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initracer.F @ 1292

Last change on this file since 1292 was 1266, checked in by aslmd, 11 years ago

LMDZ.MARS
IMPORTANT CHANGE

Remove all reference/use of nlayermx and dimphys.h
Made use of automatic arrays whenever arrays are needed with dimension nlayer
Remove lots of obsolete reference to dimensions.h
Converted iono.h and param_v4.h into corresponding modules

(with embedded subroutine to allocate arrays)
(no arrays allocated if thermosphere not used)

Deleted param.h and put contents into module param_v4_h
Adapted testphys1d, newstart, etc...
Made DATA arrays in param_read to be initialized by subroutine

fill_data_thermos in module param_v4_h

Optimized computations in paramfoto_compact (twice less dlog10 calculations)
Checked consistency before/after modification in debug mode
Checked performance is not impacted (same as before)

File size: 21.2 KB

Line
1	SUBROUTINE initracer(ngrid,nq,qsurf)
2
3	#ifndef MESOSCALE
4	use infotrac, only: tname
5	#endif
6	use tracer_mod
7	USE comcstfi_h
8	IMPLICIT NONE
9	c=======================================================================
10	c subject:
11	c --------
12	c Initialization related to tracer
13	c (transported dust, water, chemical species, ice...)
14	c
15	c Name of the tracer
16	c
17	c Test of dimension :
18	c Initialize tracer related data in tracer_mod, using tracer names provided
19	c by the dynamics in "infotrac"
20	c
21	c
22	c author: F.Forget
23	c ------
24	c Modifs: Franck Montmessin, Sebastien Lebonnois (june 2003)
25	c Ehouarn Millour (oct. 2008) identify tracers by their names
26	c=======================================================================
27
28
29	#include "callkeys.h"
30
31	integer,intent(in) :: ngrid ! number of atmospheric columns
32	integer,intent(in) :: nq ! number of tracers
33	real,intent(out) :: qsurf(ngrid,nq) ! tracer on surface (e.g. kg.m-2)
34
35	integer iq,ig,count
36	real r0_lift , reff_lift, nueff_lift
37	c Ratio of small over large dust particles (used when both
38	c doubleq and the submicron mode are active); In Montmessin
39	c et al. (2002), a value of 25 has been deduced;
40	real, parameter :: popratio = 25.
41	character(len=20) :: txt ! to store some text
42
43	c-----------------------------------------------------------------------
44	c radius(nq) ! aerosol particle radius (m)
45	c rho_q(nq) ! tracer densities (kg.m-3)
46	c alpha_lift(nq) ! saltation vertical flux/horiz flux ratio (m-1)
47	c alpha_devil(nq) ! lifting coeeficient by dust devil
48	c rho_dust ! Mars dust density
49	c rho_ice ! Water ice density
50	c nuice_ref ! Effective variance nueff of the
51	c ! water-ice size distributions
52	c doubleq ! if method with mass (iq=1) and number(iq=2) mixing ratio
53	c varian ! Characteristic variance of log-normal distribution
54	c-----------------------------------------------------------------------
55
56	! Initialization: allocate arrays in tracer_mod
57	allocate(mmol(nq))
58	allocate(radius(nq))
59	allocate(rho_q(nq))
60	allocate(alpha_lift(nq))
61	allocate(alpha_devil(nq))
62	allocate(igcm_dustbin(nq))
63	allocate(nqdust(nq))
64
65	#ifndef MESOSCALE
66	allocate(noms(nq))
67	! Initialization: get tracer names from the dynamics and check if we are
68	! using 'old' tracer convention ('q01',q02',...)
69	! or new convention (full tracer names)
70	! check if tracers have 'old' names
71	count=0
72	do iq=1,nq
73	txt=" "
74	write(txt,'(a1,i2.2)') 'q',iq
75	if (txt.eq.tname(iq)) then
76	count=count+1
77	endif
78	enddo ! of do iq=1,nq
79
80	if (count.eq.nq) then
81	write(,) "initracer: tracers seem to follow old naming ",
82	& "convention (q01,q02,...)"
