Directory: | ./ |
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File: | phys/alpale_th.f90 |
Date: | 2022-01-11 19:19:34 |
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Lines: | 39 | 112 | 34.8% |
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1 | ! | ||
2 | ! $Id: alpale_th.F90 3531 2019-06-06 15:08:45Z fairhead $ | ||
3 | ! | ||
4 | 597237 | SUBROUTINE alpale_th ( dtime, lmax_th, t_seri, cell_area, & | |
5 | cin, s2, n2, & | ||
6 | ale_bl_trig, ale_bl_stat, ale_bl, & | ||
7 | alp_bl, alp_bl_stat, & | ||
8 | 480 | proba_notrig, random_notrig, birth_rate) | |
9 | |||
10 | ! ************************************************************** | ||
11 | ! * | ||
12 | ! ALPALE_TH * | ||
13 | ! * | ||
14 | ! * | ||
15 | ! written by : Jean-Yves Grandpeix, 11/05/2016 * | ||
16 | ! modified by : * | ||
17 | ! ************************************************************** | ||
18 | |||
19 | USE dimphy | ||
20 | USE ioipsl_getin_p_mod, ONLY : getin_p | ||
21 | USE print_control_mod, ONLY: mydebug=>debug , lunout, prt_level | ||
22 | ! | ||
23 | IMPLICIT NONE | ||
24 | |||
25 | !================================================================ | ||
26 | ! Auteur(s) : Jean-Yves Grandpeix, 11/05/2016 | ||
27 | ! Objet : Contribution of the thermal scheme to Ale and Alp | ||
28 | !================================================================ | ||
29 | |||
30 | ! Input arguments | ||
31 | !---------------- | ||
32 | REAL, INTENT(IN) :: dtime | ||
33 | REAL, DIMENSION(klon), INTENT(IN) :: cell_area | ||
34 | INTEGER, DIMENSION(klon), INTENT(IN) :: lmax_th | ||
35 | REAL, DIMENSION(klon,klev), INTENT(IN) :: t_seri | ||
36 | REAL, DIMENSION(klon), INTENT(IN) :: ale_bl_stat | ||
37 | REAL, DIMENSION(klon), INTENT(IN) :: cin | ||
38 | REAL, DIMENSION(klon), INTENT(IN) :: s2, n2 | ||
39 | |||
40 | REAL, DIMENSION(klon), INTENT(INOUT) :: ale_bl_trig, ale_bl | ||
41 | REAL, DIMENSION(klon), INTENT(INOUT) :: alp_bl | ||
42 | REAL, DIMENSION(klon), INTENT(INOUT) :: alp_bl_stat | ||
43 | REAL, DIMENSION(klon), INTENT(INOUT) :: proba_notrig | ||
44 | |||
45 | REAL, DIMENSION(klon), INTENT(OUT) :: random_notrig | ||
46 | |||
47 | REAL, DIMENSION(klon), INTENT(OUT) :: birth_rate | ||
48 | |||
49 | include "thermcell.h" | ||
50 | |||
51 | ! Local variables | ||
52 | !---------------- | ||
53 | INTEGER :: i | ||
54 | LOGICAL, SAVE :: first = .TRUE. | ||
55 | REAL, SAVE :: random_notrig_max=1. | ||
56 | REAL, SAVE :: cv_feed_area | ||
57 | REAL :: birth_number | ||
58 | 960 | REAL, DIMENSION(klon) :: ale_bl_ref | |
59 | 480 | REAL, DIMENSION(klon) :: tau_trig | |
60 | ! | ||
61 | !$OMP THREADPRIVATE(random_notrig_max) | ||
62 | !$OMP THREADPRIVATE(cv_feed_area) | ||
63 | !$OMP THREADPRIVATE(first) | ||
64 | ! | ||
65 | REAL umexp ! expression of (1.-exp(-x))/x valid for all x, especially when x->0 | ||
66 | REAL x | ||
67 | CHARACTER (LEN=20) :: modname='alpale_th' | ||
68 | CHARACTER (LEN=80) :: abort_message | ||
69 | |||
70 | umexp(x) = max(sign(1.,x-1.e-3),0.)*(1.-exp(-x))/max(x,1.e-3) + & | ||
71 | (1.-max(sign(1.,x-1.e-3),0.))*(1.-0.5*x*(1.-x/3.*(1.-0.25*x))) !!! correct formula (jyg) | ||
72 | !!! (1.-max(sign(1.,x-1.e-3),0.))*(-0.5*x*(1.-x/3.*(1.-0.25*x))) !!! bug introduced by mistake (jyg) | ||
73 | !!! (1.-max(sign(1.,x-1.e-3),0.))*(1.-0.5*x*(1.-x/3.*(1.-0.25*x))) !!! initial correct formula (jyg) | ||
74 | ! | ||
75 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | ||
