module_fdda_psufddagd.F
References to this file elsewhere.
1 !wrf:model_layer:physics
2 !
3 !
4 !
5 MODULE module_fdda_psufddagd
6
7 USE module_dm
8
9 CONTAINS
10 !
11 !-------------------------------------------------------------------
12 !
13 SUBROUTINE fddagd(itimestep,dt,xtime,id,analysis_interval, end_fdda_hour, &
14 if_no_pbl_nudging_uv, if_no_pbl_nudging_t, if_no_pbl_nudging_q, &
15 if_zfac_uv, k_zfac_uv, if_zfac_t, k_zfac_t, if_zfac_q, k_zfac_q, &
16 guv, gt, gq, if_ramping, dtramp_min, &
17 u3d,v3d,th3d,t3d, &
18 qv3d, &
19 p3d,pi3d, &
20 u_ndg_old,v_ndg_old,t_ndg_old,q_ndg_old,mu_ndg_old, &
21 u_ndg_new,v_ndg_new,t_ndg_new,q_ndg_new,mu_ndg_new, &
22 RUNDGDTEN,RVNDGDTEN,RTHNDGDTEN,RQVNDGDTEN,RMUNDGDTEN,&
23 pblh, ht, z, z_at_w, &
24 ids,ide, jds,jde, kds,kde, &
25 ims,ime, jms,jme, kms,kme, &
26 its,ite, jts,jte, kts,kte )
27
28 !-------------------------------------------------------------------
29 implicit none
30 !-------------------------------------------------------------------
31 !-- u3d 3d u-velocity staggered on u points
32 !-- v3d 3d v-velocity staggered on v points
33 !-- th3d 3d potential temperature (k)
34 !-- t3d temperature (k)
35 !-- qv3d 3d water vapor mixing ratio (kg/kg)
36 !-- p3d 3d pressure (pa)
37 !-- pi3d 3d exner function (dimensionless)
38 !-- rundgdten staggered u tendency due to
39 ! fdda grid nudging (m/s/s)
40 !-- rvndgdten staggered v tendency due to
41 ! fdda grid nudging (m/s/s)
42 !-- rthndgdten theta tendency due to
43 ! fdda grid nudging (K/s)
44 !-- rqvndgdten qv tendency due to
45 ! fdda grid nudging (kg/kg/s)
46 !-- rmundgdten mu tendency due to
47 ! fdda grid nudging (Pa/s)
48 !-- ids start index for i in domain
49 !-- ide end index for i in domain
50 !-- jds start index for j in domain
51 !-- jde end index for j in domain
52 !-- kds start index for k in domain
53 !-- kde end index for k in domain
54 !-- ims start index for i in memory
55 !-- ime end index for i in memory
56 !-- jms start index for j in memory
57 !-- jme end index for j in memory
58 !-- kms start index for k in memory
59 !-- kme end index for k in memory
60 !-- its start index for i in tile
61 !-- ite end index for i in tile
62 !-- jts start index for j in tile
63 !-- jte end index for j in tile
64 !-- kts start index for k in tile
65 !-- kte end index for k in tile
66 !-------------------------------------------------------------------
67 !
