module_cbmz.F

References to this file elsewhere.
1 !**********************************************************************************  
2 ! This computer software was prepared by Battelle Memorial Institute, hereinafter
3 ! the Contractor, under Contract No. DE-AC05-76RL0 1830 with the Department of 
4 ! Energy (DOE). NEITHER THE GOVERNMENT NOR THE CONTRACTOR MAKES ANY WARRANTY,
5 ! EXPRESS OR IMPLIED, OR ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE.
6 !
7 ! Chemistry Option:  CBMZ (Carbon Bond Mechanism IV - Zaveri)
8 ! * Primary investigator: Rahul A. Zaveri
9 ! * Co-investigator: Richard C. Easter, William I. Gustafson Jr.
10 ! Last update: September 2005
11 !
12 ! Contacts:
13 ! Rahul A. Zaveri, PhD                    Jerome D. Fast, PhD
14 ! Senior Research Scientist               Staff Scientist
15 ! Pacific Northwest National Laboratory   Pacific Northwest National Laboratory
16 ! P.O. Box 999, MSIN K9-30                P.O. Box 999, MSIN K9-30
17 ! Richland, WA 99352                      Richland, WA, 99352
18 ! Phone: (509) 372-6159                   Phone: (509) 372-6116
19 ! Email: Rahul.Zaveri@pnl.gov             Email: Jerome.Fast@pnl.gov
20 !
21 ! Please report any bugs or problems to Rahul Zaveri, the primary author of the
22 ! code, or Jerome Fast, the WRF-chem implementation team leader
23 !
24 !Terms of Use:
25 !  1) CBMZ and its sub-modules may not be included in any commerical package,
26 !     or used for any commercial applications without the primary author's
27 !     prior consent.
28 !  2) The CBMZ source code is provided to the WRF modeling community; however, 
29 !     no portion of CBMZ can be used separately or in another code without the
30 !     primary author's prior consent.
31 !  3) The CBMZ source code may be used for research, educational, and non-profit
32 !     purposes only.  Any other usage must be first approved by the primary author.
33 !  4) Publications resulting from the usage of CBMZ must use one or more of the
34 !     references below (depending on the application) for proper acknowledgment.
35 !
36 ! References: 
37 ! 1) Zaveri R.A., and L.K. Peters (1999), A new lumped structure photochemical
38 !    mechanism for large-scale applications, J. Geophys. Res., 104, 30387-30415.
39 ! 2) Fast, J.D., W.I. Gustafson Jr., R.C. Easter, R.A. Zaveri, J.C. Barnard, E.G.
40 !    Chapman, G.A. Grell, and S.E. Peckham (2005), Evolution of ozone, particulates,
41 !    and aerosol direct radiative forcing in the vicinity of Houston using a fully- 
42 !    coupled meteorology-chemistry-aerosol model, Submitted to J. Geophys. Res.
43 !
44 ! Contact Jerome Fast for updates on the status of manuscripts under review.  
45 !
46 ! Additional information:
47 ! 1) www.pnl.gov/atmos_sciences/raz 
48 ! 2) www.pnl.gov/atmos_sciences/Jdf/wrfchem.html
49 !
50 ! Support: 
51 ! Funding for developing and evaluating CBMZ was provided by the U.S. Department
52 ! of Energy under the auspices of Atmospheric Science Program of the Office of
53 ! Biological and Environmental Research the the PNNL Laboratory Research and 
54 ! Directed Research and Development program.
55 !**********************************************************************************  
56       module module_cbmz
57 
58 
59 
60       use module_peg_util
61 
62       contains
63 
64 
65 !***********************************************************************
66 ! < 1.> subr cbmz_driver
67 !
68 ! purpose: serves as an interface between subr. gas_chemistry and
69 !          the actual solver subr such as lsodes, rodas, etc.
70 !
71 ! grid   : fixed i,j,k  (box-model)
72 !
73 ! author : Rahul A. Zaveri
74 ! date   : November 1998
75 !
76 !-----------------------------------------------------------------------
77 
78       subroutine cbmz_driver( &
79                id, ktau, dtstep, ktauc, dtstepc, config_flags, &
80                gmt, julday, t_phy, moist, p8w, t8w, &
81                p_phy, chem, rho_phy, dz8w, z, z_at_w, vdrog3, &
82                ph_o31d, ph_o33p, ph_no2, ph_no3o2, ph_no3o, ph_hno2, &
83                ph_hno3, ph_hno4, ph_h2o2, ph_ch2or, ph_ch2om, &
84                ph_ch3o2h, ph_n2o5, &
85                ids,ide, jds,jde, kds,kde, &
86                ims,ime, jms,jme, kms,kme, &
87                its,ite, jts,jte, kts,kte  )
88 
89    USE module_configure, only:  grid_config_rec_type, num_moist, num_chem,  &
90 	p_qv, p_so2, p_ho2, p_so4aj, p_corn, p_hcl, p_mtf
91    USE module_data_sorgam, only:  ldrog
92    USE module_data_cbmz
93    IMPLICIT NONE
94 
95 
96 !-----------------------------------------------------------------------
97 ! subr arguments
98 
99    INTEGER, INTENT(IN ) :: id, julday, &
100                            ids,ide, jds,jde, kds,kde, &
101                            ims,ime, jms,jme, kms,kme, &
102                            its,ite, jts,jte, kts,kte
103 
104    INTEGER, INTENT(IN ) :: ktau, ktauc
105 
106       REAL, INTENT(IN ) :: dtstep, dtstepc, gmt
107 !
108 ! advected moisture variables
109 !
110    REAL, DIMENSION( ims:ime, kms:kme, jms:jme, num_moist ), &
111          INTENT(IN ) :: moist
112 !
113 ! advected chemical tracers
114 !
115    REAL, DIMENSION( ims:ime, kms:kme, jms:jme, num_chem ), &
116          INTENT(INOUT ) :: chem
117 !
118 ! arrays that hold photolysis rates
119 !
120    REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), &
121          INTENT(INOUT ) :: &
122            ph_o31d, ph_o33p, ph_no2, ph_no3o2, ph_no3o, ph_hno2, &
123            ph_hno3, ph_hno4, ph_h2o2, ph_ch2or, ph_ch2om, &
124            ph_ch3o2h, ph_n2o5
125 !
126 ! on input from met model
127 !
128    REAL, DIMENSION( ims:ime , kms:kme , jms:jme ) , &
129           INTENT(IN ) :: &
130                          t_phy, &	! temperature
131                          rho_phy, &	! air density (kg/m3)
132                          p_phy, &	! NOT USED
133                          z, z_at_w, &	! NOT USED
134                          dz8w, &	! NOT USED
135                          t8w, p8w	! NOT USED
136 !
137 ! for interaction with aerosols (really is output)
138 !
139    REAL, DIMENSION( ims:ime , kms:kme-0 , jms:jme , ldrog ) , &
140           INTENT(INOUT ) :: &
141                          vdrog3		! NOT USED
142 
143    TYPE(grid_config_rec_type), INTENT(IN ) :: config_flags
144 
145 
146 !-----------------------------------------------------------------------
147 
148 
149 !   local variables
150 	integer :: idum, iok
151 	integer :: iregime
152 	integer :: igaschem_allowed_m1, igaschem_allowed_m2,   &
153                    igaschem_allowed_m3, igaschem_allowed_m4
154 	integer :: igas_solver, iregime_forced
155 	integer :: i_boxtest_units_convert
156 	integer :: i_print_gasode_stats
157 	integer :: i_force_dump, mode_force_dump
158 	integer :: it, jt, kt
159 	integer :: jsolver
160 	integer :: lunerr, lunout, levdbg_err, levdbg_info
161 	integer :: mgaschem
162 
163 
164 	real :: abs_error, rel_error, trun
165 	real :: tchem, dtchem
166 	real :: tstart, tstop
167 	real :: airdenbox, pressbox, tempbox
168 	real :: cair_mlc
169 	real :: h2o, ch4, oxygen, nitrogen, hydrogen
170 	real :: cboxnew(ngas_z), cboxold(ngas_z)
171 	real :: Aperox(nperox,nperox), Bperox(nperox,nperox)
172 	real :: rk_param(nperox), rk_photo(nphoto)
173 	real :: rk_m1(nrxn_m1), rk_m2(nrxn_m2), rk_m3(nrxn_m3), rk_m4(nrxn_m4)
174 
175 	integer, dimension(2,6), save :: inforodas=0
176 	integer, dimension(6), save :: iodestatus_count=0, ioderegime_count=0
177 
178 #ifdef CHEM_DBG_I
179 !rcetestb diagnostics --------------------------------------------------
180 	print 93010, ' '
181 	print 93010, 'rcetestb diagnostics from cbmz_driver'
182 	print 93010, 'id, chem_opt, ktau, ktauc, julday    ',   &
183 	              id, config_flags%chem_opt, ktau, ktauc, julday
184 	print 93020, 'dtstep, dtstepc, gmt                 ',   &
185 	              dtstep, dtstepc, gmt
186 	print 93010, 'ids/e, j, k', ids, ide, jds, jde, kds, kde
187 	print 93010, 'ims/e, j, k', ims, ime, jms, jme, kms, kme
188 	print 93010, 'its/e, j, k', its, ite, jts, jte, kts, kte
189 	print 93010, 'num_moist, p_qv              ', num_moist, p_qv
190 	print 93010, 'num_chem, p_so2, p_ho2       ', num_chem, p_so2, p_ho2
191 	print 93010, 'p_so4aj, p_corn, p_hcl, p_mtf', p_so4aj, p_corn, p_hcl, p_mtf
192 93010	format( a, 8(1x,i6) )
193 93020	format( a, 8(1p,e14.6) )
194 !rcetestb diagnostics --------------------------------------------------
195 #endif
196 
197 
198 !   set some control variables to their "standard for wrf-chem" values
199 	igas_solver = 1
200 	iregime_forced = -1
201 	mgaschem = +1
202 	i_boxtest_units_convert = 0
203 
204 	i_print_gasode_stats = 1
205 	mode_force_dump = 0
206 	lunerr = -1
207 	lunout = -1
208 	levdbg_err = 0
209 	levdbg_info = 15
210 
211 	abs_error = 1.0e1	! solver absolute tolerance (molecules/cm3)
212 	rel_error = 1.0e-3	! solver relative tolerance
213 
214 !   set some control variables to non-standard values for testing
215 !   force dumps for center column, every 3rd level
216 !	mode_force_dump = +77
217 !   force dumps for center column, 1st level
218 !	mode_force_dump = +7
219 !   do levdbg_info output always
220 	levdbg_info = 0
221 
222 
223 !   following call is for boxwrf testing only
224 !   it must be commented out for actual wrf applications
225 !	call boxtest_get_extra_args( &
226 !	    igas_solver, iregime_forced, &
227 !	    i_boxtest_units_convert, lunerr, lunout, &
228 !	    abs_error, rel_error, trun   )
229 
230 
231 !   currently nothing is done with vdrog3
232 !	vdrog3(its:ite,kts:kte,jts:jte,:) = 0.0  !This is already set to zero in chem_driver.
233 
234 
235 !   determine which regimes are allowed
236 !   based on which gas species are "active"
237 	call set_gaschem_allowed_regimes( lunerr,   &
238 		igaschem_allowed_m1, igaschem_allowed_m2,   &
239 		igaschem_allowed_m3, igaschem_allowed_m4 )
240 
241 !
242 !   main loop -- do gas chemistry at each i,j,k
243 !
244 	do 2900 jt = jts, jte
245 	do 2900 kt = kts, kte-1
246 	do 2900 it = its, ite
247 
248 	trun = dtstep*(ktau-1)		! run time in s
249 	tchem = gmt*3600.0 + dtstep*(ktau-1)
250 	tchem = mod( tchem, 86400.0 )	! time from 00 UTC in s
251 	dtchem = dtstepc
252 	tstart = tchem              	! s
253 	tstop  = tstart + dtchem    	! s
254 
255 !   skip integration for very small dtchem
256 	if ((tstop-tstart) .le. 1.0e-5) goto 2900
257 
258 
259 !   initial species mapping from host array
260 	call mapgas_tofrom_host( 0,                    &
261 		i_boxtest_units_convert,               &
262 		it,jt,kt, ims,ime, jms,jme, kms,kme,   &
263 		num_moist, num_chem, moist, chem,      &
264 		t_phy, p_phy, rho_phy,                 &
265 		cboxold, tempbox, pressbox, airdenbox, &
266 		cair_mlc,                              &
267 		h2o, ch4, oxygen, nitrogen, hydrogen   )
268 	cboxnew(:) = cboxold(:)
269 
270 !   determine regime
271 	call selectgasregime( iregime, iregime_forced, cboxold,   &
272 		igaschem_allowed_m1, igaschem_allowed_m2,   &
273 		igaschem_allowed_m3, igaschem_allowed_m4 )
274 	idum = iregime
275 	if ((idum .lt. 1) .or. (idum .ge. 6)) idum = 6
276 	ioderegime_count(idum) = ioderegime_count(idum) + 1
277 	iodestatus_count(6) = iodestatus_count(6) + 1
278 
279 !   compute rate constants
280 !   transfer/map incoming photolysis rate contants to local array
281       call gasphotoconstants( rk_photo,   &
282 	    i_boxtest_units_convert,               &
283 	    it,jt,kt, ims,ime, jms,jme, kms,kme,   &
284 	    ph_o31d, ph_o33p, ph_no2, ph_no3o2, ph_no3o, ph_hno2, &
285 	    ph_hno3, ph_hno4, ph_h2o2, ph_ch2or, ph_ch2om, &
286 	    ph_ch3o2h, ph_n2o5 )
287 !   loads Aperox and Bperox
288 	call loadperoxyparameters( Aperox, Bperox )
289 !   calculate parameterized rate constants
290 	call peroxyrateconstants( tempbox, cboxold,   &
291 		 Aperox, Bperox, rk_param )
292 !   calculate thermal rate constants
293 	call gasrateconstants( iregime, tempbox, cair_mlc,   &
294 		rk_photo, rk_param, rk_m1, rk_m2, rk_m3, rk_m4 )
295 
296 !   mode_force_dump selects a detailed dump of gaschem at either
297 !   first ijk grid, first ij column, all ijk, or no ijk
298 	i_force_dump = 0
299 	if (mode_force_dump .eq. 1) then
300 	    if ((it.eq.its) .and. (jt.eq.jts)   &
301 	                    .and. (kt.eq.kts)) i_force_dump = 1
302 	else if (mode_force_dump .eq. 10) then
303 	    if ((it.eq.its) .and. (jt.eq.jts)) i_force_dump = 1
304 	else if (mode_force_dump .eq. 100) then
305 	    i_force_dump = 1
306 	else if (mode_force_dump .eq. 7) then
307 	    if ( (it .eq.  (its+ite)/2) .and.   &
308 	         (jt .eq.  (jts+jte)/2) .and.   &
309 	         (kt .eq.          kts) ) i_force_dump = 1
310 	else if (mode_force_dump .eq. 77) then
311 	    if ( (it .eq.  (its+ite)/2) .and.   &
312 	         (jt .eq.  (jts+jte)/2) .and.   &
313 	         (mod(kt-kts,3) .eq. 0) ) i_force_dump = 1
314 	end if
315 
316 
317 !   rodas
318 	iok = 0
319 	jsolver = 0
320 	if (igas_solver .eq. 1) then
321 	    jsolver = 1
322 	    call gasodesolver_rodas( tstart, tstop, iok,   &
323       		it, jt, kt, iregime,   &
324       		mgaschem, lunerr, lunout, levdbg_err, levdbg_info,   &
325 		i_force_dump, inforodas, iodestatus_count,   &
326       		abs_error, rel_error, trun,   &
327       		tempbox, pressbox, airdenbox, cboxnew, cboxold,   &
328 		rk_m1, rk_m2, rk_m3, rk_m4 )
329         endif
330 
331 !   lsodes
332 	if (igas_solver.eq.2 .or. iok.le.0) then
333 	    jsolver = 2
334 	    call gasodesolver_lsodes( tstart, tstop, iok,   &
335       		it, jt, kt, iregime,   &
336       		mgaschem, lunerr, lunout, levdbg_err, levdbg_info,   &
337 		i_force_dump, iodestatus_count,   &
338       		abs_error, rel_error, trun,   &
339       		tempbox, pressbox, airdenbox, cboxnew, cboxold,   &
340 		rk_m1, rk_m2, rk_m3, rk_m4 )
341 	endif
342 
343 !   final species mapping back to host array -- only when iok > 0
344 	if (iok .gt. 0) then
345 	    call mapgas_tofrom_host( 1,                &
346 		i_boxtest_units_convert,               &
347 		it,jt,kt, ims,ime, jms,jme, kms,kme,   &
348 		num_moist, num_chem, moist, chem,      &
349 		t_phy, p_phy, rho_phy,                 &
350 		cboxnew, tempbox, pressbox, airdenbox, &
351 		cair_mlc,                              &
352 		h2o, ch4, oxygen, nitrogen, hydrogen   )
353 	end if
354 
355 !   following call is for boxwrf testing only
356 !   it must be commented out for actual wrf applications
357 !	call boxtest_set_extra_args( iregime, it, jt, kt )
358 
359 2900	continue
360 
361 	if (i_print_gasode_stats .gt. 0)   &
362 	   call print_gasode_stats( lunout, levdbg_info,   &
363 		inforodas, iodestatus_count, ioderegime_count )
364 	return
365 	end subroutine cbmz_driver                      
366  
367  
368  
369 !***********************************************************************
370 ! < xx.> subr print_gasode_stats
371 !
372 ! purpose: writes some statistics on ode solver performance to unit lunout
373 !
374 !-----------------------------------------------------------------------
375 
376 	subroutine print_gasode_stats( lunout, levdbg,   &
377 		inforodas, iodestatus_count, ioderegime_count )
378 
379 	implicit none
380 
381 !   subr arguments
382 	integer lunout, levdbg
383 	integer inforodas(2,6), iodestatus_count(6), ioderegime_count(6)
384 
385 !   local variables
386 	integer i, j
387 	character*80 msg
388 
389 
390 	msg = ' '
391 	call peg_debugmsg( lunout, levdbg, msg )
392 	msg = 'output from dump_cbmz_gasodeinfo'
393 	call peg_debugmsg( lunout, levdbg, msg )
394 	write(msg,9100) 'oderegime(1-6)', (ioderegime_count(i), i=1,6)
395 	call peg_debugmsg( lunout, levdbg, msg )
396 	write(msg,9100) 'odestatus(1-6)', (iodestatus_count(i), i=1,6)
397 	call peg_debugmsg( lunout, levdbg, msg )
398 
399 	write(msg,9200)   &
400       		'inforodas(1-3)', ((inforodas(j,i), j=1,2), i=1,3)
401 	call peg_debugmsg( lunout, levdbg, msg )
402 	write(msg,9200)   &
403       		'inforodas(4-6)', ((inforodas(j,i), j=1,2), i=4,6)
404 	call peg_debugmsg( lunout, levdbg, msg )
405 
406 9100	format( a, 6i11 )
407 9200	format( a, 3( i11, '--', i9.9 ) )
408 
409 	return
410 	end subroutine print_gasode_stats
411  
412  
413  
414 !***********************************************************************
415 ! < xx.> subr gasodesolver_rodas
416 !
417 ! purpose: interfaces to rodas ode solver
418 !