76 | ! JYG, 20160513 : Introduction of the Effective Lifting Power (ELP), which | ||
77 | ! takes into account the area (cv_feed_area) covered by thermals contributing | ||
78 | ! to each cumulonimbus. | ||
79 | ! The use of ELP prevents singularities when the trigger probability tends to | ||
80 | ! zero. It is activated by iflag_clos_bl = 3. | ||
81 | ! The ELP values are stored in the ALP_bl variable. | ||
82 | ! | ||
83 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | ||
84 | ! | ||
85 | !! | ||
86 | !! The following 3 lines should be commented if one wants to activate the | ||
87 | !! multiplication of no-trigger probabilities between calls to the convection | ||
88 | !! scheme. | ||
89 | !! | ||
90 |
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477600 | do i=1,klon |
91 | 477600 | proba_notrig(i)=1. | |
92 | enddo | ||
93 | !! | ||
94 | !! | ||
95 | !--------------------------------------- | ||
96 |
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480 | IF (iflag_clos_bl .LT. 3) THEN |
97 | !--------------------------------------- | ||
98 | ! | ||
99 | ! Original code (Nicolas Rochetin) | ||
100 | ! -------------------------------- | ||
101 | |||
102 |
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480 | IF (first) THEN |
103 | 1 | random_notrig_max=1. | |
104 | 1 | CALL getin_p('random_notrig_max',random_notrig_max) | |
105 | 1 | first=.FALSE. | |
106 | ENDIF | ||
107 | !cc nrlmd le 10/04/2012 | ||
108 | !-----------Stochastic triggering----------- | ||
109 |
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480 | if (iflag_trig_bl.ge.1) then |
110 | ! | ||
111 |
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480 | IF (prt_level .GE. 10) THEN |
112 | ✗ | WRITE(lunout,*)'cin, ale_bl_stat, alp_bl, alp_bl_stat ', & | |
113 | ✗ | cin, ale_bl_stat, alp_bl, alp_bl_stat | |
114 | ENDIF | ||
115 | |||
116 | |||
117 | !----Initialisations | ||
118 |
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477600 | do i=1,klon |
119 | !!jyg proba_notrig(i)=1. | ||
120 | 477120 | random_notrig(i)=1e6*ale_bl_stat(i)-int(1e6*ale_bl_stat(i)) | |
121 |
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477120 | if ( random_notrig(i) > random_notrig_max ) random_notrig(i)=0. |
122 |
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477600 | if ( ale_bl_trig(i) .lt. abs(cin(i))+1.e-10 ) then |
123 | 471774 | tau_trig(i)=tau_trig_shallow | |
124 | else | ||
125 | 5346 | tau_trig(i)=tau_trig_deep | |
126 | endif | ||
127 | enddo | ||
128 | ! | ||
129 |
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480 | IF (prt_level .GE. 10) THEN |
130 | ✗ | WRITE(lunout,*)'random_notrig, tau_trig ', & | |
131 | ✗ | random_notrig, tau_trig | |
132 | ✗ | WRITE(lunout,*)'s_trig,s2,n2 ', & | |
133 | ✗ | s_trig,s2,n2 | |
134 | ENDIF | ||
135 | |||
136 | !Option pour re-activer l'ancien calcul de Ale_bl (iflag_trig_bl=2) | ||
137 |
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480 | IF (iflag_trig_bl.eq.1) then |
138 | |||
139 | !----Tirage al\'eatoire et calcul de ale_bl_trig | ||
140 |
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477600 | do i=1,klon |
141 |
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477600 | if ( (ale_bl_stat(i) .gt. abs(cin(i))+1.e-10) ) then |
142 | proba_notrig(i)=proba_notrig(i)* & | ||
143 | 117237 | (1.-exp(-s_trig/s2(i)))**(n2(i)*dtime/tau_trig(i)) | |
144 | ! print *, 'proba_notrig(i) ',proba_notrig(i) | ||
145 |
