source: LMDZ6/trunk/libf/phylmd/cospv2/prec_scops.f90 @ 5300

Last change on this file since 5300 was 5268, checked in by abarral, 6 weeks ago

.f90 <-> .F90 depending on cpp key use
File size: 9.5 KB
RevLine 
[3491]1! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2! Copyright (c) 2008, Lawrence Livermore National Security Limited Liability Corporation
3! All rights reserved.
4!
5! Redistribution and use in source and binary forms, with or without modification, are
6! permitted provided that the following conditions are met:
7!
8! 1. Redistributions of source code must retain the above copyright notice, this list of
9!    conditions and the following disclaimer.
10!
11! 2. 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
13!    materials provided with the distribution.
14!
15! 3. Neither the name of the copyright holder nor the names of its contributors may be
16!    used to endorse or promote products derived from this software without specific prior
17!    written permission.
18!
19! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
20! EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21! MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
22! THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
24! OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26! LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27! OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28!
29! History:
30! May 2015- D. Swales - Modified for COSPv2.0
31!
32! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
33module mod_prec_scops
34   implicit none
35contains
36     
37      subroutine prec_scops(npoints,nlev,ncol,ls_p_rate,cv_p_rate,frac_out,prec_frac)
38
39        USE COSP_KINDS, ONLY: wp
40        use mod_cosp_config, ONLY: scops_ccfrac
41
42      INTEGER npoints       !  number of model points in the horizontal
43      INTEGER nlev          !  number of model levels in column
44      INTEGER ncol          !  number of subcolumns
45
46      INTEGER j,ilev,ibox,cv_col
47     
48      REAL(WP) ls_p_rate(npoints,nlev),cv_p_rate(npoints,nlev)
49
50      REAL(WP) frac_out(npoints,ncol,nlev) ! boxes gridbox divided up into
51                              ! Equivalent of BOX in original version, but
52                              ! indexed by column then row, rather than
53                              ! by row then column
54                              !TOA to SURFACE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
55      REAL(WP) prec_frac(npoints,ncol,nlev) ! 0 -> clear sky
56                                        ! 1 -> LS precipitation
57                                        ! 2 -> CONV precipitation
58                    ! 3 -> both
59                                        !TOA to SURFACE!!!!!!!!!!!!!!!!!!
60                   
61      INTEGER flag_ls, flag_cv
62      INTEGER frac_out_ls(npoints,ncol),frac_out_cv(npoints,ncol) !flag variables for
63                       ! stratiform cloud and convective cloud in the vertical column
64
65      cv_col = scops_ccfrac*ncol
66      if (cv_col .eq. 0) cv_col=1
67 
68      do ilev=1,nlev
69        do ibox=1,ncol
70          do j=1,npoints
71            prec_frac(j,ibox,ilev) = 0
72          enddo
73        enddo
74      enddo
75     
76      do j=1,npoints
77       do ibox=1,ncol
78        frac_out_ls(j,ibox)=0
79        frac_out_cv(j,ibox)=0
80        flag_ls=0
81        flag_cv=0
82        do ilev=1,nlev
83          if (frac_out(j,ibox,ilev) .eq. 1) then
84            flag_ls=1
85          endif
86          if (frac_out(j,ibox,ilev) .eq. 2) then
87            flag_cv=1
88          endif
89        enddo !loop over nlev
90        if (flag_ls .eq. 1) then
91           frac_out_ls(j,ibox)=1
92        endif
93        if (flag_cv .eq. 1) then
94           frac_out_cv(j,ibox)=1
95        endif
96       enddo  ! loop over ncol
97      enddo ! loop over npoints
98
99!      initialize the top layer     
100       do j=1,npoints
101        flag_ls=0
102        flag_cv=0
103   
104        if (ls_p_rate(j,1) .gt. 0.) then
105            do ibox=1,ncol ! possibility ONE
106                if (frac_out(j,ibox,1) .eq. 1) then
107                    prec_frac(j,ibox,1) = 1
108                    flag_ls=1
109                endif
110            enddo ! loop over ncol
111            if (flag_ls .eq. 0) then ! possibility THREE
112                do ibox=1,ncol
113                    if (frac_out(j,ibox,2) .eq. 1) then
114                        prec_frac(j,ibox,1) = 1
115                        flag_ls=1
116                    endif
117                enddo ! loop over ncol
118            endif
119        if (flag_ls .eq. 0) then ! possibility Four
120        do ibox=1,ncol
121        if (frac_out_ls(j,ibox) .eq. 1) then
122            prec_frac(j,ibox,1) = 1
123            flag_ls=1
124        endif
125        enddo ! loop over ncol
126        endif
127        if (flag_ls .eq. 0) then ! possibility Five
128        do ibox=1,ncol