68 INTEGER, INTENT(IN) :: itimestep, analysis_interval, end_fdda_hour
69
70 INTEGER, INTENT(IN) :: if_no_pbl_nudging_uv, if_no_pbl_nudging_t, &
71 if_no_pbl_nudging_q
72 INTEGER, INTENT(IN) :: if_zfac_uv, if_zfac_t, if_zfac_q
73 INTEGER, INTENT(IN) :: k_zfac_uv, k_zfac_t, k_zfac_q
74 INTEGER, INTENT(IN) :: if_ramping
75
76 INTEGER , INTENT(IN) :: id
77 REAL, INTENT(IN) :: DT, xtime, dtramp_min
78
79 INTEGER, INTENT(IN) :: ids,ide, jds,jde, kds,kde, &
80 ims,ime, jms,jme, kms,kme, &
81 its,ite, jts,jte, kts,kte
82
83 REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), &
84 INTENT(IN) :: qv3d, &
85 p3d, &
86 pi3d, &
87 th3d, &
88 t3d, &
89 z, &
90 z_at_w
91
92 REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), &
93 INTENT(INOUT) :: rundgdten, &
94 rvndgdten, &
95 rthndgdten, &
96 rqvndgdten
97
98 REAL, DIMENSION( ims:ime, jms:jme ), &
99 INTENT(INOUT) :: rmundgdten
100
101 REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), &
102 INTENT(INOUT) :: u_ndg_old, &
103 v_ndg_old, &
104 t_ndg_old, &
105 q_ndg_old, &
106 u_ndg_new, &
107 v_ndg_new, &
108 t_ndg_new, &
109 q_ndg_new
110
111 REAL, DIMENSION( ims:ime, jms:jme ), &
112 INTENT(INOUT) :: mu_ndg_old, &
113 mu_ndg_new
114
115 REAL, DIMENSION( ims:ime, kms:kme, jms:jme ), &
116 INTENT(IN) :: u3d, &
117 v3d
118
119 REAL, DIMENSION( ims:ime, jms:jme ), INTENT(IN) :: pblh, &
120 ht
121
122 REAL, INTENT(IN) :: guv, gt, gq
123
124 INTEGER :: i, j, k, itsu, jtsv, itf, jtf, ktf, i0, k0, j0
125 REAL :: xtime_old, xtime_new, coef, val_analysis
126 INTEGER :: kpbl, dbg_level
127
128 REAL :: zpbl, zagl, zagl_bot, zagl_top, tfac, actual_end_fdda_min
129 REAL, DIMENSION( its:ite, kts:kte, jts:jte, 4 ) :: wpbl ! 1: u, 2: v, 3: t, 4: q
130 REAL, DIMENSION( kts:kte, 4 ) :: wzfac ! 1: u, 2: v, 3: t, 4: q
131
132 LOGICAL , EXTERNAL :: wrf_dm_on_monitor
133
134 CHARACTER (LEN=256) :: message
135
136 xtime_old = FLOOR(xtime/analysis_interval) * analysis_interval * 1.0
137 xtime_new = xtime_old + analysis_interval
138 coef = (xtime-xtime_old)/(xtime_new-xtime_old)
139
140
141 IF ( wrf_dm_on_monitor()) THEN
142
143 CALL get_wrf_debug_level( dbg_level )
144
145 IF( xtime-xtime_old < 0.5*dt/60.0 ) THEN
146
147 IF( xtime < end_fdda_hour*60.0 ) THEN
148 WRITE(message,'(a,i1,a,f10.3,a)') &
149 'D0',id,' Analysis nudging read in new data at time = ', xtime, ' min.'
150 CALL wrf_message( TRIM(message) )
151 WRITE(message,'(a,i1,a,2f8.2,a)') &
152 'D0',id,' Analysis nudging bracketing times = ', xtime_old, xtime_new, ' min.'
153 CALL wrf_message( TRIM(message) )
154 ENDIF
155
156 actual_end_fdda_min = end_fdda_hour*60.0
157 IF( if_ramping == 1 .AND. dtramp_min > 0.0 ) &
158 actual_end_fdda_min = end_fdda_hour*60.0 + ABS(dtramp_min)
159
160 IF( dbg_level .GE. 10 .AND. xtime <= actual_end_fdda_min ) THEN
161 ! Find the mid point of the tile and print out the sample values
162 i0 = (ite-its)/2+its
163 j0 = (jte-jts)/2+jts
164
165 IF( guv > 0.0 ) THEN
166 DO k = kts, kte
167 WRITE(message,'(a,i1,a,3i4,a,f10.4,a,f10.4)') &
168 ' D0',id,' sample analysis values at i,k,j=', i0, k, j0, &
169 ' u_ndg_old=', u_ndg_old(i0,k,j0), ' u_ndg_new=', u_ndg_new(i0,k,j0)
170 CALL wrf_message( TRIM(message) )
171 ENDDO
172 DO k = kts, kte
173 WRITE(message,'(a,i1,a,3i4,a,f10.4,a,f10.4)') &
174 ' D0',id,' sample analysis values at i,k,j=', i0, k, j0, &
175 ' v_ndg_old=', v_ndg_old(i0,k,j0), ' v_ndg_new=', v_ndg_new(i0,k,j0)
176 CALL wrf_message( TRIM(message) )
177 ENDDO
178 ENDIF
179
180 IF( gt > 0.0 ) THEN
181 DO k = kts, kte
182 WRITE(message,'(a,i1,a,3i4,a,f10.4,a,f10.4)') &
183 ' D0',id,' sample analysis values at i,k,j=', i0, k, j0, &
184 ' t_ndg_old=', t_ndg_old(i0,k,j0), ' t_ndg_new=', t_ndg_new(i0,k,j0)
185 CALL wrf_message( TRIM(message) )
186 ENDDO
187 ENDIF
188
189 IF( gq > 0.0 ) THEN
190 DO k = kts, kte
191 WRITE(message,'(a,i1,a,3i4,a,f10.4,a,f10.4)') &
192 ' D0',id,' sample analysis values at i,k,j=', i0, k, j0, &
193 ' q_ndg_old=', q_ndg_old(i0,k,j0), ' q_ndg_new=', q_ndg_new(i0,k,j0)
194 CALL wrf_message( TRIM(message) )
195 ENDDO
196 ENDIF
197
198 ENDIF
199 ENDIF
200 ENDIF
201
202 jtsv=MAX0(jts,jds+1)
203 itsu=MAX0(its,ids+1)
204
205 jtf=MIN0(jte,jde-1)
206 ktf=MIN0(kte,kde-1)
207 itf=MIN0(ite,ide-1)
208 !