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117237 | if (random_notrig(i) .ge. proba_notrig(i)) then |
146 | 5375 | ale_bl_trig(i)=ale_bl_stat(i) | |
147 | else | ||
148 | 111862 | ale_bl_trig(i)=0. | |
149 | endif | ||
150 | 117237 | birth_rate(i) = n2(i)*exp(-s_trig/s2(i))/(tau_trig(i)*cell_area(i)) | |
151 | !!! birth_rate(i) = max(birth_rate(i),1.e-18) | ||
152 | else | ||
153 | !!jyg proba_notrig(i)=1. | ||
154 | 359883 | birth_rate(i) = 0. | |
155 | 359883 | random_notrig(i)=0. | |
156 | 359883 | ale_bl_trig(i)=0. | |
157 | endif | ||
158 | enddo | ||
159 | |||
160 | ✗ | ELSE IF (iflag_trig_bl.ge.2) then | |
161 | |||
162 | ✗ | do i=1,klon | |
163 | ✗ | if ( (Ale_bl(i) .gt. abs(cin(i))+1.e-10) ) then | |
164 | proba_notrig(i)=proba_notrig(i)* & | ||
165 | ✗ | (1.-exp(-s_trig/s2(i)))**(n2(i)*dtime/tau_trig(i)) | |
166 | ! print *, 'proba_notrig(i) ',proba_notrig(i) | ||
167 | ✗ | if (random_notrig(i) .ge. proba_notrig(i)) then | |
168 | ✗ | ale_bl_trig(i)=Ale_bl(i) | |
169 | else | ||
170 | ✗ | ale_bl_trig(i)=0. | |
171 | endif | ||
172 | ✗ | birth_rate(i) = n2(i)*exp(-s_trig/s2(i))/(tau_trig(i)*cell_area(i)) | |
173 | !!! birth_rate(i) = max(birth_rate(i),1.e-18) | ||
174 | else | ||
175 | !!jyg proba_notrig(i)=1. | ||
176 | ✗ | birth_rate(i) = 0. | |
177 | ✗ | random_notrig(i)=0. | |
178 | ✗ | ale_bl_trig(i)=0. | |
179 | endif | ||
180 | enddo | ||
181 | |||
182 | ENDIF | ||
183 | |||
184 | ! | ||
185 |
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480 | IF (prt_level .GE. 10) THEN |
186 | ✗ | WRITE(lunout,*)'proba_notrig, ale_bl_trig ', & | |
187 | ✗ | proba_notrig, ale_bl_trig | |
188 | ENDIF | ||
189 | |||
190 | endif !(iflag_trig_bl) | ||
191 | |||
192 | !-----------Statistical closure----------- | ||
193 |
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480 | if (iflag_clos_bl.eq.1) then |
194 | |||
195 |
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196 | !CR: alp probabiliste | ||
197 |
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477600 | if (ale_bl_trig(i).gt.0.) then |
198 | 5375 | alp_bl(i)=alp_bl(i)/(1.-min(proba_notrig(i),0.999)) | |
199 | endif | ||
200 | enddo | ||
201 | |||
202 | ✗ | else if (iflag_clos_bl.eq.2) then | |
203 | |||
204 | !CR: alp calculee dans thermcell_main | ||
205 | ✗ | do i=1,klon | |
206 | ✗ | alp_bl(i)=alp_bl_stat(i) | |
207 | enddo | ||
208 | |||
209 | else | ||
210 | |||
211 | ✗ | alp_bl_stat(:)=0. | |
212 | |||
213 | endif !(iflag_clos_bl) | ||
214 | |||
215 | ! | ||
216 | !--------------------------------------- | ||
217 | ✗ | ELSEIF (iflag_clos_bl .EQ. 3) THEN ! (iflag_clos_bl .LT. 3) | |
218 | !--------------------------------------- | ||
219 | ! | ||
220 | ! New code with Effective Lifting Power | ||
221 | ! ------------------------------------- | ||
222 | ✗ | IF (first) THEN | |
223 | ✗ | cv_feed_area = 1.e10 ! m2 | |
224 | ✗ | CALL getin_p('cv_feed_area', cv_feed_area) | |
225 | ✗ | first=.FALSE. | |
226 | ENDIF | ||
227 | |||
228 | !-----------Stochastic triggering----------- | ||
229 | ✗ | if (iflag_trig_bl.ge.1) then | |
230 | ! | ||
231 | ✗ | IF (prt_level .GE. 10) THEN | |
232 | ✗ | WRITE(lunout,*)'cin, ale_bl_stat, alp_bl_stat ', & | |
233 | ✗ | cin, ale_bl_stat, alp_bl_stat | |
234 | ENDIF | ||
235 | |||
236 | ! Use ale_bl_stat (Rochetin's code) or ale_bl (old code) according to | ||
237 | ! iflag_trig_bl value. | ||
238 | ✗ | IF (iflag_trig_bl.eq.1) then ! use ale_bl_stat (Rochetin computation) | |
239 | ✗ | do i=1,klon | |
240 | ✗ | ale_bl_ref(i)=ale_bl_stat(i) | |
