Newer
Older
!MNH_LIC Copyright 1994-2014 CNRS, Meteo-France and Universite Paul Sabatier
!MNH_LIC This is part of the Meso-NH software governed by the CeCILL-C licence
!MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
!MNH_LIC for details. version 1.
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
! ######################
MODULE MODI_CH_CONVECT_SCAVENGING
! ######################
!
INTERFACE
!
SUBROUTINE CH_CONVECT_SCAVENGING( KLON, KLEV, KCH, PCH1, PCH1C, &
KDPL, KPBL, KLCL, KCTL, KLFS, KDBL, &
PUMF, PUER, PUDR, PDMF, PDER, PDDR, &
PTIMEC, PDXDY, PMIXF, PLMASS, PWSUB,&
KFTSTEPS, &
PURC, PURR, PURI, PURS, PUTT, PPRESS,&
PRHODREF, PPABST, PTHT )
!
INTEGER, INTENT(IN) :: KLON ! horizontal dimension
INTEGER, INTENT(IN) :: KLEV ! vertical dimension
INTEGER, INTENT(IN) :: KCH ! number of passive tracers
!
REAL,DIMENSION(KLON,KLEV,KCH),INTENT(IN) :: PCH1 ! grid scale tracer concentr.
REAL,DIMENSION(KLON,KLEV,KCH),INTENT(OUT):: PCH1C! conv adjusted tracer concntr.
!
INTEGER, DIMENSION(KLON), INTENT(IN) :: KDPL ! index for departure level
INTEGER, DIMENSION(KLON), INTENT(IN) :: KPBL ! index for top of source layer
INTEGER, DIMENSION(KLON), INTENT(IN) :: KLCL ! index lifting condens. level
INTEGER, DIMENSION(KLON), INTENT(IN) :: KCTL ! index for cloud top level
INTEGER, DIMENSION(KLON), INTENT(IN) :: KLFS ! index for level of free sink
INTEGER, DIMENSION(KLON), INTENT(IN) :: KDBL ! index for downdraft base level
!
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PUMF ! updraft mass flux (kg/s)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PUER ! updraft entrainment (kg/s)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PUDR ! updraft detrainment (kg/s)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PDMF ! downdraft mass flux (kg/s)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PDER ! downdraft entrainment (kg/s)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PDDR ! downdraft detrainment (kg/s)
!
REAL, DIMENSION(KLON), INTENT(IN) :: PTIMEC! convection time step
REAL, DIMENSION(KLON), INTENT(IN) :: PDXDY ! grid area (m^2)
REAL, DIMENSION(KLON), INTENT(IN) :: PMIXF ! mixed fraction at LFS
REAL, DIMENSION(KLON,KLEV),INTENT(IN) :: PLMASS! mass of model layer (kg)
REAL, DIMENSION(KLON,KLEV),INTENT(IN) :: PWSUB ! envir. compensating subsidence(Pa/s)
INTEGER, INTENT(IN) :: KFTSTEPS ! maximum fractional time steps
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PURC ! microphysical
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PURR ! reservoirs in the
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PURI ! updraft
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PURS !
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PUTT ! updraft temperature (K)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PPRESS ! Pa
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PRHODREF ! air density
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PTHT ! potential temperature
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PPABST ! pressure
!
END SUBROUTINE CH_CONVECT_SCAVENGING
!
END INTERFACE
!
END MODULE MODI_CH_CONVECT_SCAVENGING
! #####
SUBROUTINE CH_CONVECT_SCAVENGING( KLON, KLEV, KCH, PCH1, PCH1C, &
KDPL, KPBL, KLCL, KCTL, KLFS, KDBL, &
PUMF, PUER, PUDR, PDMF, PDER, PDDR, &
PTIMEC, PDXDY, PMIXF, PLMASS, PWSUB,&
KFTSTEPS, &
PURC, PURR, PURI, PURS, PUTT, PPRESS,&
PRHODREF, PPABST, PTHT )
! #######################################################################
!
!!**** Compute modified soluble chemical tracer values due to convective
!! precipitations + transport
!!
!!
!! PURPOSE
!! -------
!! The purpose of this routine is to determine the final adjusted
!! environmental values of the chemical tracers
!! The final convective tendencies can then be evaluated in the main
!! routine DEEP_CONVECT by (PCH1C-PCH1)/PTIMEC
!!
!!
!!** METHOD
!! ------
!! Identical to the computation of the conservative variables in the
!! main deep convection code
!!
!! EXTERNAL
!! --------
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!! Module MODD_CST
!! XG ! gravity constant
!!
!! Module MODD_CONVPAREXT
!! JCVEXB, JCVEXT ! extra levels on the vertical boundaries
!!