419 !-----------------------------------------------------------------------
420 
421 	subroutine gasodesolver_rodas( tstart, tstop, iok,   &
422       		isvode, jsvode, ksvode, iregime,   &
423       		mgaschem, lunerr, lunout, levdbg_err, levdbg_info,   &
424 		i_force_dump, inforodas, iodestatus_count, &
425       		abs_error, rel_error, trun,   &
426       		tempbox, pressbox, airdenbox, cboxnew, cboxold,   &
427 		rk_m1, rk_m2, rk_m3, rk_m4 )
428 
429 	use module_data_cbmz
430 	use module_cbmz_rodas_prep, only:                                    &
431 	    cbmz_v02r01_mapconcs, cbmz_v02r01_maprates, cbmz_v02r01_torodas, &
432 	    cbmz_v02r02_mapconcs, cbmz_v02r02_maprates, cbmz_v02r02_torodas, &
433 	    cbmz_v02r03_mapconcs, cbmz_v02r03_maprates, cbmz_v02r03_torodas, &
434 	    cbmz_v02r04_mapconcs, cbmz_v02r04_maprates, cbmz_v02r04_torodas, &
435 	    cbmz_v02r05_mapconcs, cbmz_v02r05_maprates, cbmz_v02r05_torodas, &
436 	    cbmz_v02r06_mapconcs, cbmz_v02r06_maprates, cbmz_v02r06_torodas
437 
438 	implicit none
439 
440 !   subr arguments 
441 	integer iok, isvode, jsvode, ksvode, i_force_dump, iregime,   &
442               mgaschem, lunerr, lunout, levdbg_err, levdbg_info
443 	integer inforodas(2,6), iodestatus_count(6)
444 	real tstart, tstop, abs_error, rel_error, trun
445 	real tempbox, pressbox, airdenbox
446 	real cboxnew(ngas_z), cboxold(ngas_z)
447 	real rk_m1(nrxn_m1), rk_m2(nrxn_m2), rk_m3(nrxn_m3), rk_m4(nrxn_m4)
448 
449 !   local variables
450 	integer               :: ia, idum, idydt_sngldble, ig, l, ntot
451 	integer, save         :: nrodas_failures = 0
452 	integer, dimension(6) :: inforodas_cur
453 
454         real hmin, hstart, taa, tzz
455 	real atolvec(ngas_z), rtolvec(ngas_z),   &
456       		stot(ngas_z),   &
457       		yposlimit(ngas_z), yneglimit(ngas_z)
458 	real sfixedkpp(nfixed_kppmax), rconstkpp(nreact_kppmax)
459 
460 	character*80 msg
461 
462 !   map reaction rate constants (pegasus --> kpp)
463 !   map concentrations (cboxold --> stot)
464 !   dump rates (for debugging)
465 	if (iregime .eq. 1) then
466 	    call cbmz_v02r01_maprates( rk_m1, rk_m2, rk_m3, rk_m4,   &
467       		rconstkpp )
468 	    call cbmz_v02r01_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
469 
470 	else if (iregime .eq. 2) then
471 	    call cbmz_v02r02_maprates( rk_m1, rk_m2, rk_m3, rk_m4,   &
472       		rconstkpp )
473 	    call cbmz_v02r02_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
474 
475 	else if (iregime .eq. 3) then
476 	    call cbmz_v02r03_maprates( rk_m1, rk_m2, rk_m3, rk_m4,   &
477       		rconstkpp )
478 	    call cbmz_v02r03_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
479 
480 	else if (iregime .eq. 4) then
481 	    call cbmz_v02r04_maprates( rk_m1, rk_m2, rk_m3, rk_m4,   &
482       		rconstkpp )
483 	    call cbmz_v02r04_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
484 
485 	else if (iregime .eq. 5) then
486 	    call cbmz_v02r05_maprates( rk_m1, rk_m2, rk_m3, rk_m4,   &
487       		rconstkpp )
488 	    call cbmz_v02r05_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
489 
490 	else
491 	    call cbmz_v02r06_maprates( rk_m1, rk_m2, rk_m3, rk_m4,   &
492       		rconstkpp )
493 	    call cbmz_v02r06_mapconcs( 0, ntot, stot, sfixedkpp, cboxold )
494 	end if
495 
496 !   set parameters for rodas call
497 	do l = 1, ntot
498 	    atolvec(l) = abs_error
499 	    rtolvec(l) = rel_error
500 	    yposlimit(l) = 1.0e20
501 	    yneglimit(l) = -1.0e8
502 	end do
503 
504 	taa = tstart
505 	tzz = tstop
506 	hmin = 1.0e-5
507 	hstart = 60.0
508 	idydt_sngldble = 1
509 
510 !   call rodas integrator
511 !	subr cbmz_v02r06_torodas(
512 !    +	  ngas, taa, tzz,
513 !    +	  stot, atol, rtol, yposlimit, yneglimit,
514 !    +	  hmin, hstart,
515 !    +	  inforodas_cur, iok, lunerr, idydt_sngldble )
516 
517 	if (iregime .eq. 1) then
518 	    call cbmz_v02r01_torodas(   &
519       		ntot, taa, tzz,   &
520       		stot, atolvec, rtolvec, yposlimit, yneglimit,   &
521       		sfixedkpp, rconstkpp,   &
522       		hmin, hstart,   &
523       		inforodas_cur, iok, lunerr, idydt_sngldble )
524 
525 	else if (iregime .eq. 2) then
526 	    call cbmz_v02r02_torodas(   &
527       		ntot, taa, tzz,   &
528       		stot, atolvec, rtolvec, yposlimit, yneglimit,   &
529       		sfixedkpp, rconstkpp,   &
530       		hmin, hstart,   &
531       		inforodas_cur, iok, lunerr, idydt_sngldble )
532 
533 	else if (iregime .eq. 3) then
534 	    call cbmz_v02r03_torodas(   &
535       		ntot, taa, tzz,   &
536       		stot, atolvec, rtolvec, yposlimit, yneglimit,   &
537       		sfixedkpp, rconstkpp,   &
538       		hmin, hstart,   &
539       		inforodas_cur, iok, lunerr, idydt_sngldble )
540 
541 	else if (iregime .eq. 4) then
542 	    call cbmz_v02r04_torodas(   &
543       		ntot, taa, tzz,   &
544       		stot, atolvec, rtolvec, yposlimit, yneglimit,   &
545       		sfixedkpp, rconstkpp,   &
546       		hmin, hstart,   &
547       		inforodas_cur, iok, lunerr, idydt_sngldble )
548 
549 	else if (iregime .eq. 5) then
550 	    call cbmz_v02r05_torodas(   &
551       		ntot, taa, tzz,   &
552       		stot, atolvec, rtolvec, yposlimit, yneglimit,   &
553       		sfixedkpp, rconstkpp,   &
554       		hmin, hstart,   &
555       		inforodas_cur, iok, lunerr, idydt_sngldble )
556 
557 	else
558 	    call cbmz_v02r06_torodas(   &
559       		ntot, taa, tzz,   &
560       		stot, atolvec, rtolvec, yposlimit, yneglimit,   &
561       		sfixedkpp, rconstkpp,   &
562       		hmin, hstart,   &
563       		inforodas_cur, iok, lunerr, idydt_sngldble )
564 	end if
565 
566 
567 !   increment odeinfo counters
568 	if (iok .gt. 0) then
569 	    if (inforodas_cur(6) .le. 0) then
570 		ia = 1
571 	    else
572 		ia = 2
573 	    end if
574 	else
575 	    ia = 3
576 	end if
577 	iodestatus_count(ia) = iodestatus_count(ia) + 1
578 !   do following to avoid overflow of the "inforodas" numbers
579 !       inforodas(2,i) contains rightmost 9 digits of each inforodas number
580 !       inforodas(1,i) contains any higher  digits of each inforodas number
581 	do ia = 1, 6
582 	    idum = inforodas(2,ia) + inforodas_cur(ia)
583 	    inforodas(1,ia) = inforodas(1,ia) + (idum/1000000000)
584 	    inforodas(2,ia) = mod(idum, 1000000000)
585 	end do
586 
587 
588 !   map concentrations (stot --> cboxnew)
589 	if (iregime .eq. 1) then
590 	    call cbmz_v02r01_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
591 	else if (iregime .eq. 2) then
592 	    call cbmz_v02r02_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
593 	else if (iregime .eq. 3) then
594 	    call cbmz_v02r03_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
595 	else if (iregime .eq. 4) then
596 	    call cbmz_v02r04_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
597 	else if (iregime .eq. 5) then
598 	    call cbmz_v02r05_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
599 	else
600 	    call cbmz_v02r06_mapconcs( 1, ntot, stot, sfixedkpp, cboxnew )
601 	end if
602 
603 
604 !   diagnostic output if integration fails OR if i_force_dump > 0
605 	if (iok .gt. 0) then
606 	    if (i_force_dump .le. 0) goto 20000
607 	else
608 	    nrodas_failures = nrodas_failures + 1
609 	    if (nrodas_failures .gt. 100) goto 20000
610 	end if
611 
612 	msg = ' '
613 	call peg_debugmsg( lunout, levdbg_err, msg )
614 	if (iok .gt. 0) then
615 	    msg = '*** gasodesolver_rodas forced dump'
616 	else
617 	    write(msg,*) '*** gasodesolver_rodas failure no.',   &
618       		nrodas_failures
619 	end if
620 	call peg_debugmsg( lunout, levdbg_err, msg )
621 	msg = 'iregime, iok, i, j, k / t'
622 	call peg_debugmsg( lunout, levdbg_err, msg )
623 	write(msg,97010) iregime, iok, isvode, jsvode, ksvode
624 	call peg_debugmsg( lunout, levdbg_err, msg )
625 	write(msg,97020) trun
626 	call peg_debugmsg( lunout, levdbg_err, msg )
627 	msg = 'inforodas_cur(1-6) ='
628 	call peg_debugmsg( lunout, levdbg_err, msg )
629 	write(msg,97010) inforodas_cur
630 	call peg_debugmsg( lunout, levdbg_err, msg )
631 	msg =   &
632 	'tstart, tstop, abs_error, rel_error / temp, press, cair, cos_sza ='
633 	call peg_debugmsg( lunout, levdbg_err, msg )
634 	write(msg,97020) tstart, tstop, abs_error, rel_error
635 	call peg_debugmsg( lunout, levdbg_err, msg )
636 	write(msg,97020) tempbox, pressbox, airdenbox, -99.0
637 	call peg_debugmsg( lunout, levdbg_err, msg )
638 
639 	idum = 0
640 	do ig = nreact_kppmax, 1, -1
641 	    if ((idum .eq. 0) .and. (rconstkpp(ig) .ne. 0.0)) idum = ig
642 	end do
643 	msg = 'ngas_z, nrconst_nonzero ='
644 	call peg_debugmsg( lunout, levdbg_err, msg )
645 	write(msg,97010) ngas_z, idum
646 	call peg_debugmsg( lunout, levdbg_err, msg )
647 	msg = 'l, name, cboxold, cboxnew for l=1,ngas_z'
648 	call peg_debugmsg( lunout, levdbg_err, msg )
649 	do l = 1, ngas_z
650 	    write(msg,97030) l, name_z(l), cboxold(l), cboxnew(l)
651 	    call peg_debugmsg( lunout, levdbg_err, msg )
652 	end do
653 	msg = 'rconst for i=1,nrconst_nonzero'
654 	call peg_debugmsg( lunout, levdbg_err, msg )
655 	do ia = 1, idum, 4
656 	    write(msg,97020) ( rconstkpp(ig), ig = ia, min(ia+3,idum) )
657 	    call peg_debugmsg( lunout, levdbg_err, msg )
658 	end do
659 
660 97010	format( 6i12 )
661 97020	format( 4(1pe18.10) )
662 97030	format(( i3, 1x, a, 2(1pe18.10) ))
663 
664 
665 !   force non-negative values
666 20000	do l = 1, ngas_z
667 	    cboxnew(l) = max( cboxnew(l), 0.0 )
668 	end do
669 
670 	return
671 	end subroutine gasodesolver_rodas                     
672 
673  
674  
675 !***********************************************************************
676 ! < xx.> subr gasodesolver_lsodes
677 !
678 ! purpose: interface to lsodes ode solver
679 !
680 ! author : Rahul A. Zaveri
681 ! date   : May, 2000
682 !
683 !-----------------------------------------------------------------------
684 
685       subroutine gasodesolver_lsodes( tstart, tstop, iok,   &
686       		isvode, jsvode, ksvode, iregime,   &
687       		mgaschem, lunerr, lunout, levdbg_err, levdbg_info,   &
688 		i_force_dump, iodestatus_count, &
689       		abs_error, rel_error, trun,   &
690       		tempbox, pressbox, airdenbox, cboxnew, cboxold,   &
691 		rk_m1, rk_m2, rk_m3, rk_m4 )
692 
693       use module_data_cbmz
694       use module_cbmz_lsodes_solver, only:  lsodes_solver, xsetf,   &
695                                             set_lsodes_common_vars
696       implicit none
697 
698 !   subr arguments 
699       integer i, iok, isvode, jsvode, ksvode, i_force_dump, iregime,   &
700               mgaschem, lunerr, lunout, levdbg_err, levdbg_info
701       integer iodestatus_count(6)
702       real tstart, tstop, abs_error, rel_error, trun
703       real tempbox, pressbox, airdenbox
704       real cboxnew(ngas_z), cboxold(ngas_z)
705       real rk_m1(nrxn_m1), rk_m2(nrxn_m2), rk_m3(nrxn_m3), rk_m4(nrxn_m4)
706 
707 ! lsodes parameters and local variables
708       integer itoler, itask, iopt, mf, lwm, nrdim, nidim
709       integer nruserpar, niuserpar
710       parameter( itoler = 1, itask = 1, iopt = 1, mf= 222 )
711       parameter( lwm = 3*ngas_tot*ngas_tot + 12*ngas_tot )
712       parameter( nrdim = 20 + 9*ngas_tot + lwm )
713       parameter( nidim = 31 + ngas_tot + ngas_tot*ngas_tot )
714       parameter( nruserpar = 5 + nrxn_m1 + nrxn_m2 + nrxn_m3 + nrxn_m4)
715       parameter( niuserpar = ngas_z + 1 )
716 
717       integer ia, idum, ig, ioffset, istate, iwork(nidim), l
718       integer ntotvec(1), iuserpar(niuserpar)
719       integer indx(ngas_z)
720       integer, save :: iflagout = 0
721       integer, save :: nlsodes_failures = 0
722 
723       real dtchem, rwork(nrdim), stot(ngas_tot)
724       real atolvec(1), rtolvec(1), ruserpar(nruserpar)
725 
726       character*80 msg
727 
728 
729 
730       iok = 1				! reset
731 
732       call set_lsodes_common_vars()
733 
734 ! sets gas species indices for iregime
735       call setgasindices( iregime, indx )
736 
737 ! map cboxold --> stot
738       call mapgasspecies( cboxold, stot, 0, iregime, indx )
739 
740 !----------------------------------------------------------------------
741 ! set number of species (ntot) for the selected regime for LSODES
742       if      (iregime .eq. 1) then
743           ntotvec(1) = ngas_r1
744       else if (iregime .eq. 2) then
745           ntotvec(1) = ngas_r2
746       else if (iregime .eq. 3) then
747           ntotvec(1) = ngas_r3
748       else if (iregime .eq. 4) then
749           ntotvec(1) = ngas_r4
750       else if (iregime .eq. 5) then
751           ntotvec(1) = ngas_r5
752       else
753           ntotvec(1) = ngas_r6
754       end if
755 
756 100   continue
757 
758 ! set other LSODES parameters...
759       iwork(6) = 1000		! max iterations for a time step
760       iwork(7) = 1
761       istate   = 1
762       rwork(6) = dtchem
763       if(iflagout.eq.0)then
764           call xsetf(iflagout)
765       endif
766 
767       atolvec(1) = abs_error
768       rtolvec(1) = rel_error
769 
770       do ig = 1, 5
771           ruserpar(ig) = ig*7.0
772       end do
773       ruserpar(1) = cboxold(ih2o_z)
774       ruserpar(2) = cboxold(ich4_z)
775       ruserpar(3) = cboxold(io2_z)
776       ruserpar(4) = cboxold(in2_z)
777       ruserpar(5) = cboxold(ih2_z)
778       ioffset = 5
779       do ig = 1, nrxn_m1
780           ruserpar(ioffset+ig) = rk_m1(ig)
781       end do
782       ioffset = ioffset + nrxn_m1
783       do ig = 1, nrxn_m2
784           ruserpar(ioffset+ig) = rk_m2(ig)
785       end do
786       ioffset = ioffset + nrxn_m2
787       do ig = 1, nrxn_m3
788           ruserpar(ioffset+ig) = rk_m3(ig)
789       end do
790       ioffset = ioffset + nrxn_m3
791       do ig = 1, nrxn_m4
792           ruserpar(ioffset+ig) = rk_m4(ig)
793       end do
794 
795       iuserpar(1) = iregime
796       do ig = 1, ngas_z
797           iuserpar(1+ig) = indx(ig)
798       end do
799 
800       call lsodes_solver(   &
801                 gasode_cbmz, ntotvec, stot, tstart, tstop,   &
802       		itoler, rtolvec, atolvec, itask, istate, iopt,   &
803       		rwork, nrdim, iwork, nidim, jcs, mf,   &
804       		ruserpar, nruserpar, iuserpar, niuserpar )
805 
806       if (istate .le. 0) iok = -1
807 
808 
809 !   increment odeinfo counters
810       if (iok .gt. 0) then
811           ia = 4
812       else
813           ia = 5
814       end if
815       iodestatus_count(ia) = iodestatus_count(ia) + 1
816 
817 
818 ! map stot --> cboxnew
819 	call mapgasspecies( cboxnew, stot, 1, iregime, indx )
820 
821 
822 ! do diagnostic output if integration fails OR if i_force_dump > 0
823 	if (iok .gt. 0) then
824 	    if (i_force_dump .le. 0) goto 20000
825 	else
826 	    nlsodes_failures = nlsodes_failures + 1
827 	end if
828 
829 	msg = ' '
830 	call peg_debugmsg( lunout, levdbg_err, msg )
831 	if (iok .gt. 0) then
832 	    msg = '*** gasodesolver_lsodes forced dump'
833 	else
834 	    write(msg,*) '*** gasodesolver_lsodes failure no.',   &
835 		nlsodes_failures
836 	end if
837 	call peg_debugmsg( lunout, levdbg_err, msg )
838 	msg = 'iregime, iok, i, j, k / t'
839 	call peg_debugmsg( lunout, levdbg_err, msg )
840 	write(msg,97010) iregime, iok, isvode, jsvode, ksvode
841 	call peg_debugmsg( lunout, levdbg_err, msg )
842 	write(msg,97020) trun
843 	call peg_debugmsg( lunout, levdbg_err, msg )
844 	if (nlsodes_failures .gt. 1000) then
845 	    write(msg,*) '*** exceeded lsodes failure limit =', 1000
846 	    call peg_debugmsg( lunout, levdbg_err, msg )
847 	    call peg_error_fatal( lunerr, msg )
848 	end if
849 	if (nlsodes_failures .gt. 100) goto 20000
850 
851 	write(msg,*) 'istate -', istate
852 	call peg_debugmsg( lunout, levdbg_err, msg )
853 	msg =   &
854 	'tstart, tstop, abs_error, rel_error / temp, press, cair, cos_sza ='
855 	call peg_debugmsg( lunout, levdbg_err, msg )
856 	write(msg,97020) tstart, tstop, abs_error, rel_error
857 	call peg_debugmsg( lunout, levdbg_err, msg )
858 	write(msg,97020) tempbox, pressbox, airdenbox, -99.0
859 	call peg_debugmsg( lunout, levdbg_err, msg )
860 
861 	idum = nrxn_m1 + nrxn_m2 + nrxn_m3 + nrxn_m4
862 	msg = 'ngas_z, nrconst_m1+m2+m3+m4 ='
863 	call peg_debugmsg( lunout, levdbg_err, msg )
864 	write(msg,97010) ngas_z, idum
865 	call peg_debugmsg( lunout, levdbg_err, msg )
866 	msg = 'l, name, cboxold, cboxnew for l=1,ngas_z'
867 	call peg_debugmsg( lunout, levdbg_err, msg )
868 	do l = 1, ngas_z
869 	    write(msg,97030) l, name_z(l), cboxold(l), cboxnew(l)
870 	    call peg_debugmsg( lunout, levdbg_err, msg )
871 	end do
872 	msg = 'rconst for i=1,nrconst_nonzero'
873 	call peg_debugmsg( lunout, levdbg_err, msg )
874 	do ia = 1, nrxn_m1, 4
875 	    write(msg,97020) ( rk_m1(ig), ig = ia, min(ia+3,nrxn_m1) )
876 	    call peg_debugmsg( lunout, levdbg_err, msg )
877 	end do
878 	do ia = 1, nrxn_m2, 4
879 	    write(msg,97020) ( rk_m2(ig), ig = ia, min(ia+3,nrxn_m2) )
880 	    call peg_debugmsg( lunout, levdbg_err, msg )
881 	end do
882 	do ia = 1, nrxn_m3, 4
883 	    write(msg,97020) ( rk_m3(ig), ig = ia, min(ia+3,nrxn_m3) )
884 	    call peg_debugmsg( lunout, levdbg_err, msg )
885 	end do
886 	do ia = 1, nrxn_m4, 4
887 	    write(msg,97020) ( rk_m4(ig), ig = ia, min(ia+3,nrxn_m4) )
888 	    call peg_debugmsg( lunout, levdbg_err, msg )
889 	end do
890 
891 97010	format( 6i12 )
892 97020	format( 4(1pe18.10) )
893 97030	format(( i3, 1x, a, 2(1pe18.10) ))
894 
895 
896 !   force non-negative values
897 20000	do l = 1, ngas_z
898 	    cboxnew(l) = max( cboxnew(l), 0.0 )
899 	end do
900 
901       return
902       end subroutine gasodesolver_lsodes                     
903  
904  
905  
906 !***********************************************************************
907 ! < 2.> subr selectgasregime
908 !
909 ! purpose: selects an optimum combination of gas-phase
910 !          mechanisms based on sensitivity of [OH]
911 !          concentrations to some lumped structure
912 !          hydrocarbon groups concentrations and [DMS]
913 !          concentration.
914 !
915 ! input : cbox      = full species concentrations array (mol/cc)
916 !
917 ! output: iregime   = 1     : com
918 !                   = 2     : com + urb
919 !                   = 3     : com + urb + bio
920 !                   = 4     : com + mar
921 !                   = 5     : com + urb + mar
922 !                   = 6     : com + urb + bio + mar
923 !         ntot      = number of gas-phase species in the selected mechanism
924 !
925 ! author: Rahul A. Zaveri
926 ! date  : April 2000
927 !
928 !---------------------------------------------------------------------
929 
930       subroutine selectgasregime( iregime, iregime_forced, cbox,   &
931               igaschem_allowed_m1, igaschem_allowed_m2,   &
932               igaschem_allowed_m3, igaschem_allowed_m4 )
933 
934       use module_data_cbmz
935       implicit none
936 
937 !   subr arguments 
938       integer iregime, iregime_forced
939       integer igaschem_allowed_m1, igaschem_allowed_m2,   &
940               igaschem_allowed_m3, igaschem_allowed_m4
941       real cbox(ngas_z)
942 
943 !   local variables
944       integer iwork(6)
945       integer m_m1, m_m2, m_m3, m_m4
946       real cut_molecpcc
947 
948 
949       cut_molecpcc = 5.e+6		! molecules/cc
950 
951 ! initialize mechanism flags
952       m_m1 = 1	! 1 (always)
953       m_m2 = 0	! 0 or 1
954       m_m3 = 0	! 0 or 2
955       m_m4 = 0	! 0 or 3
956 
957       if (igaschem_allowed_m2 .gt. 0) then
958           if (cbox(ipar_z     ) .gt. cut_molecpcc) m_m2 = 1
959           if (cbox(iaone_z    ) .gt. cut_molecpcc) m_m2 = 1
960           if (cbox(imgly_z    ) .gt. cut_molecpcc) m_m2 = 1
961           if (cbox(ieth_z     ) .gt. cut_molecpcc) m_m2 = 1
962           if (cbox(iolet_z    ) .gt. cut_molecpcc) m_m2 = 1
963           if (cbox(iolei_z    ) .gt. cut_molecpcc) m_m2 = 1
964           if (cbox(ixyl_z     ) .gt. cut_molecpcc) m_m2 = 1
965           if (cbox(icres_z    ) .gt. cut_molecpcc) m_m2 = 1
966           if (cbox(ito2_z     ) .gt. cut_molecpcc) m_m2 = 1
967           if (cbox(icro_z     ) .gt. cut_molecpcc) m_m2 = 1
968           if (cbox(iopen_z    ) .gt. cut_molecpcc) m_m2 = 1
969           if (cbox(ionit_z    ) .gt. cut_molecpcc) m_m2 = 1
970           if (cbox(irooh_z    ) .gt. cut_molecpcc) m_m2 = 1
971           if (cbox(iro2_z     ) .gt. cut_molecpcc) m_m2 = 1
972           if (cbox(iano2_z    ) .gt. cut_molecpcc) m_m2 = 1
973           if (cbox(inap_z     ) .gt. cut_molecpcc) m_m2 = 1
974           if (cbox(ixo2_z     ) .gt. cut_molecpcc) m_m2 = 1
975           if (cbox(ixpar_z    ) .gt. cut_molecpcc) m_m2 = 1
976       end if
977 
978       if (igaschem_allowed_m3 .gt. 0) then
979           if (cbox(iisop_z    ) .gt. cut_molecpcc) m_m3 = 2
980           if (cbox(iisoprd_z  ) .gt. cut_molecpcc) m_m3 = 2
981           if (cbox(iisopp_z   ) .gt. cut_molecpcc) m_m3 = 2
982           if (cbox(iisopn_z   ) .gt. cut_molecpcc) m_m3 = 2
983           if (cbox(iisopo2_z  ) .gt. cut_molecpcc) m_m3 = 2
984       end if
985 
986       if (igaschem_allowed_m4 .gt. 0) then
987           if (cbox(idms_z        ) .gt. cut_molecpcc) m_m4 = 3
988           if (cbox(imsa_z        ) .gt. cut_molecpcc) m_m4 = 3
989           if (cbox(idmso_z       ) .gt. cut_molecpcc) m_m4 = 3
990           if (cbox(idmso2_z      ) .gt. cut_molecpcc) m_m4 = 3
991           if (cbox(ich3so2h_z    ) .gt. cut_molecpcc) m_m4 = 3
992           if (cbox(ich3sch2oo_z  ) .gt. cut_molecpcc) m_m4 = 3
993           if (cbox(ich3so2_z     ) .gt. cut_molecpcc) m_m4 = 3
994           if (cbox(ich3so3_z     ) .gt. cut_molecpcc) m_m4 = 3
995           if (cbox(ich3so2oo_z   ) .gt. cut_molecpcc) m_m4 = 3
996           if (cbox(ich3so2ch2oo_z) .gt. cut_molecpcc) m_m4 = 3
997           if (cbox(imtf_z        ) .gt. cut_molecpcc) m_m4 = 3
998       end if
999 
1000       iregime = m_m1 + m_m2*((2-m_m3)/2) + m_m3 + m_m4
1001 
1002 !   force iregime = iregime_forced
1003       if ((iregime_forced .ge. 1) .and. (iregime_forced .le. 6))   &
1004           iregime = iregime_forced
1005 
1006       return
1007       end subroutine selectgasregime                        
1008  
1009  
1010  
1011 !***********************************************************************
1012 ! < 3.> subr setgasindices
1013 !
1014 ! purpose: sets gas species indices
1015 !
1016 ! author : Rahul A. Zaveri
1017 ! date   : May, 2000
1018 !
1019 !-----------------------------------------------------------------------
1020 
1021       subroutine setgasindices( iregime, indx )
1022 
1023       use module_data_cbmz
1024       implicit none
1025 
1026 !   subr arguments
1027       integer iregime, indx(ngas_z)
1028 
1029 !   local variables
1030       integer ilast
1031 
1032       ilast = 0
1033       indx(:) = -999888777
1034 
1035       goto (1,2,3,4,5,6), iregime
1036 
1037 1     call setgasindex_m1( ilast, indx )		! regime 1
1038       return
1039 
1040 2     call setgasindex_m1( ilast, indx )		! regime 2
1041       call setgasindex_m2( ilast, indx )
1042       return
1043 
1044 3     call setgasindex_m1( ilast, indx )		! regime 3
1045       call setgasindex_m2( ilast, indx )
1046       call setgasindex_m3( ilast, indx )
1047       return
1048 
1049 4     call setgasindex_m1( ilast, indx )		! regime 4
1050       call setgasindex_m4( ilast, indx )
1051       return
1052 
1053 5     call setgasindex_m1( ilast, indx )		! regime 5
1054       call setgasindex_m2( ilast, indx )
1055       call setgasindex_m4( ilast, indx )
1056       return
1057 
1058 6     call setgasindex_m1( ilast, indx )		! regime 6
1059       call setgasindex_m2( ilast, indx )
1060       call setgasindex_m3( ilast, indx )
1061       call setgasindex_m4( ilast, indx )
1062       return
1063 
1064       end subroutine setgasindices
1065 
1066  
1067  
1068  
1069 !***********************************************************************
1070 ! < 4.> subr gasrateconstants
1071 !
1072 ! purpose: calls regime-dependent subrs for calculating
1073 !          gas-phase thermal reaction rate constants
1074 !
1075 ! author : Rahul A. Zaveri
1076 ! date   : May, 2000
1077 !