83	write(,) "you should run newstart to rename them"
84	stop
85	endif
86
87	! copy tracer names from dynamics
88	do iq=1,nq
89	noms(iq)=tname(iq)
90	enddo
91	#endif
92
93	c------------------------------------------------------------
94	c NAME and molar mass of the tracer
95	c------------------------------------------------------------
96
97	! Identify tracers by their names: (and set corresponding values of mmol)
98	! 0. initialize tracer indexes to zero:
99	igcm_dustbin(1:nq)=0
100
101	igcm_dust_mass=0
102	igcm_dust_number=0
103	igcm_ccn_mass=0
104	igcm_ccn_number=0
105	igcm_dust_submicron=0
106	igcm_h2o_vap=0
107	igcm_h2o_ice=0
108	igcm_co2=0
109	igcm_co=0
110	igcm_o=0
111	igcm_o1d=0
112	igcm_o2=0
113	igcm_o3=0
114	igcm_h=0
115	igcm_h2=0
116	igcm_oh=0
117	igcm_ho2=0
118	igcm_h2o2=0
119	igcm_ch4=0
120	igcm_n2=0
121	igcm_ar=0
122	igcm_ar_n2=0
123	igcm_n=0
124	igcm_no=0
125	igcm_no2=0
126	igcm_n2d=0
127	igcm_co2plus=0
128	igcm_oplus=0
129	igcm_o2plus=0
130	igcm_coplus=0
131	igcm_cplus=0
132	igcm_nplus=0
133	igcm_noplus=0
134	igcm_n2plus=0
135	igcm_hplus=0
136	igcm_hco2plus=0
137	igcm_elec=0
138
139	! 1. find dust tracers
140	count=0
141	if (dustbin.gt.0) then
142	do iq=1,nq
143	txt=" "
144	write(txt,'(a4,i2.2)')'dust',count+1
145	if (noms(iq).eq.txt) then
146	count=count+1
147	igcm_dustbin(count)=iq
148	mmol(iq)=100.
149	endif
150	enddo !do iq=1,nq
151	endif ! of if (dustbin.gt.0)
152	if (doubleq) then
153	do iq=1,nq
154	if (noms(iq).eq."dust_mass") then
155	igcm_dust_mass=iq
156	count=count+1
157	endif
158	if (noms(iq).eq."dust_number") then
159	igcm_dust_number=iq
160	count=count+1
161	endif
162	enddo
163	endif ! of if (doubleq)
164	if (microphys) then
165	do iq=1,nq
166	if (noms(iq).eq."ccn_mass") then
167	igcm_ccn_mass=iq
168	count=count+1
169	endif
170	if (noms(iq).eq."ccn_number") then
171	igcm_ccn_number=iq
172	count=count+1
173	endif
174	enddo
175	endif ! of if (microphys)
176	if (submicron) then
177	do iq=1,nq
178	if (noms(iq).eq."dust_submicron") then
179	igcm_dust_submicron=iq
180	mmol(iq)=100.
181	count=count+1
182	endif
183	enddo
184	endif ! of if (submicron)
185	! 2. find chemistry and water tracers
186	do iq=1,nq
187	if (noms(iq).eq."co2") then
188	igcm_co2=iq
189	mmol(igcm_co2)=44.
190	count=count+1
191	endif
192	if (noms(iq).eq."co") then
193	igcm_co=iq
194	mmol(igcm_co)=28.
195	count=count+1
196	endif
197	if (noms(iq).eq."o") then
198	igcm_o=iq
199	mmol(igcm_o)=16.
200	count=count+1
201	endif
202	if (noms(iq).eq."o1d") then
203	igcm_o1d=iq
204	mmol(igcm_o1d)=16.
205	count=count+1
206	endif
207	if (noms(iq).eq."o2") then
208	igcm_o2=iq
209	mmol(igcm_o2)=32.
210	count=count+1
211	endif
212	if (noms(iq).eq."o3") then
213	igcm_o3=iq
214	mmol(igcm_o3)=48.
215	count=count+1
216	endif
217	if (noms(iq).eq."h") then
218	igcm_h=iq
219	mmol(igcm_h)=1.
220	count=count+1
221	endif
222	if (noms(iq).eq."h2") then
223	igcm_h2=iq
224	mmol(igcm_h2)=2.
225	count=count+1
226	endif
227	if (noms(iq).eq."oh") then
228	igcm_oh=iq
229	mmol(igcm_oh)=17.
