Context Navigation

alpale_th.F90 @ 5135

Last change on this file since 5135 was 5134, checked in by abarral, 16 months ago
Replace academic.h, alpale.h, comdissip.h, comdissipn.h, comdissnew.h by modules Remove unused clesph0.h
Property svn:keywords set to `Id`
File size: 13.1 KB

Line
1
2	! $Id: alpale_th.F90 5134 2024-07-26 15:56:37Z 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 lmdz_ioipsl_getin_p, ONLY: getin_p
21	USE lmdz_print_control, ONLY: mydebug=>debug , lunout, prt_level
22	USE lmdz_abort_physic, ONLY: abort_physic
23	USE lmdz_alpale
24
25	IMPLICIT NONE
26
27	!================================================================
28	! Auteur(s) : Jean-Yves Grandpeix, 11/05/2016
29	! Objet : Contribution of the thermal scheme to Ale and Alp
30	!================================================================
31
32	! Input arguments
33	!----------------
34	REAL, INTENT(IN) :: dtime
35	REAL, DIMENSION(klon), INTENT(IN) :: cell_area
36	INTEGER, DIMENSION(klon), INTENT(IN) :: lmax_th
37	REAL, DIMENSION(klon,klev), INTENT(IN) :: t_seri
38	REAL, DIMENSION(klon), INTENT(IN) :: ale_bl_stat
39	REAL, DIMENSION(klon), INTENT(IN) :: cin
40	REAL, DIMENSION(klon), INTENT(IN) :: s2, n2, strig
41
42	REAL, DIMENSION(klon), INTENT(INOUT) :: ale_bl_trig, ale_bl
43	REAL, DIMENSION(klon), INTENT(INOUT) :: alp_bl
44	REAL, DIMENSION(klon), INTENT(INOUT) :: alp_bl_stat
45	REAL, DIMENSION(klon), INTENT(INOUT) :: proba_notrig
46
47	REAL, DIMENSION(klon), INTENT(OUT) :: random_notrig
48
49	REAL, DIMENSION(klon), INTENT(OUT) :: birth_rate
50
51	! Local variables
52	!----------------
53	INTEGER :: i
54	LOGICAL, SAVE :: first = .TRUE.
55	LOGICAL, SAVE :: multiply_proba_notrig = .FALSE.
56	REAL, SAVE :: random_notrig_max=1.
57	REAL, SAVE :: cv_feed_area
58	REAL :: birth_number
59	REAL, DIMENSION(klon) :: ale_bl_ref
60	REAL, DIMENSION(klon) :: tau_trig
61
62	!$OMP THREADPRIVATE(multiply_proba_notrig)
63	!$OMP THREADPRIVATE(random_notrig_max)
64	!$OMP THREADPRIVATE(cv_feed_area)
65	!$OMP THREADPRIVATE(first)
66
67	REAL umexp ! expression of (1.-exp(-x))/x valid for all x, especially when x->0
68	REAL x
69
70	CHARACTER (LEN=20) :: modname='alpale_th'
71	CHARACTER (LEN=80) :: abort_message
72
73	umexp(x) = max(sign(1.,x-1.e-3),0.)*(1.-exp(-x))/max(x,1.e-3) + &
74	(1.-max(sign(1.,x-1.e-3),0.))(1.-0.5x(1.-x/3.(1.-0.25*x))) !!! correct formula (jyg)
75	!!! (1.-max(sign(1.,x-1.e-3),0.))(-0.5x(1.-x/3.(1.-0.25*x))) !!! bug introduced by mistake (jyg)
76	!!! (1.-max(sign(1.,x-1.e-3),0.))(1.-0.5x(1.-x/3.(1.-0.25*x))) !!! initial correct formula (jyg)
77
78	!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
79	! JYG, 20160513 : Introduction of the Effective Lifting Power (ELP), which
80	! takes into account the area (cv_feed_area) covered by thermals contributing
81	! to each cumulonimbus.
82	! The use of ELP prevents singularities when the trigger probability tends to
83	! zero. It is activated by iflag_clos_bl = 3.
84	! The ELP values are stored in the ALP_bl variable.
85
86	!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
87
88	IF (first) THEN
89	CALL getin_p('multiply_proba_notrig',multiply_proba_notrig)
90	IF (iflag_clos_bl < 3) THEN
91	random_notrig_max=1.
92	CALL getin_p('random_notrig_max',random_notrig_max)
93	ELSEIF (iflag_clos_bl == 3) THEN ! (iflag_clos_bl .LT. 3)
94	cv_feed_area = 1.e10 ! m2
95	CALL getin_p('cv_feed_area', cv_feed_area)
96	ENDIF !! (iflag_clos_bl .LT. 3)
97	first=.FALSE.
98	ENDIF
99
100	!!
101	!! Control of the multiplication of no-trigger probabilities between calls