!! AUTHOR
!! ------
!! C. MARI * Laboratoire d'Aerologie *
!!
!! MODIFICATIONS
!! -------------
!!
!! Original 10/04/2000
!! P. Tulet 25/04/2005 Aerosols/ Dust scavenging
!! J. Pianezze 23/06/2017 Add effic_salt
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
!!
!!
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_CST
USE MODD_PARAMETERS
USE MODD_CONVPAREXT
USE MODD_CH_M9_n
USE MODD_CH_CONST_n, ONLY : XSREALHENRYVAL
USE MODD_NSV, ONLY : NSV_CHEMBEG, NSV_CHEMEND, &
NSV_AERBEG, NSV_AEREND, &
NSV_DSTBEG, NSV_DSTEND, &
NSV_SLTBEG, NSV_SLTEND, &
NSV_DSTDEPBEG, NSV_DSTDEPEND
USE MODD_SALT
USE MODD_DUST
USE MODD_CH_AEROSOL
USE MODD_CSTS_SALT
USE MODD_CSTS_DUST
USE MODE_DUST_PSD
USE MODE_SALT_PSD
USE MODE_AERO_PSD
USE MODE_MODELN_HANDLER
USE MODI_EFFIC_DUST
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
USE MODI_EFFIC_AERO
!
IMPLICIT NONE
!
!* 0.1 Declarations of dummy arguments :
!
INTEGER, INTENT(IN) :: KLON ! horizontal dimension
INTEGER, INTENT(IN) :: KLEV ! vertical dimension
INTEGER, INTENT(IN) :: KCH ! number of passive tracers
!
REAL,DIMENSION(KLON,KLEV,KCH),INTENT(IN) :: PCH1 ! grid scale tracer concentr.
REAL,DIMENSION(KLON,KLEV,KCH),INTENT(OUT):: PCH1C! conv adjusted tracer concntr.
!
INTEGER, DIMENSION(KLON), INTENT(IN) :: KDPL ! index for departure level
INTEGER, DIMENSION(KLON), INTENT(IN) :: KPBL ! index for top of source layer
INTEGER, DIMENSION(KLON), INTENT(IN) :: KLCL ! index lifting condens. level
INTEGER, DIMENSION(KLON), INTENT(IN) :: KCTL ! index for cloud top level
INTEGER, DIMENSION(KLON), INTENT(IN) :: KLFS ! index for level of free sink
INTEGER, DIMENSION(KLON), INTENT(IN) :: KDBL ! index for downdraft base level
!
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PUMF ! updraft mass flux (kg/s)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PUER ! updraft entrainment (kg/s)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PUDR ! updraft detrainment (kg/s)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PDMF ! downdraft mass flux (kg/s)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PDER ! downdraft entrainment (kg/s)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PDDR ! downdraft detrainment (kg/s)
!
REAL, DIMENSION(KLON), INTENT(IN) :: PTIMEC! convection time step
REAL, DIMENSION(KLON), INTENT(IN) :: PDXDY ! grid area (m^2)
REAL, DIMENSION(KLON), INTENT(IN) :: PMIXF ! mixed fraction at LFS
REAL, DIMENSION(KLON,KLEV),INTENT(IN) :: PLMASS! mass of model layer (kg)
REAL, DIMENSION(KLON,KLEV),INTENT(IN) :: PWSUB ! envir. compensating subsidence(Pa/s)
INTEGER, INTENT(IN) :: KFTSTEPS ! maximum fractional time steps
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PURC ! microphysical
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PURR ! reservoirs in the
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PURI ! updraft
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PURS !
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PUTT ! updraft temperature (K)
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PPRESS ! Pa
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PRHODREF ! air density
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PTHT ! potential temperature
REAL, DIMENSION(KLON,KLEV), INTENT(IN) :: PPABST ! pressure
!
!* 0.2 Declarations of local variables :
!
INTEGER :: INCH1 ! number of chemical tracers
INTEGER :: IKB,IKE,II
INTEGER :: IKS ! vertical dimension
INTEGER :: JI ! horizontal loop index
INTEGER :: JK, JKP ! vertical loop index
INTEGER :: JN ! chemical tracer loop index
INTEGER :: IMODEIDX ! mode order index
INTEGER :: JSTEP ! fractional time loop index
INTEGER :: JKLC, JKLD, JKLP, JKMAX ! loop index for levels
INTEGER :: JKAQ
INTEGER :: IMI ! model index
REAL :: ZCONV
!
