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alpale_th.F90 @ 5111

Last change on this file since 5111 was 5111, checked in by abarral, 4 months ago
Put abort_physic into a module Remove -g option from makelmdz_fcm, since that option is linked to a header file that isn't included anywhere. (lint) light lint on traversed files
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File size: 13.1 KB

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1
2	! $Id: alpale_th.F90 5111 2024-07-24 10:17:33Z abarral $
3
4	SUBROUTINE alpale_th( dtime, lmax_th, t_seri, cell_area, &
5	cin, s2, n2, strig, &
6	ale_bl_trig, ale_bl_stat, ale_bl, &
7	alp_bl, alp_bl_stat, &
8	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	USE lmdz_abort_physic, ONLY: abort_physic
23
24	IMPLICIT NONE
25
26	!================================================================
27	! Auteur(s) : Jean-Yves Grandpeix, 11/05/2016
28	! Objet : Contribution of the thermal scheme to Ale and Alp
29	!================================================================
30
31	! Input arguments
32	!----------------
33	REAL, INTENT(IN) :: dtime
34	REAL, DIMENSION(klon), INTENT(IN) :: cell_area
35	INTEGER, DIMENSION(klon), INTENT(IN) :: lmax_th
36	REAL, DIMENSION(klon,klev), INTENT(IN) :: t_seri
37	REAL, DIMENSION(klon), INTENT(IN) :: ale_bl_stat
38	REAL, DIMENSION(klon), INTENT(IN) :: cin
39	REAL, DIMENSION(klon), INTENT(IN) :: s2, n2, strig
40
41	REAL, DIMENSION(klon), INTENT(INOUT) :: ale_bl_trig, ale_bl
42	REAL, DIMENSION(klon), INTENT(INOUT) :: alp_bl
43	REAL, DIMENSION(klon), INTENT(INOUT) :: alp_bl_stat
44	REAL, DIMENSION(klon), INTENT(INOUT) :: proba_notrig
45
46	REAL, DIMENSION(klon), INTENT(OUT) :: random_notrig
47
48	REAL, DIMENSION(klon), INTENT(OUT) :: birth_rate
49
50	include "alpale.h"
51
52	! Local variables
53	!----------------
54	INTEGER :: i
55	LOGICAL, SAVE :: first = .TRUE.
56	LOGICAL, SAVE :: multiply_proba_notrig = .FALSE.
57	REAL, SAVE :: random_notrig_max=1.
58	REAL, SAVE :: cv_feed_area
59	REAL :: birth_number
60	REAL, DIMENSION(klon) :: ale_bl_ref
61	REAL, DIMENSION(klon) :: tau_trig
62
63	!$OMP THREADPRIVATE(multiply_proba_notrig)
64	!$OMP THREADPRIVATE(random_notrig_max)
65	!$OMP THREADPRIVATE(cv_feed_area)
66	!$OMP THREADPRIVATE(first)
67
68	REAL umexp ! expression of (1.-exp(-x))/x valid for all x, especially when x->0
69	REAL x
70
71	CHARACTER (LEN=20) :: modname='alpale_th'
72	CHARACTER (LEN=80) :: abort_message
73
74	umexp(x) = max(sign(1.,x-1.e-3),0.)*(1.-exp(-x))/max(x,1.e-3) + &
75	(1.-max(sign(1.,x-1.e-3),0.))(1.-0.5x(1.-x/3.(1.-0.25*x))) !!! correct formula (jyg)
76	!!! (1.-max(sign(1.,x-1.e-3),0.))(-0.5x(1.-x/3.(1.-0.25*x))) !!! bug introduced by mistake (jyg)
77	!!! (1.-max(sign(1.,x-1.e-3),0.))(1.-0.5x(1.-x/3.(1.-0.25*x))) !!! initial correct formula (jyg)
78
79	!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
80	! JYG, 20160513 : Introduction of the Effective Lifting Power (ELP), which
81	! takes into account the area (cv_feed_area) covered by thermals contributing
82	! to each cumulonimbus.
83	! The use of ELP prevents singularities when the trigger probability tends to
84	! zero. It is activated by iflag_clos_bl = 3.
85	! The ELP values are stored in the ALP_bl variable.
86
87	!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
88
89	IF (first) THEN
90	CALL getin_p('multiply_proba_notrig',multiply_proba_notrig)
91	IF (iflag_clos_bl < 3) THEN
92	random_notrig_max=1.
93	CALL getin_p('random_notrig_max',random_notrig_max)
94	ELSEIF (iflag_clos_bl == 3) THEN ! (iflag_clos_bl .LT. 3)
95	cv_feed_area = 1.e10 ! m2
96	CALL getin_p('cv_feed_area', cv_feed_area)
97	ENDIF !! (iflag_clos_bl .LT. 3)
98	first=.FALSE.
99	ENDIF
100
101	!!