1078 !-----------------------------------------------------------------------
1079 
1080       subroutine gasrateconstants( iregime, tempbox, cair_mlc,   &
1081 		rk_photo, rk_param, rk_m1, rk_m2, rk_m3, rk_m4 )
1082 
1083       use module_data_cbmz
1084       implicit none
1085 
1086 !   subr arguments 
1087       integer iregime
1088       real tempbox, cair_mlc
1089       real rk_photo(nphoto), rk_param(nperox)
1090       real rk_m1(nrxn_m1), rk_m2(nrxn_m2), rk_m3(nrxn_m3), rk_m4(nrxn_m4)
1091 
1092 
1093 !   iregime=1 --> do m1
1094 !   iregime=2 --> do m1, m2
1095 !   iregime=3 --> do m1, m2, m3
1096 !   iregime=4 --> do m1, --, --, m4
1097 !   iregime=5 --> do m1, m2, --, m4
1098 !   iregime=6 --> do m1, m2, m3, m4
1099 
1100       call gasthermrk_m1( tempbox, cair_mlc,   &
1101                           rk_photo, rk_param, rk_m1, rk_m2 )
1102 
1103       if ((iregime .eq. 2) .or.   &
1104           (iregime .eq. 3) .or.   &
1105           (iregime .eq. 5) .or.   &
1106           (iregime .eq. 6))       &
1107           call gasthermrk_m2( tempbox, cair_mlc,   &
1108                               rk_photo, rk_param, rk_m2 )
1109 
1110       if ((iregime .eq. 3) .or.   &
1111           (iregime .eq. 6))       &
1112           call gasthermrk_m3( tempbox, cair_mlc,   &
1113                               rk_photo, rk_param, rk_m3 )
1114 
1115       if ((iregime .eq. 4) .or.   &
1116           (iregime .eq. 5) .or.   &
1117           (iregime .eq. 6))       &
1118           call gasthermrk_m4( tempbox, cair_mlc,   &
1119                               rk_photo, rk_param, rk_m4 )
1120 
1121       return
1122       end subroutine gasrateconstants           
1123  
1124  
1125  
1126 !***********************************************************************
1127 ! < 3.> subr setgasindex_m1
1128 !
1129 ! purpose: defines gas species indices for regime 1
1130 !
1131 ! author : Rahul A. Zaveri
1132 ! date   : December, 1998
1133 !
1134 !-----------------------------------------------------------------------
1135 
1136       subroutine setgasindex_m1( ilast, indx )
1137 
1138       use module_data_cbmz
1139       implicit none
1140 
1141 !   subr arguments 
1142       integer ilast, indx(ngas_z)
1143 
1144 
1145       indx(ino_z)	= 1
1146       indx(ino2_z)	= 2
1147       indx(ino3_z)	= 3
1148       indx(in2o5_z)	= 4
1149       indx(ihono_z)	= 5
1150       indx(ihno3_z)	= 6
1151       indx(ihno4_z)	= 7
1152       indx(io3_z)	= 8
1153       indx(io1d_z)	= 9
1154       indx(io3p_z)	= 10
1155       indx(ioh_z)	= 11
1156       indx(iho2_z)	= 12
1157       indx(ih2o2_z)	= 13
1158       indx(ico_z)	= 14
1159       indx(iso2_z)	= 15
1160       indx(ih2so4_z)	= 16
1161       indx(inh3_z)	= 17
1162       indx(ihcl_z)	= 18
1163       indx(ic2h6_z)	= 19
1164       indx(ich3o2_z)	= 20
1165       indx(iethp_z)	= 21
1166       indx(ihcho_z)	= 22
1167       indx(ich3oh_z)	= 23
1168       indx(ic2h5oh_z)	= 24
1169       indx(ich3ooh_z)	= 25
1170       indx(iethooh_z)	= 26
1171       indx(iald2_z)	= 27
1172       indx(ihcooh_z)	= 28
1173       indx(ircooh_z)	= 29
1174       indx(ic2o3_z)	= 30
1175       indx(ipan_z)	= 31
1176 
1177       ilast = indx(ipan_z)
1178  
1179       return
1180       end subroutine setgasindex_m1       
1181  
1182  
1183  
1184 !***********************************************************************
1185 ! < 4.> subr setgasindex_m2
1186 !
1187 ! purpose: defines gas species indices for regime 2
1188 !
1189 ! author : Rahul A. Zaveri
1190 ! date   : December, 1998
1191 !
1192 !-----------------------------------------------------------------------
1193       subroutine setgasindex_m2( ilast, indx )
1194 
1195       use module_data_cbmz
1196       implicit none
1197 
1198 !   subr arguments 
1199       integer ilast, indx(ngas_z)
1200 
1201 
1202       indx(ipar_z)	= ilast + 1
1203       indx(iaone_z)	= ilast + 2
1204       indx(imgly_z)	= ilast + 3
1205       indx(ieth_z)	= ilast + 4
1206       indx(iolet_z)	= ilast + 5
1207       indx(iolei_z)	= ilast + 6
1208       indx(itol_z)	= ilast + 7
1209       indx(ixyl_z)	= ilast + 8
1210       indx(icres_z)	= ilast + 9
1211       indx(ito2_z)	= ilast + 10
1212       indx(icro_z)	= ilast + 11
1213       indx(iopen_z)	= ilast + 12
1214       indx(ionit_z)	= ilast + 13
1215 !     indx(ipan_z)	= ilast + 14
1216 !     indx(ircooh_z)	= ilast + 15
1217       indx(irooh_z)	= ilast + 14
1218 !     indx(ic2o3_z)	= ilast + 17
1219       indx(iro2_z)	= ilast + 15
1220       indx(iano2_z)	= ilast + 16
1221       indx(inap_z)	= ilast + 17
1222       indx(ixo2_z)	= ilast + 18
1223       indx(ixpar_z)	= ilast + 19
1224 
1225       ilast = indx(ixpar_z)
1226  
1227       return
1228       end subroutine setgasindex_m2       
1229  
1230  
1231  
1232 !***********************************************************************
1233 ! < 5.> subr setgasindex_m3
1234 !
1235 ! purpose: defines gas species indices for regime 3
1236 !
1237 ! author : Rahul A. Zaveri
1238 ! date   : December, 1998
1239 !
1240 !-----------------------------------------------------------------------
1241       subroutine setgasindex_m3( ilast, indx )
1242 
1243       use module_data_cbmz
1244       implicit none
1245 
1246 !   subr arguments 
1247       integer ilast, indx(ngas_z)
1248 
1249 
1250       indx(iisop_z)	= ilast + 1
1251       indx(iisoprd_z)	= ilast + 2
1252       indx(iisopp_z)	= ilast + 3
1253       indx(iisopn_z)	= ilast + 4
1254       indx(iisopo2_z)	= ilast + 5
1255 
1256       ilast = indx(iisopo2_z)
1257  
1258       return
1259       end subroutine setgasindex_m3       
1260  
1261  
1262  
1263 !***********************************************************************
1264 ! < 6.> subr setgasindex_m4
1265 !
1266 ! purpose: defines gas species indices for regime 4
1267 !
1268 ! author : Rahul A. Zaveri
1269 ! date   : December, 1998
1270 !
1271 !-----------------------------------------------------------------------
1272 
1273       subroutine setgasindex_m4( ilast, indx )
1274 
1275       use module_data_cbmz
1276       implicit none
1277 
1278 !   subr arguments 
1279       integer ilast, indx(ngas_z)
1280 
1281 
1282 !
1283       indx(idms_z)		= ilast + 1
1284       indx(imsa_z)		= ilast + 2
1285       indx(idmso_z)		= ilast + 3
1286       indx(idmso2_z)		= ilast + 4
1287       indx(ich3so2h_z)		= ilast + 5
1288       indx(ich3sch2oo_z)	= ilast + 6
1289       indx(ich3so2_z)		= ilast + 7
1290       indx(ich3so3_z)		= ilast + 8
1291       indx(ich3so2oo_z)	= ilast + 9
1292       indx(ich3so2ch2oo_z)	= ilast + 10
1293       indx(imtf_z)		= ilast + 11
1294 
1295       ilast = indx(imtf_z)
1296  
1297       return
1298       end subroutine setgasindex_m4       
1299  
1300  
1301  
1302 !***********************************************************************
1303 ! < 9.> subr mapgasspecies
1304 !
1305 ! purpose: map gas species between stot and cbox arrays
1306 !
1307 ! author : Rahul A. Zaveri
1308 ! date   : December, 1998
1309 !
1310 ! ----------------------------------------------------------------------
1311 
1312       subroutine mapgasspecies( cbox, stot, imap, iregime, indx )
1313 
1314       use module_data_cbmz
1315       implicit none
1316 
1317 !   subr arguments 
1318       integer imap, iregime, indx(ngas_z)
1319       real cbox(ngas_z)
1320       real stot(ngas_tot)
1321 !
1322 !
1323       goto (1,2,3,4,5,6), iregime
1324 !
1325 !
1326 1     call mapgas_m1( cbox, stot, imap, indx )
1327       return
1328 !
1329 !
1330 2     call mapgas_m1( cbox, stot, imap, indx )
1331       call mapgas_m2( cbox, stot, imap, indx )
1332       return
1333 !
1334 !
1335 3     call mapgas_m1( cbox, stot, imap, indx )
1336       call mapgas_m2( cbox, stot, imap, indx )
1337       call mapgas_m3( cbox, stot, imap, indx )
1338       return
1339 !
1340 !
1341 4     call mapgas_m1( cbox, stot, imap, indx )
1342       call mapgas_m4( cbox, stot, imap, indx )
1343       return
1344 !
1345 !
1346 5     call mapgas_m1( cbox, stot, imap, indx )
1347       call mapgas_m2( cbox, stot, imap, indx )
1348       call mapgas_m4( cbox, stot, imap, indx )
1349       return
1350 !
1351 !
1352 6     call mapgas_m1( cbox, stot, imap, indx )
1353       call mapgas_m2( cbox, stot, imap, indx )
1354       call mapgas_m3( cbox, stot, imap, indx )
1355       call mapgas_m4( cbox, stot, imap, indx )
1356       return
1357  
1358       end subroutine mapgasspecies                    
1359  
1360  
1361  
1362 !***********************************************************************
1363 ! <10.> subr mapgas_m1
1364 !
1365 ! purpose: maps gas species between stot and cbox arrays for mechanism 1
1366 !
1367 ! author : Rahul A. Zaveri
1368 ! date   : December, 1998
1369 !
1370 ! ----------------------------------------------------------------------
1371 
1372       subroutine mapgas_m1( cbox, stot, imap, indx )
1373 
1374       use module_data_cbmz
1375       implicit none
1376 
1377 !   subr arguments 
1378       integer imap, indx(ngas_z)
1379       real cbox(ngas_z)
1380       real stot(ngas_tot)
1381 
1382       if(imap.eq.0)then    ! map cbox --> stot (both molec/cc)
1383       stot(indx(ino_z))	= cbox(ino_z)
1384       stot(indx(ino2_z))	= cbox(ino2_z)
1385       stot(indx(ino3_z))	= cbox(ino3_z)
1386       stot(indx(in2o5_z))	= cbox(in2o5_z)
1387       stot(indx(ihono_z))	= cbox(ihono_z)
1388       stot(indx(ihno3_z))	= cbox(ihno3_z)
1389       stot(indx(ihno4_z))	= cbox(ihno4_z)
1390       stot(indx(io3_z))	= cbox(io3_z)
1391       stot(indx(io1d_z))	= cbox(io1d_z)
1392       stot(indx(io3p_z))	= cbox(io3p_z)
1393       stot(indx(ioh_z))	= cbox(ioh_z)
1394       stot(indx(iho2_z))	= cbox(iho2_z)
1395       stot(indx(ih2o2_z))	= cbox(ih2o2_z)
1396       stot(indx(ico_z))	= cbox(ico_z)
1397       stot(indx(iso2_z))	= cbox(iso2_z)
1398       stot(indx(ih2so4_z))	= cbox(ih2so4_z)
1399       stot(indx(inh3_z))	= cbox(inh3_z)
1400       stot(indx(ihcl_z))	= cbox(ihcl_z)
1401       stot(indx(ic2h6_z))	= cbox(ic2h6_z)
1402       stot(indx(ich3o2_z))	= cbox(ich3o2_z)
1403       stot(indx(iethp_z))	= cbox(iethp_z)
1404       stot(indx(ihcho_z))	= cbox(ihcho_z)
1405       stot(indx(ich3oh_z))	= cbox(ich3oh_z)
1406       stot(indx(ic2h5oh_z))	= cbox(ic2h5oh_z)
1407       stot(indx(ich3ooh_z))	= cbox(ich3ooh_z)
1408       stot(indx(iethooh_z))	= cbox(iethooh_z)
1409       stot(indx(iald2_z))	= cbox(iald2_z)
1410       stot(indx(ihcooh_z))	= cbox(ihcooh_z)
1411       stot(indx(ircooh_z))	= cbox(ircooh_z)
1412       stot(indx(ic2o3_z))	= cbox(ic2o3_z)
1413       stot(indx(ipan_z))	= cbox(ipan_z)
1414 !
1415       else                 ! map stot --> cbox (both molec/cc)
1416       cbox(ino_z)	= stot(indx(ino_z))
1417       cbox(ino2_z)	= stot(indx(ino2_z))
1418       cbox(ino3_z)	= stot(indx(ino3_z))
1419       cbox(in2o5_z)	= stot(indx(in2o5_z))
1420       cbox(ihono_z)	= stot(indx(ihono_z))
1421       cbox(ihno3_z)	= stot(indx(ihno3_z))
1422       cbox(ihno4_z)	= stot(indx(ihno4_z))
1423       cbox(io3_z)	= stot(indx(io3_z))
1424       cbox(io1d_z)	= stot(indx(io1d_z))
1425       cbox(io3p_z)	= stot(indx(io3p_z))
1426       cbox(ioh_z)	= stot(indx(ioh_z))
1427       cbox(iho2_z)	= stot(indx(iho2_z))
1428       cbox(ih2o2_z)	= stot(indx(ih2o2_z))
1429       cbox(ico_z)	= stot(indx(ico_z))
1430       cbox(iso2_z)	= stot(indx(iso2_z))
1431       cbox(ih2so4_z)	= stot(indx(ih2so4_z))
1432       cbox(inh3_z)	= stot(indx(inh3_z))
1433       cbox(ihcl_z)	= stot(indx(ihcl_z))
1434       cbox(ic2h6_z)	= stot(indx(ic2h6_z))
1435       cbox(ich3o2_z)	= stot(indx(ich3o2_z))
1436       cbox(iethp_z)	= stot(indx(iethp_z))
1437       cbox(ihcho_z)	= stot(indx(ihcho_z))
1438       cbox(ich3oh_z)	= stot(indx(ich3oh_z))
1439       cbox(ic2h5oh_z)	= stot(indx(ic2h5oh_z))
1440       cbox(ich3ooh_z)	= stot(indx(ich3ooh_z))
1441       cbox(iethooh_z)	= stot(indx(iethooh_z))
1442       cbox(iald2_z)	= stot(indx(iald2_z))
1443       cbox(ihcooh_z)	= stot(indx(ihcooh_z))
1444       cbox(ircooh_z)	= stot(indx(ircooh_z))
1445       cbox(ic2o3_z)	= stot(indx(ic2o3_z))
1446       cbox(ipan_z)	= stot(indx(ipan_z))
1447       endif
1448  
1449       return
1450       end subroutine mapgas_m1                    
1451  
1452  
1453  
1454 !***********************************************************************
1455 ! <11.> subr mapgas_m2
1456 !
1457 ! purpose: maps gas species between stot and cbox arrays for mechanism 2
1458 !
1459 ! author : Rahul A. Zaveri
1460 ! date   : December, 1998
1461 !
1462 ! ----------------------------------------------------------------------
1463 
1464       subroutine mapgas_m2( cbox, stot, imap, indx )
1465 
1466       use module_data_cbmz
1467       implicit none
1468 
1469 !   subr arguments 
1470       integer imap, indx(ngas_z)
1471       real cbox(ngas_z)
1472       real stot(ngas_tot)
1473 
1474       if(imap.eq.0)then    ! map cbox --> stot (both molec/cc)
1475       stot(indx(ipar_z))	= cbox(ipar_z)
1476       stot(indx(iaone_z))	= cbox(iaone_z)
1477       stot(indx(imgly_z))	= cbox(imgly_z)
1478       stot(indx(ieth_z))	= cbox(ieth_z)
1479       stot(indx(iolet_z))	= cbox(iolet_z)
1480       stot(indx(iolei_z))	= cbox(iolei_z)
1481       stot(indx(itol_z))	= cbox(itol_z)
1482       stot(indx(ixyl_z))	= cbox(ixyl_z)
1483       stot(indx(icres_z))	= cbox(icres_z)
1484       stot(indx(ito2_z))	= cbox(ito2_z)
1485       stot(indx(icro_z))	= cbox(icro_z)
1486       stot(indx(iopen_z))	= cbox(iopen_z)
1487       stot(indx(ionit_z))	= cbox(ionit_z)
1488 !     stot(indx(ipan_z))	= cbox(ipan_z)
1489 !     stot(indx(ircooh_z))	= cbox(ircooh_z)
1490       stot(indx(irooh_z))	= cbox(irooh_z)
1491 !     stot(indx(ic2o3_z))	= cbox(ic2o3_z)
1492       stot(indx(iro2_z))	= cbox(iro2_z)
1493       stot(indx(iano2_z))	= cbox(iano2_z)
1494       stot(indx(inap_z))	= cbox(inap_z)
1495       stot(indx(ixo2_z))	= cbox(ixo2_z)
1496       stot(indx(ixpar_z))	= cbox(ixpar_z)
1497 !
1498       else                 ! map stot --> cbox (both molec/cc)
1499       cbox(ipar_z)	= stot(indx(ipar_z))
1500       cbox(iaone_z)	= stot(indx(iaone_z))
1501       cbox(imgly_z)	= stot(indx(imgly_z))
1502       cbox(ieth_z)	= stot(indx(ieth_z))
1503       cbox(iolet_z)	= stot(indx(iolet_z))
1504       cbox(iolei_z)	= stot(indx(iolei_z))
1505       cbox(itol_z)	= stot(indx(itol_z))
1506       cbox(ixyl_z)	= stot(indx(ixyl_z))
1507       cbox(icres_z)	= stot(indx(icres_z))
1508       cbox(ito2_z)	= stot(indx(ito2_z))
1509       cbox(icro_z)	= stot(indx(icro_z))
1510       cbox(iopen_z)	= stot(indx(iopen_z))
1511       cbox(ionit_z)	= stot(indx(ionit_z))
1512 !     cbox(ipan_z)	= stot(indx(ipan_z))
1513 !     cbox(ircooh_z)	= stot(indx(ircooh_z))
1514       cbox(irooh_z)	= stot(indx(irooh_z))
1515 !     cbox(ic2o3_z)	= stot(indx(ic2o3_z))
1516       cbox(iro2_z)	= stot(indx(iro2_z))
1517       cbox(iano2_z)	= stot(indx(iano2_z))
1518       cbox(inap_z)	= stot(indx(inap_z))
1519       cbox(ixo2_z)	= stot(indx(ixo2_z))
1520       cbox(ixpar_z)	= stot(indx(ixpar_z))
1521       endif
1522 
1523       return
1524       end subroutine mapgas_m2                    
1525  
1526  
1527  
1528 !***********************************************************************
1529 ! <12.> subr mapgas_m3
1530 !
1531 ! purpose: maps gas species between stot and cbox arrays for mechanism 3
1532 !
1533 ! author : Rahul A. Zaveri
1534 ! date   : December, 1998
1535 !
1536 ! ----------------------------------------------------------------------
1537 
1538       subroutine mapgas_m3( cbox, stot, imap, indx )
1539 
1540       use module_data_cbmz
1541       implicit none
1542 
1543 !   subr arguments 
1544       integer imap, indx(ngas_z)
1545       real cbox(ngas_z)
1546       real stot(ngas_tot)
1547 
1548       if(imap.eq.0)then    ! map cbox --> stot (both molec/cc)
1549       stot(indx(iisop_z))	= cbox(iisop_z)
1550       stot(indx(iisoprd_z))	= cbox(iisoprd_z)
1551       stot(indx(iisopp_z))	= cbox(iisopp_z)
1552       stot(indx(iisopn_z))	= cbox(iisopn_z)
1553       stot(indx(iisopo2_z))	= cbox(iisopo2_z)
1554 !
1555       else                 ! map stot --> cbox (both molec/cc)
1556       cbox(iisop_z)	= stot(indx(iisop_z))
1557       cbox(iisoprd_z)	= stot(indx(iisoprd_z))
1558       cbox(iisopp_z)	= stot(indx(iisopp_z))
1559       cbox(iisopn_z)	= stot(indx(iisopn_z))
1560       cbox(iisopo2_z)	= stot(indx(iisopo2_z))
1561       endif
1562  
1563       return
1564       end subroutine mapgas_m3                    
1565  
1566  
1567  
1568 !***********************************************************************
1569 ! <13.> subr mapgas_m4
1570 !
1571 ! purpose: maps gas species between stot and cbox arrays for mechanism 4
1572 !
1573 ! author : Rahul A. Zaveri
1574 ! date   : December, 1998
1575 !
1576 ! ----------------------------------------------------------------------
1577 
1578       subroutine mapgas_m4( cbox, stot, imap, indx )
1579 
1580       use module_data_cbmz
1581       implicit none
1582 
1583 !   subr arguments 
1584       integer imap, indx(ngas_z)
1585       real cbox(ngas_z)
1586       real stot(ngas_tot)
1587 
1588       if(imap.eq.0)then    ! map cbox --> stot (both molec/cc)
1589       stot(indx(idms_z))	= cbox(idms_z)
1590       stot(indx(imsa_z))	= cbox(imsa_z)
1591       stot(indx(idmso_z))	= cbox(idmso_z)
1592       stot(indx(idmso2_z))	= cbox(idmso2_z)
1593       stot(indx(ich3so2h_z))	= cbox(ich3so2h_z)
1594       stot(indx(ich3sch2oo_z))	= cbox(ich3sch2oo_z)
1595       stot(indx(ich3so2_z))	= cbox(ich3so2_z)
1596       stot(indx(ich3so3_z))	= cbox(ich3so3_z)
1597       stot(indx(ich3so2oo_z))	= cbox(ich3so2oo_z)
1598       stot(indx(ich3so2ch2oo_z))= cbox(ich3so2ch2oo_z)
1599       stot(indx(imtf_z))	= cbox(imtf_z)
1600 !
1601       else                 ! map stot --> cbox (both molec/cc)
1602       cbox(idms_z)	   = stot(indx(idms_z))
1603       cbox(imsa_z)	   = stot(indx(imsa_z))
1604       cbox(idmso_z)	   = stot(indx(idmso_z))
1605       cbox(idmso2_z)	   = stot(indx(idmso2_z))
1606       cbox(ich3so2h_z)	   = stot(indx(ich3so2h_z))
1607       cbox(ich3sch2oo_z)  = stot(indx(ich3sch2oo_z))
1608       cbox(ich3so2_z)	   = stot(indx(ich3so2_z))
1609       cbox(ich3so3_z)	   = stot(indx(ich3so3_z))
1610       cbox(ich3so2oo_z)   = stot(indx(ich3so2oo_z))
1611       cbox(ich3so2ch2oo_z)= stot(indx(ich3so2ch2oo_z))
1612       cbox(imtf_z)	   = stot(indx(imtf_z))
1613       endif
1614  
1615       return
1616       end subroutine mapgas_m4                    
1617  
1618  
1619  
1620 !***********************************************************************
1621 ! <xx.> subr check_userpar
1622 !
1623 ! purpose: called by lsodes (external)
1624 !          computes time derivatives of species concentrations ds/dt.
1625 !          by calling subr. gasrate and ode
1626 !
1627 ! author : Rahul A. Zaveri
1628 ! date   : December 1998
1629 !
1630 !---------------------------------------------------------------------------
1631 
1632       subroutine check_userpar( ruserpar, nruserpar, iuserpar, niuserpar )
1633 
1634       use module_data_cbmz
1635       implicit none
1636 
1637 !   subr arguments 
1638       integer nruserpar, niuserpar
1639       integer iuserpar(niuserpar)
1640       real ruserpar(nruserpar)
1641 
1642 !   local variables
1643       integer i
1644       real dum
1645       character*80 msg
1646 
1647       if (nruserpar .ne. (5 + nrxn_m1 + nrxn_m2 + nrxn_m3 + nrxn_m4)) then
1648           write(msg,9010) 'nruserpar', -1, nruserpar
1649           call wrf_error_fatal( msg )
1650       end if
1651 
1652       if (niuserpar .ne. (ngas_z + 1)) then
1653           write(msg,9010) 'niuserpar', -1, niuserpar
1654           call wrf_error_fatal( msg )
1655       end if
1656 
1657 9010  format( '*** check_userpar error -- ', a, 1x, i8, 1x, i8 )
1658 
1659  
1660       return
1661       end subroutine check_userpar                
1662  
1663  
1664  
1665 !***********************************************************************
1666 ! <14.> subr gasode_cbmz
1667 !
1668 ! purpose: called by lsodes (external)
1669 !          computes time derivatives of species concentrations ds/dt.
1670 !          by calling subr. gasrate and ode
1671 !
1672 ! author : Rahul A. Zaveri
1673 ! date   : December 1998
1674 !