REAL, DIMENSION(KLON,KLEV) :: ZOMG ! compensat. subsidence (Pa/s)
REAL, DIMENSION(KLON,KLEV,KCH) :: ZUCH1, ZDCH1 ! updraft/downdraft values
REAL, DIMENSION(KLON) :: ZTIMEC ! fractional convective time step
REAL, DIMENSION(KLON,KLEV) :: ZTIMC! 2D work array for ZTIMEC
REAL, DIMENSION(KLON,KLEV,KCH) :: ZCH1MFIN, ZCH1MFOUT
! work arrays for environm. compensat. mass
REAL, DIMENSION(KLON,KCH) :: ZWORK1, ZWORK2, ZWORK3
!
! scavenging in updraft
!
REAL, DIMENSION(KLON,KLEV) :: ZT, ZLWCC, ZLWCI, ZKS1, ZKS2
REAL, DIMENSION(KLON,KLEV) :: ZKHDUST, ZKHCDUST
REAL, DIMENSION(KLON,KLEV) :: ZKHSALT, ZKHCSALT
REAL, DIMENSION(KLON,KLEV,KCH) :: ZKH, ZKHC, ZKHI
REAL, DIMENSION(KLON,KLEV,KCH) :: ZFACTOR
REAL, DIMENSION(KLON,KLEV) :: ZPROS,ZPROR
REAL, DIMENSION(KLON,KLEV,KCH) :: ZPARTSCAV, ZRIM
REAL, DIMENSION(KLON,KLEV) :: ZPARTAERO
REAL :: ZHP
REAL, DIMENSION(KLON,1,KLEV,JPMODE) :: ZRGAER,ZSIGAER, ZNAER, ZBCMIN
REAL, DIMENSION(KLON,1,KLEV,NMODE_DST) :: ZEFFIC_DST
REAL, DIMENSION(KLON,1,KLEV,NMODE_SLT) :: ZEFFIC_SLT
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
REAL, DIMENSION(KLON,1,KLEV,JPMODE) :: ZEFFIC_AER
REAL, DIMENSION(KLON,1,KLEV,NMODE_DST) :: ZRGDST,ZSIGDST,ZNDST, ZMINMASS_DST,ZRGDSTMIN
REAL, DIMENSION(KLON,1,KLEV,NMODE_SLT) :: ZRGSLT,ZSIGSLT,ZNSLT, ZMINMASS_SLT,ZRGSLTMIN
REAL, DIMENSION(NMODE_DST) :: ZMIN_DST
REAL, DIMENSION(NMODE_SLT) :: ZMIN_SLT
REAL, DIMENSION(KLON,1,KLEV,KCH) :: ZSV, ZSVC, ZCH1
REAL, DIMENSION(KLON,1,KLEV) :: ZRHODREF, ZPABST, ZTHT, ZURR
REAL, DIMENSION(NMODE_DST) :: ZINIRADIUS_DST
REAL, DIMENSION(NMODE_SLT) :: ZINIRADIUS_SLT
REAL :: ZRHOP, ZFAC, ZMI,ZSOL, ZINIRADIUSI, ZINIRADIUSJ
LOGICAL, SAVE :: GCHFIRSTCALL = .TRUE.
!
!-------------------------------------------------------------------------------
!
!* 0.1 Compute loop bounds
! -------------------
!
INCH1 = KCH
IKB = 1 + JCVEXB
IKS = KLEV
IKE = KLEV - JCVEXT
JKMAX = MAXVAL( KCTL(:) )
IMI = GET_CURRENT_MODEL_INDEX()
!
!
!* 0.2 Initialisation
! --------------
ZKH(:,:,:) = 0.
ZKHDUST(:,:) = 0.
ZKHSALT(:,:) = 0.
ZKHI(:,:,:) = 0.
ZKHC(:,:,:) = 0.
ZKHCDUST(:,:) = 0.
ZKHCSALT(:,:) = 0.
ZPARTSCAV(:,:,:) = 0.
ZFACTOR(:,:,:) = 0.
ZPROS(:,:) = 0.
ZPROR(:,:) = 0.
ZKS2(:,:) = 0.
ZKS1(:,:) = 0.
!
!* 1. Fraction of tracer present in the liquid/ice cloud condensate
! --------------------------------------------------------------
!
! 1.1 Total liquid water content m3/m3
! --------------------------------
!
ZLWCC(:,:) = 0.
ZLWCI(:,:) = 0.
WHERE ((PURC(:,:)+PURR(:,:)).NE.0.) &
ZLWCC(:,:) = (PURC(:,:)+PURR(:,:))*PRHODREF(:,:)/XRHOLW
! bulk density for ice varies widely from 0.3 to 0.92 g/cm3
WHERE ((PURI(:,:)+PURS(:,:)).NE.0.) &
ZLWCI(:,:) = (PURI(:,:)+PURS(:,:))*PRHODREF(:,:)/910.