102	!! to the convection scheme. If multiply_proba_notrig is .FALSE., THEN
103	!! proba_notrig is set to 1 at each CALL to alpale_th, so that only the last CALL
104	!! plays a role in the triggering of convection. If it is .TRUE., then propa_notrig
105	!! is saved between calls to convection and is reset to 1 only after calling the
106	!! convection scheme.
107	!! For instance, if the probability of no_trigger is 0.9 at each call, and if
108	!! there are 3 calls to alpale_th between calls to the convection scheme, then the
109	!! probability of triggering convection will be 0.1 (= 1.-0.9) if
110	!! multiply_proba_notrig is .FALSE. and 0.271 (= 1.-0.9^3) if multiply_proba_notrig
111	!! is .TRUE.
112	!!
113	IF (.NOT.multiply_proba_notrig) THEN
114	DO i=1,klon
115	proba_notrig(i)=1.
116	ENDDO
117	ENDIF !! (.NOT.multiply_proba_notrig)
118	!!
119	!!
120	!---------------------------------------
121	IF (iflag_clos_bl < 3) THEN
122	!---------------------------------------
123
124	! Original code (Nicolas Rochetin)
125	! --------------------------------
126	!cc nrlmd le 10/04/2012
127	!-----------Stochastic triggering-----------
128	IF (iflag_trig_bl>=1) THEN
129	IF (prt_level >= 10) THEN
130	WRITE(lunout,*)'cin, ale_bl_stat, alp_bl, alp_bl_stat ', &
131	cin, ale_bl_stat, alp_bl, alp_bl_stat
132	ENDIF
133
134
135	!----Initialisations
136	do i=1,klon
137	!!jyg proba_notrig(i)=1.
138	random_notrig(i)=1e6ale_bl_stat(i)-int(1e6ale_bl_stat(i))
139	IF ( random_notrig(i) > random_notrig_max ) random_notrig(i)=0.
140	IF ( ale_bl_trig(i) < abs(cin(i))+1.e-10 ) THEN
141	tau_trig(i)=tau_trig_shallow
142	else
143	tau_trig(i)=tau_trig_deep
144	endif
145	enddo
146
147	IF (prt_level >= 10) THEN
148	WRITE(lunout,*)'random_notrig, tau_trig ', &
149	random_notrig, tau_trig
150	WRITE(lunout,*)'s_trig,s2,n2 ', &
151	s_trig,s2,n2
152	ENDIF
153
154	!Option pour re-activer l'ancien calcul de Ale_bl (iflag_trig_bl=2)
155	IF (iflag_trig_bl==1) THEN
156	!----Tirage al\'eatoire et calcul de ale_bl_trig
157	do i=1,klon
158	IF ( (ale_bl_stat(i) > abs(cin(i))+1.e-10) ) THEN
159	proba_notrig(i)=proba_notrig(i)* &
160	(1.-exp(-strig(i)/s2(i)))*(n2(i)dtime/tau_trig(i))
161	! print *, 'proba_notrig(i) ',proba_notrig(i)
162	IF (random_notrig(i) >= proba_notrig(i)) THEN
163	ale_bl_trig(i)=ale_bl_stat(i)
164	else
165	ale_bl_trig(i)=0.
166	endif
167	birth_rate(i) = n2(i)exp(-strig(i)/s2(i))/(tau_trig(i)cell_area(i))
168	!!! birth_rate(i) = max(birth_rate(i),1.e-18)
169	else
170	!!jyg proba_notrig(i)=1.
171	birth_rate(i) = 0.
172	random_notrig(i)=0.
173	ale_bl_trig(i)=0.
174	endif
175	enddo
176
177	ELSE IF (iflag_trig_bl>=2) THEN
178	do i=1,klon
179	IF ( (Ale_bl(i) > abs(cin(i))+1.e-10) ) THEN
180	proba_notrig(i)=proba_notrig(i)* &
181	(1.-exp(-strig(i)/s2(i)))*(n2(i)dtime/tau_trig(i))
182	! print *, 'proba_notrig(i) ',proba_notrig(i)
183	IF (random_notrig(i) >= proba_notrig(i)) THEN
184	ale_bl_trig(i)=Ale_bl(i)
185	else
186	ale_bl_trig(i)=0.
187	endif
188	birth_rate(i) = n2(i)exp(-strig(i)/s2(i))/(tau_trig(i)cell_area(i))
189	!!! birth_rate(i) = max(birth_rate(i),1.e-18)
190	else
191	!!jyg proba_notrig(i)=1.
192	birth_rate(i) = 0.
193	random_notrig(i)=0.
194	ale_bl_trig(i)=0.
195	endif
196	enddo
197
198	ENDIF
199
200	IF (prt_level >= 10) THEN
201	WRITE(lunout,*)'proba_notrig, ale_bl_trig ', &
202	proba_notrig, ale_bl_trig
203	ENDIF
204
205	endif !(iflag_trig_bl)
206
207	!-----------Statistical closure-----------
208	IF (iflag_clos_bl==1) THEN
209	do i=1,klon
210	!CR: alp probabiliste
211	IF (ale_bl_trig(i)>0.) THEN
212	alp_bl(i)=alp_bl(i)/(1.-min(proba_notrig(i),0.999))
213	endif