230	count=count+1
231	endif
232	if (noms(iq).eq."ho2") then
233	igcm_ho2=iq
234	mmol(igcm_ho2)=33.
235	count=count+1
236	endif
237	if (noms(iq).eq."h2o2") then
238	igcm_h2o2=iq
239	mmol(igcm_h2o2)=34.
240	count=count+1
241	endif
242	if (noms(iq).eq."n2") then
243	igcm_n2=iq
244	mmol(igcm_n2)=28.
245	count=count+1
246	endif
247	if (noms(iq).eq."ch4") then
248	igcm_ch4=iq
249	mmol(igcm_ch4)=16.
250	count=count+1
251	endif
252	if (noms(iq).eq."ar") then
253	igcm_ar=iq
254	mmol(igcm_ar)=40.
255	count=count+1
256	endif
257	if (noms(iq).eq."n") then
258	igcm_n=iq
259	mmol(igcm_n)=14.
260	count=count+1
261	endif
262	if (noms(iq).eq."no") then
263	igcm_no=iq
264	mmol(igcm_no)=30.
265	count=count+1
266	endif
267	if (noms(iq).eq."no2") then
268	igcm_no2=iq
269	mmol(igcm_no2)=46.
270	count=count+1
271	endif
272	if (noms(iq).eq."n2d") then
273	igcm_n2d=iq
274	mmol(igcm_n2d)=28.
275	count=count+1
276	endif
277	if (noms(iq).eq."co2plus") then
278	igcm_co2plus=iq
279	mmol(igcm_co2plus)=44.
280	count=count+1
281	endif
282	if (noms(iq).eq."oplus") then
283	igcm_oplus=iq
284	mmol(igcm_oplus)=16.
285	count=count+1
286	endif
287	if (noms(iq).eq."o2plus") then
288	igcm_o2plus=iq
289	mmol(igcm_o2plus)=32.
290	count=count+1
291	endif
292	if (noms(iq).eq."coplus") then
293	igcm_coplus=iq
294	mmol(igcm_coplus)=28.
295	count=count+1
296	endif
297	if (noms(iq).eq."cplus") then
298	igcm_cplus=iq
299	mmol(igcm_cplus)=12.
300	count=count+1
301	endif
302	if (noms(iq).eq."nplus") then
303	igcm_nplus=iq
304	mmol(igcm_nplus)=14.
305	count=count+1
306	endif
307	if (noms(iq).eq."noplus") then
308	igcm_noplus=iq
309	mmol(igcm_noplus)=30.
310	count=count+1
311	endif
312	if (noms(iq).eq."n2plus") then
313	igcm_n2plus=iq
314	mmol(igcm_n2plus)=28.
315	count=count+1
316	endif
317	if (noms(iq).eq."hplus") then
318	igcm_hplus=iq
319	mmol(igcm_hplus)=1.
320	count=count+1
321	endif
322	if (noms(iq).eq."hco2plus") then
323	igcm_hco2plus=iq
324	mmol(igcm_hco2plus)=45.
325	count=count+1
326	endif
327	if (noms(iq).eq."elec") then
328	igcm_elec=iq
329	mmol(igcm_elec)=1./1822.89
330	count=count+1
331	endif
332	if (noms(iq).eq."h2o_vap") then
333	igcm_h2o_vap=iq
334	mmol(igcm_h2o_vap)=18.
335	count=count+1
336	endif
337	if (noms(iq).eq."h2o_ice") then
338	igcm_h2o_ice=iq
339	mmol(igcm_h2o_ice)=18.
340	count=count+1
341	endif
342	! Other stuff: e.g. for simulations using co2 + neutral gaz
343	if (noms(iq).eq."Ar_N2") then
344	igcm_ar_n2=iq
345	mmol(igcm_ar_n2)=30.
346	count=count+1
347	endif
348
349	enddo ! of do iq=1,nq
350
351	! check that we identified all tracers:
352	if (count.ne.nq) then
353	write(,) "initracer: found only ",count," tracers"
354	write(,) " expected ",nq
355	do iq=1,count
356	write(,)' ',iq,' ',trim(noms(iq))
357	enddo
358	stop
359	else
360	write(,) "initracer: found all expected tracers, namely:"
361	do iq=1,nq
362	write(,)' ',iq,' ',trim(noms(iq))
363	enddo
364	endif
365
366	! if water cycle but iceparty=.false., there will nevertheless be
367	! water ice at the surface (iceparty is not used anymore, but this
368	! part is still relevant, as we want to stay compatible with the
369	! older versions).