!
ZT(:,:) = PUTT(:,:)
ZHP = 1.E-5
ZSOL = 3.E-1 !Solubility factor of aerosols
! Percent aerosol residing in cloud water
!Set to 30% currently in agreement with NCAR CAM Model
!
!* 1.2 Fraction of tracer present in the liquid cloud condensate
! ---------------------------------------------------------
DO JKAQ = NSV_CHEMBEG, NSV_CHEMEND
WHERE (ZT(:,:).GT.0.)
ZKS1(:,:) = 1.7E-2 * EXP(-2090.*((1./ZT(:,:))-(1./298.)))
ZKS2(:,:) = 6.3E-8 * EXP(-1495.*((1./ZT(:,:))-(1./298.)))
ZKH(:,:,JKAQ) = XSREALHENRYVAL(JKAQ-NSV_CHEMBEG+1,1)* &
EXP(-XSREALHENRYVAL(JKAQ-NSV_CHEMBEG+1,2)*((1./ZT(:,:))-(1./298.)))
ENDWHERE
ENDDO
!
DO JKAQ = NSV_CHEMBEG, NSV_CHEMEND
IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='N2O5') THEN
WHERE (ZT(:,:).GT.0.)
ZKH(:,:,JKAQ) = 2.00E+0*EXP(3400.*((1./ZT(:,:))-(1./298.)))*1.E20
END WHERE
IF (GCHFIRSTCALL) THEN
WRITE(*,*)'In CH_CONVECT_SCAVENGING: special treatment for',CNAMES(JKAQ-NSV_CHEMBEG+1)
ENDIF
!
ELSE IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='HONO' .OR. CNAMES(JKAQ-NSV_CHEMBEG+1)=='HNO2') THEN
WHERE (ZT(:,:).GT.0.)
ZKH(:,:,JKAQ) = 5.00E+1*EXP(4900.*((1./ZT(:,:))-(1./298.)))* &
5.10E-4*EXP(1250.*((1./ZT(:,:))-(1./298.)))/ZHP
END WHERE
IF (GCHFIRSTCALL) THEN
WRITE(*,*)'In CH_CONVECT_SCAVENGING: special treatment for',CNAMES(JKAQ-NSV_CHEMBEG+1)
ENDIF
ELSE IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='HNO3') THEN
WHERE (ZT(:,:).GT.0.)
ZKH(:,:,JKAQ) = 2.10E+5*EXP(8700.*((1./ZT(:,:))-(1./298.)))*15.4/ZHP
END WHERE
IF (GCHFIRSTCALL) THEN
WRITE(*,*)'In CH_CONVECT_SCAVENGING: special treatment for',CNAMES(JKAQ-NSV_CHEMBEG+1)
ENDIF
ELSE IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='SO2') THEN
WHERE (ZT(:,:).GT.0.)
ZKH(:,:,JKAQ) = 1.4*EXP(2900.*((1./ZT(:,:))-(1./298.))) * &
( 1.+(ZKS1(:,:)/ZHP)+(ZKS1(:,:)*ZKS2(:,:)/ZHP/ZHP))
END WHERE
IF (GCHFIRSTCALL) THEN
WRITE(*,*)'In CH_CONVECT_SCAVENGING: special treatment for',CNAMES(JKAQ-NSV_CHEMBEG+1)
ENDIF
ELSE IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='HO2') THEN
WHERE (ZT(:,:).GT.0.)
ZKH(:,:,JKAQ) = 4.00E+3*EXP(5900.*((1./ZT(:,:))-(1./298.)))*2.5E-5/ZHP
END WHERE
IF (GCHFIRSTCALL) THEN
WRITE(*,*)'In CH_CONVECT_SCAVENGING: special treatment for',CNAMES(JKAQ-NSV_CHEMBEG+1)
ENDIF
ELSE IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='ORA2') THEN
WHERE (ZT(:,:).GT.0.)
ZKH(:,:,JKAQ) = 8.80E+3*EXP(6400.*((1./ZT(:,:))-(1./298.)))* &
1.70E-5*EXP(50.*((1./ZT(:,:))-(1./298.)))/ZHP
END WHERE
IF (GCHFIRSTCALL) THEN
WRITE(*,*)'In CH_CONVECT_SCAVENGING: special treatment for',CNAMES(JKAQ-NSV_CHEMBEG+1)
ENDIF
ENDIF
!
ENDDO
!
GCHFIRSTCALL = .FALSE.
!