102	!! Control of the multiplication of no-trigger probabilities between calls
103	!! to the convection scheme. If multiply_proba_notrig is .FALSE., then
104	!! proba_notrig is set to 1 at each CALL to alpale_th, so that only the last CALL
105	!! plays a role in the triggering of convection. If it is .TRUE., then propa_notrig
106	!! is saved between calls to convection and is reset to 1 only after calling the
107	!! convection scheme.
108	!! For instance, if the probability of no_trigger is 0.9 at each call, and if
109	!! there are 3 calls to alpale_th between calls to the convection scheme, then the
110	!! probability of triggering convection will be 0.1 (= 1.-0.9) if
111	!! multiply_proba_notrig is .FALSE. and 0.271 (= 1.-0.9^3) if multiply_proba_notrig
112	!! is .TRUE.
113	!!
114	IF (.NOT.multiply_proba_notrig) THEN
115	DO i=1,klon
116	proba_notrig(i)=1.
117	ENDDO
118	ENDIF !! (.NOT.multiply_proba_notrig)
119	!!
120	!!
121	!---------------------------------------
122	IF (iflag_clos_bl < 3) THEN
123	!---------------------------------------
124
125	! Original code (Nicolas Rochetin)
126	! --------------------------------
127	!cc nrlmd le 10/04/2012
128	!-----------Stochastic triggering-----------
129	if (iflag_trig_bl>=1) then
130
131	IF (prt_level >= 10) THEN
132	WRITE(lunout,*)'cin, ale_bl_stat, alp_bl, alp_bl_stat ', &
133	cin, ale_bl_stat, alp_bl, alp_bl_stat
134	ENDIF
135
136
137	!----Initialisations
138	do i=1,klon
139	!!jyg proba_notrig(i)=1.
140	random_notrig(i)=1e6ale_bl_stat(i)-int(1e6ale_bl_stat(i))
141	if ( random_notrig(i) > random_notrig_max ) random_notrig(i)=0.
142	if ( ale_bl_trig(i) < abs(cin(i))+1.e-10 ) then
143	tau_trig(i)=tau_trig_shallow
144	else
145	tau_trig(i)=tau_trig_deep
146	endif
147	enddo
148
149	IF (prt_level >= 10) THEN
150	WRITE(lunout,*)'random_notrig, tau_trig ', &
151	random_notrig, tau_trig
152	WRITE(lunout,*)'s_trig,s2,n2 ', &
153	s_trig,s2,n2
154	ENDIF
155
156	!Option pour re-activer l'ancien calcul de Ale_bl (iflag_trig_bl=2)
157	IF (iflag_trig_bl==1) then
158
159	!----Tirage al\'eatoire et calcul de ale_bl_trig
160	do i=1,klon
161	if ( (ale_bl_stat(i) > abs(cin(i))+1.e-10) ) then
162	proba_notrig(i)=proba_notrig(i)* &
163	(1.-exp(-strig(i)/s2(i)))*(n2(i)dtime/tau_trig(i))
164	! print *, 'proba_notrig(i) ',proba_notrig(i)
165	if (random_notrig(i) >= proba_notrig(i)) then
166	ale_bl_trig(i)=ale_bl_stat(i)
167	else
168	ale_bl_trig(i)=0.
169	endif
170	birth_rate(i) = n2(i)exp(-strig(i)/s2(i))/(tau_trig(i)cell_area(i))
171	!!! birth_rate(i) = max(birth_rate(i),1.e-18)
172	else
173	!!jyg proba_notrig(i)=1.
174	birth_rate(i) = 0.
175	random_notrig(i)=0.
176	ale_bl_trig(i)=0.
177	endif
178	enddo
179
180	ELSE IF (iflag_trig_bl>=2) then
181
182	do i=1,klon
183	if ( (Ale_bl(i) > abs(cin(i))+1.e-10) ) then
184	proba_notrig(i)=proba_notrig(i)* &
185	(1.-exp(-strig(i)/s2(i)))*(n2(i)dtime/tau_trig(i))
186	! print *, 'proba_notrig(i) ',proba_notrig(i)
187	if (random_notrig(i) >= proba_notrig(i)) then
188	ale_bl_trig(i)=Ale_bl(i)
189	else
190	ale_bl_trig(i)=0.
191	endif
192	birth_rate(i) = n2(i)exp(-strig(i)/s2(i))/(tau_trig(i)cell_area(i))
193	!!! birth_rate(i) = max(birth_rate(i),1.e-18)
194	else
195	!!jyg proba_notrig(i)=1.
196	birth_rate(i) = 0.
197	random_notrig(i)=0.
198	ale_bl_trig(i)=0.
199	endif
200	enddo
201
202	ENDIF
203
204	IF (prt_level >= 10) THEN
205	WRITE(lunout,*)'proba_notrig, ale_bl_trig ', &
206	proba_notrig, ale_bl_trig
207	ENDIF
208
209	endif !(iflag_trig_bl)
210
211	!-----------Statistical closure-----------
212	if (iflag_clos_bl==1) then
213
214	do i=1,klon
215	!CR: alp probabiliste
216	if (ale_bl_trig(i)>0.) then
217	alp_bl(i)=alp_bl(i)/(1.-min(proba_notrig(i),0.999))
218	endif
219	enddo
220
221	else if (iflag_clos_bl==2) then
222
223	!CR: alp calculee dans thermcell_main
224	do i=1,klon
225	alp_bl(i)=alp_bl_stat(i)
226	enddo
227
228	else
229
230	alp_bl_stat(:)=0.