214	enddo
215
216	ELSE IF (iflag_clos_bl==2) THEN
217	!CR: alp calculee dans thermcell_main
218	do i=1,klon
219	alp_bl(i)=alp_bl_stat(i)
220	enddo
221
222	else
223
224	alp_bl_stat(:)=0.
225
226	endif !(iflag_clos_bl)
227
228	!---------------------------------------
229	ELSEIF (iflag_clos_bl == 3) THEN ! (iflag_clos_bl .LT. 3)
230	!---------------------------------------
231
232	! New code with Effective Lifting Power
233	! -------------------------------------
234
235	!-----------Stochastic triggering-----------
236	IF (iflag_trig_bl>=1) THEN
237	IF (prt_level >= 10) THEN
238	WRITE(lunout,*)'cin, ale_bl_stat, alp_bl_stat ', &
239	cin, ale_bl_stat, alp_bl_stat
240	ENDIF
241
242	! Use ale_bl_stat (Rochetin's code) or ale_bl (old code) according to
243	! iflag_trig_bl value.
244	IF (iflag_trig_bl==1) then ! use ale_bl_stat (Rochetin computation)
245	do i=1,klon
246	ale_bl_ref(i)=ale_bl_stat(i)
247	enddo
248	ELSE IF (iflag_trig_bl>=2) then ! use ale_bl (old computation)
249	do i=1,klon
250	ale_bl_ref(i)=Ale_bl(i)
251	enddo
252	ENDIF ! (iflag_trig_bl.EQ.1)
253
254
255	!----Initializations and random number generation
256	do i=1,klon
257	!!jyg proba_notrig(i)=1.
258	random_notrig(i)=1e6ale_bl_stat(i)-int(1e6ale_bl_stat(i))
259	IF ( ale_bl_trig(i) < abs(cin(i))+1.e-10 ) THEN
260	tau_trig(i)=tau_trig_shallow
261	else
262	tau_trig(i)=tau_trig_deep
263	endif
264	enddo
265
266	IF (prt_level >= 10) THEN
267	WRITE(lunout,*)'random_notrig, tau_trig ', &
268	random_notrig, tau_trig
269	WRITE(lunout,*)'s_trig,s2,n2 ', &
270	s_trig,s2,n2
271	ENDIF
272
273	!----alp_bl computation
274	do i=1,klon
275	IF ( (ale_bl_ref(i) > abs(cin(i))+1.e-10) ) THEN
276	birth_number = n2(i)*exp(-strig(i)/s2(i))
277	birth_rate(i) = birth_number/(tau_trig(i)*cell_area(i))
278	!!! birth_rate(i) = max(birth_rate(i),1.e-18)
279	proba_notrig(i)=proba_notrig(i)exp(-birth_numberdtime/tau_trig(i))
280	Alp_bl(i) = Alp_bl(i)* &
281	umexp(-birth_number*cv_feed_area/cell_area(i))/ &
282	umexp(-birth_numberdtime/tau_trig(i)) &
283	tau_trig(i)cv_feed_area/(dtimecell_area(i))
284	else
285	!!jyg proba_notrig(i)=1.
286	birth_rate(i)=0.
287	random_notrig(i)=0.
288	alp_bl(i)=0.
289	endif
290	enddo
291
292	!----ale_bl_trig computation
293	do i=1,klon
294	IF (random_notrig(i) >= proba_notrig(i)) THEN
295	ale_bl_trig(i)=ale_bl_ref(i)
296	else
297	ale_bl_trig(i)=0.
298	endif
299	enddo
300
301	IF (prt_level >= 10) THEN
302	WRITE(lunout,*)'proba_notrig, ale_bl_trig ', &
303	proba_notrig, ale_bl_trig
304	ENDIF
305
306	endif !(iflag_trig_bl .ge. 1)
307
308	!---------------------------------------
309	ENDIF ! (iflag_clos_bl .LT. 3)
310	!---------------------------------------
311
312	IF (prt_level >= 10) THEN
313	WRITE(lunout,*)'alpale_th: ale_bl_trig, alp_bl_stat, birth_rate ', &
314	ale_bl_trig(1), alp_bl_stat(1), birth_rate(1)
315	ENDIF
316
317	!cc fin nrlmd le 10/04/2012
318
319	!IM/FH: 2011/02/23
320	! Couplage Thermiques/Emanuel seulement si T<0
321	IF (iflag_coupl==2) THEN
322	IF (prt_level >= 10) THEN
323	WRITE(lunout,*)'Couplage Thermiques/Emanuel seulement si T<0'
324	ENDIF
325	do i=1,klon
326	IF (t_seri(i,lmax_th(i))>273.) THEN
327	Ale_bl(i)=0.
328	endif
329	enddo
330	! print *,'In order to run with iflag_coupl=2, you have to comment out the following stop '
331	! STOP
332	abort_message='In order to run with iflag_coupl=2, you have to comment out the following abort'
333	CALL abort_physic(modname,abort_message,1)
334	endif
335	RETURN
336	END
337

Note: See TracBrowser for help on using the repository browser.

Download in other formats:

Original Format