! Convert KH from mol/l/atm in ppp/ppp
! ------------------------------------
DO JKAQ = NSV_CHEMBEG, NSV_CHEMEND
ZKHC(:,:,JKAQ) = ZKH(:,:,JKAQ)*0.08205*ZT(:,:)*ZLWCC(:,:)
ENDDO
!
!* 1.3 Fraction of tracer present in the ice cloud condensate
! ---------------------------------------------------------
!
DO JKAQ = NSV_CHEMBEG, NSV_CHEMEND
!
IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='HNO3') THEN
WHERE (ZT(:,:).GT.0.)
ZKHI(:,:,JKAQ) = 1.E9
ENDWHERE
ENDIF
IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='H2O2') THEN
! Co-Condensation
WHERE (ZT(:,:).GT.0.)
ZKHI(:,:,JKAQ) = (0.2/1.0)*SQRT(18./34.)*PPRESS(:,:)/ &
(611.0 * EXP(6138.*((1./273.)-(1./ZT(:,:))))) &
* 34./18. / (34./29.) * PURI(:,:)
ENDWHERE
ENDIF
ENDDO
!
!
! Convert KHI from cm3(air)/cm3(ice) in ppp/ppp
! ---------------------------------------------
DO JKAQ = NSV_CHEMBEG, NSV_CHEMEND
IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='HNO3') THEN
WHERE (ZLWCI(:,:).NE.0.)
ZKHI(:,:,JKAQ) = ZKHI(:,:,JKAQ) * ZLWCI(:,:)
ELSEWHERE
ZKHI(:,:,JKAQ) = 0.
ENDWHERE
ENDIF
ENDDO
!
!* 1.4 Retention efficiency (R<1 => volatilization during riming
! in mixed clouds
! ----------------------------------------------------------
ZRIM(:,:,:)=1.
!
DO JKAQ = NSV_CHEMBEG, NSV_CHEMEND
!
IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='OP1' .OR. CNAMES(JKAQ-NSV_CHEMBEG+1)=='CH3OOH') THEN
WHERE ((PURI(:,:) /=0.).AND.(PURC(:,:) /=0.))
ZRIM(:,:,JKAQ) =0.02
ENDWHERE
ENDIF
IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='HCHO' .OR. CNAMES(JKAQ-NSV_CHEMBEG+1)=='CH2O') THEN
WHERE ((PURI(:,:) /=0.).AND.(PURC(:,:) /=0.))
ZRIM(:,:,JKAQ)=0.02
ENDWHERE
ENDIF
IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='H2O2') THEN
WHERE ((PURI(:,:) /=0.).AND.(PURC(:,:) /=0.))
ZRIM(:,:,JKAQ)=0.05
ENDWHERE
ENDIF
IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='HNO3') THEN
WHERE ((PURI(:,:) /=0.).AND.(PURC(:,:) /=0.))
ZRIM(:,:,JKAQ)=1.00
ENDWHERE
ENDIF
!
ENDDO
!
!* 1.5 Calculate partitioning factor
! -----------------------------
!
WHERE (PURC(:,:)+PURR(:,:) /= 0.)
ZPROR(:,:) = PURR(:,:) / ( PURC(:,:)+PURR(:,:) )
ENDWHERE
!
WHERE (PURI(:,:)+PURS(:,:) /= 0.)
ZPROS(:,:) = PURS(:,:) / ( PURI(:,:)+PURS(:,:) )
ENDWHERE
!
DO JKAQ = NSV_CHEMBEG, NSV_CHEMEND
!
ZFACTOR(:,:,JKAQ) = ( 1. + ZKHC(:,:,JKAQ) + ZKHI(:,:,JKAQ) )
ZPARTSCAV(:,:,JKAQ) = &
(ZPROR(:,:) * ZKHC(:,:,JKAQ) * ZRIM(:,:,JKAQ) + &
ZPROS(:,:) * ZKHI(:,:,JKAQ)) / &
ZFACTOR(:,:,JKAQ)
IF (CNAMES(JKAQ-NSV_CHEMBEG+1)=='HNO3') THEN
ZPARTAERO(:,:) = (ZPROR(:,:) * ZKHC(:,:,JKAQ) ) / ( 1. + ZKHC(:,:,JKAQ) )
END IF
!
ENDDO
!
IF (LORILAM) THEN
ZTHT(:,1,:) = PTHT(:,:)
ZRHODREF(:,1,:) = PRHODREF(:,:)
ZPABST(:,1,:) = PPABST(:,:)
ZURR(:,1,:) = PURR(:,:)
ZCH1(:,1,:,:) = PCH1(:,:,:)
ZEFFIC_AER(:,:,:,:) = 0.