1675 !---------------------------------------------------------------------------
1676 
1677       subroutine gasode_cbmz( ntot, tt, s, sdot,   &
1678           ruserpar, nruserpar, iuserpar, niuserpar )
1679 
1680       use module_data_cbmz
1681       implicit none
1682 
1683 !   subr arguments 
1684       integer ntot, nruserpar, niuserpar
1685       integer iuserpar(niuserpar)
1686       real tt
1687       real s(ngas_tot), sdot(ngas_tot), ruserpar(nruserpar)
1688 
1689 !   local variables
1690       integer ig, ioffset, iregime, irxn
1691       integer indx(ngas_z)
1692       real h2o, ch4, oxygen, nitrogen, hydrogen
1693       real rk_m1(nrxn_m1), r_m1(nrxn_m1)
1694       real rk_m2(nrxn_m2), r_m2(nrxn_m2)
1695       real rk_m3(nrxn_m3), r_m3(nrxn_m3)
1696       real rk_m4(nrxn_m4), r_m4(nrxn_m4)
1697       real p_m1(ngas_tot), d_m1(ngas_tot)
1698       real p_m2(ngas_tot), d_m2(ngas_tot)
1699       real p_m3(ngas_tot), d_m3(ngas_tot)
1700       real p_m4(ngas_tot), d_m4(ngas_tot)
1701 
1702 
1703 ! test on userpar
1704       call check_userpar( ruserpar, nruserpar, iuserpar, niuserpar )
1705 
1706       iregime = iuserpar(1)
1707       do ig = 1, ngas_z
1708           indx(ig) = iuserpar(ig+1)
1709       end do
1710 
1711       h2o =      ruserpar(1)
1712       ch4 =      ruserpar(2)
1713       oxygen   = ruserpar(3)
1714       nitrogen = ruserpar(4)
1715       hydrogen = ruserpar(5)
1716       ioffset = 5
1717       do ig = 1, nrxn_m1
1718           rk_m1(ig) = ruserpar(ioffset+ig)
1719       end do
1720       ioffset = ioffset + nrxn_m1
1721       do ig = 1, nrxn_m2
1722           rk_m2(ig) = ruserpar(ioffset+ig)
1723       end do
1724       ioffset = ioffset + nrxn_m2
1725       do ig = 1, nrxn_m3
1726           rk_m3(ig) = ruserpar(ioffset+ig)
1727       end do
1728       ioffset = ioffset + nrxn_m3
1729       do ig = 1, nrxn_m4
1730           rk_m4(ig) = ruserpar(ioffset+ig)
1731       end do
1732 
1733 
1734 ! initialize to zero
1735       do irxn=1,nrxn_m1
1736       r_m1(irxn) = 0.
1737       enddo
1738 
1739       do irxn=1,nrxn_m2
1740       r_m2(irxn) = 0.
1741       enddo
1742 
1743       do irxn=1,nrxn_m3
1744       r_m3(irxn) = 0.
1745       enddo
1746 
1747       do irxn=1,nrxn_m4
1748       r_m4(irxn) = 0.
1749       enddo
1750 !
1751 !
1752 ! initialize to zero
1753       do ig=1,ngas_tot
1754       p_m1(ig) = 0.
1755       p_m2(ig) = 0.
1756       p_m3(ig) = 0.
1757       p_m4(ig) = 0.
1758 !
1759       d_m1(ig) = 0.
1760       d_m2(ig) = 0.
1761       d_m3(ig) = 0.
1762       d_m4(ig) = 0.
1763       enddo
1764 
1765 
1766 !   iregime=1 --> do m1
1767 !   iregime=2 --> do m1, m2
1768 !   iregime=3 --> do m1, m2, m3
1769 !   iregime=4 --> do m1, --, --, m4
1770 !   iregime=5 --> do m1, m2, --, m4
1771 !   iregime=6 --> do m1, m2, m3, m4
1772 
1773       call gasrate_m1( indx, s, r_m1, r_m2, rk_m1, rk_m2, &
1774                            h2o, ch4, oxygen, nitrogen, hydrogen )
1775 
1776       if ((iregime .eq. 2) .or.   &
1777           (iregime .eq. 3) .or.   &
1778           (iregime .eq. 5) .or.   &
1779           (iregime .eq. 6))       &
1780           call gasrate_m2( indx, s, r_m2, rk_m2 )
1781 
1782       if ((iregime .eq. 3) .or.   &
1783           (iregime .eq. 6))       &
1784           call gasrate_m3( indx, s, r_m3, rk_m3 )
1785 
1786       if ((iregime .eq. 4) .or.   &
1787           (iregime .eq. 5) .or.   &
1788           (iregime .eq. 6))       &
1789           call gasrate_m4( indx, s, r_m4, rk_m4, oxygen )
1790 
1791       call gasode_m1( indx, r_m1, p_m1, d_m1, r_m2 )
1792 
1793       if ((iregime .eq. 2) .or.   &
1794           (iregime .eq. 3) .or.   &
1795           (iregime .eq. 5) .or.   &
1796           (iregime .eq. 6))       &
1797           call gasode_m2( indx, r_m2, p_m2, d_m2 )
1798 
1799       if ((iregime .eq. 3) .or.   &
1800           (iregime .eq. 6))       &
1801           call gasode_m3( indx, r_m3, p_m3, d_m3 )
1802 
1803       if ((iregime .eq. 4) .or.   &
1804           (iregime .eq. 5) .or.   &
1805           (iregime .eq. 6))       &
1806           call gasode_m4( indx, r_m4, p_m4, d_m4 )
1807 
1808 
1809       if (iregime .eq. 1) then
1810 ! regime = 1
1811       do ig = 1, ngas_r1
1812       sdot(ig) = real( dble(p_m1(ig)) -   &
1813                        dble(d_m1(ig)) )
1814       end do
1815 
1816       else if (iregime .eq. 2) then
1817 ! regime = 2
1818       do ig = 1, ngas_r2
1819       sdot(ig) = real( dble(p_m1(ig)+p_m2(ig)) -   &
1820                        dble(d_m1(ig)+d_m2(ig)) )
1821       end do
1822 
1823       else if (iregime .eq. 3) then
1824 ! regime = 3
1825       do ig = 1, ngas_r3
1826       sdot(ig) = real( dble(p_m1(ig)+p_m2(ig)+p_m3(ig)) -   &
1827                        dble(d_m1(ig)+d_m2(ig)+d_m3(ig)) )
1828       end do
1829 
1830       else if (iregime .eq. 4) then
1831 ! regime = 4
1832       do ig = 1, ngas_r4
1833       sdot(ig) = real( dble(p_m1(ig)+p_m4(ig)) -   &
1834                        dble(d_m1(ig)+d_m4(ig)) )
1835       end do
1836       
1837       else if (iregime .eq. 5) then
1838 ! regime = 5
1839       do ig = 1, ngas_r5
1840       sdot(ig) = real( dble(p_m1(ig)+p_m2(ig)+p_m4(ig)) -   &
1841                        dble(d_m1(ig)+d_m2(ig)+d_m4(ig)) )
1842       end do
1843 
1844       else if (iregime .eq. 6) then
1845 ! regime = 6
1846       do ig = 1, ngas_r6
1847       sdot(ig) = real( dble(p_m1(ig)+p_m2(ig)+p_m3(ig)+p_m4(ig)) -   &
1848                        dble(d_m1(ig)+d_m2(ig)+d_m3(ig)+d_m4(ig)) )
1849       end do
1850  
1851       end if
1852 
1853       return
1854       end subroutine gasode_cbmz
1855  
1856  
1857  
1858 !***********************************************************************
1859 ! <15.> subr jcs
1860 !
1861 ! purpose: external dummy jacobian evaluation for LSODES (when mf=222)
1862 !
1863 !-----------------------------------------------------------------------
1864 
1865       subroutine jcs( ngas, tt, s, j, ian, jan, pdj,   &
1866           ruserpar, nruserpar, iuserpar, niuserpar )
1867 
1868       implicit none
1869       integer ngas, j, ian(*), jan(*), nruserpar, niuserpar
1870       integer iuserpar(niuserpar)
1871       real tt, s(*), pdj(*)
1872       real ruserpar(nruserpar)
1873 
1874 ! test on userpar
1875       call check_userpar( ruserpar, nruserpar, iuserpar, niuserpar )
1876 
1877       return
1878       end subroutine jcs                                 
1879  
1880  
1881  
1882 !***********************************************************************
1883 ! <16.> subr gasode_m1
1884 !
1885 ! purpose: updates production and destruction rates for mechanism 1
1886 !          background troposphere
1887 !
1888 ! author : Rahul A. Zaveri
1889 ! date   : December, 1998
1890 !
1891 ! ----------------------------------------------------------------------
1892 
1893       subroutine gasode_m1( indx, r_m1, p_m1, d_m1, r_m2 )
1894 
1895       use module_data_cbmz
1896       implicit none
1897 
1898 !   subr arguments
1899       integer indx(ngas_z)
1900       real r_m1(nrxn_m1), p_m1(ngas_tot), d_m1(ngas_tot)
1901       real r_m2(nrxn_m2)
1902 
1903 
1904       p_m1(indx(ino_z))= r_m1(1)+0.11*r_m1(2)   &
1905              +r_m1(3)+r_m1(15)+r_m1(38)
1906       d_m1(indx(ino_z))= r_m1(17)+r_m1(18)+r_m1(23)   &
1907              +r_m1(33)+r_m1(37)+r_m1(57)   &
1908              +r_m1(58)   &
1909              +r_m2(34)
1910 !
1911       p_m1(indx(ino2_z))= 0.89*r_m1(2)+r_m1(4)   &
1912               +r_m1(5)+r_m1(6)+r_m1(17)   &
1913               +r_m1(18)+r_m1(25)   &
1914               +r_m1(26)+r_m1(28)   &
1915               +r_m1(33)+r_m1(36)   &
1916               +r_m1(37)+r_m1(37)   &
1917               +r_m1(38)+r_m1(40)   &
1918               +r_m1(40)+.7*r_m1(41)   &
1919               +r_m1(43)+r_m1(57)   &
1920               +r_m1(58)+r_m1(59)   &
1921               +r_m1(60)   &
1922               +r_m2(32)+r_m2(34)+r_m2(39)
1923       d_m1(indx(ino2_z))= r_m1(1)+r_m1(15)+r_m1(16)   &
1924               +r_m1(19)+r_m1(24)   &
1925               +r_m1(34)+r_m1(35)   &
1926               +r_m1(38)+r_m1(39)   &
1927               +r_m2(31)
1928 !
1929       p_m1(indx(ino3_z))= r_m1(6)+r_m1(16)+r_m1(19)   &
1930               +r_m1(27)+r_m1(43)
1931       d_m1(indx(ino3_z))= r_m1(2)+r_m1(25)+r_m1(37)   &
1932               +r_m1(38)+r_m1(39)   &
1933               +r_m1(40)+r_m1(40)   &
1934               +r_m1(41)+r_m1(52)   &
1935               +r_m1(59)+r_m1(60)   &
1936               +r_m2(4)+r_m2(39)
1937 !
1938       p_m1(indx(in2o5_z))= r_m1(39)
1939       d_m1(indx(in2o5_z))= r_m1(6)+r_m1(42)   &
1940                +r_m1(43)
1941 !
1942       p_m1(indx(ihono_z))= r_m1(23)+r_m1(35)
1943       d_m1(indx(ihono_z))= r_m1(3)+r_m1(26)
1944 !
1945       p_m1(indx(ihno3_z))= r_m1(24)+.3*r_m1(41)   &
1946                +r_m1(42)+r_m1(42)   &
1947                +r_m1(52)   &
1948                +r_m2(4)
1949       d_m1(indx(ihno3_z))= r_m1(4)+r_m1(27)
1950 !
1951       p_m1(indx(ihno4_z))= r_m1(34)
1952       d_m1(indx(ihno4_z))= r_m1(5)+r_m1(28)   &
1953                +r_m1(36)
1954 !
1955       p_m1(indx(io3_z))= r_m1(13)   &
1956                +.4*r_m2(44)
1957       d_m1(indx(io3_z))= r_m1(7)+r_m1(8)+r_m1(14)   &
1958              +r_m1(18)+r_m1(19)+r_m1(20)   &
1959              +r_m1(21)
1960 !
1961       p_m1(indx(io1d_z))= r_m1(8)
1962       d_m1(indx(io1d_z))= r_m1(10)+r_m1(11)   &
1963               +r_m1(12)
1964 !
1965       p_m1(indx(io3p_z))= r_m1(1)+0.89*r_m1(2)   &
1966               +r_m1(7)+r_m1(10)+r_m1(11)
1967       d_m1(indx(io3p_z))= r_m1(13)+r_m1(14)   &
1968               +r_m1(15)+r_m1(16)   &
1969               +r_m1(17)
1970 !
1971       p_m1(indx(ioh_z))= r_m1(3)+r_m1(4)+2*r_m1(9)   &
1972              +2*r_m1(12)+r_m1(21)   &
1973              +r_m1(33)+.7*r_m1(41)   &
1974              +r_m1(53)+r_m1(54)+.3*r_m1(55)   &
1975              +.5*r_m1(56)
1976       d_m1(indx(ioh_z))= r_m1(20)+r_m1(22)+r_m1(23)   &
1977              +r_m1(24)+r_m1(25)+r_m1(26)   &
1978              +r_m1(27)+r_m1(28)+r_m1(29)   &
1979              +r_m1(30)+r_m1(44)+r_m1(45)   &
1980              +r_m1(46)+r_m1(47)+r_m1(48)   &
1981              +r_m1(51)+r_m1(55)+r_m1(56)   &
1982              +r_m1(65)   &
1983              +r_m2(3)
1984 !
1985       p_m1(indx(iho2_z))= r_m1(5)+r_m1(20)+r_m1(22)   &
1986               +r_m1(25)+r_m1(30)   &
1987               +r_m1(36)+r_m1(44)   &
1988               +r_m1(45)+r_m1(48)   &
1989               +2*r_m1(49)+r_m1(51)   &
1990               +r_m1(52)+r_m1(53)   &
1991               +r_m1(54)+r_m1(57)   &
1992               +r_m1(58)+r_m1(59)   &
1993               +r_m1(60)+.32*r_m1(63)   &
1994               +.6*r_m1(64)+r_m1(65)   &
1995               +r_m2(2)
1996       d_m1(indx(iho2_z))= r_m1(21)+r_m1(29)   &
1997               +r_m1(31)+r_m1(31)   &
1998               +r_m1(32)+r_m1(32)   &
1999               +r_m1(33)+r_m1(34)   &
2000               +r_m1(35)+r_m1(41)   &
2001               +r_m1(61)+r_m1(62)   &
2002               +r_m2(44)
2003 !
2004       p_m1(indx(ih2o2_z))= r_m1(31)+r_m1(32)
2005       d_m1(indx(ih2o2_z))= r_m1(9)+r_m1(30)
2006 !
2007       p_m1(indx(ico_z))= r_m1(49)+r_m1(50)+r_m1(51)   &
2008              +r_m1(52)   &
2009              +r_m2(2)
2010       d_m1(indx(ico_z))= r_m1(44)
2011 !
2012       p_m1(indx(iso2_z))= 0.0
2013       d_m1(indx(iso2_z))= r_m1(45)
2014 !
2015       p_m1(indx(ih2so4_z))= r_m1(45)
2016       d_m1(indx(ih2so4_z))= 0.0
2017 !
2018       p_m1(indx(inh3_z))= 0.0
2019       d_m1(indx(inh3_z))= 0.0
2020 !
2021       p_m1(indx(ihcl_z))= 0.0
2022       d_m1(indx(ihcl_z))= 0.0
2023 !
2024       p_m1(indx(ic2h6_z))= .2*r_m1(64)
2025       d_m1(indx(ic2h6_z))= r_m1(47)
2026 !
2027       p_m1(indx(ich3o2_z))= r_m1(46)+.7*r_m1(55)   &
2028                 +r_m2(2)+r_m2(34)+r_m2(39)+r_m2(49)
2029       d_m1(indx(ich3o2_z))= r_m1(57)+r_m1(59)   &
2030                 +r_m1(61)+r_m1(63)
2031 !
2032       p_m1(indx(iethp_z))= r_m1(47)+.5*r_m1(56)
2033       d_m1(indx(iethp_z))= r_m1(58)+r_m1(60)   &
2034                +r_m1(62)+r_m1(64)
2035 !
2036       p_m1(indx(ihcho_z))= r_m1(48)+r_m1(53)   &
2037                +.3*r_m1(55)+r_m1(57)   &
2038                +r_m1(59)+.66*r_m1(63)
2039       d_m1(indx(ihcho_z))= r_m1(49)+r_m1(50)   &
2040                +r_m1(51)+r_m1(52)
2041 !
2042       p_m1(indx(ich3oh_z))= .34*r_m1(63)
2043       d_m1(indx(ich3oh_z))= r_m1(48)
2044 !
2045       p_m1(indx(ic2h5oh_z))= 0.0
2046       d_m1(indx(ic2h5oh_z))= r_m1(65)
2047 !
2048       p_m1(indx(ich3ooh_z))= r_m1(61)
2049       d_m1(indx(ich3ooh_z))= r_m1(53)+r_m1(55)
2050 !
2051       p_m1(indx(iethooh_z))= r_m1(62)
2052       d_m1(indx(iethooh_z))= r_m1(54)+r_m1(56)
2053 !
2054       p_m1(indx(iald2_z))= r_m1(54)+.5*r_m1(56)   &
2055                +r_m1(58)+r_m1(60)   &
2056                +.8*r_m1(64)+r_m1(65)
2057       d_m1(indx(iald2_z))= r_m2(2)+r_m2(3)+r_m2(4)
2058 !
2059       p_m1(indx(ihcooh_z))= 0.0
2060       d_m1(indx(ihcooh_z))= 0.0
2061 !
2062       p_m1(indx(ircooh_z))= .4*r_m2(44)
2063       d_m1(indx(ircooh_z))= 0.0
2064 !
2065       p_m1(indx(ic2o3_z))= r_m2(3)+r_m2(4)+r_m2(32)
2066       d_m1(indx(ic2o3_z))= r_m2(31)+r_m2(34)+r_m2(39)+r_m2(44)+r_m2(49)
2067 !
2068       p_m1(indx(ipan_z))= r_m2(31)
2069       d_m1(indx(ipan_z))= r_m2(32)
2070  
2071       return
2072       end subroutine gasode_m1
2073  
2074  
2075  
2076 !***********************************************************************
2077 ! <17.> subr gasode_m2
2078 !
2079 ! purpose: updates production and destruction rates for mechanism 2
2080 !          anthropogenic hydrocarbons
2081 !
2082 ! author : Rahul A. Zaveri
2083 ! date   : December, 1998
2084 !
2085 ! ----------------------------------------------------------------------
2086 
2087       subroutine gasode_m2( indx, r_m2, p_m2, d_m2 )
2088 
2089       use module_data_cbmz
2090       implicit none
2091 
2092 !   subr arguments
2093       integer indx(ngas_z)
2094       real r_m2(nrxn_m2), p_m2(ngas_tot), d_m2(ngas_tot)
2095 
2096 
2097       p_m2(indx(ino_z))= 0.0
2098       d_m2(indx(ino_z))= r_m2(20)+r_m2(33)         +r_m2(35)   &
2099               +r_m2(36)+r_m2(37)
2100 !
2101       p_m2(indx(ino2_z))= .95*r_m2(20)+r_m2(30)         +.84*r_m2(33)   &
2102                        +r_m2(35)+1.5*r_m2(36)+r_m2(37)   &
2103               +r_m2(38)         +r_m2(40)+1.5*r_m2(41)+r_m2(42)   &
2104               +.5*r_m2(51)
2105       d_m2(indx(ino2_z))= r_m2(23)
2106 !
2107       p_m2(indx(ino3_z))= 0.0
2108       d_m2(indx(ino3_z))=        +r_m2(9)+r_m2(16)+r_m2(17)+r_m2(22)   &
2109               +r_m2(38)         +r_m2(40)+r_m2(41)+r_m2(42)
2110 !
2111       p_m2(indx(ihno3_z))=        +r_m2(9)+r_m2(22)
2112       d_m2(indx(ihno3_z))= 0.0
2113 !
2114       p_m2(indx(io3_z))= 0.0
2115       d_m2(indx(io3_z))= r_m2(10)+r_m2(12)+r_m2(13)+r_m2(26)
2116 !
2117       p_m2(indx(ioh_z))= .12*r_m2(10)+.33*r_m2(12)+.60*r_m2(13)   &
2118              +.08*r_m2(26)+r_m2(27)+.23*r_m2(28)
2119       d_m2(indx(ioh_z))= r_m2(1)        +r_m2(6)+r_m2(8)+r_m2(11)   &
2120              +r_m2(14)+r_m2(15)+r_m2(18)+r_m2(19)+r_m2(21)   &
2121              +r_m2(24)+r_m2(28)+r_m2(29)
2122 !
2123       p_m2(indx(iho2_z))=        +r_m2(7)+.22*r_m2(10)+r_m2(11)   &
2124              +.26*r_m2(12)+.22*r_m2(13)+r_m2(14)+r_m2(15)   &
2125              +.2*r_m2(18)+.55*r_m2(19)+.95*r_m2(20)   &
2126              +.6*r_m2(21)+2*r_m2(24)+r_m2(25)+.76*r_m2(26)   &
2127              +.9*r_m2(27)+.9*r_m2(30)+.76*r_m2(33)+.5*r_m2(36)   &
2128              +.9*r_m2(38)+.5*r_m2(41)+.54*r_m2(48)
2129       d_m2(indx(iho2_z))= r_m2(43)         +r_m2(45)+r_m2(46)+r_m2(47)
2130 !
2131       p_m2(indx(ico_z))=        +r_m2(7)+r_m2(9)+.24*r_m2(10)   &
2132              +.31*r_m2(12)+.30*r_m2(13)+2*r_m2(24)+r_m2(25)   &
2133              +.69*r_m2(26)
2134       d_m2(indx(ico_z))= 0.0
2135 !
2136       p_m2(indx(ipar_z))= 1.1*r_m2(19)
2137       d_m2(indx(ipar_z))= r_m2(1) + r_m2(53)
2138 !
2139       p_m2(indx(ich3oh_z))= .03*r_m2(12)+.04*r_m2(13)
2140       d_m2(indx(ich3oh_z))= 0.0
2141 !
2142       p_m2(indx(ihcho_z))= r_m2(10)+1.56*r_m2(11)+.57*r_m2(12)+r_m2(14)   &
2143                +r_m2(24)+.7*r_m2(26)+r_m2(35)+.5*r_m2(36)   &
2144                +r_m2(40)+.5*r_m2(41)+.7*r_m2(50)+.5*r_m2(51)
2145       d_m2(indx(ihcho_z))= 0.0
2146 !
2147       p_m2(indx(iald2_z))= .22*r_m2(11)+.47*r_m2(12)+1.03*r_m2(13)   &
2148                +r_m2(14)+1.77*r_m2(15)+.03*r_m2(26)+.3*r_m2(27)   &
2149                +.04*r_m2(28)+.3*r_m2(30)+.25*r_m2(33)+.5*r_m2(36)   &
2150                +.3*r_m2(38)+.5*r_m2(41)+.21*r_m2(48)+.5*r_m2(51)
2151       d_m2(indx(iald2_z))= 0.0
2152 !
2153       p_m2(indx(ihcooh_z))= .52*r_m2(10)+.22*r_m2(12)
2154       d_m2(indx(ihcooh_z))= 0.0
2155 !
2156       p_m2(indx(iaone_z))= .07*r_m2(13)+.23*r_m2(15)+.74*r_m2(27)   &
2157                +.74*r_m2(30)+.62*r_m2(33)+.74*r_m2(38)   &
2158                +.57*r_m2(48)+.15*r_m2(50)
2159       d_m2(indx(iaone_z))= r_m2(5)+r_m2(6)
2160 !
2161       p_m2(indx(imgly_z))= .04*r_m2(12)+.07*r_m2(13)+.8*r_m2(19)   &
2162                +.2*r_m2(26)+.19*r_m2(28)+.15*r_m2(50)
2163       d_m2(indx(imgly_z))= r_m2(7)+r_m2(8)+r_m2(9)
2164 !
2165       p_m2(indx(ieth_z))= 0.0
2166       d_m2(indx(ieth_z))= r_m2(10)+r_m2(11)
2167 !
2168       p_m2(indx(iolet_z))= 0.0
2169       d_m2(indx(iolet_z))= r_m2(12)+r_m2(14)+r_m2(16)
2170 !
2171       p_m2(indx(iolei_z))= 0.0
2172       d_m2(indx(iolei_z))= r_m2(13)+r_m2(15)+r_m2(17)
2173 !
2174       p_m2(indx(itol_z))= 0.0
2175       d_m2(indx(itol_z))= r_m2(18)
2176 !
2177       p_m2(indx(ixyl_z))= 0.0
2178       d_m2(indx(ixyl_z))= r_m2(19)
2179 !
2180       p_m2(indx(icres_z))= .12*r_m2(18)+.05*r_m2(19)
2181       d_m2(indx(icres_z))= r_m2(21)+r_m2(22)
2182 !