129    !     prec_frac(j,1:ncol,1) = 1
130        prec_frac(j,ibox,1) = 1
131        enddo ! loop over ncol
132            endif
133        endif
134       ! There is large scale precipitation
135     
136        if (cv_p_rate(j,1) .gt. 0.) then
137         do ibox=1,ncol ! possibility ONE
138          if (frac_out(j,ibox,1) .eq. 2) then
139           if (prec_frac(j,ibox,1) .eq. 0) then
140        prec_frac(j,ibox,1) = 2
141       else
142        prec_frac(j,ibox,1) = 3
143       endif
144       flag_cv=1
145      endif
146        enddo ! loop over ncol
147        if (flag_cv .eq. 0) then ! possibility THREE
148        do ibox=1,ncol
149        if (frac_out(j,ibox,2) .eq. 2) then
150                if (prec_frac(j,ibox,1) .eq. 0) then
151            prec_frac(j,ibox,1) = 2
152            else
153            prec_frac(j,ibox,1) = 3
154            endif
155            flag_cv=1
156        endif
157        enddo ! loop over ncol
158        endif
159        if (flag_cv .eq. 0) then ! possibility Four
160        do ibox=1,ncol
161        if (frac_out_cv(j,ibox) .eq. 1) then
162                if (prec_frac(j,ibox,1) .eq. 0) then
163            prec_frac(j,ibox,1) = 2
164            else
165            prec_frac(j,ibox,1) = 3
166            endif
167            flag_cv=1
168        endif
169        enddo ! loop over ncol
170        endif
171        if (flag_cv .eq. 0) then  ! possibility Five
172        do ibox=1,cv_col
173                if (prec_frac(j,ibox,1) .eq. 0) then
174            prec_frac(j,ibox,1) = 2
175            else
176            prec_frac(j,ibox,1) = 3
177            endif
178        enddo !loop over cv_col
179            endif
180        endif
181        ! There is convective precipitation
182       
183        enddo ! loop over npoints
184!      end of initializing the top layer
185
186!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
187
188!     working on the levels from top to surface
189      do ilev=2,nlev
190       do j=1,npoints
191        flag_ls=0
192        flag_cv=0
193   
194        if (ls_p_rate(j,ilev) .gt. 0.) then
195         do ibox=1,ncol ! possibility ONE&TWO
196          if ((frac_out(j,ibox,ilev) .eq. 1) .or. ((prec_frac(j,ibox,ilev-1) .eq. 1)     &
197            .or. (prec_frac(j,ibox,ilev-1) .eq. 3))) then
198           prec_frac(j,ibox,ilev) = 1
199           flag_ls=1
200          endif
201        enddo ! loop over ncol
202        if ((flag_ls .eq. 0) .and. (ilev .lt. nlev)) then ! possibility THREE
203        do ibox=1,ncol
204        if (frac_out(j,ibox,ilev+1) .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 Four
211        do ibox=1,ncol
212        if (frac_out_ls(j,ibox) .eq. 1) then
213            prec_frac(j,ibox,ilev) = 1
214            flag_ls=1
215        endif
216        enddo ! loop over ncol
217        endif
218        if (flag_ls .eq. 0) then ! possibility Five
219        do ibox=1,ncol
220!     prec_frac(j,1:ncol,ilev) = 1
221        prec_frac(j,ibox,ilev) = 1
222        enddo ! loop over ncol
223         endif
224      endif ! There is large scale precipitation
225   
226        if (cv_p_rate(j,ilev) .gt. 0.) then
227         do ibox=1,ncol ! possibility ONE&TWO
228          if ((frac_out(j,ibox,ilev) .eq. 2) .or. ((prec_frac(j,ibox,ilev-1) .eq. 2)     &
229            .or. (prec_frac(j,ibox,ilev-1) .eq. 3))) then
230            if (prec_frac(j,ibox,ilev) .eq. 0) then
231         prec_frac(j,ibox,ilev) = 2
232        else
233         prec_frac(j,ibox,ilev) = 3
234        endif
235        flag_cv=1
236        endif
237       enddo ! loop over ncol
238        if ((flag_cv .eq. 0) .and. (ilev .lt. nlev)) then ! possibility THREE
239        do ibox=1,ncol
240        if (frac_out(j,ibox,ilev+1) .eq. 2) then
241                if (prec_frac(j,ibox,ilev) .eq. 0) then
242            prec_frac(j,ibox,ilev) = 2
243            else
244            prec_frac(j,ibox,ilev) = 3
245            endif
246            flag_cv=1
247        endif
248        enddo ! loop over ncol
249        endif
250        if (flag_cv .eq. 0) then ! possibility Four
251        do ibox=1,ncol
252        if (frac_out_cv(j,ibox) .eq. 1) then
253                if (prec_frac(j,ibox,ilev) .eq. 0) then
254            prec_frac(j,ibox,ilev) = 2
255            else
256            prec_frac(j,ibox,ilev) = 3
257            endif
258            flag_cv=1
259        endif
260        enddo ! loop over ncol
261        endif
262        if (flag_cv .eq. 0) then  ! possibility Five
263        do ibox=1,cv_col
264                if (prec_frac(j,ibox,ilev) .eq. 0) then
265            prec_frac(j,ibox,ilev) = 2
266            else
267            prec_frac(j,ibox,ilev) = 3
268            endif
269        enddo !loop over cv_col
270            endif
271        endif ! There is convective precipitation
272   
273        enddo ! loop over npoints
274        enddo ! loop over nlev
275
276      end subroutine prec_scops
277end module mod_prec_scops
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