CALL EFFIC_AERO(ZTHT,ZRHODREF,ZPABST,&
ZURR,ZCH1(:,:,:,NSV_AERBEG:NSV_AEREND), ZEFFIC_AER)
ZEFFIC_AER(:,:,:,:) = MAX(MIN(ZEFFIC_AER(:,:,:,:), 1.),0.)
!
DO JKAQ = NSV_AERBEG,NSV_AERBEG-1+(NSP+NCARB+NSOA)*2-1,2
ZPARTSCAV(:,:,JKAQ) = ZPROR(:,:) * ZEFFIC_AER(:,1,:,1)
ENDDO
!
DO JKAQ = NSV_AERBEG+1,NSV_AERBEG-1+(NSP+NCARB+NSOA)*2,2
ZPARTSCAV(:,:,JKAQ) = ZPROR(:,:) * ZEFFIC_AER(:,1,:,2)
ENDDO
END IF
!
IF (LDUST) THEN
ZTHT(:,1,:) = PTHT(:,:)
ZRHODREF(:,1,:) = PRHODREF(:,:)
ZPABST(:,1,:) = PPABST(:,:)
ZURR(:,1,:) = PURR(:,:)
ZCH1(:,1,:,:) = PCH1(:,:,:)
ZEFFIC_DST(:,:,:,:) = 0.
CALL EFFIC_DUST(ZTHT,ZRHODREF,ZPABST,&
ZURR,ZCH1(:,:,:,NSV_DSTBEG:NSV_DSTEND), ZEFFIC_DST)
ZEFFIC_DST(:,:,:,:) = MAX(MIN(ZEFFIC_DST(:,:,:,:), 1.),0.)
DO JN=1,NMODE_DST
IF (LVARSIG) THEN
ZPARTSCAV(:,:,NSV_DSTBEG-1+2+(JN-1)*3) = (ZPROR(:,:) * ZEFFIC_DST(:,1,:,JN))
ELSE IF (LRGFIX_DST) THEN
ZPARTSCAV(:,:,NSV_DSTBEG+JN-1) = (ZPROR(:,:) * ZEFFIC_DST(:,1,:,JN))
ELSE
ZPARTSCAV(:,:,NSV_DSTBEG-1+2+(JN-1)*2) = (ZPROR(:,:) * ZEFFIC_DST(:,1,:,JN))
END IF
ENDDO
END IF
!
IF (LSALT) THEN
! We use EFFIC_DUST for SALT because the code is similar for dusts and salts
ZTHT(:,1,:) = PTHT(:,:)
ZRHODREF(:,1,:) = PRHODREF(:,:)
ZPABST(:,1,:) = PPABST(:,:)
ZURR(:,1,:) = PURR(:,:)
ZCH1(:,1,:,:) = PCH1(:,:,:)
ZEFFIC_SLT(:,:,:,:) = 0.
CALL EFFIC_SALT(ZTHT,ZRHODREF,ZPABST,&
ZURR,ZCH1(:,:,:,NSV_SLTBEG:NSV_SLTEND), ZEFFIC_SLT)
ZEFFIC_SLT(:,:,:,:) = MAX(MIN(ZEFFIC_SLT(:,:,:,:), 1.),0.)
DO JN=1,NMODE_SLT
IF (LVARSIG_SLT) THEN
ZPARTSCAV(:,:,NSV_SLTBEG-1+2+(JN-1)*3) = (ZPROR(:,:) * ZEFFIC_SLT(:,1,:,JN))
ZPARTSCAV(:,:,NSV_SLTBEG+JN-1) = (ZPROR(:,:) * ZEFFIC_SLT(:,1,:,JN))
ZPARTSCAV(:,:,NSV_SLTBEG-1+2+(JN-1)*2) = (ZPROR(:,:) * ZEFFIC_SLT(:,1,:,JN))
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
END IF
ENDDO
END IF
!
!
!* 2. Updraft computations
! --------------------
!
ZUCH1(:,:,:) = 0.
!
!* 2.1 Initialization at LCL
! ----------------------------------
!
DO JI = 1, KLON
JKLC = KLCL(JI)
JKLD = KDPL(JI)
JKLP = KPBL(JI)
ZWORK1(JI,:) = .5 * ( PCH1(JI,JKLD,:) + PCH1(JI,JKLP,:) )
END DO
!
!* 2.2 Final updraft loop
! ------------------
!