2183       p_m2(indx(ito2_z))= .8*r_m2(18)+.45*r_m2(19)
2184       d_m2(indx(ito2_z))= r_m2(20)
2185 !
2186       p_m2(indx(icro_z))= .4*r_m2(21)+r_m2(22)
2187       d_m2(indx(icro_z))= r_m2(23)
2188 !
2189       p_m2(indx(iopen_z))= .95*r_m2(20)+.3*r_m2(21)
2190       d_m2(indx(iopen_z))= r_m2(24)+r_m2(25)+r_m2(26)
2191 !
2192       p_m2(indx(ionit_z))= .05*r_m2(20)+r_m2(23)+.16*r_m2(33)   &
2193                +.5*r_m2(36)+.5*r_m2(41)+r_m2(46)+.5*r_m2(51)
2194       d_m2(indx(ionit_z))= r_m2(29)+r_m2(30)
2195 !
2196       p_m2(indx(ipan_z))= 0.0
2197       d_m2(indx(ipan_z))= 0.0
2198 !
2199       p_m2(indx(ircooh_z))= .09*r_m2(12)+.16*r_m2(13)
2200       d_m2(indx(ircooh_z))= 0.0
2201 !
2202       p_m2(indx(irooh_z))= r_m2(43)+r_m2(45)
2203       d_m2(indx(irooh_z))= r_m2(27)+r_m2(28)
2204 !
2205       p_m2(indx(ich3o2_z))=        +r_m2(5)+.07*r_m2(12)+.10*r_m2(13)
2206       d_m2(indx(ich3o2_z))= 0.0
2207 !
2208       p_m2(indx(iethp_z))= .06*r_m2(12)+.05*r_m2(13)+.1*r_m2(27)   &
2209                +.1*r_m2(30)+.08*r_m2(33)+.1*r_m2(38)+.06*r_m2(48)
2210       d_m2(indx(iethp_z))= 0.0
2211 !
2212       p_m2(indx(ic2o3_z))=                +r_m2(5)+r_m2(7)+r_m2(8)   &
2213                +r_m2(9)+.13*r_m2(12)+.19*r_m2(13)+r_m2(24)   &
2214                +r_m2(25)+.62*r_m2(26)         +r_m2(35)   &
2215                +r_m2(40)+.7*r_m2(50)
2216       d_m2(indx(ic2o3_z))= 0.0
2217 !
2218       p_m2(indx(iro2_z))= r_m2(1)+.03*r_m2(12)+.09*r_m2(13)+.77*r_m2(28)
2219       d_m2(indx(iro2_z))= r_m2(33)+r_m2(38)+r_m2(43)+r_m2(48)
2220 !
2221       p_m2(indx(iano2_z))= r_m2(6)+.11*r_m2(13)
2222       d_m2(indx(iano2_z))= r_m2(35)+r_m2(40)+r_m2(45)+r_m2(50)
2223 !
2224       p_m2(indx(inap_z))= r_m2(16)+r_m2(17)+r_m2(29)
2225       d_m2(indx(inap_z))= r_m2(36)+r_m2(41)+r_m2(46)+r_m2(51)
2226 !
2227       p_m2(indx(ixo2_z))= r_m2(8)+r_m2(11)+r_m2(14)+r_m2(15)   &
2228               +.08*r_m2(18)+.5*r_m2(19)+.6*r_m2(21)   &
2229               +r_m2(24)+.03*r_m2(26)+.4*r_m2(27)+.4*r_m2(30)   &
2230               +.34*r_m2(33)+.4*r_m2(38)+.24*r_m2(48)
2231       d_m2(indx(ixo2_z))= r_m2(37)+r_m2(42)+r_m2(47)+r_m2(52)
2232 
2233       p_m2(indx(ixpar_z))= 1.06*r_m2(12)+2.26*r_m2(13)+r_m2(14)   &
2234               +2.23*r_m2(15)+1.98*r_m2(27)+.42*r_m2(28)   &
2235               +1.98*r_m2(30)+1.68*r_m2(33)+r_m2(36)   &
2236               +1.98*r_m2(38)+r_m2(41)+1.25*r_m2(48)+r_m2(51)
2237       d_m2(indx(ixpar_z))= r_m2(53)
2238 !
2239       return
2240       end subroutine gasode_m2
2241  
2242  
2243  
2244 !***********************************************************************
2245 ! <18.> subr gasode_m3
2246 !
2247 ! purpose: updates production and destruction rates for mechanism 3
2248 !          isoprene
2249 !
2250 ! author : Rahul A. Zaveri
2251 ! date   : December, 1998
2252 !
2253 ! ----------------------------------------------------------------------
2254 
2255       subroutine gasode_m3( indx, r_m3, p_m3, d_m3 )
2256 
2257       use module_data_cbmz
2258       implicit none
2259 
2260 !   subr arguments
2261       integer indx(ngas_z)
2262       real r_m3(nrxn_m3), p_m3(ngas_tot), d_m3(ngas_tot)
2263 
2264 
2265       p_m3(indx(ino_z))= 0.0
2266       d_m3(indx(ino_z))= r_m3(8)+r_m3(9)+r_m3(10)
2267 !
2268       p_m3(indx(ino2_z))= .91*r_m3(8)+1.2*r_m3(9)+r_m3(10)
2269       d_m3(indx(ino2_z))= 0.0
2270 !
2271       p_m3(indx(ino3_z))= 0.0
2272       d_m3(indx(ino3_z))= r_m3(3)+r_m3(7)
2273 !
2274       p_m3(indx(ihno3_z))= .07*r_m3(7)
2275       d_m3(indx(ihno3_z))= 0.0
2276 !
2277       p_m3(indx(io3_z))= 0.0
2278       d_m3(indx(io3_z))= r_m3(2)+r_m3(6)
2279 !
2280       p_m3(indx(ioh_z))= .27*r_m3(2)+.27*r_m3(6)
2281       d_m3(indx(ioh_z))= r_m3(1)+r_m3(5)
2282 !
2283       p_m3(indx(iho2_z))= .07*r_m3(2)+.33*r_m3(4)+.1*r_m3(6)+.93*r_m3(7)   &
2284               +.91*r_m3(8)+.8*r_m3(9)+r_m3(10)
2285       d_m3(indx(iho2_z))= r_m3(11)+r_m3(12)+r_m3(13)
2286 !
2287       p_m3(indx(ico_z))= .07*r_m3(2)+.33*r_m3(4)+.16*r_m3(6)+.64*r_m3(7)   &
2288              +.59*r_m3(10)
2289       d_m3(indx(ico_z))= 0.0
2290 !
2291       p_m3(indx(ipar_z))= 1.86*r_m3(7)+0.18*r_m3(8)+1.6*r_m3(9)+2*r_m3(12)   &
2292               +2*r_m3(15)
2293       d_m3(indx(ipar_z))= 0.0
2294 !
2295       p_m3(indx(ihcho_z))= .6*r_m3(2)+.2*r_m3(4)+.15*r_m3(6)+.28*r_m3(7)   &
2296                +.63*r_m3(8)+.25*r_m3(10)
2297       d_m3(indx(ihcho_z))= 0.0
2298 !
2299       p_m3(indx(iald2_z))= .15*r_m3(2)+.07*r_m3(4)+.02*r_m3(6)+.28*r_m3(7)   &
2300                +.8*r_m3(9)+.55*r_m3(10)+r_m3(15)+.5*r_m3(16)
2301       d_m3(indx(iald2_z))= 0.0
2302 !
2303       p_m3(indx(iaone_z))= .03*r_m3(4)+.09*r_m3(6)+.63*r_m3(10)+.5*r_m3(16)
2304       d_m3(indx(iaone_z))= 0.0
2305 !
2306       p_m3(indx(imgly_z))= .85*r_m3(6)+.34*r_m3(10)
2307       d_m3(indx(imgly_z))= 0.0
2308 !
2309       p_m3(indx(ionit_z))= .93*r_m3(7)+.09*r_m3(8)+.8*r_m3(9)+r_m3(12)   &
2310                +r_m3(15)
2311       d_m3(indx(ionit_z))= 0.0
2312 !
2313       p_m3(indx(ihcooh_z))= .39*r_m3(2)+.46*r_m3(6)
2314       d_m3(indx(ihcooh_z))= 0.0
2315 !
2316       p_m3(indx(irooh_z))= r_m3(11)+r_m3(13)
2317       d_m3(indx(irooh_z))= 0.0
2318 !
2319       p_m3(indx(ich3o2_z))= .7*r_m3(4)+.05*r_m3(6)
2320       d_m3(indx(ich3o2_z))= 0.0
2321 !
2322       p_m3(indx(ic2o3_z))= .2*r_m3(2)+.97*r_m3(4)+.5*r_m3(5)+.11*r_m3(6)   &
2323                +.07*r_m3(7)
2324       d_m3(indx(ic2o3_z))= 0.0
2325 !
2326       p_m3(indx(ixo2_z))= .08*r_m3(1)+.2*r_m3(2)+.2*r_m3(5)+.07*r_m3(6)   &
2327               +.93*r_m3(7)
2328       d_m3(indx(ixo2_z))= 0.0
2329 !
2330       p_m3(indx(iisop_z))= 0.0
2331       d_m3(indx(iisop_z))= r_m3(1)+r_m3(2)+r_m3(3)
2332 !
2333       p_m3(indx(iisoprd_z))= .65*r_m3(2)+.91*r_m3(8)+.2*r_m3(9)+r_m3(14)
2334       d_m3(indx(iisoprd_z))= r_m3(4)+r_m3(5)+r_m3(6)+r_m3(7)
2335 !
2336       p_m3(indx(iisopp_z))= r_m3(1)
2337       d_m3(indx(iisopp_z))= r_m3(8)+r_m3(11)+r_m3(14)
2338 !
2339       p_m3(indx(iisopn_z))= r_m3(3)
2340       d_m3(indx(iisopn_z))= r_m3(9)+r_m3(12)+r_m3(15)
2341 !
2342       p_m3(indx(iisopo2_z))= .5*r_m3(5)
2343       d_m3(indx(iisopo2_z))= r_m3(10)+r_m3(13)+r_m3(16)
2344 !
2345       return
2346       end subroutine gasode_m3
2347 
2348  
2349  
2350 !***********************************************************************
2351 ! <19.> subr gasode_m4
2352 !
2353 ! purpose: updates production and destruction rates for mechanism 4
2354 !          dimethylsulfide
2355 !
2356 ! author : Rahul A. Zaveri
2357 ! date   : December, 1998
2358 !
2359 ! ----------------------------------------------------------------------
2360 
2361       subroutine gasode_m4( indx, r_m4, p_m4, d_m4 )
2362 
2363       use module_data_cbmz
2364       implicit none
2365 
2366 !   subr arguments
2367       integer indx(ngas_z)
2368       real r_m4(nrxn_m4), p_m4(ngas_tot), d_m4(ngas_tot)
2369 
2370 
2371       p_m4(indx(ino_z))= r_m4(19)
2372       d_m4(indx(ino_z))= r_m4(5)+r_m4(11)+r_m4(26)+r_m4(30)
2373 !
2374       p_m4(indx(ino2_z))= r_m4(5)+r_m4(11)+r_m4(26)
2375       d_m4(indx(ino2_z))= r_m4(19)+r_m4(29)
2376 !
2377       p_m4(indx(ino3_z))= 0.0
2378       d_m4(indx(ino3_z))= r_m4(2)+r_m4(14)
2379 !
2380       p_m4(indx(ihono_z))= r_m4(30)
2381       d_m4(indx(ihono_z))= 0.0
2382 !
2383       p_m4(indx(ihno3_z))= r_m4(2)+r_m4(14)+r_m4(29)
2384       d_m4(indx(ihno3_z))= 0.0
2385 !
2386       p_m4(indx(io3_z))= 0.0
2387       d_m4(indx(io3_z))= r_m4(20)
2388 !
2389       p_m4(indx(io3p_z))= 0.0
2390       d_m4(indx(io3p_z))= r_m4(3)
2391 !
2392       p_m4(indx(ioh_z))= r_m4(21)
2393       d_m4(indx(ioh_z))= r_m4(1)+r_m4(4)+r_m4(9)+r_m4(10)+r_m4(16)+r_m4(23)
2394 !
2395       p_m4(indx(iho2_z))= .965*r_m4(4)+r_m4(6)+.27*r_m4(9)+r_m4(12)+r_m4(22)   &
2396               +r_m4(27)+r_m4(32)
2397       d_m4(indx(iho2_z))= r_m4(13)+r_m4(21)+r_m4(31)
2398 !
2399       p_m4(indx(ih2o2_z))= r_m4(13)
2400       d_m4(indx(ih2o2_z))= 0.0
2401 !
2402       p_m4(indx(ico_z))= r_m4(32)
2403       d_m4(indx(ico_z))= 0.0
2404 !
2405       p_m4(indx(iso2_z))= r_m4(18)
2406       d_m4(indx(iso2_z))= 0.0
2407 !
2408       p_m4(indx(ih2so4_z))= r_m4(28)
2409       d_m4(indx(ih2so4_z))= 0.0
2410 !
2411       p_m4(indx(ihcho_z))= r_m4(5)+2*r_m4(6)+r_m4(7)+r_m4(11)+2*r_m4(12)   &
2412                +r_m4(22)+r_m4(27)
2413       d_m4(indx(ihcho_z))= r_m4(32)
2414 !
2415       p_m4(indx(ich3o2_z))= r_m4(3)+.035*r_m4(4)+.73*r_m4(9)+r_m4(18)+r_m4(28)
2416       d_m4(indx(ich3o2_z))= r_m4(6)+r_m4(12)+r_m4(15)+r_m4(22)+r_m4(27)
2417 !
2418       p_m4(indx(ich3ooh_z))= r_m4(15)
2419       d_m4(indx(ich3ooh_z))= 0.0
2420 !
2421       p_m4(indx(idms_z))= 0.0
2422       d_m4(indx(idms_z))= r_m4(1)+r_m4(2)+r_m4(3)+r_m4(4)
2423 !
2424       p_m4(indx(imsa_z))= r_m4(17)+r_m4(23)+r_m4(29)+r_m4(30)+r_m4(31)+r_m4(32)
2425       d_m4(indx(imsa_z))= 0.0
2426 !
2427       p_m4(indx(idmso_z))= .965*r_m4(4)
2428       d_m4(indx(idmso_z))= r_m4(9)
2429 !
2430       p_m4(indx(idmso2_z))= .27*r_m4(9)
2431       d_m4(indx(idmso2_z))= r_m4(10)
2432 !
2433       p_m4(indx(ich3so2h_z))= .73*r_m4(9)
2434       d_m4(indx(ich3so2h_z))= r_m4(13)+r_m4(14)+r_m4(15)+r_m4(16)+r_m4(17)
2435 !
2436       p_m4(indx(ich3sch2oo_z))= r_m4(1)+r_m4(2)
2437       d_m4(indx(ich3sch2oo_z))= r_m4(5)+r_m4(6)+r_m4(7)+r_m4(8)+r_m4(8)
2438 !
2439       p_m4(indx(ich3so2_z))= r_m4(3)+.035*r_m4(4)+r_m4(5)+r_m4(6)+r_m4(7)   &
2440                  +1.85*r_m4(8)   &
2441                  +r_m4(11)+r_m4(12)+r_m4(13)+r_m4(14)+r_m4(15)   &
2442                  +r_m4(16)+r_m4(17)+r_m4(25)
2443       d_m4(indx(ich3so2_z))= r_m4(7)+r_m4(18)+r_m4(19)+r_m4(20)+r_m4(21)   &
2444                  +r_m4(22)+r_m4(23)+r_m4(24)
2445 !
2446       p_m4(indx(ich3so3_z))= r_m4(7)+r_m4(19)+r_m4(20)+r_m4(21)+r_m4(22)   &
2447                  +r_m4(26)+r_m4(27)
2448       d_m4(indx(ich3so3_z))= r_m4(17)+r_m4(28)+r_m4(29)+r_m4(30)+r_m4(31)   &
2449                  +r_m4(32)
2450 !
2451       p_m4(indx(ich3so2oo_z))= r_m4(24)
2452       d_m4(indx(ich3so2oo_z))= r_m4(25)+r_m4(26)+r_m4(27)
2453 !
2454       p_m4(indx(ich3so2ch2oo_z))= r_m4(10)
2455       d_m4(indx(ich3so2ch2oo_z))= r_m4(11)+r_m4(12)
2456 !
2457       p_m4(indx(imtf_z))= .15*r_m4(8)
2458       d_m4(indx(imtf_z))= 0.0
2459 !
2460       return
2461       end subroutine gasode_m4
2462  
2463  
2464  
2465 !***********************************************************************
2466 ! <20.> subr gasrate_m1
2467 !
2468 ! purpose: computes reaction rates for mechanism 1
2469 !
2470 ! author : Rahul A. Zaveri
2471 ! date   : December 1998
2472 !
2473 !-------------------------------------------------------------------------
2474 
2475       subroutine gasrate_m1( indx, s, r_m1, r_m2, rk_m1, rk_m2,   &
2476                              h2o, ch4, oxygen, nitrogen, hydrogen )
2477 
2478       use module_data_cbmz
2479       implicit none
2480 
2481 !   subr arguments 
2482       integer indx(ngas_z)
2483       real s(ngas_tot), r_m1(nrxn_m1), r_m2(nrxn_m2)
2484       real rk_m1(nrxn_m1), rk_m2(nrxn_m2)
2485       real h2o, ch4, oxygen, nitrogen, hydrogen
2486 
2487       r_m1(1)  = rk_m1(1)*s(indx(ino2_z))
2488       r_m1(2)  = rk_m1(2)*s(indx(ino3_z))
2489       r_m1(3)  = rk_m1(3)*s(indx(ihono_z))
2490       r_m1(4)  = rk_m1(4)*s(indx(ihno3_z))
2491       r_m1(5)  = rk_m1(5)*s(indx(ihno4_z))
2492       r_m1(6)  = rk_m1(6)*s(indx(in2o5_z))
2493       r_m1(7)  = rk_m1(7)*s(indx(io3_z))
2494       r_m1(8)  = rk_m1(8)*s(indx(io3_z))
2495       r_m1(9)  = rk_m1(9)*s(indx(ih2o2_z))
2496       r_m1(10) = rk_m1(10)*s(indx(io1d_z))*oxygen
2497       r_m1(11) = rk_m1(11)*s(indx(io1d_z))*nitrogen
2498       r_m1(12) = rk_m1(12)*s(indx(io1d_z))*h2o
2499       r_m1(13) = rk_m1(13)*s(indx(io3p_z))*oxygen
2500       r_m1(14) = rk_m1(14)*s(indx(io3p_z))*s(indx(io3_z))
2501       r_m1(15) = rk_m1(15)*s(indx(io3p_z))*s(indx(ino2_z))
2502       r_m1(16) = rk_m1(16)*s(indx(io3p_z))*s(indx(ino2_z))
2503       r_m1(17) = rk_m1(17)*s(indx(io3p_z))*s(indx(ino_z))
2504       r_m1(18) = rk_m1(18)*s(indx(io3_z))*s(indx(ino_z))
2505       r_m1(19) = rk_m1(19)*s(indx(io3_z))*s(indx(ino2_z))
2506       r_m1(20) = rk_m1(20)*s(indx(io3_z))*s(indx(ioh_z))
2507       r_m1(21) = rk_m1(21)*s(indx(io3_z))*s(indx(iho2_z))
2508       r_m1(22) = rk_m1(22)*s(indx(ioh_z))*hydrogen
2509       r_m1(23) = rk_m1(23)*s(indx(ioh_z))*s(indx(ino_z))
2510       r_m1(24) = rk_m1(24)*s(indx(ioh_z))*s(indx(ino2_z))
2511       r_m1(25) = rk_m1(25)*s(indx(ioh_z))*s(indx(ino3_z))
2512       r_m1(26) = rk_m1(26)*s(indx(ioh_z))*s(indx(ihono_z))
2513       r_m1(27) = rk_m1(27)*s(indx(ioh_z))*s(indx(ihno3_z))
2514       r_m1(28) = rk_m1(28)*s(indx(ioh_z))*s(indx(ihno4_z))
2515       r_m1(29) = rk_m1(29)*s(indx(ioh_z))*s(indx(iho2_z))
2516       r_m1(30) = rk_m1(30)*s(indx(ioh_z))*s(indx(ih2o2_z))
2517       r_m1(31) = rk_m1(31)*s(indx(iho2_z))*s(indx(iho2_z))
2518       r_m1(32) = rk_m1(32)*s(indx(iho2_z))*s(indx(iho2_z))*h2o
2519       r_m1(33) = rk_m1(33)*s(indx(iho2_z))*s(indx(ino_z))
2520       r_m1(34) = rk_m1(34)*s(indx(iho2_z))*s(indx(ino2_z))
2521       r_m1(35) = rk_m1(35)*s(indx(iho2_z))*s(indx(ino2_z))
2522       r_m1(36) = rk_m1(36)*s(indx(ihno4_z))
2523       r_m1(37) = rk_m1(37)*s(indx(ino3_z))*s(indx(ino_z))
2524       r_m1(38) = rk_m1(38)*s(indx(ino3_z))*s(indx(ino2_z))
2525       r_m1(39) = rk_m1(39)*s(indx(ino3_z))*s(indx(ino2_z))
2526       r_m1(40) = rk_m1(40)*s(indx(ino3_z))*s(indx(ino3_z))
2527       r_m1(41) = rk_m1(41)*s(indx(ino3_z))*s(indx(iho2_z))
2528       r_m1(42) = rk_m1(42)*s(indx(in2o5_z))*h2o
2529       r_m1(43) = rk_m1(43)*s(indx(in2o5_z))
2530       r_m1(44) = rk_m1(44)*s(indx(ico_z))*s(indx(ioh_z))
2531       r_m1(45) = rk_m1(45)*s(indx(iso2_z))*s(indx(ioh_z))
2532       r_m1(46) = rk_m1(46)*s(indx(ioh_z))*ch4
2533       r_m1(47) = rk_m1(47)*s(indx(ic2h6_z))*s(indx(ioh_z))
2534       r_m1(48) = rk_m1(48)*s(indx(ich3oh_z))*s(indx(ioh_z))
2535       r_m1(49) = rk_m1(49)*s(indx(ihcho_z))
2536       r_m1(50) = rk_m1(50)*s(indx(ihcho_z))
2537       r_m1(51) = rk_m1(51)*s(indx(ihcho_z))*s(indx(ioh_z))
2538       r_m1(52) = rk_m1(52)*s(indx(ihcho_z))*s(indx(ino3_z))
2539       r_m1(53) = rk_m1(53)*s(indx(ich3ooh_z))
2540       r_m1(54) = rk_m1(54)*s(indx(iethooh_z))
2541       r_m1(55) = rk_m1(55)*s(indx(ich3ooh_z))*s(indx(ioh_z))
2542       r_m1(56) = rk_m1(56)*s(indx(iethooh_z))*s(indx(ioh_z))
2543       r_m1(57) = rk_m1(57)*s(indx(ich3o2_z))*s(indx(ino_z))
2544       r_m1(58) = rk_m1(58)*s(indx(iethp_z))*s(indx(ino_z))
2545       r_m1(59) = rk_m1(59)*s(indx(ich3o2_z))*s(indx(ino3_z))
2546       r_m1(60) = rk_m1(60)*s(indx(iethp_z))*s(indx(ino3_z))
2547       r_m1(61) = rk_m1(61)*s(indx(ich3o2_z))*s(indx(iho2_z))
2548       r_m1(62) = rk_m1(62)*s(indx(iethp_z))*s(indx(iho2_z))
2549       r_m1(63) = rk_m1(63)*s(indx(ich3o2_z))
2550       r_m1(64) = rk_m1(64)*s(indx(iethp_z))
2551       r_m1(65) = rk_m1(65)*s(indx(ic2h5oh_z))*s(indx(ioh_z))
2552 
2553       r_m2(2)  = rk_m2(2)*s(indx(iald2_z))
2554       r_m2(3)  = rk_m2(3)*s(indx(iald2_z))*s(indx(ioh_z))
2555       r_m2(4)  = rk_m2(4)*s(indx(iald2_z))*s(indx(ino3_z))
2556       r_m2(31) = rk_m2(31)*s(indx(ic2o3_z))*s(indx(ino2_z))
2557       r_m2(32) = rk_m2(32)*s(indx(ipan_z))
2558       r_m2(34) = rk_m2(34)*s(indx(ic2o3_z))*s(indx(ino_z))
2559       r_m2(39) = rk_m2(39)*s(indx(ic2o3_z))*s(indx(ino3_z))
2560       r_m2(44) = rk_m2(44)*s(indx(ic2o3_z))*s(indx(iho2_z))
2561       r_m2(49) = rk_m2(49)*s(indx(ic2o3_z))
2562 
2563       return
2564       end subroutine gasrate_m1     
2565 
2566 
2567 
2568 !***********************************************************************
2569 ! <21.> subr gasrate_m2
2570 !
