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initracer.F @ 2467

Last change on this file since 2467 was 2463, checked in by emillour, 4 years ago
Mars GCM Follow-up of previous commit. Also set the molar mass of HDO ice to 19. EM
File size: 32.3 KB

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

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