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initracer.F @ 2584

Last change on this file since 2584 was 2562, checked in by cmathe, 4 years ago
GCM MARS: CO2 clouds microphysics improvements
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1	SUBROUTINE initracer(ngrid,nq,qsurf)
2
3	use tracer_mod
4	use comcstfi_h, only: pi
5	use dust_param_mod, only: doubleq, submicron, dustbin
6	IMPLICIT NONE
7	c=======================================================================
8	c subject:
9	c --------
10	c Initialization related to tracer
11	c (transported dust, water, chemical species, ice...)
12	c
13	c Name of the tracer
14	c
15	c Test of dimension :
16	c Initialize tracer related data in tracer_mod, using tracer names provided
17	c by the dynamics in "infotrac"
18	c
19	c
20	c author: F.Forget
21	c ------
22	c Modifs: Franck Montmessin, Sebastien Lebonnois (june 2003)
23	c Ehouarn Millour (oct. 2008) identify tracers by their names
24	c=======================================================================
25
26
27	include "callkeys.h"
28
29	integer,intent(in) :: ngrid ! number of atmospheric columns
30	integer,intent(in) :: nq ! number of tracers
31	real,intent(out) :: qsurf(ngrid,nq) ! tracer on surface (e.g. kg.m-2)
32
33	integer iq,ig,count
34	real r0_lift , reff_lift, nueff_lift
35	real r0_storm,reff_storm
36	c Ratio of small over large dust particles (used when both
37	c doubleq and the submicron mode are active); In Montmessin
38	c et al. (2002), a value of 25 has been deduced;
39	real, parameter :: popratio = 25.
40	character(len=30) :: txt ! to store some text
41
42	c-----------------------------------------------------------------------
43	c radius(nq) ! aerosol particle radius (m)
44	c rho_q(nq) ! tracer densities (kg.m-3)
45	c alpha_lift(nq) ! saltation vertical flux/horiz flux ratio (m-1)
46	c alpha_devil(nq) ! lifting coeeficient by dust devil
47	c rho_dust ! Mars dust density
48	c rho_ice ! Water ice density
49	c nuice_ref ! Effective variance nueff of the
50	c ! water-ice size distributions
51	c doubleq ! if method with mass (iq=1) and number(iq=2) mixing ratio
52	c varian ! Characteristic variance of log-normal distribution
53	c-----------------------------------------------------------------------
54
55
56	c------------------------------------------------------------
57	c NAME and molar mass of the tracer
58	c------------------------------------------------------------
59
60	! Identify tracers by their names: (and set corresponding values of mmol)
61	! 0. initialize tracer indexes to zero:
62	igcm_dustbin(1:nq)=0
63	igcm_co2_ice=0
64	igcm_ccnco2_mass=0
65	igcm_ccnco2_number=0
66	igcm_ccnco2_h2o_mass_ice=0
67	igcm_ccnco2_h2o_mass_ccn=0
68	igcm_ccnco2_h2o_number=0
69	igcm_dust_mass=0
70	igcm_dust_number=0
71	igcm_ccn_mass=0
72	igcm_ccn_number=0
73	igcm_dust_submicron=0
74	igcm_h2o_vap=0
75	igcm_h2o_ice=0
76	igcm_hdo_vap=0
77	igcm_hdo_ice=0
78	igcm_stormdust_mass=0
79	igcm_stormdust_number=0
80	igcm_topdust_mass=0
81	igcm_topdust_number=0
82	igcm_co2=0
83	igcm_co=0
84	igcm_o=0
85	igcm_o1d=0
86	igcm_o2=0
87	igcm_o3=0
88	igcm_h=0
89	igcm_d=0
90	igcm_hd=0
91	igcm_h2=0
92	igcm_od=0
93	igcm_do2=0
94	igcm_hdo2=0
95	igcm_oh=0
96	igcm_ho2=0
97	igcm_h2o2=0
98	igcm_ch4=0
99	igcm_n2=0
100	igcm_ar=0
101	igcm_ar_n2=0
102	igcm_n=0
103	igcm_no=0
104	igcm_no2=0
105	igcm_n2d=0
106	igcm_he=0
107	igcm_co2plus=0
108	igcm_oplus=0
109	igcm_o2plus=0
110	igcm_coplus=0
111	igcm_cplus=0
112	igcm_nplus=0
113	igcm_noplus=0
114	igcm_n2plus=0
115	igcm_hplus=0
116	igcm_hco2plus=0
117	igcm_hcoplus=0
118	igcm_h2oplus=0
119	igcm_h3oplus=0
120	igcm_ohplus=0
121	igcm_elec=0
122
123	! 1. find dust tracers
124	count=0
125	if (dustbin.gt.0) then
126	do iq=1,nq
127	txt=" "
128	write(txt,'(a4,i2.2)')'dust',count+1
129	if (noms(iq).eq.txt) then
130	count=count+1
131	igcm_dustbin(count)=iq
132	mmol(iq)=100.