209 ! If the user-defined namelist switches (if_no_pbl_nudging_uv, if_no_pbl_nudging_t,
210 ! if_no_pbl_nudging_q swithes) are set to 1, compute the weighting function, wpbl(:,k,:,:),
211 ! based on the PBL depth. wpbl = 1 above the PBL and wpbl = 0 in the PBL. If all
212 ! the switche are set to zero, wpbl = 1 (default value).
213 !
214 wpbl(:,:,:,:) = 1.0
215
216 IF( if_no_pbl_nudging_uv == 1 ) THEN
217
218 DO j=jts,jtf
219 DO i=itsu,itf
220
221 kpbl = 1
222 zpbl = 0.5 * ( pblh(i-1,j) + pblh(i,j) )
223
224 loop_ku: DO k=kts,ktf
225 zagl = 0.5 * ( z(i-1,k,j)-ht(i-1,j) + z(i,k,j)-ht(i,j) )
226 zagl_bot = 0.5 * ( z_at_w(i-1,k, j)-ht(i-1,j) + z_at_w(i,k, j)-ht(i,j) )
227 zagl_top = 0.5 * ( z_at_w(i-1,k+1,j)-ht(i-1,j) + z_at_w(i,k+1,j)-ht(i,j) )
228 IF( zpbl >= zagl_bot .AND. zpbl < zagl_top ) THEN
229 kpbl = k
230 EXIT loop_ku
231 ENDIF
232 ENDDO loop_ku
233
234 DO k=kts,ktf
235 IF( k <= kpbl ) wpbl(i, k, j, 1) = 0.0
236 IF( k == kpbl+1 ) wpbl(i, k, j, 1) = 0.1
237 IF( k > kpbl+1 ) wpbl(i, k, j, 1) = 1.0
238 ENDDO
239
240 ENDDO
241 ENDDO
242
243 DO i=its,itf
244 DO j=jtsv,jtf
245
246 kpbl = 1
247 zpbl = 0.5 * ( pblh(i,j-1) + pblh(i,j) )
248
249 loop_kv: DO k=kts,ktf
250 zagl = 0.5 * ( z(i,k,j-1)-ht(i,j-1) + z(i,k,j)-ht(i,j) )
251 zagl_bot = 0.5 * ( z_at_w(i,k, j-1)-ht(i,j-1) + z_at_w(i,k, j)-ht(i,j) )
252 zagl_top = 0.5 * ( z_at_w(i,k+1,j-1)-ht(i,j-1) + z_at_w(i,k+1,j)-ht(i,j) )
253 IF( zpbl >= zagl_bot .AND. zpbl < zagl_top ) THEN
254 kpbl = k
255 EXIT loop_kv
256 ENDIF
257 ENDDO loop_kv
258
259 DO k=kts,ktf
260 IF( k <= kpbl ) wpbl(i, k, j, 2) = 0.0
261 IF( k == kpbl+1 ) wpbl(i, k, j, 2) = 0.1
262 IF( k > kpbl+1 ) wpbl(i, k, j, 2) = 1.0
263 ENDDO
264
265 ENDDO
266 ENDDO
267
268 ENDIF
269
270 IF( if_no_pbl_nudging_t == 1 ) THEN
271
272 DO j=jts,jtf
273 DO i=its,itf
274
275 kpbl = 1
276 zpbl = pblh(i,j)
277
278 loop_kt: DO k=kts,ktf
279 zagl = z(i,k,j)-ht(i,j)
280 zagl_bot = z_at_w(i,k, j)-ht(i,j)
281 zagl_top = z_at_w(i,k+1,j)-ht(i,j)
282 IF( zpbl >= zagl_bot .AND. zpbl < zagl_top ) THEN
283 kpbl = k
284 EXIT loop_kt