DO JK = MINVAL( KDPL(:) ), JKMAX
JKP = JK + 1
DO JN = 1, INCH1
DO JI = 1, KLON
IF ( KDPL(JI) <= JK .AND. KLCL(JI) > JK ) &
ZUCH1(JI,JK,JN) = ZWORK1(JI,JN)
IF ( KLCL(JI) - 1 <= JK .AND. KCTL(JI) > JK ) THEN
ZUCH1(JI,JKP,JN) = ( PUMF(JI,JK) * ZUCH1(JI,JK,JN) + &
PUER(JI,JKP) * PCH1(JI,JK,JN) ) / &
((1. + ZPARTSCAV(JI,JKP,JN)) * PUMF(JI,JKP) + PUDR(JI,JKP) )
END IF
END DO
END DO
END DO
!
!* 3. Downdraft computations
! ----------------------
!
ZDCH1(:,:,:) = 0.
!
!* 3.1 Initialization at the LFS
! -------------------------
!
ZWORK1(:,:) = SPREAD( PMIXF(:), DIM=2, NCOPIES=INCH1 )
DO JI = 1, KLON
JK = KLFS(JI)
ZDCH1(JI,JK,:) = ZWORK1(JI,:) * PCH1(JI,JK,:) + &
( 1. - ZWORK1(JI,:) ) * ZUCH1(JI,JK,:)
END DO
!
!* 3.2 Final downdraft loop
! --------------------
!
DO JK = MAXVAL( KLFS(:) ), IKB + 1, -1
JKP = JK - 1
DO JN = 1, INCH1
DO JI = 1, KLON
IF ( JK <= KLFS(JI) .AND. JKP >= KDBL(JI) ) THEN
ZDCH1(JI,JKP,JN) = ( ZDCH1(JI,JK,JN) * PDMF(JI,JK) - &
PCH1(JI,JK,JN) * PDER(JI,JKP) ) / &
( PDMF(JI,JKP) - PDDR(JI,JKP) - 1.E-7 )
END IF
END DO
END DO
END DO
!
!
!* 4. Final closure (environmental) computations
! ------------------------------------------
!
PCH1C(:,:,:) = PCH1(:,:,:) ! initialize adjusted envir. values
!
DO JK = IKB, IKE
ZOMG(:,JK) = PWSUB(:,JK) * PDXDY(:) / XG ! environmental subsidence
END DO
!
ZTIMEC(:) = PTIMEC(:) / REAL( KFTSTEPS ) ! adjust fractional time step
! to be an integer multiple of PTIMEC
WHERE ( PTIMEC(:) < 1. ) ZTIMEC(:) = 0.
ZTIMC(:,:)= SPREAD( ZTIMEC(:), DIM=2, NCOPIES=IKS )
!
ZCH1MFIN(:,:,:) = 0.
ZCH1MFOUT(:,:,:) = 0.
!
DO JSTEP = 1, KFTSTEPS ! Enter the fractional time step loop
!
DO JK = IKB + 1, JKMAX
JKP = MAX( IKB + 1, JK - 1 )
ZWORK3(:,:) = SPREAD( ZOMG(:,JK), DIM=2, NCOPIES=INCH1 )
ZWORK1(:,:) = SIGN( 1., ZWORK3(:,:) )
ZWORK2(:,:) = 0.5 * ( 1. + ZWORK1(:,:) )
ZWORK1(:,:) = 0.5 * ( 1. - ZWORK1(:,:) )
ZCH1MFIN(:,JK,:) = - ZWORK3(:,:) * PCH1C(:,JKP,:) * ZWORK1(:,:)
ZCH1MFOUT(:,JK,:) = ZWORK3(:,:) * PCH1C(:,JK,:) * ZWORK2(:,:)
ZCH1MFIN(:,JKP,:) = ZCH1MFIN(:,JKP,:) + ZCH1MFOUT(:,JK,:) * ZWORK2(:,:)
ZCH1MFOUT(:,JKP,:)= ZCH1MFOUT(:,JKP,:) + ZCH1MFIN(:,JK,:) * ZWORK1(:,:)
END DO
!
DO JN = 1, INCH1
DO JK = IKB + 1, JKMAX
PCH1C(:,JK,JN) = PCH1C(:,JK,JN) + ZTIMC(:,JK) / PLMASS(:,JK) * ( &
ZCH1MFIN(:,JK,JN) + PUDR(:,JK) * ZUCH1(:,JK,JN) + &
PDDR(:,JK) * ZDCH1(:,JK,JN) - ZCH1MFOUT(:,JK,JN) - &
( PUER(:,JK) + PDER(:,JK) ) * PCH1(:,JK,JN) )
PCH1C(:,JK,JN) = MAX( 0., PCH1C(:,JK,JN) )
END DO
END DO
!