133	endif
134	enddo !do iq=1,nq
135	endif ! of if (dustbin.gt.0)
136	if (doubleq) then
137	do iq=1,nq
138	if (noms(iq).eq."dust_mass") then
139	igcm_dust_mass=iq
140	count=count+1
141	endif
142	if (noms(iq).eq."dust_number") then
143	igcm_dust_number=iq
144	count=count+1
145	endif
146	enddo
147	endif ! of if (doubleq)
148	if (microphys) then
149	do iq=1,nq
150	if (noms(iq).eq."ccn_mass") then
151	igcm_ccn_mass=iq
152	count=count+1
153	endif
154	if (noms(iq).eq."ccn_number") then
155	igcm_ccn_number=iq
156	count=count+1
157	endif
158	enddo
159	endif ! of if (microphys)
160	if (submicron) then
161	do iq=1,nq
162	if (noms(iq).eq."dust_submicron") then
163	igcm_dust_submicron=iq
164	mmol(iq)=100.
165	count=count+1
166	endif
167	enddo
168	endif ! of if (submicron)
169	if (rdstorm) then
170	do iq=1,nq
171	if (noms(iq).eq."stormdust_mass") then
172	igcm_stormdust_mass=iq
173	count=count+1
174	endif
175	if (noms(iq).eq."stormdust_number") then
176	igcm_stormdust_number=iq
177	count=count+1
178	endif
179	enddo
180	endif ! of if (rdstorm)
181	if (slpwind) then
182	do iq=1,nq
183	if (noms(iq).eq."topdust_mass") then
184	igcm_topdust_mass=iq
185	count=count+1
186	endif
187	if (noms(iq).eq."topdust_number") then
188	igcm_topdust_number=iq
189	count=count+1
190	endif
191	enddo
192	endif ! of if (slpwind)
193	! 2. find chemistry and water tracers
194	do iq=1,nq
195	if (noms(iq).eq."co2") then
196	igcm_co2=iq
197	mmol(igcm_co2)=44.
198	count=count+1
199	endif
200	if (noms(iq).eq."co") then
201	igcm_co=iq
202	mmol(igcm_co)=28.
203	count=count+1
204	endif
205	if (noms(iq).eq."o") then
206	igcm_o=iq
207	mmol(igcm_o)=16.
208	count=count+1
209	endif
210	if (noms(iq).eq."o1d") then
211	igcm_o1d=iq
212	mmol(igcm_o1d)=16.
213	count=count+1
214	endif
215	if (noms(iq).eq."o2") then
216	igcm_o2=iq
217	mmol(igcm_o2)=32.
218	count=count+1
219	endif
220	if (noms(iq).eq."o3") then
221	igcm_o3=iq
222	mmol(igcm_o3)=48.
223	count=count+1
224	endif
225	if (noms(iq).eq."h") then
226	igcm_h=iq
227	mmol(igcm_h)=1.
228	count=count+1
229	endif
230	if (noms(iq).eq."h2") then
231	igcm_h2=iq
232	mmol(igcm_h2)=2.
233	count=count+1
234	endif
235	if (noms(iq).eq."oh") then
236	igcm_oh=iq
237	mmol(igcm_oh)=17.
238	count=count+1
239	endif
240	if (noms(iq).eq."ho2") then
241	igcm_ho2=iq
242	mmol(igcm_ho2)=33.
243	count=count+1
244	endif
245	if (noms(iq).eq."h2o2") then
246	igcm_h2o2=iq
247	mmol(igcm_h2o2)=34.
248	count=count+1
249	endif
250	if (noms(iq).eq."n2") then
251	igcm_n2=iq
252	mmol(igcm_n2)=28.
253	count=count+1
254	endif
255	if (noms(iq).eq."ch4") then
256	igcm_ch4=iq
257	mmol(igcm_ch4)=16.
258	count=count+1
259	endif
260	if (noms(iq).eq."ar") then
261	igcm_ar=iq
262	mmol(igcm_ar)=40.
263	count=count+1
264	endif
265	if (noms(iq).eq."n") then
266	igcm_n=iq
267	mmol(igcm_n)=14.
268	count=count+1
269	endif
270	if (noms(iq).eq."no") then
271	igcm_no=iq
272	mmol(igcm_no)=30.
273	count=count+1
274	endif
275	if (noms(iq).eq."no2") then
276	igcm_no2=iq
277	mmol(igcm_no2)=46.
278	count=count+1
279	endif
280	if (noms(iq).eq."n2d") then
281	igcm_n2d=iq
282	mmol(igcm_n2d)=28.
283	count=count+1
284	endif
285	if (noms(iq).eq."he") then
286	igcm_he=iq
287	mmol(igcm_he)=4.
