),PARAMETER :: modname="surf_ocean"
99
100! End definition
101!******************************************************************************
102
103
104!******************************************************************************
105! Calculate total net radiance at surface
106!
107!******************************************************************************
108    radsol(1:klon) = 0.0 ! initialisation a priori inutile
109    radsol(1:knon) = swnet(1:knon) + lwnet(1:knon)
110
111!******************************************************************************
112! Cdragq computed from cdrag
113! The difference comes only from a factor (f_z0qh_oce) on z0, so that
114! it can be computed inside surf_ocean
115! More complicated appraches may require the propagation through
116! pbl_surface of an independant cdragq variable.
117!******************************************************************************
118
119    IF ( f_z0qh_oce .ne. 1.) THEN
120! Si on suit les formulations par exemple de Tessel, on
121! a z0h=0.4*nu/u*, z0q=0.62*nu/u*, d'ou f_z0qh_oce=0.62/0.4=1.55
122       cdragq(1:knon)=cdragh(1:knon)*                                      &
123       log(z1lay(1:knon)/z0h(1:knon))/log(z1lay(1:knon)/(f_z0qh_oce*z0h(1:knon)))
124    ELSE
125       cdragq(1:knon)=cdragh(1:knon)
126    ENDIF
127
128
129!******************************************************************************
130! Switch according to type of ocean (couple, slab or forced)
131!******************************************************************************
132    SELECT CASE(type_ocean)
133    CASE('couple')
134       CALL ocean_cpl_noice( &
135            swnet, lwnet, alb1, &
136            windsp, fder, &
137            itime, dtime, knon, knindex, &
138            p1lay, cdragh, cdragq, cdragm, precip_rain, precip_snow,temp_air,spechum,&
139            AcoefH, AcoefQ, BcoefH, BcoefQ, &
140            AcoefU, AcoefV, BcoefU, BcoefV, &
141            ps, u1, v1, gustiness, &
142            radsol, snow, agesno, &
143            qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
144            tsurf_new, dflux_s, dflux_l)
145
146    CASE('slab')
147       CALL ocean_slab_noice( &
148            itime, dtime, jour, knon, knindex, &
149            p1lay, cdragh, cdragq, cdragm, precip_rain, precip_snow, temp_air, spechum,&
150            AcoefH, AcoefQ, BcoefH, BcoefQ, &
151            AcoefU, AcoefV, BcoefU, BcoefV, &
152            ps, u1, v1, gustiness, tsurf_in, &
153            radsol, snow, &
154            qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
155            tsurf_new, dflux_s, dflux_l, lmt_bils)
156       
157    CASE('force')
158       CALL ocean_forced_noice( &
159            itime, dtime, jour, knon, knindex, &
160            p1lay, cdragh, cdragq, cdragm, precip_rain, precip_snow, &
161            temp_air, spechum, &
162            AcoefH, AcoefQ, BcoefH, BcoefQ, &
163            AcoefU, AcoefV, BcoefU, BcoefV, &
164            ps, u1, v1, gustiness, &
165            radsol, snow, agesno, &
166            qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
167            tsurf_new, dflux_s, dflux_l)
168    END SELECT
169
170!******************************************************************************
171! fcodron: compute lmt_bils  forced case (same as wfbils_oce / 1.-contfracatm)
172!******************************************************************************
173    IF (type_ocean.NE.'slab') THEN
174        lmt_bils(1:klon)=0.
175        DO i=1,knon
176           lmt_bils(knindex(i))=(swnet(i)+lwnet(i)+fluxsens(i)+fluxlat(i)) &
177           *pctsrf(knindex(i),is_oce)/(1.-zmasq(knindex(i)))
178        END DO
179    END IF
180
181!******************************************************************************
182! Calculate ocean surface albedo
183!******************************************************************************
184!albedo SB >>>
185IF (iflag_albedo==0) THEN
186!--old parametrizations of ocean surface albedo
187!
188    IF (iflag_cycle_diurne.GE.1) THEN
189!
190       CALL alboc_cd(rmu0,alb_eau)
191!