370	if (water.and.(igcm_h2o_ice.eq.0)) then
371	igcm_h2o_ice=igcm_h2o_vap ! so that qsurf(i_h2o_ice) is identified
372	! even though there is no q(i_h2o_ice)
373	else
374	! surface ice qsurf(i_h2o_ice) was loaded twice by phyetat0,
375	! as qsurf(i_h2o_vap) & as qsurf(i_h2o_ice), so to be clean:
376	if (igcm_h2o_vap.ne.0) then
377	qsurf(1:ngrid,igcm_h2o_vap)=0
378	endif
379	endif
380
381	c------------------------------------------------------------
382	c Initialize tracers .... (in tracer_mod)
383	c------------------------------------------------------------
384	! start by setting everything to (default) zero
385	rho_q(1:nq)=0 ! tracer density (kg.m-3)
386	radius(1:nq)=0. ! tracer particle radius (m)
387	alpha_lift(1:nq) =0. ! tracer saltation vertical flux/horiz flux ratio (m-1)
388	alpha_devil(1:nq)=0. ! tracer lifting coefficient by dust devils
389
390
391	! some reference values
392	rho_dust=2500. ! Mars dust density (kg.m-3)
393	rho_ice=920. ! Water ice density (kg.m-3)
394	nuice_ref=0.1 ! Effective variance nueff of the
395	! water-ice size distribution
396	!!!nuice_sed=0.45 ! Sedimentation effective variance
397	! of the water-ice size distribution
398
399	if (doubleq) then
400	c "doubleq" technique
401	c -------------------
402	c (transport of mass and number mixing ratio)
403	c iq=1: Q mass mixing ratio, iq=2: N number mixing ratio
404
405	if( (nq.lt.2).or.(water.and.(nq.lt.4)) ) then
406	write(,)'initracer: nq is too low : nq=', nq
407	write(,)'water= ',water,' doubleq= ',doubleq
408	end if
409
410	nueff_lift = 0.5
411	varian=sqrt(log(1.+nueff_lift))
412
413	rho_q(igcm_dust_mass)=rho_dust
414	rho_q(igcm_dust_number)=rho_dust
415
416	c Intermediate calcul for computing geometric mean radius r0
417	c as a function of mass and number mixing ratio Q and N
418	c (r0 = (r3n_q * Q/ N)^(1/3))
419	r3n_q = exp(-4.5varian2)(3./4.)/(pi*rho_dust)
420
421	c Intermediate calcul for computing effective radius reff
422	c from geometric mean radius r0
423	c (reff = ref_r0 * r0)
424	ref_r0 = exp(2.5varian*2)
425
426	c lifted dust :
427	c '''''''''''
428	reff_lift = 3.0e-6 !3.e-6 !Effective radius of lifted dust (m)
429	alpha_devil(igcm_dust_mass)=9.e-9 ! dust devil lift mass coeff
430	c alpha_lift(igcm_dust_mass)=3.0e-15 ! Lifted mass coeff
431	alpha_lift(igcm_dust_mass)=1.e-6 !1.e-6 !Lifted mass coeff
432
433	r0_lift = reff_lift/ref_r0
434	alpha_devil(igcm_dust_number)=r3n_q*
435	& alpha_devil(igcm_dust_mass)/r0_lift**3
436	alpha_lift(igcm_dust_number)=r3n_q*
437	& alpha_lift(igcm_dust_mass)/r0_lift**3
438
439	radius(igcm_dust_mass) = reff_lift
440	radius(igcm_dust_number) = reff_lift
441
442	write(,) "initracer: doubleq_param reff_lift:", reff_lift
443	write(,) "initracer: doubleq_param nueff_lift:", nueff_lift
444	write(,) "initracer: doubleq_param alpha_lift:",
445	& alpha_lift(igcm_dust_mass)
446	else
447
448	! initialize varian, which may be used (e.g. by surfacearea)
449	! even with conrath dust
450	nueff_lift = 0.5
451	varian=sqrt(log(1.+nueff_lift))
452
453	if (dustbin.gt.1) then
454	print*,'initracer: STOP!',
455	$ ' properties of dust need to be set in initracer !!!'