288	count=count+1
289	endif
290	if (noms(iq).eq."co2plus") then
291	igcm_co2plus=iq
292	mmol(igcm_co2plus)=44.
293	count=count+1
294	endif
295	if (noms(iq).eq."oplus") then
296	igcm_oplus=iq
297	mmol(igcm_oplus)=16.
298	count=count+1
299	endif
300	if (noms(iq).eq."o2plus") then
301	igcm_o2plus=iq
302	mmol(igcm_o2plus)=32.
303	count=count+1
304	endif
305	if (noms(iq).eq."coplus") then
306	igcm_coplus=iq
307	mmol(igcm_coplus)=28.
308	count=count+1
309	endif
310	if (noms(iq).eq."cplus") then
311	igcm_cplus=iq
312	mmol(igcm_cplus)=12.
313	count=count+1
314	endif
315	if (noms(iq).eq."nplus") then
316	igcm_nplus=iq
317	mmol(igcm_nplus)=14.
318	count=count+1
319	endif
320	if (noms(iq).eq."noplus") then
321	igcm_noplus=iq
322	mmol(igcm_noplus)=30.
323	count=count+1
324	endif
325	if (noms(iq).eq."n2plus") then
326	igcm_n2plus=iq
327	mmol(igcm_n2plus)=28.
328	count=count+1
329	endif
330	if (noms(iq).eq."hplus") then
331	igcm_hplus=iq
332	mmol(igcm_hplus)=1.
333	count=count+1
334	endif
335	if (noms(iq).eq."hco2plus") then
336	igcm_hco2plus=iq
337	mmol(igcm_hco2plus)=45.
338	count=count+1
339	endif
340	if (noms(iq).eq."hcoplus") then
341	igcm_hcoplus=iq
342	mmol(igcm_hcoplus)=29.
343	count=count+1
344	endif
345	if (noms(iq).eq."h2oplus") then
346	igcm_h2oplus=iq
347	mmol(igcm_h2oplus)=18.
348	count=count+1
349	endif
350	if (noms(iq).eq."h3oplus") then
351	igcm_h3oplus=iq
352	mmol(igcm_h3oplus)=19.
353	count=count+1
354	endif
355	if (noms(iq).eq."ohplus") then
356	igcm_ohplus=iq
357	mmol(igcm_ohplus)=17.
358	count=count+1
359	endif
360	if (noms(iq).eq."elec") then
361	igcm_elec=iq
362	mmol(igcm_elec)=1./1822.89
363	count=count+1
364	endif
365	if (noms(iq).eq."h2o_vap") then
366	igcm_h2o_vap=iq
367	mmol(igcm_h2o_vap)=18.
368	count=count+1
369	endif
370	if (noms(iq).eq."hdo_vap") then
371	igcm_hdo_vap=iq
372	mmol(igcm_hdo_vap)=19.
373	count=count+1
374	endif
375	if (noms(iq).eq."od") then
376	igcm_od=iq
377	mmol(igcm_od)=18.
378	count=count+1
379	endif
380	if (noms(iq).eq."d") then
381	igcm_d=iq
382	mmol(igcm_d)=2.
383	count=count+1
384	endif
385	if (noms(iq).eq."hd") then
386	igcm_hd=iq
387	mmol(igcm_hd)=3.
388	count=count+1
389	endif
390	if (noms(iq).eq."do2") then
391	igcm_do2=iq
392	mmol(igcm_do2)=34.
393	count=count+1
394	endif
395	if (noms(iq).eq."hdo2") then
396	igcm_hdo2=iq
397	mmol(igcm_hdo2)=35.
398	count=count+1
399	endif
400	if (noms(iq).eq."co2_ice") then
401	igcm_co2_ice=iq
402	mmol(igcm_co2_ice)=44.
403	count=count+1
404	endif
405	if (noms(iq).eq."h2o_ice") then
406	igcm_h2o_ice=iq
407	mmol(igcm_h2o_ice)=18.
408	count=count+1
409	endif
410	if (noms(iq).eq."hdo_ice") then
411	igcm_hdo_ice=iq
412	mmol(igcm_hdo_ice)=19.
413	count=count+1
414	endif
415	! Other stuff: e.g. for simulations using co2 + neutral gaz
416	if (noms(iq).eq."Ar_N2") then
417	igcm_ar_n2=iq
418	mmol(igcm_ar_n2)=30.
