source: LMDZ6/trunk/libf/phylmd/cosp/prec_scops.f90 @ 5310

Last change on this file since 5310 was 5248, checked in by abarral, 8 weeks ago

(cont.) Convert fixed-form to free-form sources .F -> .{f,F}90
  • 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
File size: 8.4 KB
Line 
1! (c) 2008, Lawrence Livermore National Security Limited Liability Corporation.
2! All rights reserved.
3! $Revision: 23 $, $Date: 2011-03-31 15:41:37 +0200 (jeu. 31 mars 2011) $
4! $URL: http://cfmip-obs-sim.googlecode.com/svn/stable/v1.4.0/llnl/prec_scops.f $
5!
6! Redistribution and use in source and binary forms, with or without modification, are permitted
7! provided that the following conditions are met:
8!
9! * Redistributions of source code must retain the above copyright notice, this list
10!   of conditions and the following disclaimer.
11! * Redistributions in binary form must reproduce the above copyright notice, this list
12!   of conditions and the following disclaimer in the documentation and/or other materials
13!   provided with the distribution.
14! * Neither the name of the Lawrence Livermore National Security Limited Liability Corporation
15!   nor the names of its contributors may be used to endorse or promote products derived from
16!   this software without specific prior written permission.
17!
18! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
19! IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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21! CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22! DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23! DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
24! IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25! OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
27subroutine prec_scops(npoints,nlev,ncol,ls_p_rate,cv_p_rate, &
28        frac_out,prec_frac)
29
30
31  implicit none
32
33  INTEGER :: npoints       !  number of model points in the horizontal
34  INTEGER :: nlev          !  number of model levels in column
35  INTEGER :: ncol          !  number of subcolumns
36
37  INTEGER :: i,j,ilev,ibox,cv_col
38
39  REAL :: ls_p_rate(npoints,nlev),cv_p_rate(npoints,nlev)
40
41  REAL :: frac_out(npoints,ncol,nlev) ! boxes gridbox divided up into
42                          ! ! Equivalent of BOX in original version, but
43                          ! ! indexed by column then row, rather than
44                          ! ! by row then column
45                          ! !TOA to SURFACE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
46  REAL :: prec_frac(npoints,ncol,nlev) ! 0 -> clear sky
47                                    ! ! 1 -> LS precipitation
48                                    ! ! 2 -> CONV precipitation
49                ! ! 3 -> both
50                !                     !TOA to SURFACE!!!!!!!!!!!!!!!!!!
51
52  INTEGER :: flag_ls, flag_cv
53  INTEGER :: frac_out_ls(npoints,ncol),frac_out_cv(npoints,ncol) !flag variables for
54                   ! ! stratiform cloud and convective cloud in the vertical column
55
56  cv_col = 0.05*ncol
57  if (cv_col .eq. 0) cv_col=1
58
59  do ilev=1,nlev
60    do ibox=1,ncol
61      do j=1,npoints
62        prec_frac(j,ibox,ilev) = 0
63      enddo
64    enddo
65  enddo
66
67  do j=1,npoints
68   do ibox=1,ncol
69    frac_out_ls(j,ibox)=0
70    frac_out_cv(j,ibox)=0
71    flag_ls=0
72    flag_cv=0
73    do ilev=1,nlev
74      if (frac_out(j,ibox,ilev) .eq. 1) then
75        flag_ls=1
76      endif
77      if (frac_out(j,ibox,ilev) .eq. 2) then
78        flag_cv=1
79      endif
80    enddo !loop over nlev
81    if (flag_ls .eq. 1) then
82       frac_out_ls(j,ibox)=1
83    endif
84    if (flag_cv .eq. 1) then
85       frac_out_cv(j,ibox)=1
86    endif
87   enddo  ! loop over ncol
88  enddo ! loop over npoints
89
90   ! initialize the top layer
91   do j=1,npoints
92    flag_ls=0
93    flag_cv=0
94
95    if (ls_p_rate(j,1) .gt. 0.) then
96        do ibox=1,ncol ! possibility ONE
97            if (frac_out(j,ibox,1) .eq. 1) then
98                prec_frac(j,ibox,1) = 1
99                flag_ls=1
100            endif
101        enddo ! loop over ncol
102        if (flag_ls .eq. 0) then ! possibility THREE
103            do ibox=1,ncol
104                if (frac_out(j,ibox,2) .eq. 1) then
105                    prec_frac(j,ibox,1) = 1
106                    flag_ls=1
107                endif
108            enddo ! loop over ncol
109        endif
110    if (flag_ls .eq. 0) then ! possibility Four
111    do ibox=1,ncol
112    if (frac_out_ls(j,ibox) .eq. 1) then
113        prec_frac(j,ibox,1) = 1
114        flag_ls=1
115    endif
116    enddo ! loop over ncol