192!--ad-hoc correction for model radiative balance tuning
193!--now outside alboc_cd routine
194       alb_eau(1:klon) = fmagic*alb_eau(1:klon) + pmagic
195       alb_eau(1:klon)=MIN(MAX(alb_eau(1:klon),0.0),1.0)
196!
197    ELSE
198!
199       CALL alboc(REAL(jour),rlat,alb_eau)
200!--ad-hoc correction for model radiative balance tuning
201!--now outside alboc routine
202       alb_eau(1:klon) = fmagic*alb_eau(1:klon) + pmagic
203       alb_eau(1:klon)=MIN(MAX(alb_eau(1:klon),0.04),0.60)
204!
205    ENDIF
206!
207    DO i =1, knon
208      DO  k=1,nsw
209       alb_dir_new(i,k) = alb_eau(knindex(i))
210      ENDDO
211    ENDDO
212!IM 09122015 next line corresponds to the old way of doing in LMDZ5A/IPSLCM5A versions
213!albedo for diffuse radiation is taken the same as for direct radiation
214     alb_dif_new(1:knon,:)=alb_dir_new(1:knon,:)
215!IM 09122015 end
216!
217ELSE IF (iflag_albedo==1) THEN
218!--new parametrization of ocean surface albedo by Sunghye Baek
219!--albedo for direct and diffuse radiation are different
220!
221    CALL ocean_albedo(knon,rmu0,knindex,windsp,SFRWL,alb_dir_new,alb_dif_new)
222!
223!--ad-hoc correction for model radiative balance tuning
224    alb_dir_new(1:knon,:) = fmagic*alb_dir_new(1:knon,:) + pmagic
225    alb_dif_new(1:knon,:) = fmagic*alb_dif_new(1:knon,:) + pmagic
226    alb_dir_new(1:knon,:)=MIN(MAX(alb_dir_new(1:knon,:),0.0),1.0)
227    alb_dif_new(1:knon,:)=MIN(MAX(alb_dif_new(1:knon,:),0.0),1.0)
228!
229! F. Codron albedo read from limit.nc
230ELSE IF (iflag_albedo==2) THEN
231    CALL limit_read_rug_alb(itime, dtime, jour,&
232         knon, knindex, z0_lim, alb_eau)
233    DO i =1, knon
234      DO  k=1,nsw
235       alb_dir_new(i,k) = alb_eau(i)
236      ENDDO
237    ENDDO
238    alb_dif_new=alb_dir_new
239ENDIF
240!albedo SB <<<
241
242!******************************************************************************
243! Calculate the rugosity
244!******************************************************************************
245IF (iflag_z0_oce==0) THEN
246    DO i = 1, knon
247       tmp = MAX(cepdu2,gustiness(i)+u1(i)**2+v1(i)**2)
248       z0m(i) = 0.018*cdragm(i) * (gustiness(i)+u1(i)**2+v1(i)**2)/RG  &
249            +  0.11*14e-6 / SQRT(cdragm(i) * tmp)
250       z0m(i) = MAX(1.5e-05,z0m(i))
251    ENDDO   
252    z0h(1:knon)=z0m(1:knon) ! En attendant mieux
253
254ELSE IF (iflag_z0_oce==1) THEN
255    DO i = 1, knon
256       tmp = MAX(cepdu2,gustiness(i)+u1(i)**2+v1(i)**2)
257       z0m(i) = 0.018*cdragm(i) * (gustiness(i)+u1(i)**2+v1(i)**2)/RG  &
258            + 0.11*14e-6 / SQRT(cdragm(i) * tmp)
259       z0m(i) = MAX(1.5e-05,z0m(i))
260       z0h(i)=0.4*14e-6 / SQRT(cdragm(i) * tmp)
261    ENDDO
262ELSE IF (iflag_z0_oce==-1) THEN
263    DO i = 1, knon
264       z0m(i) = z0min
265       z0h(i) = z0min
266    ENDDO
267ELSE
268       CALL abort_physic(modname,'version non prevue',1)
269ENDIF
270!
271!******************************************************************************
272  END SUBROUTINE surf_ocean
273!******************************************************************************
274!
275END MODULE surf_ocean_mod
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