419	count=count+1
420	endif
421	if (co2clouds) then
422	if (noms(iq).eq."ccnco2_mass") then
423	igcm_ccnco2_mass=iq
424	count=count+1
425	endif
426	if (noms(iq).eq."ccnco2_number") then
427	igcm_ccnco2_number=iq
428	count=count+1
429	endif
430	if (co2useh2o) then
431	if (noms(iq).eq."ccnco2_h2o_number") then
432	igcm_ccnco2_h2o_number=iq
433	count=count+1
434	endif
435	if (noms(iq).eq."ccnco2_h2o_mass_ice") then
436	igcm_ccnco2_h2o_mass_ice=iq
437	count=count+1
438	endif
439	if (noms(iq).eq."ccnco2_h2o_mass_ccn") then
440	igcm_ccnco2_h2o_mass_ccn=iq
441	count=count+1
442	endif
443	end if
444	endif
445	enddo ! of do iq=1,nq
446
447	! check that we identified all tracers:
448	if (count.ne.nq) then
449	write(,) "initracer: found only ",count," tracers"
450	write(,) " expected ",nq
451	do iq=1,count
452	write(,)' ',iq,' ',trim(noms(iq))
453	enddo
454	call abort_physic("initracer","tracer mismatch",1)
455	else
456	write(,) "initracer: found all expected tracers, namely:"
457	do iq=1,nq
458	write(,)' ',iq,' ',trim(noms(iq))
459	enddo
460	endif
461
462	! if water cycle but iceparty=.false., there will nevertheless be
463	! water ice at the surface (iceparty is not used anymore, but this
464	! part is still relevant, as we want to stay compatible with the
465	! older versions).
466	if (water.and.(igcm_h2o_ice.eq.0)) then
467	igcm_h2o_ice=igcm_h2o_vap ! so that qsurf(i_h2o_ice) is identified
468	! even though there is no q(i_h2o_ice)
469	else
470	! surface ice qsurf(i_h2o_ice) was loaded twice by phyetat0,
471	! as qsurf(i_h2o_vap) & as qsurf(i_h2o_ice), so to be clean:
472	if (igcm_h2o_vap.ne.0) then
473	qsurf(1:ngrid,igcm_h2o_vap)=0
474	endif
475	endif
476
477	! Additional test required for HDO
478	! We need to compute some things for H2O before HDO
479	if (hdo) then
480	if (igcm_h2o_vap.gt.igcm_hdo_vap) then
481	call abort_physic("initracer",
482	& "Tracer H2O must be initialized before HDO",1)
483	else if ((nqfils(igcm_h2o_ice).lt.1)
484	& .or. (nqfils(igcm_h2o_vap).lt.1)) then
485	write(,) "HDO must be transported as a son",
486	& " of H2O: complete traceur.def"
487	call abort_physic("initracer","adapt your tracer.def",1)
488	else if ((igcm_hdo_ice.lt.nq-2)
489	& .or. (igcm_hdo_vap.lt.nq-2)) then
490	write(,) "The isotopes (HDO) must be placed at",
491	& " the end of the list in traceur.def"
492	call abort_physic("initracer","adapt your tracer.def",1)
493	endif
494	endif
495
496	c------------------------------------------------------------
497	c Initialize tracers .... (in tracer_mod)
498	c------------------------------------------------------------
499	! start by setting everything to (default) zero
500	rho_q(1:nq)=0 ! tracer density (kg.m-3)
501	radius(1:nq)=0. ! tracer particle radius (m)
502	alpha_lift(1:nq) =0. ! tracer saltation vertical flux/horiz flux ratio (m-1)
503	alpha_devil(1:nq)=0. ! tracer lifting coefficient by dust devils
504
505
506	! some reference values
507	rho_dust=2500. ! Mars dust density (kg.m-3)
508	rho_ice=920. ! Water ice density (kg.m-3)
509	rho_ice_co2=1650.