456	stop
457
458	else if (dustbin.eq.1) then
459
460	c This will be used for 1 dust particle size:
461	c ------------------------------------------
462	radius(igcm_dustbin(1))=3.e-6
463	alpha_lift(igcm_dustbin(1))=0.0e-6
464	alpha_devil(igcm_dustbin(1))=7.65e-9
465	rho_q(igcm_dustbin(1))=rho_dust
466
467	endif
468	end if ! (doubleq)
469
470
471	c Scavenging of dust particles by H2O clouds:
472	c ------------------------------------------
473	c Initialize the two tracers used for the CCNs
474	if (water.AND.doubleq.AND.scavenging) then
475	radius(igcm_ccn_mass) = radius(igcm_dust_mass)
476	alpha_lift(igcm_ccn_mass) = 1e-30
477	alpha_devil(igcm_ccn_mass) = 1e-30
478	rho_q(igcm_ccn_mass) = rho_dust
479
480	radius(igcm_ccn_number) = radius(igcm_ccn_mass)
481	alpha_lift(igcm_ccn_number) = alpha_lift(igcm_ccn_mass)
482	alpha_devil(igcm_ccn_number) = alpha_devil(igcm_ccn_mass)
483	rho_q(igcm_ccn_number) = rho_q(igcm_ccn_mass)
484	endif ! of if (water.AND.doubleq.AND.scavenging)
485
486	c Submicron dust mode:
487	c --------------------
488
489	if (submicron) then
490	radius(igcm_dust_submicron)=0.1e-6
491	rho_q(igcm_dust_submicron)=rho_dust
492	if (doubleq) then
493	c If doubleq is also active, we use the population ratio:
494	alpha_lift(igcm_dust_submicron) =
495	& alpha_lift(igcm_dust_number)popratio
496	& rho_q(igcm_dust_submicron)4./3.pi*
497	& radius(igcm_dust_submicron)**3.
498	alpha_devil(igcm_dust_submicron)=1.e-30
499	else
500	alpha_lift(igcm_dust_submicron)=1e-6
501	alpha_devil(igcm_dust_submicron)=1.e-30
502	endif ! (doubleq)
503	end if ! (submicron)
504
505	c Initialization for water vapor
506	c ------------------------------
507	if(water) then
508	radius(igcm_h2o_vap)=0.
509	alpha_lift(igcm_h2o_vap) =0.
510	alpha_devil(igcm_h2o_vap)=0.
511	if(water.and.(nq.ge.2)) then
512	radius(igcm_h2o_ice)=3.e-6
513	rho_q(igcm_h2o_ice)=rho_ice
514	alpha_lift(igcm_h2o_ice) =0.
515	alpha_devil(igcm_h2o_ice)=0.
516	elseif(water.and.(nq.lt.2)) then
517	write(,) 'nq is too low : nq=', nq
518	write(,) 'water= ',water
519	endif
520
521	end if ! (water)
522
523	c Output for records:
524	c ~~~~~~~~~~~~~~~~~~
525	write(,)
526	Write(,) '******** initracer : dust transport parameters :'
527	write(,) 'alpha_lift = ', alpha_lift
528	write(,) 'alpha_devil = ', alpha_devil
529	write(,) 'radius = ', radius
530	if(doubleq) then
531	write(,) 'reff_lift (um) = ', reff_lift
532	write(,) 'size distribution variance = ', varian
533	write(,) 'r3n_q , ref_r0 : ', r3n_q , ref_r0
534	end if
535
536	!
537	! some extra (possibly redundant) sanity checks for tracers:
538	! ---------------------------------------------------------
539
540	if (doubleq) then
541	! verify that we indeed have dust_mass and dust_number tracers
542	if (igcm_dust_mass.eq.0) then
543	write(,) "initracer: error !!"
544	write(,) " cannot use doubleq option without ",
545	& "a dust_mass tracer !"
546	stop
547	endif
548	if (igcm_dust_number.eq.0) then
549	write(,) "initracer: error !!"
550	write(,) " cannot use doubleq option without ",
551	& "a dust_number tracer !"