2571 ! purpose: computes reaction rates for mechanism 2
2572 !
2573 ! author : Rahul A. Zaveri
2574 ! date   : December 1998
2575 !
2576 !-------------------------------------------------------------------------
2577 !
2578       subroutine gasrate_m2( indx, s, r_m2, rk_m2 )
2579 
2580       use module_data_cbmz
2581       implicit none
2582 
2583 !   subr arguments 
2584       integer indx(ngas_z)
2585       real s(ngas_tot), r_m2(nrxn_m2), rk_m2(nrxn_m2)
2586 
2587       r_m2(1)  = rk_m2(1)*s(indx(ipar_z))*s(indx(ioh_z))
2588 
2589       r_m2(5)  = rk_m2(5)*s(indx(iaone_z))
2590       r_m2(6)  = rk_m2(6)*s(indx(iaone_z))*s(indx(ioh_z))
2591       r_m2(7)  = rk_m2(7)*s(indx(imgly_z))
2592       r_m2(8)  = rk_m2(8)*s(indx(imgly_z))*s(indx(ioh_z))
2593       r_m2(9)  = rk_m2(9)*s(indx(imgly_z))*s(indx(ino3_z))
2594       r_m2(10) = rk_m2(10)*s(indx(ieth_z))*s(indx(io3_z))
2595       r_m2(11) = rk_m2(11)*s(indx(ieth_z))*s(indx(ioh_z))
2596       r_m2(12) = rk_m2(12)*s(indx(iolet_z))*s(indx(io3_z))
2597       r_m2(13) = rk_m2(13)*s(indx(iolei_z))*s(indx(io3_z))
2598       r_m2(14) = rk_m2(14)*s(indx(iolet_z))*s(indx(ioh_z))
2599       r_m2(15) = rk_m2(15)*s(indx(iolei_z))*s(indx(ioh_z))
2600       r_m2(16) = rk_m2(16)*s(indx(iolet_z))*s(indx(ino3_z))
2601       r_m2(17) = rk_m2(17)*s(indx(iolei_z))*s(indx(ino3_z))
2602       r_m2(18) = rk_m2(18)*s(indx(itol_z))*s(indx(ioh_z))
2603       r_m2(19) = rk_m2(19)*s(indx(ixyl_z))*s(indx(ioh_z))
2604       r_m2(20) = rk_m2(20)*s(indx(ito2_z))*s(indx(ino_z))
2605       r_m2(21) = rk_m2(21)*s(indx(icres_z))*s(indx(ioh_z))
2606       r_m2(22) = rk_m2(22)*s(indx(icres_z))*s(indx(ino3_z))
2607       r_m2(23) = rk_m2(23)*s(indx(icro_z))*s(indx(ino2_z))
2608       r_m2(24) = rk_m2(24)*s(indx(iopen_z))*s(indx(ioh_z))
2609       r_m2(25) = rk_m2(25)*s(indx(iopen_z))
2610       r_m2(26) = rk_m2(26)*s(indx(iopen_z))*s(indx(io3_z))
2611       r_m2(27) = rk_m2(27)*s(indx(irooh_z))
2612       r_m2(28) = rk_m2(28)*s(indx(irooh_z))*s(indx(ioh_z))
2613       r_m2(29) = rk_m2(29)*s(indx(ionit_z))*s(indx(ioh_z))
2614       r_m2(30) = rk_m2(30)*s(indx(ionit_z))
2615 
2616       r_m2(33) = rk_m2(33)*s(indx(iro2_z))*s(indx(ino_z))
2617 
2618       r_m2(35) = rk_m2(35)*s(indx(iano2_z))*s(indx(ino_z))
2619       r_m2(36) = rk_m2(36)*s(indx(inap_z))*s(indx(ino_z))
2620       r_m2(37) = rk_m2(37)*s(indx(ixo2_z))*s(indx(ino_z))
2621       r_m2(38) = rk_m2(38)*s(indx(iro2_z))*s(indx(ino3_z))
2622 
2623       r_m2(40) = rk_m2(40)*s(indx(iano2_z))*s(indx(ino3_z))
2624       r_m2(41) = rk_m2(41)*s(indx(inap_z))*s(indx(ino3_z))
2625       r_m2(42) = rk_m2(42)*s(indx(ixo2_z))*s(indx(ino3_z))
2626       r_m2(43) = rk_m2(43)*s(indx(iro2_z))*s(indx(iho2_z))
2627 
2628       r_m2(45) = rk_m2(45)*s(indx(iano2_z))*s(indx(iho2_z))
2629       r_m2(46) = rk_m2(46)*s(indx(inap_z))*s(indx(iho2_z))
2630       r_m2(47) = rk_m2(47)*s(indx(ixo2_z))*s(indx(iho2_z))
2631       r_m2(48) = rk_m2(48)*s(indx(iro2_z))
2632 
2633       r_m2(50) = rk_m2(50)*s(indx(iano2_z))
2634       r_m2(51) = rk_m2(51)*s(indx(inap_z))
2635       r_m2(52) = rk_m2(52)*s(indx(ixo2_z))
2636       r_m2(53) = rk_m2(53)*s(indx(ipar_z))*s(indx(ixpar_z))
2637 !
2638       return
2639       end subroutine gasrate_m2     
2640  
2641  
2642  
2643 !***********************************************************************
2644 ! <22.> subr gasrate_m3
2645 !
2646 ! purpose: computes reaction rates for mechanism 3
2647 !
2648 ! author : Rahul A. Zaveri
2649 ! date   : December 1998
2650 !
2651 !-------------------------------------------------------------------------
2652 !
2653       subroutine gasrate_m3( indx, s, r_m3, rk_m3 )
2654 
2655       use module_data_cbmz
2656       implicit none
2657 
2658 !   subr arguments 
2659       integer indx(ngas_z)
2660       real s(ngas_tot), r_m3(nrxn_m3), rk_m3(nrxn_m3)
2661 
2662       r_m3(1)  = rk_m3(1)*s(indx(iisop_z))*s(indx(ioh_z))
2663       r_m3(2)  = rk_m3(2)*s(indx(iisop_z))*s(indx(io3_z))
2664       r_m3(3)  = rk_m3(3)*s(indx(iisop_z))*s(indx(ino3_z))
2665       r_m3(4)  = rk_m3(4)*s(indx(iisoprd_z))
2666       r_m3(5)  = rk_m3(5)*s(indx(iisoprd_z))*s(indx(ioh_z))
2667       r_m3(6)  = rk_m3(6)*s(indx(iisoprd_z))*s(indx(io3_z))
2668       r_m3(7)  = rk_m3(7)*s(indx(iisoprd_z))*s(indx(ino3_z))
2669       r_m3(8)  = rk_m3(8)*s(indx(iisopp_z))*s(indx(ino_z))
2670       r_m3(9)  = rk_m3(9)*s(indx(iisopn_z))*s(indx(ino_z))
2671       r_m3(10) = rk_m3(10)*s(indx(iisopo2_z))*s(indx(ino_z))
2672       r_m3(11) = rk_m3(11)*s(indx(iisopp_z))*s(indx(iho2_z))
2673       r_m3(12) = rk_m3(12)*s(indx(iisopn_z))*s(indx(iho2_z))
2674       r_m3(13) = rk_m3(13)*s(indx(iisopo2_z))*s(indx(iho2_z))
2675       r_m3(14) = rk_m3(14)*s(indx(iisopp_z))
2676       r_m3(15) = rk_m3(15)*s(indx(iisopn_z))
2677       r_m3(16) = rk_m3(16)*s(indx(iisopo2_z))
2678  
2679       return
2680       end subroutine gasrate_m3     
2681  
2682  
2683  
2684 !***********************************************************************
2685 ! <23.> subr gasrate_m4
2686 !
2687 ! purpose: computes reaction rates for mechanism 4
2688 !
2689 ! author : Rahul A. Zaveri
2690 ! date   : December 1998
2691 !
2692 !-------------------------------------------------------------------------
2693 !
2694       subroutine gasrate_m4( indx, s, r_m4, rk_m4, oxygen )
2695 
2696       use module_data_cbmz
2697       implicit none
2698 
2699 !   subr arguments 
2700       integer indx(ngas_z)
2701       real s(ngas_tot), r_m4(nrxn_m4), rk_m4(nrxn_m4)
2702       real oxygen
2703 
2704       r_m4(1)  = rk_m4(1)*s(indx(idms_z))*s(indx(ioh_z))
2705       r_m4(2)  = rk_m4(2)*s(indx(idms_z))*s(indx(ino3_z))
2706       r_m4(3)  = rk_m4(3)*s(indx(idms_z))*s(indx(io3p_z))
2707       r_m4(4)  = rk_m4(4)*s(indx(idms_z))*s(indx(ioh_z))
2708       r_m4(5)  = rk_m4(5)*s(indx(ich3sch2oo_z))*s(indx(ino_z))
2709       r_m4(6)  = rk_m4(6)*s(indx(ich3sch2oo_z))*s(indx(ich3o2_z))
2710       r_m4(7)  = rk_m4(7)*s(indx(ich3sch2oo_z))*s(indx(ich3so2_z))
2711       r_m4(8)  = rk_m4(8)*s(indx(ich3sch2oo_z))*s(indx(ich3sch2oo_z))
2712       r_m4(9)  = rk_m4(9)*s(indx(idmso_z))*s(indx(ioh_z))
2713       r_m4(10) = rk_m4(10)*s(indx(idmso2_z))*s(indx(ioh_z))
2714       r_m4(11) = rk_m4(11)*s(indx(ich3so2ch2oo_z))*s(indx(ino_z))
2715       r_m4(12) = rk_m4(12)*s(indx(ich3so2ch2oo_z))*s(indx(ich3o2_z))
2716       r_m4(13) = rk_m4(13)*s(indx(ich3so2h_z))*s(indx(iho2_z))
2717       r_m4(14) = rk_m4(14)*s(indx(ich3so2h_z))*s(indx(ino3_z))
2718       r_m4(15) = rk_m4(15)*s(indx(ich3so2h_z))*s(indx(ich3o2_z))
2719       r_m4(16) = rk_m4(16)*s(indx(ich3so2h_z))*s(indx(ioh_z))
2720       r_m4(17) = rk_m4(17)*s(indx(ich3so2h_z))*s(indx(ich3so3_z))
2721       r_m4(18) = rk_m4(18)*s(indx(ich3so2_z))
2722       r_m4(19) = rk_m4(19)*s(indx(ich3so2_z))*s(indx(ino2_z))
2723       r_m4(20) = rk_m4(20)*s(indx(ich3so2_z))*s(indx(io3_z))
2724       r_m4(21) = rk_m4(21)*s(indx(ich3so2_z))*s(indx(iho2_z))
2725       r_m4(22) = rk_m4(22)*s(indx(ich3so2_z))*s(indx(ich3o2_z))
2726       r_m4(23) = rk_m4(23)*s(indx(ich3so2_z))*s(indx(ioh_z))
2727       r_m4(24) = rk_m4(24)*s(indx(ich3so2_z))*oxygen
2728       r_m4(25) = rk_m4(25)*s(indx(ich3so2oo_z))
2729       r_m4(26) = rk_m4(26)*s(indx(ich3so2oo_z))*s(indx(ino_z))
2730       r_m4(27) = rk_m4(27)*s(indx(ich3so2oo_z))*s(indx(ich3o2_z))
2731       r_m4(28) = rk_m4(28)*s(indx(ich3so3_z))
2732       r_m4(29) = rk_m4(29)*s(indx(ich3so3_z))*s(indx(ino2_z))
2733       r_m4(30) = rk_m4(30)*s(indx(ich3so3_z))*s(indx(ino_z))
2734       r_m4(31) = rk_m4(31)*s(indx(ich3so3_z))*s(indx(iho2_z))
2735       r_m4(32) = rk_m4(32)*s(indx(ich3so3_z))*s(indx(ihcho_z))
2736 
2737       return
2738       end subroutine gasrate_m4     
2739  
2740  
2741  
2742 !**************************************************************************
2743 ! <24.> subr loadperoxyparameters
2744 !
2745 ! purpose: loads thermal rate coefficients for peroxy-peroxy
2746 !          permutation reactions
2747 !
2748 ! author : Rahul A. Zaveri
2749 ! date   : June 1998
2750 !
2751 ! nomenclature:
2752 ! Aperox  = Pre-exponential factor (molec-cc-s)
2753 ! Bperox  = activation energy (-E/R)  (K)
2754 !
2755 !-------------------------------------------------------------------------
2756       subroutine loadperoxyparameters( Aperox, Bperox )
2757 
2758       use module_data_cbmz
2759       implicit none
2760 
2761 !   subr arguments
2762       real Aperox(nperox,nperox), Bperox(nperox,nperox)
2763 
2764 !   local variables
2765       integer i, j
2766 
2767       Aperox(jch3o2,jch3o2)   = 2.5e-13
2768       Aperox(jethp,jethp)     = 6.8e-14
2769       Aperox(jc2o3,jc2o3)     = 2.9e-12
2770       Aperox(jano2,jano2)     = 8.0e-12
2771       Aperox(jnap,jnap)       = 1.0e-12
2772       Aperox(jro2,jro2)       = 5.3e-16
2773       Aperox(jisopp,jisopp)   = 3.1e-14
2774       Aperox(jisopn,jisopn)   = 3.1e-14
2775       Aperox(jisopo2,jisopo2) = 3.1e-14
2776       Aperox(jxo2,jxo2)       = 3.1e-14
2777 
2778       Bperox(jch3o2,jch3o2)   = 190.
2779       Bperox(jethp,jethp)     = 0.0
2780       Bperox(jc2o3,jc2o3)     = 500.
2781       Bperox(jano2,jano2)     = 0.0
2782       Bperox(jnap,jnap)       = 0.0
2783       Bperox(jro2,jro2)       = 1980.
2784       Bperox(jisopp,jisopp)   = 1000.
2785       Bperox(jisopn,jisopn)   = 1000.
2786       Bperox(jisopo2,jisopo2) = 1000.
2787       Bperox(jxo2,jxo2)       = 1000.
2788 
2789       do i = 1, nperox
2790       do j = 1, nperox
2791       if(i.ne.j)then
2792       Aperox(i,j) = 2.0*sqrt(Aperox(i,i)*Aperox(j,j))
2793       Bperox(i,j) = 0.5*(Bperox(i,i) + Bperox(j,j))
2794       endif
2795       enddo
2796       enddo
2797 
2798 ! except for
2799       Aperox(jc2o3,jch3o2) = 1.3e-12
2800       Aperox(jch3o2,jc2o3) = 1.3e-12
2801       Bperox(jc2o3,jch3o2) = 640.
2802       Bperox(jch3o2,jc2o3) = 640.
2803  
2804       return
2805       end subroutine loadperoxyparameters
2806 
2807 
2808 
2809 
2810 !**************************************************************************
2811 ! <25.> subr peroxyrateconstants
2812 !
2813 ! purpose: computes parameterized thermal rate coefficients
2814 !          for the alkylperoxy radical permutation reactions
2815 !          for the entire mechanism.
2816 !
2817 ! author : Rahul A. Zaveri
2818 ! date   : June 1998
2819 !
2820 ! nomenclature:
2821 ! rk_param  = parameterized reaction rate constants (1/s)
2822 ! rk_perox  = individual permutation reaction rate constants (molec-cc-s)
2823 ! te        = ambient atmospheric temperature (K)
2824 !
2825 !-------------------------------------------------------------------------
2826       subroutine peroxyrateconstants( tempbox, cbox,   &
2827 		Aperox, Bperox, rk_param )
2828 
2829       use module_data_cbmz
2830       implicit none
2831 
2832 !   subr arguments 
2833       real tempbox, cbox(ngas_z)
2834       real Aperox(nperox,nperox), Bperox(nperox,nperox), rk_param(nperox)
2835 
2836 !   local variables
2837       integer i, j
2838       real te
2839       real sperox(nperox), rk_perox(nperox,nperox)
2840 
2841 
2842       te = tempbox
2843 
2844       sperox(jch3o2)  = cbox(ich3o2_z)
2845       sperox(jethp)   = cbox(iethp_z)
2846       sperox(jro2)    = cbox(iro2_z)
2847       sperox(jc2o3)   = cbox(ic2o3_z)
2848       sperox(jano2)   = cbox(iano2_z)
2849       sperox(jnap)    = cbox(inap_z)
2850       sperox(jisopp)  = cbox(iisopp_z)
2851       sperox(jisopn)  = cbox(iisopn_z)
2852       sperox(jisopo2) = cbox(iisopo2_z)
2853       sperox(jxo2)    = cbox(ixo2_z)
2854 
2855 !
2856 ! initialize to zero
2857       do i = 1, nperox
2858       rk_param(i) = 0.0
2859       enddo
2860 
2861       do i = 1, nperox
2862       do j = 1, nperox
2863       rk_perox(i,j) = arr( Aperox(i,j), Bperox(i,j), te )
2864       rk_param(i) = rk_param(i) + rk_perox(i,j)*sperox(j)
2865       enddo
2866       enddo
2867  
2868       return
2869       end subroutine peroxyrateconstants                 
2870  
2871  
2872  
2873 !***********************************************************************
2874 ! <26.> subr gasthermrk_m1
2875 !
2876 ! purpose: computes thermal reaction rate coefficients for
2877 !          mechanism 1
2878 !
2879 ! author : Rahul A. Zaveri
2880 ! date   : December 1998
2881 !
2882 !-------------------------------------------------------------------------
2883 
2884       subroutine gasthermrk_m1( tempbox, cair_mlc,   &
2885 		 rk_photo, rk_param, rk_m1, rk_m2 )
2886 
2887       use module_data_cbmz
2888       implicit none
2889 
2890 !   subr arguments 
2891       real tempbox, cair_mlc
2892       real rk_photo(nphoto), rk_param(nperox)
2893       real rk_m1(nrxn_m1), rk_m2(nrxn_m2)
2894 !   local variables
2895       integer i
2896       real rk0, rk2, rk3, rki, rko, rmm, rnn, te
2897 !     real arr, troe
2898 
2899 
2900       te = tempbox
2901 
2902       rk_m1(1)  = rk_photo(jphoto_no2)
2903       rk_m1(2)  = rk_photo(jphoto_no3)
2904       rk_m1(3)  = rk_photo(jphoto_hono)
2905       rk_m1(4)  = rk_photo(jphoto_hno3)
2906       rk_m1(5)  = rk_photo(jphoto_hno4)
2907       rk_m1(6)  = rk_photo(jphoto_n2o5)
2908       rk_m1(7)  = rk_photo(jphoto_o3a)
2909       rk_m1(8)  = rk_photo(jphoto_o3b)
2910       rk_m1(9)  = rk_photo(jphoto_h2o2)
2911       rk_m1(10) = arr(3.2e-11, 70., te)
2912       rk_m1(11) = arr(1.8e-11, 110., te)
2913       rk_m1(12) = 2.2e-10
2914       rk_m1(13) = cair_mlc*6.e-34*(te/300.)**(-2.3)
2915       rk_m1(14) = arr(8.0e-12, -2060., te)
2916       rk_m1(15) = arr(6.5e-12, -120., te)
2917 !
2918       rk0 = 9.0e-32
2919       rnn = 2.0
2920       rki = 2.2e-11
2921       rmm = 0.0
2922       rk_m1(16) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
2923 !
2924       rk0 = 9.0e-32
2925       rnn = 1.5
2926       rki = 3.0e-11
2927       rmm = 0.0
2928       rk_m1(17) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
2929 !
2930       rk_m1(18) = arr(2.0e-12, -1400., te)
2931       rk_m1(19) = arr(1.2e-13, -2450., te)
2932       rk_m1(20) = arr(1.6e-12, -940., te)
2933       rk_m1(21) = arr(1.1e-14, -500., te)
2934       rk_m1(22) = arr(5.5e-12, -2000., te)
2935 !
2936       rk0 = 7.0e-31
2937       rnn = 2.6
2938       rki = 3.6e-11
2939       rmm = 0.1
2940       rk_m1(23) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
2941 !
2942       rk0 = 2.5e-30
2943       rnn = 4.4
2944       rki = 1.6e-11
2945       rmm = 1.7
2946       rk_m1(24) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
2947 !
2948       rk_m1(25) = 2.2e-11
2949       rk_m1(26) = arr(1.8e-11, -390., te)
2950             rko = 7.2e-15 * exp(785./te)
2951             rk2 = 4.1e-16 * exp(1440./te)
2952             rk3 = 1.9e-33 * exp(725./te)*cair_mlc
2953       rk_m1(27) = rko + rk3/(1.+rk3/rk2)
2954       rk_m1(28) = arr(1.3e-12, 380., te)
2955       rk_m1(29) = arr(4.8e-11, 250., te)
2956       rk_m1(30) = arr(2.9e-12, -160., te)
2957       rk_m1(31) = 2.3e-13 * exp(600./te) + 	 & 
2958                   1.7e-33 * exp(1000./te)*cair_mlc  ! ho2 + ho2 --> h2o2
2959       rk_m1(32) = rk_m1(31)*1.4e-21*exp(2200./te)   ! ho2 + ho2 + h2o --> h2o2
2960       rk_m1(33) = arr(3.5e-12, 250., te)
2961 !
2962       rk0 = 1.8e-31
2963       rnn = 3.2
2964       rki = 4.7e-12
2965       rmm = 1.4
2966       rk_m1(34) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
2967 !
2968       rk_m1(35) = 5.0e-16
2969       rk_m1(36) = rk_m1(34)*arr(4.8e26, -10900., te)
2970       rk_m1(37) = arr(1.5e-11, 170., te)
2971       rk_m1(38) = arr(4.5e-14, -1260., te)
2972 !
2973       rk0 = 2.2e-30
2974       rnn = 3.9
2975       rki = 1.5e-12
2976       rmm = 0.7
2977       rk_m1(39) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
2978 !
2979       rk_m1(40) = arr(8.5e-13, -2450., te)
2980       rk_m1(41) = 3.5e-12
2981       rk_m1(42) = 2.0e-21
2982       rk_m1(43) = rk_m1(39)*arr(3.7e26, -11000., te)
2983       rk_m1(44) = 1.5e-13 * (1.+8.18e-23*te*cair_mlc) ! co + oh --> ho2
2984 
2985       rk0 = 3.0e-31
2986       rnn = 3.3
2987       rki = 1.5e-12
2988       rmm = 0.0
2989       rk_m1(45) = Troe(cair_mlc,te,rk0,rnn,rki,rmm)
2990 
2991       rk_m1(46) = te**.667*arr(2.8e-14, -1575., te)
2992       rk_m1(47) = te**2*arr(1.5e-17, -492., te)
2993       rk_m1(48) = arr(6.7e-12, -600., te)
2994       rk_m1(49) = rk_photo(jphoto_hchoa)	! hcho + hv --> 2ho2 + co
2995       rk_m1(50) = rk_photo(jphoto_hchob)	! hcho + hv --> co
2996       rk_m1(51) = 1.0e-11
2997       rk_m1(52) = arr(3.4e-13, -1900., te)
2998       rk_m1(53) = rk_photo(jphoto_ch3ooh)
2999       rk_m1(54) = rk_photo(jphoto_ethooh)
3000       rk_m1(55) = arr(3.8e-12, 200., te)
3001       rk_m1(56) = arr(3.8e-12, 200., te)
3002       rk_m1(57) = arr(3.0e-12, 280., te)
3003       rk_m1(58) = arr(2.6e-12, 365., te)
3004       rk_m1(59) = 1.1e-12
3005       rk_m1(60) = 2.5e-12
3006       rk_m1(61) = arr(3.8e-13, 800., te)
3007       rk_m1(62) = arr(7.5e-13, 700., te)
3008       rk_m1(63) = rk_param(jch3o2)
3009       rk_m1(64) = rk_param(jethp)
3010       rk_m1(65) = arr(7.0e-12, -235.,te)
3011 
3012       rk_m2(2)  = rk_photo(jphoto_ald2)
3013       rk_m2(3)  = arr(5.6e-12, 270., te)
3014       rk_m2(4)  = arr(1.4e-12, -1900., te)
3015 !
3016       rk0 = 9.7e-29
3017       rnn = 5.6
3018       rki = 9.3e-12
3019       rmm = 1.5
3020       rk_m2(31) = troe(cair_mlc,te,rk0,rnn,rki,rmm)
3021 !