117    endif
118    if (flag_ls .eq. 0) then ! possibility Five
119    do ibox=1,ncol
120  !   !     prec_frac(j,1:ncol,1) = 1
121    prec_frac(j,ibox,1) = 1
122    enddo ! loop over ncol
123        endif
124    endif
125   ! ! There is large scale precipitation
126
127    if (cv_p_rate(j,1) .gt. 0.) then
128     do ibox=1,ncol ! possibility ONE
129      if (frac_out(j,ibox,1) .eq. 2) then
130       if (prec_frac(j,ibox,1) .eq. 0) then
131    prec_frac(j,ibox,1) = 2
132   else
133    prec_frac(j,ibox,1) = 3
134   endif
135   flag_cv=1
136  endif
137    enddo ! loop over ncol
138    if (flag_cv .eq. 0) then ! possibility THREE
139    do ibox=1,ncol
140    if (frac_out(j,ibox,2) .eq. 2) then
141            if (prec_frac(j,ibox,1) .eq. 0) then
142        prec_frac(j,ibox,1) = 2
143        else
144        prec_frac(j,ibox,1) = 3
145        endif
146        flag_cv=1
147    endif
148    enddo ! loop over ncol
149    endif
150    if (flag_cv .eq. 0) then ! possibility Four
151    do ibox=1,ncol
152    if (frac_out_cv(j,ibox) .eq. 1) then
153            if (prec_frac(j,ibox,1) .eq. 0) then
154        prec_frac(j,ibox,1) = 2
155        else
156        prec_frac(j,ibox,1) = 3
157        endif
158        flag_cv=1
159    endif
160    enddo ! loop over ncol
161    endif
162    if (flag_cv .eq. 0) then  ! possibility Five
163    do ibox=1,cv_col
164            if (prec_frac(j,ibox,1) .eq. 0) then
165        prec_frac(j,ibox,1) = 2
166        else
167        prec_frac(j,ibox,1) = 3
168        endif
169    enddo !loop over cv_col
170        endif
171    endif
172    ! ! There is convective precipitation
173
174    enddo ! loop over npoints
175   ! end of initializing the top layer
176
177  !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
178
179  ! working on the levels from top to surface
180  do ilev=2,nlev
181   do j=1,npoints
182    flag_ls=0
183    flag_cv=0
184
185    if (ls_p_rate(j,ilev) .gt. 0.) then
186     do ibox=1,ncol ! possibility ONE&TWO
187      if ((frac_out(j,ibox,ilev) .eq. 1) .or. &
188            ((prec_frac(j,ibox,ilev-1) .eq. 1) &
189            .or. (prec_frac(j,ibox,ilev-1) .eq. 3))) then
190       prec_frac(j,ibox,ilev) = 1
191       flag_ls=1
192      endif
193    enddo ! loop over ncol
194    if ((flag_ls .eq. 0) .and. (ilev .lt. nlev)) then ! possibility THREE
195    do ibox=1,ncol
196    if (frac_out(j,ibox,ilev+1) .eq. 1) then
197        prec_frac(j,ibox,ilev) = 1
198        flag_ls=1
199    endif
200    enddo ! loop over ncol
201    endif
202    if (flag_ls .eq. 0) then ! possibility Four
203    do ibox=1,ncol
204    if (frac_out_ls(j,ibox) .eq. 1) then
205        prec_frac(j,ibox,ilev) = 1
206        flag_ls=1
207    endif
208    enddo ! loop over ncol
209    endif
210    if (flag_ls .eq. 0) then ! possibility Five
211    do ibox=1,ncol
212  ! prec_frac(j,1:ncol,ilev) = 1
213    prec_frac(j,ibox,ilev) = 1
214    enddo ! loop over ncol
215     endif
216  endif ! There is large scale precipitation
217
218    if (cv_p_rate(j,ilev) .gt. 0.) then
219     do ibox=1,ncol ! possibility ONE&TWO
220      if ((frac_out(j,ibox,ilev) .eq. 2) .or. &
221            ((prec_frac(j,ibox,ilev-1) .eq. 2) &
222            .or. (prec_frac(j,ibox,ilev-1) .eq. 3))) then
223        if (prec_frac(j,ibox,ilev) .eq. 0) then
224     prec_frac(j,ibox,ilev) = 2
225    else
226     prec_frac(j,ibox,ilev) = 3
227    endif
228    flag_cv=1
229    endif
230   enddo ! loop over ncol
231    if ((flag_cv .eq. 0) .and. (ilev .lt. nlev)) then ! possibility THREE
232    do ibox=1,ncol
233    if (frac_out(j,ibox,ilev+1) .eq. 2) then
234            if (prec_frac(j,ibox,ilev) .eq. 0) then
235        prec_frac(j,ibox,ilev) = 2
236        else
237        prec_frac(j,ibox,ilev) = 3
238        endif
239        flag_cv=1
240    endif
241    enddo ! loop over ncol
242    endif
243    if (flag_cv .eq. 0) then ! possibility Four
244    do ibox=1,ncol
245    if (frac_out_cv(j,ibox) .eq. 1) then
246            if (prec_frac(j,ibox,ilev) .eq. 0) then
247        prec_frac(j,ibox,ilev) = 2
248        else
249        prec_frac(j,ibox,ilev) = 3
250        endif
251        flag_cv=1
252    endif
253    enddo ! loop over ncol
254    endif
255    if (flag_cv .eq. 0) then  ! possibility Five
256    do ibox=1,cv_col
257            if (prec_frac(j,ibox,ilev) .eq. 0) then
258        prec_frac(j,ibox,ilev) = 2
259        else
260        prec_frac(j,ibox,ilev) = 3
261        endif
262    enddo !loop over cv_col
263        endif
264    endif ! There is convective precipitation
265
266    enddo ! loop over npoints
267    enddo ! loop over nlev
268
269end subroutine prec_scops
270
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