510	!Mangan et al., Icarus 2017 :CO2 density = 1.72391-2.53×10−4T – 2.87×10−6T^2
511	nuice_ref=0.1 ! Effective variance nueff of the
512	! water-ice size distribution
513	!!!nuice_sed=0.45 ! Sedimentation effective variance
514	! of the water-ice size distribution
515
516	nuiceco2_ref=0.2 !C.M. Effective variance nueff of the
517	! co2-ice size distribution
518	if (doubleq) then
519	c "doubleq" technique
520	c -------------------
521	c (transport of mass and number mixing ratio)
522	c iq=1: Q mass mixing ratio, iq=2: N number mixing ratio
523
524	if( (nq.lt.2).or.(water.and.(nq.lt.4))
525	* .or.(hdo.and.(nq.lt.6) )) then
526	write(,)'initracer: nq is too low : nq=', nq
527	write(,)'water= ',water,' doubleq= ',doubleq
528	end if
529
530	nueff_lift = 0.5
531	varian=sqrt(log(1.+nueff_lift))
532
533	rho_q(igcm_dust_mass)=rho_dust
534	rho_q(igcm_dust_number)=rho_dust
535
536	c Intermediate calcul for computing geometric mean radius r0
537	c as a function of mass and number mixing ratio Q and N
538	c (r0 = (r3n_q * Q/ N)^(1/3))
539	r3n_q = exp(-4.5varian2)(3./4.)/(pi*rho_dust)
540
541	c Intermediate calcul for computing effective radius reff
542	c from geometric mean radius r0
543	c (reff = ref_r0 * r0)
544	ref_r0 = exp(2.5varian*2)
545
546	c lifted dust :
547	c '''''''''''
548	reff_lift = 3.0e-6 !3.e-6 !Effective radius of lifted dust (m)
549	alpha_devil(igcm_dust_mass)=9.e-9 ! dust devil lift mass coeff
550	c alpha_lift(igcm_dust_mass)=3.0e-15 ! Lifted mass coeff
551
552	!! default lifting settings
553	!! -- GCM: alpha_lift not zero because large-scale lifting by default
554	!! -- MESOSCALE: alpha_lift zero because no lifting at all in mesoscale by default
555	#ifdef MESOSCALE
556	alpha_lift(igcm_dust_mass)=0.0
557	#else
558	alpha_lift(igcm_dust_mass)=1.e-6 !1.e-6 !Lifted mass coeff
559	IF (dustinjection.ge.1) THEN
560	reff_lift = 3.0e-6 ! Effective radius of lifted dust (m)
561	alpha_lift(igcm_dust_mass)=(4/3.)reff_liftrho_dust
562	& /2.4
563	ENDIF
564	#endif
565
566	r0_lift = reff_lift/ref_r0
567	alpha_devil(igcm_dust_number)=r3n_q*
568	& alpha_devil(igcm_dust_mass)/r0_lift**3
569	alpha_lift(igcm_dust_number)=r3n_q*
570	& alpha_lift(igcm_dust_mass)/r0_lift**3
571
572	radius(igcm_dust_mass) = reff_lift
573	radius(igcm_dust_number) = reff_lift
574
575	write(,) "initracer: doubleq_param reff_lift:", reff_lift
576	write(,) "initracer: doubleq_param nueff_lift:", nueff_lift
577	write(,) "initracer: doubleq_param alpha_lift:",
578	& alpha_lift(igcm_dust_mass)
579	!c ----------------------------------------------------------------------
580	!c rocket dust storm scheme
581	!c lifting tracer stormdust using same distribution than
582	!c normal dust
583	if (rdstorm) then
584	reff_storm=3.e-6 ! reff_lift !3.e-6
585	r0_storm=reff_storm/ref_r0
586	rho_q(igcm_stormdust_mass)=rho_dust
587	rho_q(igcm_stormdust_number)=rho_dust
588
589	alpha_devil(igcm_stormdust_mass)=9.e-9 ! dust devil lift mass coeff
590	alpha_lift(igcm_stormdust_mass)=4./3./2.4reff_stormrho_dust
591
592	write(,) 'alpha_lift(rds):',alpha_lift(igcm_stormdust_mass)
593
594	alpha_devil(igcm_stormdust_number)=r3n_q*
595	& alpha_devil(igcm_stormdust_mass)/r0_storm**3
596	alpha_lift(igcm_stormdust_number)=r3n_q*
597	& alpha_lift(igcm_stormdust_mass)/r0_storm**3
598
599	radius(igcm_stormdust_mass) = reff_storm
600	radius(igcm_stormdust_number) = reff_storm
601	end if !(rdstorm)
602	!c ----------------------------------------------------------------------
603	!c slope wind scheme
604	!c you need a radius value for topdust to active its sedimentation
605	!c we take the same value as for the normal dust
606	if (slpwind) then
607	rho_q(igcm_topdust_mass)=rho_dust
608	rho_q(igcm_topdust_number)=rho_dust
609	radius(igcm_topdust_mass) = 3.e-6
610	radius(igcm_topdust_number) = 3.e-6
611	end if !(slpwind)
612	!c ----------------------------------------------------------------------
613
614	else
615
616	! initialize varian, which may be used (e.g. by surfacearea)
617	! even with conrath dust
618	nueff_lift = 0.5
619	varian=sqrt(log(1.+nueff_lift))
620
621	if (dustbin.gt.1) then
622	print*,'initracer: STOP!',
623	$ ' properties of dust need to be set in initracer !!!'