3022       rk_m2(32) = rk_m2(31)*arr(1.1e28, -14000., te)
3023       rk_m2(34) = arr(5.3e-12, 360., te)
3024       rk_m2(39) = 4.0e-12
3025       rk_m2(44) = arr(4.5e-13, 1000., te)
3026       rk_m2(49) = rk_param(jc2o3)
3027 
3028 ! Heterogeneous reactions
3029 !      rk_m1(65) = rk_het(1)	! O3 -->
3030 !      rk_m1(66) = rk_het(2)	! HO2 --> 0.5H2O2
3031 !      rk_m1(67) = rk_het(3)	! NO2 --> 0.5HONO + 0.5HNO3
3032 !      rk_m1(68) = rk_het(4)	! N2O5 --> 2HNO3
3033 !      rk_m1(69) = rk_het(5)	! HNO3 --> NO2
3034 !      rk_m1(70) = rk_het(6)	! HNO3 --> NO
3035 !      rk_m1(71) = rk_het(7)	! NO3 --> NO + O2
3036 
3037 ! all rate constants but be >= 0
3038       do i = 1, nrxn_m1
3039           rk_m1(i) = max( rk_m1(i), 0.0 )
3040       end do
3041       do i = 1, nrxn_m2
3042           rk_m2(i) = max( rk_m2(i), 0.0 )
3043       end do
3044 
3045       return
3046       end subroutine gasthermrk_m1                             
3047  
3048  
3049  
3050 !***********************************************************************
3051 ! <27.> subr gasthermrk_m2
3052 !
3053 ! purpose: computes thermal reaction rate coefficients for
3054 !          mechanism 2
3055 !
3056 ! author : Rahul A. Zaveri
3057 ! date   : December 1998
3058 !
3059 !-------------------------------------------------------------------------
3060 
3061       subroutine gasthermrk_m2( tempbox, cair_mlc,   &
3062 		 rk_photo, rk_param, rk_m2 )
3063 
3064       use module_data_cbmz
3065       implicit none
3066 
3067 !   subr arguments 
3068       real tempbox, cair_mlc
3069       real rk_photo(nphoto), rk_param(nperox), rk_m2(nrxn_m2)
3070 !   local variables
3071       integer i
3072       real rk0, rki, rmm, rnn, te
3073 !     real arr, troe
3074 
3075 
3076       te = tempbox
3077 
3078       rk_m2(1)  = 8.1e-13
3079 
3080       rk_m2(5)  = rk_photo(jphoto_aone)
3081       rk_m2(6)  = te**2*arr(5.3e-18, -230., te)
3082       rk_m2(7)  = rk_photo(jphoto_mgly)
3083       rk_m2(8)  = 1.7e-11
3084       rk_m2(9)  = arr(1.4e-12, -1900., te)
3085       rk_m2(10) = arr(1.2e-14, -2630., te)
3086 !
3087       rk0 = 1.0e-28
3088       rnn = 0.8
3089       rki = 8.8e-12
3090       rmm = 0.0
3091       rk_m2(11) = troe(cair_mlc,te,rk0,rnn,rki,rmm)
3092 !
3093       rk_m2(12) = arr(4.2e-15, -1800., te)
3094       rk_m2(13) = arr(8.9e-16, -392., te)
3095       rk_m2(14) = arr(5.8e-12, 478., te)
3096       rk_m2(15) = arr(2.9e-11, 255., te)
3097       rk_m2(16) = arr(3.1e-13, -1010., te)
3098       rk_m2(17) = 2.5e-12
3099       rk_m2(18) = arr(2.1e-12, 322., te)
3100       rk_m2(19) = arr(1.7e-11, 116., te)
3101       rk_m2(20) = 8.1e-12
3102       rk_m2(21) = 4.1e-11
3103       rk_m2(22) = 2.2e-11
3104       rk_m2(23) = 1.4e-11
3105       rk_m2(24) = 3.0e-11
3106       rk_m2(25) = rk_photo(jphoto_open)
3107       rk_m2(26) = arr(5.4e-17, -500., te)
3108       rk_m2(27) = rk_photo(jphoto_rooh)
3109       rk_m2(28) = arr(3.8e-12, 200., te)
3110       rk_m2(29) = arr(1.6e-11, -540., te)
3111       rk_m2(30) = rk_photo(jphoto_onit)
3112 
3113       rk_m2(33) = 4.0e-12
3114 
3115       rk_m2(35) = 4.0e-12
3116       rk_m2(36) = 4.0e-12
3117       rk_m2(37) = 4.0e-12
3118       rk_m2(38) = 2.5e-12
3119 
3120       rk_m2(40) = 1.2e-12
3121       rk_m2(41) = 4.0e-12
3122       rk_m2(42) = 2.5e-12
3123       rk_m2(43) = arr(1.7e-13, 1300., te)
3124 
3125       rk_m2(45) = arr(1.2e-13, 1300., te)
3126       rk_m2(46) = arr(1.7e-13, 1300., te)
3127       rk_m2(47) = arr(1.7e-13, 1300., te)
3128       rk_m2(48) = rk_param(jro2)
3129 
3130       rk_m2(50) = rk_param(jano2)
3131       rk_m2(51) = rk_param(jnap)
3132       rk_m2(52) = rk_param(jxo2)
3133       rk_m2(53) = 1.0e-11		! XPAR + PAR -->
3134 
3135 ! all rate constants but be >= 0
3136       do i = 1, nrxn_m2
3137           rk_m2(i) = max( rk_m2(i), 0.0 )
3138       end do
3139 
3140       return
3141       end subroutine gasthermrk_m2                             
3142  
3143  
3144  
3145 !***********************************************************************
3146 ! <28.> subr gasthermrk_m3
3147 !
3148 ! purpose: computes thermal reaction rate coefficients for
3149 !          mechanism 3
3150 !
3151 ! author : Rahul A. Zaveri
3152 ! date   : December 1998
3153 !
3154 !-------------------------------------------------------------------------
3155 
3156       subroutine gasthermrk_m3( tempbox, cair_mlc,   &
3157 		 rk_photo, rk_param, rk_m3 )
3158 
3159       use module_data_cbmz
3160       implicit none
3161 
3162 !   subr arguments 
3163       real tempbox, cair_mlc
3164       real rk_photo(nphoto), rk_param(nperox), rk_m3(nrxn_m3)
3165 !   local variables
3166       integer i
3167       real te
3168 !     real arr
3169 
3170 
3171       te = tempbox
3172 !
3173       rk_m3(1)  = arr(2.6e-11, 409., te)
3174       rk_m3(2)  = arr(1.2e-14, -2013., te)
3175       rk_m3(3)  = arr(3.0e-12, -446., te)
3176       rk_m3(4)  = rk_photo(jphoto_isoprd)
3177       rk_m3(5)  = 3.3e-11
3178       rk_m3(6)  = 7.0e-18
3179       rk_m3(7)  = 1.0e-15
3180       rk_m3(8)  = 4.0e-12
3181       rk_m3(9)  = 4.0e-12
3182       rk_m3(10) = 4.0e-12
3183       rk_m3(11) = arr(1.7e-13, 1300., te)
3184       rk_m3(12) = arr(1.7e-13, 1300., te)
3185       rk_m3(13) = arr(1.7e-13, 1300., te)
3186       rk_m3(14) = rk_param(jisopp)
3187       rk_m3(15) = rk_param(jisopn)
3188       rk_m3(16) = rk_param(jisopo2)
3189  
3190 ! all rate constants but be >= 0
3191       do i = 1, nrxn_m3
3192           rk_m3(i) = max( rk_m3(i), 0.0 )
3193       end do
3194 
3195       return
3196       end subroutine gasthermrk_m3                             
3197  
3198  
3199  
3200 !***********************************************************************
3201 ! <29.> subr gasthermrk_m4
3202 !
3203 ! purpose: computes thermal reaction rate coefficients for
3204 !          mechanism 4
3205 !
3206 ! author : Rahul A. Zaveri
3207 ! date   : December 1998
3208 !
3209 !-------------------------------------------------------------------------
3210 
3211       subroutine gasthermrk_m4( tempbox, cair_mlc,   &
3212 		 rk_photo, rk_param, rk_m4 )
3213 
3214       use module_data_cbmz
3215       implicit none
3216 
3217 !   subr arguments 
3218       real tempbox, cair_mlc
3219       real rk_photo(nphoto), rk_param(nperox), rk_m4(nrxn_m4)
3220 !   local variables
3221       integer i
3222       real B_abs, B_add, rk_tot, rk_tot_den, rk_tot_num, te
3223 !     real arr
3224 
3225 
3226       te = tempbox
3227 !
3228       rk_m4(1) = arr(9.6e-12, -234., te)	! ch3sch3 + oh --> ch3sch2
3229       rk_m4(2) = arr(1.4e-13, 500., te)
3230       rk_m4(3) = arr(1.3e-11, 409., te)
3231 
3232 ! Hynes et al. (1986)
3233       rk_tot_num =       te * exp(-234./te) +   &
3234                    8.46e-10 * exp(7230./te) +   &
3235                    2.68e-10 * exp(7810./te)
3236       rk_tot_den = 1.04e+11 * te + 88.1 * exp(7460./te)
3237       rk_tot	 = rk_tot_num/rk_tot_den
3238       B_abs      = rk_m4(1)/rk_tot
3239       B_add	 = 1. - B_abs
3240 
3241       rk_m4(4)  = B_add*rk_tot			! ch3sch3 + oh --> ch3s(oh)ch3
3242       rk_m4(5)  = 8.0e-12
3243       rk_m4(6)  = 1.8e-13
3244       rk_m4(7)  = 2.5e-13
3245       rk_m4(8)  = 8.6e-14
3246       rk_m4(9)  = 5.8e-11
3247       rk_m4(10) = 1.0e-14
3248       rk_m4(11) = 5.0e-12
3249       rk_m4(12) = 1.8e-13
3250       rk_m4(13) = 1.0e-15
3251       rk_m4(14) = 1.0e-13
3252       rk_m4(15) = 1.0e-15
3253       rk_m4(16) = 1.6e-11
3254       rk_m4(17) = 1.0e-13
3255       rk_m4(18) = arr(2.5e-13, -8686., te)
3256       rk_m4(19) = 1.0e-14
3257       rk_m4(20) = 5.0e-15
3258       rk_m4(21) = 2.5e-13
3259       rk_m4(22) = 2.5e-13
3260       rk_m4(23) = 5.0e-11
3261       rk_m4(24) = 2.6e-18
3262       rk_m4(25) = 3.3
3263       rk_m4(26) = 1.0e-11
3264       rk_m4(27) = 5.5e-12
3265       rk_m4(28) = arr(2.0e17, -12626., te)
3266       rk_m4(29) = 3.0e-15
3267       rk_m4(30) = 3.0e-15
3268       rk_m4(31) = 5.0e-11
3269       rk_m4(32) = 1.6e-15
3270  
3271 ! all rate constants but be >= 0
3272       do i = 1, nrxn_m4
3273           rk_m4(i) = max( rk_m4(i), 0.0 )
3274       end do
3275 
3276       return
3277       end subroutine gasthermrk_m4                             
3278  
3279  
3280  
3281  
3282 !***********************************************************************
3283 ! <26.> subr hetrateconstants
3284 !
3285 ! purpose: computes heterogeneous reaction rate coefficients
3286 !
3287 ! author : Rahul A. Zaveri
3288 ! date   : May 2000
3289 !
3290 !-------------------------------------------------------------------------
3291 
3292       subroutine hetrateconstants
3293       implicit none
3294 
3295       return
3296       end subroutine hetrateconstants
3297  
3298  
3299  
3300 !***********************************************************************
3301 ! <31.> func troe
3302 !
3303 ! purpose: calculates Troe reaction rate coefficient
3304 !
3305 ! author : Rahul A. Zaveri
3306 ! date   : December 1998
3307 !-----------------------------------------------------------------------
3308 
3309       real function troe( cairmlc, te, rk0, rnn, rki, rmm )
3310       implicit none
3311 !   func parameters
3312       real cairmlc, te, rk0, rnn, rki, rmm
3313 !   local variables
3314       real expo
3315 
3316       rk0 = rk0*cairmlc*(te/300.)**(-rnn)
3317       rki = rki*(te/300.)**(-rmm)
3318       expo= 1./(1. + (ALOG10(rk0/rki))**2)
3319       troe  = (rk0*rki/(rk0+rki))*.6**expo
3320       return
3321       end function troe                                   
3322  
3323  
3324  
3325 !***********************************************************************
3326 ! <32.> func arr
3327 !
3328 ! purpose: calculates arrhenius rate coefficient
3329 !
3330 ! author : Rahul A. Zaveri
3331 ! date   : December 1998
3332 !-----------------------------------------------------------------------
3333 
3334       real function arr( aa, bb, te )
3335       implicit none
3336 !   func parameters
3337       real aa, bb, te
3338 
3339       arr = aa*exp(bb/te)
3340       return
3341       end function arr              
3342 
3343 
3344 
3345 !***********************************************************************
3346 ! <xx.> subr mapgas_tofrom_host
3347 !
3348 ! purpose: maps gas species between cboxold/new and host arrays
3349 !
3350 ! author : R. C. Easter
3351 ! date   : November, 2003
3352 !
3353 ! ----------------------------------------------------------------------
3354 
3355 	subroutine mapgas_tofrom_host( imap,          &
3356 		i_boxtest_units_convert,              &
3357 		it,jt,kt, ims,ime, jms,jme, kms,kme,  &
3358 		num_moist, num_chem, moist, chem,     &
3359 		t_phy, p_phy, rho_phy,                &
3360 		cbox, tempbox, pressbox, airdenbox,   &
3361 		cair_mlc,                             &
3362 		h2o, ch4, oxygen, nitrogen, hydrogen  )
3363 
3364         use module_configure, only:                             &
3365 		p_qv,                                           &
3366 		p_so2, p_sulf, p_no2, p_no, p_o3,               &
3367 		p_hno3, p_h2o2, p_ald, p_hcho, p_op1,           &
3368 		p_op2, p_paa, p_ora1, p_ora2, p_nh3,            &
3369 		p_n2o5, p_no3, p_pan, p_hc3, p_hc5,             &
3370 		p_hc8, p_eth, p_co, p_ol2, p_olt,               &
3371 		p_oli, p_tol, p_xyl, p_aco3, p_tpan,            &
3372 		p_hono, p_hno4, p_ket, p_gly, p_mgly,           &
3373 		p_dcb, p_onit, p_csl, p_iso, p_ho,              &
3374 		p_ho2,                                          &
3375 		p_hcl, p_ch3o2, p_ethp, p_ch3oh, p_c2h5oh,      &
3376 		p_par, p_to2, p_cro, p_open, p_op3,             &
3377 		p_c2o3, p_ro2, p_ano2, p_nap, p_xo2,            &
3378 		p_xpar, p_isoprd, p_isopp, p_isopn, p_isopo2,   &
3379 		p_dms, p_msa, p_dmso, p_dmso2, p_ch3so2h,       &
3380 		p_ch3sch2oo, p_ch3so2, p_ch3so3, p_ch3so2oo, p_ch3so2ch2oo, &
3381 		p_mtf
3382 	use module_data_cbmz
3383 	implicit none
3384 
3385 !   subr arguments 
3386 	INTEGER, INTENT(IN) :: imap, it,jt,kt, ims,ime, jms,jme, kms,kme, &
3387 		num_moist, num_chem, i_boxtest_units_convert
3388 	REAL, DIMENSION( ims:ime, kms:kme, jms:jme, num_moist ), &
3389 	    INTENT(IN) :: moist
3390 	REAL, DIMENSION( ims:ime, kms:kme, jms:jme, num_chem ), &
3391 	    INTENT(INOUT) :: chem
3392 	REAL, DIMENSION( ims:ime , kms:kme , jms:jme ) , &
3393 	    INTENT(IN) :: t_phy, &	! temperature
3394 		          p_phy, &	! air pressure (Pa)
3395 		          rho_phy	! air density (kg/m3)
3396 	REAL, INTENT(INOUT) :: cbox(ngas_z)
3397 	REAL, INTENT(INOUT) :: tempbox, pressbox, airdenbox
3398 	REAL, INTENT(INOUT) :: cair_mlc
3399 	REAL, INTENT(INOUT) :: h2o, ch4, oxygen, nitrogen, hydrogen
3400 
3401 !   local variables
3402 	integer l
3403 	real factoraa
3404 	real, parameter :: eps=0.622
3405 
3406 
3407 	tempbox = t_phy(it,kt,jt)
3408 !   p_phy = (Pa);  pressbox = (dynes/cm2)
3409 	pressbox = p_phy(it,kt,jt)*10.0
3410 !   rho_phy = (kg_air/m3);  airdenbox = (mole_air/cm3)
3411 	airdenbox = rho_phy(it,kt,jt)/28.966e3
3412 	if (i_boxtest_units_convert .eq. 10) then
3413 	    airdenbox = rho_phy(it,kt,jt)
3414 	end if
3415 
3416 	if (imap .gt. 0) goto 2000
3417 
3418 !
3419 !   imap==0 -- initial species mapping from host array to cboxold
3420 !              chem --> czz --> cbox
3421 !
3422 !   note:  do not map nh3, hcl
3423 !
3424 	cbox(:) = 0.0
3425 
3426 !   cair_mlc = (molecules_air/cm3)
3427 	cair_mlc = airdenbox*avognumkpp
3428 
3429 !  moist = (kg_h2o/kg_air);  czz = (mole_h2o/cm3);  h2o = (molecules_h2o/cm3)
3430 !	czz(ih2o_z) = (moist(it,kt,jt,p_qv)/eps)*airdenbox
3431 !	if (i_boxtest_units_convert .eq. 10) then
3432 !	    czz(ih2o_z) = moist(it,kt,jt,p_qv)*airdenbox
3433 !	end if
3434 !	h2o      = czz(ih2o_z)*avognumkpp
3435 	h2o = (moist(it,kt,jt,p_qv)/eps)*airdenbox
3436 	if (i_boxtest_units_convert .eq. 10) then
3437 	    h2o = moist(it,kt,jt,p_qv)*airdenbox
3438 	end if
3439 	h2o = h2o*avognumkpp
3440 
3441 !	czz(ich4_z) = 1.7e-6*airdenbox           ! ch4 conc. in mol/cc
3442 !	ch4      = czz(ich4_z)*avognumkpp        ! ch4 conc. in molec/cc
3443 	ch4      = 1.7e-6*airdenbox*avognumkpp   ! ch4 conc. in molec/cc
3444 
3445 	oxygen   = 0.21*cair_mlc                 ! o2 conc. in molec/cc
3446 	nitrogen = 0.79*cair_mlc                 ! n2 conc. in molec/cc
3447 	hydrogen = 0.58e-6*cair_mlc              ! h2 conc. in molec/cc
3448 
3449 !   chem units = (ppm);  czz units = (mole/cm3);  cbox units = (molecules/cm3)
3450 	factoraa = airdenbox*1.0e-6
3451 	if (i_boxtest_units_convert .eq. 10) factoraa = airdenbox
3452 	factoraa = factoraa*avognumkpp
3453 
3454 	cbox(iso2_z)	     = chem(it,kt,jt,p_so2)*factoraa
3455 	cbox(ih2so4_z)	     = chem(it,kt,jt,p_sulf)*factoraa
3456 	cbox(ino2_z)	     = chem(it,kt,jt,p_no2)*factoraa
3457 	cbox(ino_z)	     = chem(it,kt,jt,p_no)*factoraa
3458 	cbox(io3_z)	     = chem(it,kt,jt,p_o3)*factoraa
3459 	cbox(ihno3_z)	     = chem(it,kt,jt,p_hno3)*factoraa
3460 	cbox(ih2o2_z)	     = chem(it,kt,jt,p_h2o2)*factoraa
3461 	cbox(iald2_z)	     = chem(it,kt,jt,p_ald)*factoraa
3462 	cbox(ihcho_z)	     = chem(it,kt,jt,p_hcho)*factoraa
3463 	cbox(ich3ooh_z)	     = chem(it,kt,jt,p_op1)*factoraa
3464 	cbox(iethooh_z)	     = chem(it,kt,jt,p_op2)*factoraa
3465 	cbox(ihcooh_z)	     = chem(it,kt,jt,p_ora1)*factoraa
3466 	cbox(ircooh_z)	     = chem(it,kt,jt,p_ora2)*factoraa
3467 	cbox(inh3_z)	     = chem(it,kt,jt,p_nh3)*factoraa
3468 	cbox(in2o5_z)	     = chem(it,kt,jt,p_n2o5)*factoraa
3469 	cbox(ino3_z)	     = chem(it,kt,jt,p_no3)*factoraa
3470 	cbox(ipan_z)	     = chem(it,kt,jt,p_pan)*factoraa
3471 	cbox(ic2h6_z)	     = chem(it,kt,jt,p_eth)*factoraa
3472 	cbox(ico_z)	     = chem(it,kt,jt,p_co)*factoraa
3473 	cbox(ieth_z)	     = chem(it,kt,jt,p_ol2)*factoraa
3474 	cbox(iolet_z)	     = chem(it,kt,jt,p_olt)*factoraa
3475 	cbox(iolei_z)	     = chem(it,kt,jt,p_oli)*factoraa
3476 	cbox(itol_z)	     = chem(it,kt,jt,p_tol)*factoraa
3477 	cbox(ixyl_z)	     = chem(it,kt,jt,p_xyl)*factoraa
3478 	cbox(ihono_z)	     = chem(it,kt,jt,p_hono)*factoraa
3479 	cbox(ihno4_z)	     = chem(it,kt,jt,p_hno4)*factoraa
3480 	cbox(iaone_z)	     = chem(it,kt,jt,p_ket)*factoraa
3481 	cbox(imgly_z)	     = chem(it,kt,jt,p_mgly)*factoraa
3482 	cbox(ionit_z)	     = chem(it,kt,jt,p_onit)*factoraa
3483 	cbox(icres_z)	     = chem(it,kt,jt,p_csl)*factoraa
3484 	cbox(iisop_z)	     = chem(it,kt,jt,p_iso)*factoraa
3485 	cbox(ioh_z)	     = chem(it,kt,jt,p_ho)*factoraa
3486 	cbox(iho2_z)	     = chem(it,kt,jt,p_ho2)*factoraa
3487 
3488 	cbox(ihcl_z)	     = chem(it,kt,jt,p_hcl)*factoraa
3489 	cbox(ich3o2_z)	     = chem(it,kt,jt,p_ch3o2)*factoraa
3490 	cbox(iethp_z)	     = chem(it,kt,jt,p_ethp)*factoraa
3491 	cbox(ich3oh_z)	     = chem(it,kt,jt,p_ch3oh)*factoraa
3492 	cbox(ic2h5oh_z)	     = chem(it,kt,jt,p_c2h5oh)*factoraa
3493 	cbox(ipar_z)	     = chem(it,kt,jt,p_par)*factoraa
3494 	cbox(ito2_z)	     = chem(it,kt,jt,p_to2)*factoraa
3495 	cbox(icro_z)	     = chem(it,kt,jt,p_cro)*factoraa
3496 	cbox(iopen_z)	     = chem(it,kt,jt,p_open)*factoraa
3497 	cbox(irooh_z)	     = chem(it,kt,jt,p_op3)*factoraa
3498 	cbox(ic2o3_z)	     = chem(it,kt,jt,p_c2o3)*factoraa
3499 	cbox(iro2_z)	     = chem(it,kt,jt,p_ro2)*factoraa
3500 	cbox(iano2_z)	     = chem(it,kt,jt,p_ano2)*factoraa
3501 	cbox(inap_z)	     = chem(it,kt,jt,p_nap)*factoraa
3502 	cbox(ixo2_z)	     = chem(it,kt,jt,p_xo2)*factoraa
3503 	cbox(ixpar_z)	     = chem(it,kt,jt,p_xpar)*factoraa
3504 	cbox(iisoprd_z)	     = chem(it,kt,jt,p_isoprd)*factoraa
3505 	cbox(iisopp_z)	     = chem(it,kt,jt,p_isopp)*factoraa
3506 	cbox(iisopn_z)	     = chem(it,kt,jt,p_isopn)*factoraa
3507 	cbox(iisopo2_z)	     = chem(it,kt,jt,p_isopo2)*factoraa
3508 	cbox(idms_z)	     = chem(it,kt,jt,p_dms)*factoraa
3509 	cbox(imsa_z)	     = chem(it,kt,jt,p_msa)*factoraa
3510 	cbox(idmso_z)	     = chem(it,kt,jt,p_dmso)*factoraa
3511 	cbox(idmso2_z)	     = chem(it,kt,jt,p_dmso2)*factoraa
3512 	cbox(ich3so2h_z)     = chem(it,kt,jt,p_ch3so2h)*factoraa
3513 	cbox(ich3sch2oo_z)   = chem(it,kt,jt,p_ch3sch2oo)*factoraa
3514 	cbox(ich3so2_z)	     = chem(it,kt,jt,p_ch3so2)*factoraa
3515 	cbox(ich3so3_z)	     = chem(it,kt,jt,p_ch3so3)*factoraa
3516 	cbox(ich3so2oo_z)    = chem(it,kt,jt,p_ch3so2oo)*factoraa
3517 	cbox(ich3so2ch2oo_z) = chem(it,kt,jt,p_ch3so2ch2oo)*factoraa
3518 	cbox(imtf_z)	     = chem(it,kt,jt,p_mtf)*factoraa
3519 
3520 	cbox(ih2o_z)	     = h2o
3521 	cbox(ich4_z)	     = ch4
3522 	cbox(io2_z)	     = oxygen
3523 	cbox(in2_z)	     = nitrogen
3524 	cbox(ih2_z)	     = hydrogen
3525 
3526 	return
3527 
3528 !