552	stop
553	endif
554	endif
555
556	if ((.not.doubleq).and.(dustbin.gt.0)) then
557	! verify that we indeed have 'dustbin' dust tracers
558	count=0
559	do iq=1,dustbin
560	if (igcm_dustbin(iq).ne.0) then
561	count=count+1
562	endif
563	enddo
564	if (count.ne.dustbin) then
565	write(,) "initracer: error !!"
566	write(,) " dusbin is set to ",dustbin,
567	& " but we only have the following dust tracers:"
568	do iq=1,count
569	write(,)" ",trim(noms(igcm_dustbin(iq)))
570	enddo
571	stop
572	endif
573	endif
574
575	if (water) then
576	! verify that we indeed have h2o_vap and h2o_ice tracers
577	if (igcm_h2o_vap.eq.0) then
578	write(,) "initracer: error !!"
579	write(,) " cannot use water option without ",
580	& "an h2o_vap tracer !"
581	stop
582	endif
583	if (igcm_h2o_ice.eq.0) then
584	write(,) "initracer: error !!"
585	write(,) " cannot use water option without ",
586	& "an h2o_ice tracer !"
587	stop
588	endif
589	endif
590
591	if (scavenging) then
592	! verify that we indeed have ccn_mass and ccn_number tracers
593	if (igcm_ccn_mass.eq.0) then
594	write(,) "initracer: error !!"
595	write(,) " cannot use scavenging option without ",
596	& "a ccn_mass tracer !"
597	stop
598	endif
599	if (igcm_ccn_number.eq.0) then
600	write(,) "initracer: error !!"
601	write(,) " cannot use scavenging option without ",
602	& "a ccn_number tracer !"
603	stop
604	endif
605	endif ! of if (scavenging)
606
607	if (photochem .or. callthermos) then
608	! verify that we indeed have the chemistry tracers
609	if (igcm_co2.eq.0) then
610	write(,) "initracer: error !!"
611	write(,) " cannot use chemistry option without ",
612	& "a co2 tracer !"
613	stop
614	endif
615	if (igcm_co.eq.0) then
616	write(,) "initracer: error !!"
617	write(,) " cannot use chemistry option without ",
618	& "a co tracer !"
619	stop
620	endif
621	if (igcm_o.eq.0) then
622	write(,) "initracer: error !!"
623	write(,) " cannot use chemistry option without ",
624	& "a o tracer !"
625	stop
626	endif
627	if (igcm_o1d.eq.0) then
628	write(,) "initracer: error !!"
629	write(,) " cannot use chemistry option without ",
630	& "a o1d tracer !"
631	stop
632	endif
633	if (igcm_o2.eq.0) then
634	write(,) "initracer: error !!"
635	write(,) " cannot use chemistry option without ",
636	& "an o2 tracer !"
637	stop
638	endif
639	if (igcm_o3.eq.0) then
640	write(,) "initracer: error !!"
641	write(,) " cannot use chemistry option without ",
642	& "an o3 tracer !"
643	stop
644	endif
645	if (igcm_h.eq.0) then
646	write(,) "initracer: error !!"
647	write(,) " cannot use chemistry option without ",
648	& "a h tracer !"
649	stop
650	endif
651	if (igcm_h2.eq.0) then
652	write(,) "initracer: error !!"
653	write(,) " cannot use chemistry option without ",
654	& "a h2 tracer !"
655	stop
656	endif
657	if (igcm_oh.eq.0) then
658	write(,) "initracer: error !!"
659	write(,) " cannot use chemistry option without ",
660	& "an oh tracer !"
661	stop
662	endif
663	if (igcm_ho2.eq.0) then
664	write(,) "initracer: error !!"
665	write(,) " cannot use chemistry option without ",
666	& "a ho2 tracer !"
667	stop
668	endif
669	if (igcm_h2o2.eq.0) then
670	write(,) "initracer: error !!"
671	write(,) " cannot use chemistry option without ",
672	& "a h2o2 tracer !"
673	stop
674	endif
675	if (igcm_n2.eq.0) then
676	write(,) "initracer: error !!"
677	write(,) " cannot use chemistry option without ",
678	& "a n2 tracer !"
679	stop
680	endif
681	if (igcm_ar.eq.0) then
682	write(,) "initracer: error !!"
683	write(,) " cannot use chemistry option without ",
684	& "an ar tracer !"
685	stop
686	endif
687	endif ! of if (photochem .or. callthermos)
688
689	end

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