624	call abort_physic("initracer","dustbin properties issue",1)
625
626	else if (dustbin.eq.1) then
627
628	c This will be used for 1 dust particle size:
629	c ------------------------------------------
630	radius(igcm_dustbin(1))=3.e-6
631	alpha_lift(igcm_dustbin(1))=0.0e-6
632	alpha_devil(igcm_dustbin(1))=7.65e-9
633	rho_q(igcm_dustbin(1))=rho_dust
634
635	endif
636	end if ! (doubleq)
637
638
639	c Scavenging of dust particles by H2O clouds:
640	c ------------------------------------------
641	c Initialize the two tracers used for the CCNs
642	if (water.AND.doubleq.AND.scavenging) then
643	radius(igcm_ccn_mass) = radius(igcm_dust_mass)
644	alpha_lift(igcm_ccn_mass) = 1e-30
645	alpha_devil(igcm_ccn_mass) = 1e-30
646	rho_q(igcm_ccn_mass) = rho_dust
647
648	radius(igcm_ccn_number) = radius(igcm_ccn_mass)
649	alpha_lift(igcm_ccn_number) = alpha_lift(igcm_ccn_mass)
650	alpha_devil(igcm_ccn_number) = alpha_devil(igcm_ccn_mass)
651	rho_q(igcm_ccn_number) = rho_q(igcm_ccn_mass)
652	endif ! of if (water.AND.doubleq.AND.scavenging)
653
654	c Submicron dust mode:
655	c --------------------
656
657	if (submicron) then
658	radius(igcm_dust_submicron)=0.1e-6
659	rho_q(igcm_dust_submicron)=rho_dust
660	if (doubleq) then
661	c If doubleq is also active, we use the population ratio:
662	alpha_lift(igcm_dust_submicron) =
663	& alpha_lift(igcm_dust_number)popratio
664	& rho_q(igcm_dust_submicron)4./3.pi*
665	& radius(igcm_dust_submicron)**3.
666	alpha_devil(igcm_dust_submicron)=1.e-30
667	else
668	alpha_lift(igcm_dust_submicron)=1e-6
669	alpha_devil(igcm_dust_submicron)=1.e-30
670	endif ! (doubleq)
671	end if ! (submicron)
672
673	c Initialization for water vapor
674	c ------------------------------
675	if(water) then
676	radius(igcm_h2o_vap)=0.
677	alpha_lift(igcm_h2o_vap) =0.
678	alpha_devil(igcm_h2o_vap)=0.
679	if(water.and.(nq.ge.2)) then
680	radius(igcm_h2o_ice)=3.e-6
681	rho_q(igcm_h2o_ice)=rho_ice
682	alpha_lift(igcm_h2o_ice) =0.
683	alpha_devil(igcm_h2o_ice)=0.
684	elseif(water.and.(nq.lt.2)) then
685	write(,) 'nq is too low : nq=', nq
686	write(,) 'water= ',water
687	endif
688
689	end if ! (water)
690
691	c Initialization for hdo vapor
692	c ------------------------------
693	if (hdo) then
694	radius(igcm_hdo_vap)=0.
695	alpha_lift(igcm_hdo_vap) =0.
696	alpha_devil(igcm_hdo_vap)=0.
697	if(water.and.(nq.ge.2)) then
698	radius(igcm_hdo_ice)=3.e-6
699	rho_q(igcm_hdo_ice)=rho_ice
700	alpha_lift(igcm_hdo_ice) =0.
701	alpha_devil(igcm_hdo_ice)=0.
702	elseif(hdo.and.(nq.lt.6)) then
703	write(,) 'nq is too low : nq=', nq
704	write(,) 'hdo= ',hdo
705	endif
706
707	end if ! (hdo)
708
709
710	! Initialisation for CO2 clouds
711	if (co2clouds ) then
712	radius(igcm_ccnco2_mass) = radius(igcm_dust_mass)
713	alpha_lift(igcm_ccnco2_mass) = 1e-30
714	alpha_devil(igcm_ccnco2_mass) = 1e-30
715	rho_q(igcm_ccnco2_mass) = rho_dust
716	radius(igcm_ccnco2_number) = radius(igcm_ccnco2_mass)
717	alpha_lift(igcm_ccnco2_number) = alpha_lift(igcm_ccnco2_mass)
718	alpha_devil(igcm_ccnco2_number) = alpha_devil(igcm_ccnco2_mass)
719	rho_q(igcm_ccnco2_number) = rho_q(igcm_ccnco2_mass)
720
721	radius(igcm_co2)=0.
722	alpha_lift(igcm_co2) =0.
723	alpha_devil(igcm_co2)=0.
724	radius(igcm_co2_ice)=1.e-8
725	rho_q(igcm_co2_ice)=rho_ice_co2
726	alpha_lift(igcm_co2_ice) =0.
727	alpha_devil(igcm_co2_ice)=0.
728
729	endif
730
731	c Output for records:
732	c ~~~~~~~~~~~~~~~~~~
733	write(,)
734	Write(,) '******** initracer : dust transport parameters :'
735	write(,) 'alpha_lift = ', alpha_lift
736	write(,) 'alpha_devil = ', alpha_devil
737	write(,) 'radius = ', radius
738	if(doubleq) then
739	write(,) 'reff_lift (um) = ', reff_lift
740	write(,) 'size distribution variance = ', varian
741	write(,) 'r3n_q , ref_r0 : ', r3n_q , ref_r0
742	end if
743
744	!