285 ENDIF
286 ENDDO loop_kt
287
288 DO k=kts,ktf
289 IF( k <= kpbl ) wpbl(i, k, j, 3) = 0.0
290 IF( k == kpbl+1 ) wpbl(i, k, j, 3) = 0.1
291 IF( k > kpbl+1 ) wpbl(i, k, j, 3) = 1.0
292 ENDDO
293
294 ENDDO
295 ENDDO
296
297 ENDIF
298
299 IF( if_no_pbl_nudging_q == 1 ) THEN
300
301 DO j=jts,jtf
302 DO i=its,itf
303
304 kpbl = 1
305 zpbl = pblh(i,j)
306
307 loop_kq: DO k=kts,ktf
308 zagl = z(i,k,j)-ht(i,j)
309 zagl_bot = z_at_w(i,k, j)-ht(i,j)
310 zagl_top = z_at_w(i,k+1,j)-ht(i,j)
311 IF( zpbl >= zagl_bot .AND. zpbl < zagl_top ) THEN
312 kpbl = k
313 EXIT loop_kq
314 ENDIF
315 ENDDO loop_kq
316
317 DO k=kts,ktf
318 IF( k <= kpbl ) wpbl(i, k, j, 4) = 0.0
319 IF( k == kpbl+1 ) wpbl(i, k, j, 4) = 0.1
320 IF( k > kpbl+1 ) wpbl(i, k, j, 4) = 1.0
321 ENDDO
322
323 ENDDO
324 ENDDO
325
326 ENDIF
327 !
328 ! If the user-defined namelist switches (if_zfac_uv, if_zfac_t,
329 ! if_zfac_q swithes) are set to 1, compute the weighting function, wzfac(k,:),
330 ! based on the namelist specified k values (k_zfac_uv, k_zfac_t and k_zfac_q) below which analysis
331 ! nudging is turned off (wzfac = 1 above k_zfac_x and = 0 in below k_zfac_x). If all
332 ! the switche are set to zero, wzfac = 1 (default value).
333 !
334 wzfac(:,:) = 1.0
335
336 IF( if_zfac_uv == 1 ) THEN
337
338 DO j=jts,jtf
339 DO i=itsu,itf
340 DO k=kts,ktf
341 IF( k <= k_zfac_uv ) wzfac(k, 1:2) = 0.0
342 IF( k == k_zfac_uv+1 ) wzfac(k, 1:2) = 0.1
343 IF( k > k_zfac_uv+1 ) wzfac(k, 1:2) = 1.0
344 ENDDO
345 ENDDO
346 ENDDO
347
348 ENDIF
349
350 IF( if_zfac_t == 1 ) THEN
351
352 DO j=jts,jtf
353 DO i=itsu,itf
354 DO k=kts,ktf
355 IF( k <= k_zfac_t ) wzfac(k, 3) = 0.0
356 IF( k == k_zfac_t+1 ) wzfac(k, 3) = 0.1
357 IF( k > k_zfac_t+1 ) wzfac(k, 3) = 1.0
358 ENDDO
359 ENDDO
360 ENDDO
361
362 ENDIF
363
364 IF( if_zfac_q == 1 ) THEN
365
366 DO j=jts,jtf
367 DO i=itsu,itf
368 DO k=kts,ktf
369 IF( k <= k_zfac_q ) wzfac(k, 4) = 0.0
370 IF( k == k_zfac_q+1 ) wzfac(k, 4) = 0.1
371 IF( k > k_zfac_q+1 ) wzfac(k, 4) = 1.0
372 ENDDO
373 ENDDO
374 ENDDO
375
376 ENDIF
377 !