3529 !   imap==1 -- final species mapping from cbox back to host array
3530 !              cbox --> czz --> chem
3531 !
3532 !   note1:  do not map nh3, hcl, ch4
3533 !
3534 2000	continue
3535 !   chem = (ppm);  czz = (mole/cm3);  cbox = (molecules/cm3)
3536 	factoraa = airdenbox*1.0e-6
3537 	if (i_boxtest_units_convert .eq. 10) factoraa = airdenbox
3538 	factoraa = factoraa*avognumkpp
3539 
3540 	chem(it,kt,jt,p_so2)	     = cbox(iso2_z)/factoraa
3541 	chem(it,kt,jt,p_sulf)	     = cbox(ih2so4_z)/factoraa
3542 	chem(it,kt,jt,p_no2)	     = cbox(ino2_z)/factoraa
3543 	chem(it,kt,jt,p_no)	     = cbox(ino_z)/factoraa
3544 	chem(it,kt,jt,p_o3)	     = cbox(io3_z)/factoraa
3545 	chem(it,kt,jt,p_hno3)	     = cbox(ihno3_z)/factoraa
3546 	chem(it,kt,jt,p_h2o2)	     = cbox(ih2o2_z)/factoraa
3547 	chem(it,kt,jt,p_ald)	     = cbox(iald2_z)/factoraa
3548 	chem(it,kt,jt,p_hcho)	     = cbox(ihcho_z)/factoraa
3549 	chem(it,kt,jt,p_op1)	     = cbox(ich3ooh_z)/factoraa
3550 	chem(it,kt,jt,p_op2)	     = cbox(iethooh_z)/factoraa
3551 	chem(it,kt,jt,p_ora1)	     = cbox(ihcooh_z)/factoraa
3552 	chem(it,kt,jt,p_ora2)	     = cbox(ircooh_z)/factoraa
3553 	chem(it,kt,jt,p_nh3)	     = cbox(inh3_z)/factoraa
3554 	chem(it,kt,jt,p_n2o5)	     = cbox(in2o5_z)/factoraa
3555 	chem(it,kt,jt,p_no3)	     = cbox(ino3_z)/factoraa
3556 	chem(it,kt,jt,p_pan)	     = cbox(ipan_z)/factoraa
3557 	chem(it,kt,jt,p_eth)	     = cbox(ic2h6_z)/factoraa
3558 	chem(it,kt,jt,p_co)	     = cbox(ico_z)/factoraa
3559 	chem(it,kt,jt,p_ol2)	     = cbox(ieth_z)/factoraa
3560 	chem(it,kt,jt,p_olt)	     = cbox(iolet_z)/factoraa
3561 	chem(it,kt,jt,p_oli)	     = cbox(iolei_z)/factoraa
3562 	chem(it,kt,jt,p_tol)	     = cbox(itol_z)/factoraa
3563 	chem(it,kt,jt,p_xyl)	     = cbox(ixyl_z)/factoraa
3564 	chem(it,kt,jt,p_hono)	     = cbox(ihono_z)/factoraa
3565 	chem(it,kt,jt,p_hno4)	     = cbox(ihno4_z)/factoraa
3566 	chem(it,kt,jt,p_ket)	     = cbox(iaone_z)/factoraa
3567 	chem(it,kt,jt,p_mgly)	     = cbox(imgly_z)/factoraa
3568 	chem(it,kt,jt,p_onit)	     = cbox(ionit_z)/factoraa
3569 	chem(it,kt,jt,p_csl)	     = cbox(icres_z)/factoraa
3570 	chem(it,kt,jt,p_iso)	     = cbox(iisop_z)/factoraa
3571 	chem(it,kt,jt,p_ho)	     = cbox(ioh_z)/factoraa
3572 	chem(it,kt,jt,p_ho2)	     = cbox(iho2_z)/factoraa
3573 
3574 	chem(it,kt,jt,p_hcl)	     = cbox(ihcl_z)/factoraa
3575 	chem(it,kt,jt,p_ch3o2)	     = cbox(ich3o2_z)/factoraa
3576 	chem(it,kt,jt,p_ethp)	     = cbox(iethp_z)/factoraa
3577 	chem(it,kt,jt,p_ch3oh)	     = cbox(ich3oh_z)/factoraa
3578 	chem(it,kt,jt,p_c2h5oh)	     = cbox(ic2h5oh_z)/factoraa
3579 	chem(it,kt,jt,p_par)	     = cbox(ipar_z)/factoraa
3580 	chem(it,kt,jt,p_to2)	     = cbox(ito2_z)/factoraa
3581 	chem(it,kt,jt,p_cro)	     = cbox(icro_z)/factoraa
3582 	chem(it,kt,jt,p_open)	     = cbox(iopen_z)/factoraa
3583 	chem(it,kt,jt,p_op3)	     = cbox(irooh_z)/factoraa
3584 	chem(it,kt,jt,p_c2o3)	     = cbox(ic2o3_z)/factoraa
3585 	chem(it,kt,jt,p_ro2)	     = cbox(iro2_z)/factoraa
3586 	chem(it,kt,jt,p_ano2)	     = cbox(iano2_z)/factoraa
3587 	chem(it,kt,jt,p_nap)	     = cbox(inap_z)/factoraa
3588 	chem(it,kt,jt,p_xo2)	     = cbox(ixo2_z)/factoraa
3589 	chem(it,kt,jt,p_xpar)	     = cbox(ixpar_z)/factoraa
3590 	chem(it,kt,jt,p_isoprd)	     = cbox(iisoprd_z)/factoraa
3591 	chem(it,kt,jt,p_isopp)	     = cbox(iisopp_z)/factoraa
3592 	chem(it,kt,jt,p_isopn)	     = cbox(iisopn_z)/factoraa
3593 	chem(it,kt,jt,p_isopo2)	     = cbox(iisopo2_z)/factoraa
3594 	chem(it,kt,jt,p_dms)	     = cbox(idms_z)/factoraa
3595 	chem(it,kt,jt,p_msa)	     = cbox(imsa_z)/factoraa
3596 	chem(it,kt,jt,p_dmso)	     = cbox(idmso_z)/factoraa
3597 	chem(it,kt,jt,p_dmso2)	     = cbox(idmso2_z)/factoraa
3598 	chem(it,kt,jt,p_ch3so2h)     = cbox(ich3so2h_z)/factoraa
3599 	chem(it,kt,jt,p_ch3sch2oo)   = cbox(ich3sch2oo_z)/factoraa
3600 	chem(it,kt,jt,p_ch3so2)	     = cbox(ich3so2_z)/factoraa
3601 	chem(it,kt,jt,p_ch3so3)	     = cbox(ich3so3_z)/factoraa
3602 	chem(it,kt,jt,p_ch3so2oo)    = cbox(ich3so2oo_z)/factoraa
3603 	chem(it,kt,jt,p_ch3so2ch2oo) = cbox(ich3so2ch2oo_z)/factoraa
3604 	chem(it,kt,jt,p_mtf)	     = cbox(imtf_z)/factoraa
3605 
3606 	return
3607 	end subroutine mapgas_tofrom_host 
3608 
3609 
3610 
3611 !***********************************************************************
3612 ! <xx.> subr set_gaschem_allowed_regimes
3613 !
3614 ! purpose: determines which gas-phase chemistry regimes are allowed based
3615 !          on which species are active in the simulation
3616 !
3617 ! author :
3618 ! date   :
3619 !
3620 ! ----------------------------------------------------------------------
3621 
3622 	subroutine set_gaschem_allowed_regimes( lunerr,   &
3623 		igaschem_allowed_m1, igaschem_allowed_m2,   &
3624 		igaschem_allowed_m3, igaschem_allowed_m4 )
3625 !
3626 !   determines which gas-phase chemistry regimes are allowed based
3627 !   on which species are active in the simulation
3628 !
3629         use module_configure, only:                             &
3630 		p_qv,                                           &
3631 		p_so2, p_sulf, p_no2, p_no, p_o3,               &
3632 		p_hno3, p_h2o2, p_ald, p_hcho, p_op1,           &
3633 		p_op2, p_paa, p_ora1, p_ora2, p_nh3,            &
3634 		p_n2o5, p_no3, p_pan, p_hc3, p_hc5,             &
3635 		p_hc8, p_eth, p_co, p_ol2, p_olt,               &
3636 		p_oli, p_tol, p_xyl, p_aco3, p_tpan,            &
3637 		p_hono, p_hno4, p_ket, p_gly, p_mgly,           &
3638 		p_dcb, p_onit, p_csl, p_iso, p_ho,              &
3639 		p_ho2,                                          &
3640 		p_hcl, p_ch3o2, p_ethp, p_ch3oh, p_c2h5oh,      &
3641 		p_par, p_to2, p_cro, p_open, p_op3,             &
3642 		p_c2o3, p_ro2, p_ano2, p_nap, p_xo2,            &
3643 		p_xpar, p_isoprd, p_isopp, p_isopn, p_isopo2,   &
3644 		p_dms, p_msa, p_dmso, p_dmso2, p_ch3so2h,       &
3645 		p_ch3sch2oo, p_ch3so2, p_ch3so3, p_ch3so2oo, p_ch3so2ch2oo, &
3646 		p_mtf
3647         use module_state_description, only:  param_first_scalar
3648 	use module_data_cbmz
3649 	implicit none
3650 
3651 !   subr arguments
3652 	integer lunerr
3653 	integer igaschem_allowed_m1, igaschem_allowed_m2,   &
3654 		igaschem_allowed_m3, igaschem_allowed_m4
3655 
3656 !   local variables
3657 	integer nactive, ndum, p1st
3658 	character*80 msg
3659 
3660 
3661 !   index for first "active" scalar (= 2)
3662 	p1st = param_first_scalar
3663 
3664 !   determine if regime 1 is allowed
3665 !   (note:  p_xxx>1 if xxx is active, p_xxx=1 if inactive)
3666 	if (p_qv .lt. p1st) then
3667 	    msg = '*** subr set_gaschem_allowed_regimes'
3668 	    call peg_message( lunerr, msg )
3669 	    msg = '*** water vapor IS NOT ACTIVE'
3670 	    call peg_message( lunerr, msg )
3671 	    call peg_error_fatal( lunerr, msg )
3672 	end if
3673 
3674 !   determine if regime 1 is allowed
3675 !   (note:  p_xxx>1 if xxx is active, p_xxx=1 if inactive)
3676 	nactive = 0
3677 	ndum = 27
3678 	if (p_no          .ge. p1st) nactive = nactive + 1
3679 	if (p_no2         .ge. p1st) nactive = nactive + 1
3680 	if (p_no3         .ge. p1st) nactive = nactive + 1
3681 	if (p_n2o5        .ge. p1st) nactive = nactive + 1
3682 	if (p_hono        .ge. p1st) nactive = nactive + 1
3683 	if (p_hno3        .ge. p1st) nactive = nactive + 1
3684 	if (p_hno4        .ge. p1st) nactive = nactive + 1
3685 	if (p_o3          .ge. p1st) nactive = nactive + 1
3686 !	if (p_o1d         .ge. p1st) nactive = nactive + 1
3687 !	if (p_o3p         .ge. p1st) nactive = nactive + 1
3688 	if (p_ho          .ge. p1st) nactive = nactive + 1
3689 	if (p_ho2         .ge. p1st) nactive = nactive + 1
3690 	if (p_h2o2        .ge. p1st) nactive = nactive + 1
3691 	if (p_co          .ge. p1st) nactive = nactive + 1
3692 	if (p_so2         .ge. p1st) nactive = nactive + 1
3693 	if (p_sulf        .ge. p1st) nactive = nactive + 1
3694 !	if (p_nh3         .ge. p1st) nactive = nactive + 1
3695 !	if (p_hcl         .ge. p1st) nactive = nactive + 1
3696 	if (p_eth         .ge. p1st) nactive = nactive + 1
3697 	if (p_ch3o2       .ge. p1st) nactive = nactive + 1
3698 	if (p_ethp        .ge. p1st) nactive = nactive + 1
3699 	if (p_hcho        .ge. p1st) nactive = nactive + 1
3700 	if (p_ch3oh       .ge. p1st) nactive = nactive + 1
3701 	if (p_c2h5oh      .ge. p1st) nactive = nactive + 1
3702 	if (p_op1         .ge. p1st) nactive = nactive + 1
3703 	if (p_op2         .ge. p1st) nactive = nactive + 1
3704 	if (p_ald         .ge. p1st) nactive = nactive + 1
3705 	if (p_ora1        .ge. p1st) nactive = nactive + 1
3706 	if (p_pan         .ge. p1st) nactive = nactive + 1
3707 	if (p_ora2        .ge. p1st) nactive = nactive + 1
3708 	if (p_c2o3        .ge. p1st) nactive = nactive + 1
3709 
3710 	if (nactive .le. 0) then
3711 	    igaschem_allowed_m1 = 0
3712 	else if (nactive .eq. ndum) then
3713 	    igaschem_allowed_m1 = 1
3714 	else
3715 	    msg = '*** subr set_gaschem_allowed_regimes'
3716 	    call peg_message( lunerr, msg )
3717 	    write(msg,90200) 1, nactive, ndum
3718 	    call peg_message( lunerr, msg )
3719 	    call peg_error_fatal( lunerr, msg )
3720 	end if
3721 90200	format( '    error for regime ', i1, ', nactive, nexpected = ', 2i5 )
3722 
3723 !   determine if regime 2 is allowed
3724 	nactive = 0
3725 	ndum = 19
3726 	if (p_par         .ge. p1st) nactive = nactive + 1
3727 	if (p_ket         .ge. p1st) nactive = nactive + 1
3728 	if (p_mgly        .ge. p1st) nactive = nactive + 1
3729 	if (p_ol2         .ge. p1st) nactive = nactive + 1
3730 	if (p_olt         .ge. p1st) nactive = nactive + 1
3731 	if (p_oli         .ge. p1st) nactive = nactive + 1
3732 	if (p_tol         .ge. p1st) nactive = nactive + 1
3733 	if (p_xyl         .ge. p1st) nactive = nactive + 1
3734 	if (p_csl         .ge. p1st) nactive = nactive + 1
3735 	if (p_to2         .ge. p1st) nactive = nactive + 1
3736 	if (p_cro         .ge. p1st) nactive = nactive + 1
3737 	if (p_open        .ge. p1st) nactive = nactive + 1
3738 	if (p_onit        .ge. p1st) nactive = nactive + 1
3739 	if (p_op3         .ge. p1st) nactive = nactive + 1
3740 	if (p_ro2         .ge. p1st) nactive = nactive + 1
3741 	if (p_ano2        .ge. p1st) nactive = nactive + 1
3742 	if (p_nap         .ge. p1st) nactive = nactive + 1
3743 	if (p_xo2         .ge. p1st) nactive = nactive + 1
3744 	if (p_xpar        .ge. p1st) nactive = nactive + 1
3745 	if (nactive .le. 0) then
3746 	    igaschem_allowed_m2 = 0
3747 	else if (nactive .eq. ndum) then
3748 	    igaschem_allowed_m2 = 2
3749 	else
3750 	    msg = '*** subr set_gaschem_allowed_regimes'
3751 	    call peg_message( lunerr, msg )
3752 	    write(msg,90200) 2, nactive, ndum
3753 	    call peg_message( lunerr, msg )
3754 	    call peg_error_fatal( lunerr, msg )
3755 	end if
3756 
3757 !   determine if regime 3 is allowed
3758 	nactive = 0
3759 	ndum = 5
3760 	if (p_iso         .ge. p1st) nactive = nactive + 1
3761 	if (p_isoprd      .ge. p1st) nactive = nactive + 1
3762 	if (p_isopp       .ge. p1st) nactive = nactive + 1
3763 	if (p_isopn       .ge. p1st) nactive = nactive + 1
3764 	if (p_isopo2      .ge. p1st) nactive = nactive + 1
3765 	if (nactive .le. 0) then
3766 	    igaschem_allowed_m3 = 0
3767 	else if (nactive .eq. ndum) then
3768 	    igaschem_allowed_m3 = 3
3769 	else
3770 	    msg = '*** subr set_gaschem_allowed_regimes'
3771 	    call peg_message( lunerr, msg )
3772 	    write(msg,90200) 3, nactive, ndum
3773 	    call peg_message( lunerr, msg )
3774 	    call peg_error_fatal( lunerr, msg )
3775 	end if
3776 
3777 !   determine if regime 4 is allowed
3778 	nactive = 0
3779 	ndum = 11
3780 	if (p_dms         .ge. p1st) nactive = nactive + 1
3781 	if (p_msa         .ge. p1st) nactive = nactive + 1
3782 	if (p_dmso        .ge. p1st) nactive = nactive + 1
3783 	if (p_dmso2       .ge. p1st) nactive = nactive + 1
3784 	if (p_ch3so2h     .ge. p1st) nactive = nactive + 1
3785 	if (p_ch3sch2oo   .ge. p1st) nactive = nactive + 1
3786 	if (p_ch3so2      .ge. p1st) nactive = nactive + 1
3787 	if (p_ch3so3      .ge. p1st) nactive = nactive + 1
3788 	if (p_ch3so2oo    .ge. p1st) nactive = nactive + 1
3789 	if (p_ch3so2ch2oo .ge. p1st) nactive = nactive + 1
3790 	if (p_mtf         .ge. p1st) nactive = nactive + 1
3791 	if (nactive .le. 0) then
3792 	    igaschem_allowed_m4 = 0
3793 	else if (nactive .eq. ndum) then
3794 	    igaschem_allowed_m4 = 4
3795 	else
3796 	    msg = '*** subr set_gaschem_allowed_regimes'
3797 	    call peg_message( lunerr, msg )
3798 	    write(msg,90200) 4, nactive, ndum
3799 	    call peg_message( lunerr, msg )
3800 	    call peg_error_fatal( lunerr, msg )
3801 	end if
3802 
3803 !   regime 1 must always be allowed
3804 	if (igaschem_allowed_m1 .le. 0) then
3805 	    msg = '*** subr set_gaschem_allowed_regimes'
3806 	    call peg_message( lunerr, msg )
3807 	    write(msg,90300) 1
3808 	    call peg_message( lunerr, msg )
3809 	    call peg_error_fatal( lunerr, msg )
3810 	end if
3811 90300	format( '    regime ', i1, ' must always be allowed' )
3812 
3813 !   if regime 2 is allowed, then regime 1 must be allowed
3814 	if (igaschem_allowed_m2 .gt. 0) then
3815 	    if (igaschem_allowed_m1 .le. 0) then
3816 		msg = '*** subr set_gaschem_allowed_regimes'
3817 		call peg_message( lunerr, msg )
3818 		write(msg,90400) 2, 1
3819 		call peg_message( lunerr, msg )
3820 		call peg_error_fatal( lunerr, msg )
3821 	    end if
3822 	end if
3823 90400	format( '    regime ', i1, ' allowed BUT regime ', i1, ' unallowed' )
3824 
3825 !   if regime 3 is allowed, then regimes 1&2 must be allowed
3826 	if (igaschem_allowed_m3 .gt. 0) then
3827 	    if (igaschem_allowed_m1 .le. 0) then
3828 		msg = '*** subr set_gaschem_allowed_regimes'
3829 		call peg_message( lunerr, msg )
3830 		write(msg,90400) 3, 1
3831 		call peg_message( lunerr, msg )
3832 		call peg_error_fatal( lunerr, msg )
3833 	    else if (igaschem_allowed_m2 .le. 0) then
3834 		msg = '*** subr set_gaschem_allowed_regimes'
3835 		call peg_message( lunerr, msg )
3836 		write(msg,90400) 3, 2
3837 		call peg_message( lunerr, msg )
3838 		call peg_error_fatal( lunerr, msg )
3839 	    end if
3840 	end if
3841 
3842 !   if regime 4 is allowed, then regime 1 must be allowed
3843 	if (igaschem_allowed_m4 .gt. 0) then
3844 	    if (igaschem_allowed_m1 .le. 0) then
3845 		msg = '*** subr set_gaschem_allowed_regimes'
3846 		call peg_message( lunerr, msg )
3847 		write(msg,90400) 4, 1
3848 		call peg_message( lunerr, msg )
3849 		call peg_error_fatal( lunerr, msg )
3850 	    end if
3851 	end if
3852 
3853 	return
3854 	end subroutine set_gaschem_allowed_regimes
3855 
3856 
3857 
3858 !***********************************************************************
3859 ! <xx.> subr gasphotoconstants
3860 !
3861 ! purpose: copy photolytic rate constants from host arrays to local array
3862 !
3863 !-----------------------------------------------------------------------
3864 	subroutine gasphotoconstants( rk_photo,   &
3865 	    i_boxtest_units_convert,               &
3866 	    it,jt,kt, ims,ime, jms,jme, kms,kme,   &
3867 	    ph_o31d, ph_o33p, ph_no2, ph_no3o2, ph_no3o, ph_hno2, &
3868 	    ph_hno3, ph_hno4, ph_h2o2, ph_ch2or, ph_ch2om, &
3869 	    ph_ch3o2h, ph_n2o5 )
3870 !
3871 !   copies photolytic rate constants from host arrays to local arrays
3872 !   note1:   currently 8 rate constants are scaled to other rate constants
3873 !            as is done in zz06gasphotolysis.f
3874 !   note2:   currently the n2o5 rate is set to zero
3875 !
3876 	use module_data_cbmz
3877 	implicit none
3878 
3879 !   subr arguments 
3880 	integer it,jt,kt, ims,ime, jms,jme, kms,kme
3881 	integer i_boxtest_units_convert
3882 	real rk_photo(nphoto)
3883 	real, dimension( ims:ime, kms:kme, jms:jme ) :: &
3884                ph_o31d, ph_o33p, ph_no2, ph_no3o2, ph_no3o, ph_hno2, &
3885                ph_hno3, ph_hno4, ph_h2o2, ph_ch2or, ph_ch2om, &
3886                ph_ch3o2h, ph_n2o5
3887 
3888 !   local variables
3889 	real ft
3890 
3891 
3892 	rk_photo(:) = 0.0
3893 
3894 !   these from wrf/madronnich rate constants
3895 	rk_photo(jphoto_no2)    = ph_no2(it,kt,jt)       
3896 	rk_photo(jphoto_no3)    = ph_no3o(it,kt,jt)   &
3897                                 + ph_no3o2(it,kt,jt)     
3898 	rk_photo(jphoto_o3a)    = ph_o33p(it,kt,jt)      
3899 	rk_photo(jphoto_o3b)    = ph_o31d(it,kt,jt)      
3900 	rk_photo(jphoto_hono)   = ph_hno2(it,kt,jt)      
3901 	rk_photo(jphoto_hno3)   = ph_hno3(it,kt,jt)      
3902 	rk_photo(jphoto_hno4)   = ph_hno4(it,kt,jt)      
3903 	rk_photo(jphoto_h2o2)   = ph_h2o2(it,kt,jt)      
3904 	rk_photo(jphoto_ch3ooh) = ph_ch3o2h(it,kt,jt)    
3905 	rk_photo(jphoto_hchoa)  = ph_ch2or(it,kt,jt)     
3906 	rk_photo(jphoto_hchob)  = ph_ch2om(it,kt,jt)     
3907 	rk_photo(jphoto_n2o5)   = ph_n2o5(it,kt,jt)
3908 
3909 !   these scaled to other rate constants
3910 	rk_photo(jphoto_ethooh) = 0.7   *rk_photo(jphoto_h2o2)
3911 	rk_photo(jphoto_ald2)   = 4.6e-4*rk_photo(jphoto_no2)
3912 	rk_photo(jphoto_aone)   = 7.8e-5*rk_photo(jphoto_no2)
3913 	rk_photo(jphoto_mgly)   = 9.64  *rk_photo(jphoto_hchoa)
3914 	rk_photo(jphoto_open)   = 9.04  *rk_photo(jphoto_hchoa)
3915 	rk_photo(jphoto_rooh)   = 0.7   *rk_photo(jphoto_h2o2)
3916 	rk_photo(jphoto_onit)   = 1.0e-4*rk_photo(jphoto_no2)
3917 	rk_photo(jphoto_isoprd) = .025  *rk_photo(jphoto_hchob)
3918 
3919 !   convert from (1/min) to (1/s)
3920 !   (except when i_boxtest_units_convert = 10 or 20)
3921 	ft = 60.0
3922 	if (i_boxtest_units_convert .eq. 10) ft = 1.0
3923 	if (i_boxtest_units_convert .eq. 20) ft = 1.0
3924 	if (ft .ne. 1.0) then
3925 	    rk_photo(:) = rk_photo(:)/ft
3926 	end if
3927 
3928 
3929 	return
3930 	end subroutine gasphotoconstants  
3931 
3932 
3933 
3934 !-----------------------------------------------------------------------
3935 	end module module_cbmz