END DO ! Exit the fractional time step loop
IF (LORILAM) THEN ! ORILAM chemical aerosol scavenging
ZSV(:,1,:,NSV_AERBEG:NSV_AEREND) = PCH1(:,:,NSV_AERBEG:NSV_AEREND)
ZSVC(:,1,:,NSV_AERBEG:NSV_AEREND) = PCH1C(:,:,NSV_AERBEG:NSV_AEREND)
ZRHODREF(:,1,:) = PRHODREF(:,:)
IF (CRGUNIT=="MASS") THEN
ZINIRADIUSI = XINIRADIUSI * EXP(-3.*(LOG(XINISIGI))**2)
ZINIRADIUSJ = XINIRADIUSJ * EXP(-3.*(LOG(XINISIGJ))**2)
ELSE
ZINIRADIUSI = XINIRADIUSI
ZINIRADIUSJ = XINIRADIUSJ
END IF
ZSIGAER(:,:,:,1) = XINISIGI
ZSIGAER(:,:,:,2) = XINISIGJ
ZRGAER(:,:,:,1) = ZINIRADIUSI
ZRGAER(:,:,:,2) = ZINIRADIUSJ
! Compute RG and SIGMA with old concentration PCH1
CALL PPP2AERO(ZSV(:,:,IKB:IKE,NSV_AERBEG:NSV_AEREND),&
ZRHODREF(:,:,IKB:IKE), PSIG3D=ZSIGAER(:,:,IKB:IKE,:),&
PRG3D=ZRGAER(:,:,IKB:IKE,:),PN3D=ZNAER(:,:,IKB:IKE,:))
CALL AERO2PPP(ZSVC(:,:,:,NSV_AERBEG:NSV_AEREND), &
ZRHODREF(:,:,:), ZSIGAER(:,:,:,:),&
ZRGAER(:,:,:,:))
PCH1C(:,:,NSV_AERBEG:NSV_AEREND) = ZSVC(:,1,:,NSV_AERBEG:NSV_AEREND)
END IF
!
! Dust scavenging
IF (LDUST) THEN
ZRHODREF(:,1,:) = PRHODREF(:,:)
ZSV(:,1,:,NSV_DSTBEG:NSV_DSTEND) = PCH1(:,:,NSV_DSTBEG:NSV_DSTEND)
ZSVC(:,1,:,NSV_DSTBEG:NSV_DSTEND) = PCH1C(:,:,NSV_DSTBEG:NSV_DSTEND)
! Compute RG and SIGMA with old concentration PCH1
CALL PPP2DUST(ZSV(:,:,IKB:IKE,NSV_DSTBEG:NSV_DSTEND), ZRHODREF(:,:,IKB:IKE),&
PSIG3D=ZSIGDST(:,:,IKB:IKE,:), PRG3D=ZRGDST(:,:,IKB:IKE,:), &
PN3D=ZNDST(:,:,IKB:IKE,:))
CALL DUST2PPP(ZSVC(:,:,IKB:IKE,NSV_DSTBEG:NSV_DSTEND), &
ZRHODREF(:,:,IKB:IKE), ZSIGDST(:,:,IKB:IKE,:),&
ZRGDST(:,:,IKB:IKE,:))
PCH1C(:,IKB:IKE,NSV_DSTBEG:NSV_DSTEND) = ZSVC(:,1,IKB:IKE,NSV_DSTBEG:NSV_DSTEND)
END IF
!
! Sea Salt scavenging
IF (LSALT) THEN
ZRHODREF(:,1,:) = PRHODREF(:,:)
ZSV(:,1,:,NSV_SLTBEG:NSV_SLTEND) = PCH1(:,:,NSV_SLTBEG:NSV_SLTEND)
ZSVC(:,1,:,NSV_SLTBEG:NSV_SLTEND) = ZSV(:,1,:,NSV_SLTBEG:NSV_SLTEND)
! Compute RG and SIGMA with old concentration PCH1
CALL PPP2SALT(ZSV(:,:,IKB:IKE,NSV_SLTBEG:NSV_SLTEND), ZRHODREF(:,:,IKB:IKE),&
PSIG3D=ZSIGSLT(:,:,IKB:IKE,:), PRG3D=ZRGSLT(:,:,IKB:IKE,:), &
PN3D=ZNSLT(:,:,IKB:IKE,:))
CALL SALT2PPP(ZSVC(:,:,IKB:IKE,NSV_SLTBEG:NSV_SLTEND), &
ZRHODREF(:,:,IKB:IKE), ZSIGSLT(:,:,IKB:IKE,:),&
ZRGSLT(:,:,IKB:IKE,:))
PCH1C(:,IKB:IKE,NSV_SLTBEG:NSV_SLTEND) = ZSVC(:,1,IKB:IKE,NSV_SLTBEG:NSV_SLTEND)
END IF
!
!
END SUBROUTINE CH_CONVECT_SCAVENGING