378 ! If if_ramping and dtramp_min are defined by user, comput a time weighting function, tfac,
379 ! for analysis nudging so that at the end of the nudging period (which has to be at a
380 ! analysis time) we ramp down the nudging coefficient, based on the use-defined sign of dtramp_min.
381 !
382 ! When dtramp_min is negative, ramping ends at end_fdda_hour and starts at
383 ! end_fdda_hour-ABS(dtramp_min).
384 !
385 ! When dtramp_min is positive, ramping starts at end_fdda_hour and ends at
386 ! end_fdda_hour+ABS(dtramp_min). In this case, the obs values are extrapolated using
387 ! the obs tendency saved from the previous FDDA wondow. More specifically for extrapolation,
388 ! coef (see codes below) is recalculated to reflect extrapolation during the ramping period.
389 !
390 tfac = 1.0
391
392 IF( if_ramping == 1 .AND. ABS(dtramp_min) > 0.0 ) THEN
393
394 IF( dtramp_min <= 0.0 ) THEN
395 actual_end_fdda_min = end_fdda_hour*60.0
396 ELSE
397 actual_end_fdda_min = end_fdda_hour*60.0 + dtramp_min
398 ENDIF
399
400 IF( xtime < actual_end_fdda_min-ABS(dtramp_min) )THEN
401 tfac = 1.0
402 ELSEIF( xtime >= actual_end_fdda_min-ABS(dtramp_min) .AND. xtime <= actual_end_fdda_min )THEN
403 tfac = ( actual_end_fdda_min - xtime ) / ABS(dtramp_min)
404 IF( dtramp_min > 0.0 ) coef = (xtime-xtime_old+analysis_interval*60.0)/(analysis_interval*60.0)
405 ELSE
406 tfac = 0.0
407 ENDIF
408
409 ENDIF
410 !
411 ! Compute 3-D nudging tendencies for u, v, t and q
412 !
413 DO j=jts,jtf
414 DO k=kts,ktf
415 DO i=itsu,itf
416 val_analysis = u_ndg_old(i,k,j) *( 1.0 - coef ) + u_ndg_new(i,k,j) * coef
417 RUNDGDTEN(i,k,j) = guv * wpbl(i,k,j,1) * wzfac(k,1) * tfac * &
418 ( val_analysis - u3d(i,k,j) )
419 ENDDO
420 ENDDO
421 ENDDO
422
423 DO j=jtsv,jtf
424 DO k=kts,ktf
425 DO i=its,itf
426 val_analysis = v_ndg_old(i,k,j) *( 1.0 - coef ) + v_ndg_new(i,k,j) * coef
427 RVNDGDTEN(i,k,j) = guv * wpbl(i,k,j,2) * wzfac(k,2) * tfac * &
428 ( val_analysis - v3d(i,k,j) )
429 ENDDO
430 ENDDO
431 ENDDO
432
433 DO j=jts,jtf
434 DO k=kts,ktf
435 DO i=its,itf
436 val_analysis = t_ndg_old(i,k,j) *( 1.0 - coef ) + t_ndg_new(i,k,j) * coef
437 RTHNDGDTEN(i,k,j) = gt * wpbl(i,k,j,3) * wzfac(k,3) * tfac * &
438 ( val_analysis - th3d(i,k,j) + 300.0 )
439
440 val_analysis = q_ndg_old(i,k,j) *( 1.0 - coef ) + q_ndg_new(i,k,j) * coef
441 RQVNDGDTEN(i,k,j) = gq * wpbl(i,k,j,4) * wzfac(k,4) * tfac * &
442 ( val_analysis - qv3d(i,k,j) )
443 ENDDO
444 ENDDO
445 ENDDO
446
447 END SUBROUTINE fddagd
448
449
450 SUBROUTINE fddagdinit(id,rundgdten,rvndgdten,rthndgdten,rqvndgdten,rmundgdten,&
451 run_hours, &
452 if_no_pbl_nudging_uv, if_no_pbl_nudging_t, if_no_pbl_nudging_q, &
453 if_zfac_uv, k_zfac_uv, if_zfac_t, k_zfac_t, if_zfac_q, k_zfac_q, &
454 guv, gt, gq, if_ramping, dtramp_min, end_fdda_hour, &
455 restart, allowed_to_read, &
456 ids, ide, jds, jde, kds, kde, &
457 ims, ime, jms, jme, kms, kme, &
458 its, ite, jts, jte, kts, kte )
459 !-------------------------------------------------------------------
460 IMPLICIT NONE
461 !-------------------------------------------------------------------
462 !