231
232	endif !(iflag_clos_bl)
233
234	!---------------------------------------
235	ELSEIF (iflag_clos_bl == 3) THEN ! (iflag_clos_bl .LT. 3)
236	!---------------------------------------
237
238	! New code with Effective Lifting Power
239	! -------------------------------------
240
241	!-----------Stochastic triggering-----------
242	if (iflag_trig_bl>=1) then
243
244	IF (prt_level >= 10) THEN
245	WRITE(lunout,*)'cin, ale_bl_stat, alp_bl_stat ', &
246	cin, ale_bl_stat, alp_bl_stat
247	ENDIF
248
249	! Use ale_bl_stat (Rochetin's code) or ale_bl (old code) according to
250	! iflag_trig_bl value.
251	IF (iflag_trig_bl==1) then ! use ale_bl_stat (Rochetin computation)
252	do i=1,klon
253	ale_bl_ref(i)=ale_bl_stat(i)
254	enddo
255	ELSE IF (iflag_trig_bl>=2) then ! use ale_bl (old computation)
256	do i=1,klon
257	ale_bl_ref(i)=Ale_bl(i)
258	enddo
259	ENDIF ! (iflag_trig_bl.eq.1)
260
261
262	!----Initializations and random number generation
263	do i=1,klon
264	!!jyg proba_notrig(i)=1.
265	random_notrig(i)=1e6ale_bl_stat(i)-int(1e6ale_bl_stat(i))
266	if ( ale_bl_trig(i) < abs(cin(i))+1.e-10 ) then
267	tau_trig(i)=tau_trig_shallow
268	else
269	tau_trig(i)=tau_trig_deep
270	endif
271	enddo
272
273	IF (prt_level >= 10) THEN
274	WRITE(lunout,*)'random_notrig, tau_trig ', &
275	random_notrig, tau_trig
276	WRITE(lunout,*)'s_trig,s2,n2 ', &
277	s_trig,s2,n2
278	ENDIF
279
280	!----alp_bl computation
281	do i=1,klon
282	if ( (ale_bl_ref(i) > abs(cin(i))+1.e-10) ) then
283	birth_number = n2(i)*exp(-strig(i)/s2(i))
284	birth_rate(i) = birth_number/(tau_trig(i)*cell_area(i))
285	!!! birth_rate(i) = max(birth_rate(i),1.e-18)
286	proba_notrig(i)=proba_notrig(i)exp(-birth_numberdtime/tau_trig(i))
287	Alp_bl(i) = Alp_bl(i)* &
288	umexp(-birth_number*cv_feed_area/cell_area(i))/ &
289	umexp(-birth_numberdtime/tau_trig(i)) &
290	tau_trig(i)cv_feed_area/(dtimecell_area(i))
291	else
292	!!jyg proba_notrig(i)=1.
293	birth_rate(i)=0.
294	random_notrig(i)=0.
295	alp_bl(i)=0.
296	endif
297	enddo
298
299	!----ale_bl_trig computation
300	do i=1,klon
301	if (random_notrig(i) >= proba_notrig(i)) then
302	ale_bl_trig(i)=ale_bl_ref(i)
303	else
304	ale_bl_trig(i)=0.
305	endif
306	enddo
307
308	IF (prt_level >= 10) THEN
309	WRITE(lunout,*)'proba_notrig, ale_bl_trig ', &
310	proba_notrig, ale_bl_trig
311	ENDIF
312
313	endif !(iflag_trig_bl .ge. 1)
314
315	!---------------------------------------
316	ENDIF ! (iflag_clos_bl .LT. 3)
317	!---------------------------------------
318
319	IF (prt_level >= 10) THEN
320	WRITE(lunout,*)'alpale_th: ale_bl_trig, alp_bl_stat, birth_rate ', &
321	ale_bl_trig(1), alp_bl_stat(1), birth_rate(1)
322	ENDIF
323
324	!cc fin nrlmd le 10/04/2012
325
326	!IM/FH: 2011/02/23
327	! Couplage Thermiques/Emanuel seulement si T<0
328	if (iflag_coupl==2) then
329	IF (prt_level >= 10) THEN
330	WRITE(lunout,*)'Couplage Thermiques/Emanuel seulement si T<0'
331	ENDIF
332	do i=1,klon
333	if (t_seri(i,lmax_th(i))>273.) then
334	Ale_bl(i)=0.
335	endif
336	enddo
337	! print *,'In order to run with iflag_coupl=2, you have to comment out the following stop '
338	! STOP
339	abort_message='In order to run with iflag_coupl=2, you have to comment out the following abort'
340	CALL abort_physic(modname,abort_message,1)
341	endif
342	RETURN
343	END
344

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