241 | enddo | ||
242 | ✗ | ELSE IF (iflag_trig_bl.ge.2) then ! use ale_bl (old computation) | |
243 | ✗ | do i=1,klon | |
244 | ✗ | ale_bl_ref(i)=Ale_bl(i) | |
245 | enddo | ||
246 | ENDIF ! (iflag_trig_bl.eq.1) | ||
247 | |||
248 | |||
249 | !----Initializations and random number generation | ||
250 | ✗ | do i=1,klon | |
251 | !!jyg proba_notrig(i)=1. | ||
252 | ✗ | random_notrig(i)=1e6*ale_bl_stat(i)-int(1e6*ale_bl_stat(i)) | |
253 | ✗ | if ( ale_bl_trig(i) .lt. abs(cin(i))+1.e-10 ) then | |
254 | ✗ | tau_trig(i)=tau_trig_shallow | |
255 | else | ||
256 | ✗ | tau_trig(i)=tau_trig_deep | |
257 | endif | ||
258 | enddo | ||
259 | ! | ||
260 | ✗ | IF (prt_level .GE. 10) THEN | |
261 | ✗ | WRITE(lunout,*)'random_notrig, tau_trig ', & | |
262 | ✗ | random_notrig, tau_trig | |
263 | ✗ | WRITE(lunout,*)'s_trig,s2,n2 ', & | |
264 | ✗ | s_trig,s2,n2 | |
265 | ENDIF | ||
266 | |||
267 | !----alp_bl computation | ||
268 | ✗ | do i=1,klon | |
269 | ✗ | if ( (ale_bl_ref(i) .gt. abs(cin(i))+1.e-10) ) then | |
270 | ✗ | birth_number = n2(i)*exp(-s_trig/s2(i)) | |
271 | ✗ | birth_rate(i) = birth_number/(tau_trig(i)*cell_area(i)) | |
272 | !!! birth_rate(i) = max(birth_rate(i),1.e-18) | ||
273 | ✗ | proba_notrig(i)=proba_notrig(i)*exp(-birth_number*dtime/tau_trig(i)) | |
274 | Alp_bl(i) = Alp_bl(i)* & | ||
275 | umexp(-birth_number*cv_feed_area/cell_area(i))/ & | ||
276 | umexp(-birth_number*dtime/tau_trig(i))* & | ||
277 | ✗ | tau_trig(i)*cv_feed_area/(dtime*cell_area(i)) | |
278 | else | ||
279 | !!jyg proba_notrig(i)=1. | ||
280 | ✗ | birth_rate(i)=0. | |
281 | ✗ | random_notrig(i)=0. | |
282 | ✗ | alp_bl(i)=0. | |
283 | endif | ||
284 | enddo | ||
285 | |||
286 | !----ale_bl_trig computation | ||
287 | ✗ | do i=1,klon | |
288 | ✗ | if (random_notrig(i) .ge. proba_notrig(i)) then | |
289 | ✗ | ale_bl_trig(i)=ale_bl_ref(i) | |
290 | else | ||
291 | ✗ | ale_bl_trig(i)=0. | |
292 | endif | ||
293 | enddo | ||
294 | |||
295 | ! | ||
296 | ✗ | IF (prt_level .GE. 10) THEN | |
297 | ✗ | WRITE(lunout,*)'proba_notrig, ale_bl_trig ', & | |
298 | ✗ | proba_notrig, ale_bl_trig | |
299 | ENDIF | ||
300 | |||
301 | endif !(iflag_trig_bl .ge. 1) | ||
302 | |||
303 | !--------------------------------------- | ||
304 | ENDIF ! (iflag_clos_bl .LT. 3) | ||
305 | !--------------------------------------- | ||
306 | |||
307 |
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480 | IF (prt_level .GE. 10) THEN |
308 | ✗ | WRITE(lunout,*)'alpale_th: ale_bl_trig, alp_bl_stat, birth_rate ', & | |
309 | ✗ | ale_bl_trig(1), alp_bl_stat(1), birth_rate(1) | |
310 | ENDIF | ||
311 | |||
312 | !cc fin nrlmd le 10/04/2012 | ||
313 | ! | ||
314 | !IM/FH: 2011/02/23 | ||
315 | ! Couplage Thermiques/Emanuel seulement si T<0 | ||
316 |
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480 | if (iflag_coupl==2) then |
317 | ✗ | IF (prt_level .GE. 10) THEN | |
318 | ✗ | WRITE(lunout,*)'Couplage Thermiques/Emanuel seulement si T<0' | |
319 | ENDIF | ||
320 | ✗ | do i=1,klon | |
321 | ✗ | if (t_seri(i,lmax_th(i))>273.) then | |
322 | ✗ | Ale_bl(i)=0. | |
323 | endif | ||
324 | enddo | ||
325 | ! print *,'In order to run with iflag_coupl=2, you have to comment out the following stop' | ||
326 | ! STOP | ||
327 | ✗ | abort_message='In order to run with iflag_coupl=2, you have to comment out the following abort' | |
328 | ✗ | CALL abort_physic(modname,abort_message,1) | |
329 | endif | ||
330 | 480 | RETURN | |
331 | END | ||
332 | |||
333 |