745	! some extra (possibly redundant) sanity checks for tracers:
746	! ---------------------------------------------------------
747
748	if (doubleq) then
749	! verify that we indeed have dust_mass and dust_number tracers
750	if (igcm_dust_mass.eq.0) then
751	write(,) "initracer: error !!"
752	write(,) " cannot use doubleq option without ",
753	& "a dust_mass tracer !"
754	call abort_physic("initracer","doubleq issue",1)
755	endif
756	if (igcm_dust_number.eq.0) then
757	write(,) "initracer: error !!"
758	write(,) " cannot use doubleq option without ",
759	& "a dust_number tracer !"
760	call abort_physic("initracer","doubleq issue",1)
761	endif
762	endif
763
764	if ((.not.doubleq).and.(dustbin.gt.0)) then
765	! verify that we indeed have 'dustbin' dust tracers
766	count=0
767	do iq=1,dustbin
768	if (igcm_dustbin(iq).ne.0) then
769	count=count+1
770	endif
771	enddo
772	if (count.ne.dustbin) then
773	write(,) "initracer: error !!"
774	write(,) " dustbin is set to ",dustbin,
775	& " but we only have the following dust tracers:"
776	do iq=1,count
777	write(,)" ",trim(noms(igcm_dustbin(iq)))
778	enddo
779	call abort_physic("initracer","dustbin issue",1)
780	endif
781	endif
782
783	if (water) then
784	! verify that we indeed have h2o_vap and h2o_ice tracers
785	if (igcm_h2o_vap.eq.0) then
786	write(,) "initracer: error !!"
787	write(,) " cannot use water option without ",
788	& "an h2o_vap tracer !"
789	call abort_physic("initracer","water cycle issue",1)
790	endif
791	if (igcm_h2o_ice.eq.0) then
792	write(,) "initracer: error !!"
793	write(,) " cannot use water option without ",
794	& "an h2o_ice tracer !"
795	call abort_physic("initracer","water cycle issue",1)
796	endif
797	endif
798
799	if (hdo) then
800	! verify that we indeed have hdo_vap and hdo_ice tracers
801	if (igcm_hdo_vap.eq.0) then
802	write(,) "initracer: error !!"
803	write(,) " cannot use hdo option without ",
804	& "an hdo_vap tracer !"
805	call abort_physic("initracer","hdo cycle issue",1)
806	endif
807	if (igcm_hdo_ice.eq.0) then
808	write(,) "initracer: error !!"
809	write(,) " cannot use hdo option without ",
810	& "an hdo_ice tracer !"
811	call abort_physic("initracer","hdo cycle issue",1)
812	endif
813	endif
814
815
816	if (co2clouds) then
817	!verify that we have co2_ice and co2 tracers
818	if (igcm_co2 .eq. 0) then
819	write(,) "initracer: error !!"
820	write(,) " cannot use co2 clouds option without ",
821	& "a co2 tracer !"
822	call abort_physic("initracer","co2 clouds issue",1)
823	endif
824	if (igcm_co2_ice .eq. 0) then
825	write(,) "initracer: error !!"
826	write(,) " cannot use co2 clouds option without ",
827	& "a co2_ice tracer !"
828	call abort_physic("initracer","co2 clouds issue",1)
829	endif
830	endif
831
832	if (rdstorm) then
833	! verify that we indeed have stormdust_mass and stormdust_number tracers
834	if (igcm_stormdust_mass.eq.0) then
835	write(,) "initracer: error !!"
836	write(,) " cannot use rdstorm option without ",
837	& "a stormdust_mass tracer !"
838	call abort_physic("initracer","rdstorm issue",1)
839	endif
840	if (igcm_stormdust_number.eq.0) then
841	write(,) "initracer: error !!"
842	write(,) " cannot use rdstorm option without ",
843	& "a stormdust_number tracer !"
844	call abort_physic("initracer","rdstorm issue",1)
845	endif
846	endif
847
848	if (slpwind) then
849	! verify that we indeed have topdust_mass and topdust_number tracers
850	if (igcm_topdust_mass.eq.0) then
851	write(,) "initracer: error !!"
852	write(,) " cannot use slpwind option without ",
853	& "a topdust_mass tracer !"
854	call abort_physic("initracer","slpwind issue",1)
855	endif
856	if (igcm_topdust_number.eq.0) then
857	write(,) "initracer: error !!"
858	write(,) " cannot use slpwind option without ",
859	& "a topdust_number tracer !"
860	call abort_physic("initracer","slpwind issue",1)
861	endif
862	endif
863
864	if (callnlte) then ! NLTE requirements
865	if (nltemodel.ge.1) then
866	! check that co2, co, o and n2 tracers are available
867	if (igcm_co2.eq.0) then
868	write(,) "initracer: error !!"
869	write(,) " with nltemodel>0, we need the co2 tracer!"
870	call abort_physic("initracer","missing co2 tracer",1)
871	endif
872	if (igcm_co.eq.0) then
873	write(,) "initracer: error !!"
874	write(,) " with nltemodel>0, we need the co tracer!"
875	call abort_physic("initracer","missing co tracer",1)
876	endif
877	if (igcm_o.eq.0) then
878	write(,) "initracer: error !!"
879	write(,) " with nltemodel>0, we need the o tracer!"
880	call abort_physic("initracer","missing o tracer",1)
881	endif
882	if (igcm_n2.eq.0) then
883	write(,) "initracer: error !!"
884	write(,) " with nltemodel>0, we need the n2 tracer!"
885	call abort_physic("initracer","missing n2 tracer",1)
886	endif
887	endif
888	endif
889
890	if (scavenging) then
891	! verify that we indeed have ccn_mass and ccn_number tracers
892	if (igcm_ccn_mass.eq.0 .and. igcm_ccnco2_mass.eq.0) then
893	write(,) "initracer: error !!"
894	write(,) " cannot use scavenging option without ",
895	& "a ccn_mass or ccnco2_mass tracer !"
896	call abort_physic("initracer","scavenging issue",1)
897	endif
898	if (igcm_ccn_number.eq.0 .and. igcm_ccnco2_number.eq.0 ) then
899	write(,) "initracer: error !!"
900	write(,) " cannot use scavenging option without ",
901	& "a ccn_number or ccnco2_number tracer !"
902	call abort_physic("initracer","scavenging issue",1)
903	endif
904	endif ! of if (scavenging)
905
906	if (photochem .or. callthermos) then
907	! verify that we indeed have the chemistry tracers
908	if (igcm_co2.eq.0) then
909	write(,) "initracer: error !!"
910	write(,) " cannot use chemistry option without ",
911	& "a co2 tracer !"
912	call abort_physic("initracer","missing co2 tracer",1)
913	endif
914	if (igcm_co.eq.0) then
915	write(,) "initracer: error !!"
916	write(,) " cannot use chemistry option without ",
917	& "a co tracer !"
918	call abort_physic("initracer","missing co tracer",1)
919	endif
920	if (igcm_o.eq.0) then
921	write(,) "initracer: error !!"
922	write(,) " cannot use chemistry option without ",
923	& "a o tracer !"
924	call abort_physic("initracer","missing o tracer",1)
925	endif
926	if (igcm_o1d.eq.0) then
927	write(,) "initracer: error !!"
928	write(,) " cannot use chemistry option without ",
929	& "a o1d tracer !"
930	call abort_physic("initracer","missing o1d tracer",1)
931	endif
932	if (igcm_o2.eq.0) then
933	write(,) "initracer: error !!"
934	write(,) " cannot use chemistry option without ",
935	& "an o2 tracer !"
936	call abort_physic("initracer","missing o2 tracer",1)
937	endif
938	if (igcm_o3.eq.0) then
939	write(,) "initracer: error !!"
940	write(,) " cannot use chemistry option without ",
941	& "an o3 tracer !"
942	call abort_physic("initracer","missing o3 tracer",1)
943	endif
944	if (igcm_h.eq.0) then
945	write(,) "initracer: error !!"
946	write(,) " cannot use chemistry option without ",
947	& "a h tracer !"
948	call abort_physic("initracer","missing h tracer",1)
949	endif
950	if (igcm_h2.eq.0) then
951	write(,) "initracer: error !!"
952	write(,) " cannot use chemistry option without ",
953	& "a h2 tracer !"
954	call abort_physic("initracer","missing h2 tracer",1)
955	endif
956	if (igcm_oh.eq.0) then
957	write(,) "initracer: error !!"
958	write(,) " cannot use chemistry option without ",
959	& "an oh tracer !"
960	call abort_physic("initracer","missing oh tracer",1)
961	endif
962	if (igcm_ho2.eq.0) then
963	write(,) "initracer: error !!"
964	write(,) " cannot use chemistry option without ",
965	& "a ho2 tracer !"
966	call abort_physic("initracer","missing ho2 tracer",1)
967	endif
968	if (igcm_h2o2.eq.0) then
969	write(,) "initracer: error !!"
970	write(,) " cannot use chemistry option without ",
971	& "a h2o2 tracer !"
972	call abort_physic("initracer","missing h2o2 tracer",1)
973	endif
974	if (igcm_n2.eq.0) then
975	write(,) "initracer: error !!"
976	write(,) " cannot use chemistry option without ",
977	& "a n2 tracer !"
978	call abort_physic("initracer","missing n2 tracer",1)
979	endif
980	if (igcm_ar.eq.0) then
981	write(,) "initracer: error !!"
982	write(,) " cannot use chemistry option without ",
983	& "an ar tracer !"
984	call abort_physic("initracer","missing ar tracer",1)
985	endif
986	endif ! of if (photochem .or. callthermos)
987
988	end

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