463 INTEGER , INTENT(IN) :: id
464 LOGICAL, INTENT(IN) :: restart, allowed_to_read
465 INTEGER, INTENT(IN) :: ids, ide, jds, jde, kds, kde, &
466 ims, ime, jms, jme, kms, kme, &
467 its, ite, jts, jte, kts, kte
468 REAL, DIMENSION( ims:ime , kms:kme , jms:jme ), INTENT(OUT) :: &
469 rundgdten, &
470 rvndgdten, &
471 rthndgdten, &
472 rqvndgdten
473 INTEGER, INTENT(IN) :: run_hours
474 INTEGER, INTENT(IN) :: if_no_pbl_nudging_uv, if_no_pbl_nudging_t, &
475 if_no_pbl_nudging_q, end_fdda_hour
476 INTEGER, INTENT(IN) :: if_zfac_uv, if_zfac_t, if_zfac_q
477 INTEGER, INTENT(IN) :: k_zfac_uv, k_zfac_t, k_zfac_q
478 INTEGER, INTENT(IN) :: if_ramping
479 REAL, INTENT(IN) :: dtramp_min
480 REAL, INTENT(IN) :: guv, gt, gq
481 REAL :: actual_end_fdda_min
482
483 REAL, DIMENSION( ims:ime , jms:jme ), INTENT(OUT) :: rmundgdten
484 INTEGER :: i, j, k
485
486 LOGICAL , EXTERNAL :: wrf_dm_on_monitor
487
488 CHARACTER (LEN=256) :: message
489
490 IF ( wrf_dm_on_monitor() ) THEN
491
492 IF( guv > 0.0 ) THEN
493 WRITE(message,'(a,i1,a,e12.4)') &
494 'D0',id,' Analysis nudging for wind is turned on and Guv= ', guv
495 CALL wrf_message(TRIM(message))
496 ELSE IF( guv < 0.0 ) THEN
497 CALL wrf_error_fatal('In grid FDDA, Guv must be positive.')
498 ELSE
499 WRITE(message,'(a,i1,a,e12.4)') &
500 'D0',id,' Analysis nudging for wind is turned off and Guv= ', guv
501 CALL wrf_message(TRIM(message))
502 ENDIF
503
504 IF( gt > 0.0 ) THEN
505 WRITE(message,'(a,i1,a,e12.4)') &
506 'D0',id,' Analysis nudging for temperature is turned on and Gt= ', gt
507 CALL wrf_message(TRIM(message))
508 ELSE IF( gt < 0.0 ) THEN
509 CALL wrf_error_fatal('In grid FDDA, Gt must be positive.')
510 ELSE
511 WRITE(message,'(a,i1,a,e12.4)') &
512 'D0',id,' Analysis nudging for temperature is turned off and Gt= ', gt
513 CALL wrf_message(TRIM(message))
514 ENDIF
515
516 IF( gq > 0.0 ) THEN
517 WRITE(message,'(a,i1,a,e12.4)') &
518 'D0',id,' Analysis nudging for water vapor mixing ratio is turned on and Gq= ', gq
519 CALL wrf_message(TRIM(message))
520 ELSE IF( gq < 0.0 ) THEN
521 CALL wrf_error_fatal('In grid FDDA, Gq must be positive.')
522 ELSE
523 WRITE(message,'(a,i1,a,e12.4)') &
524 'D0',id,' Analysis nudging for water vapor mixing ratio is turned off and Gq= ', gq
525 CALL wrf_message(TRIM(message))
526 ENDIF
527
528 IF( guv > 0.0 .AND. if_no_pbl_nudging_uv == 1 ) THEN
529 WRITE(message,'(a,i1,a)') &
530 'D0',id,' Analysis nudging for wind is turned off within the PBL.'
531 CALL wrf_message(TRIM(message))
532 ENDIF
533
534 IF( gt > 0.0 .AND. if_no_pbl_nudging_t == 1 ) THEN
535 WRITE(message,'(a,i1,a)') &
536 'D0',id,' Analysis nudging for temperature is turned off within the PBL.'
537 CALL wrf_message(TRIM(message))
538 ENDIF
539
540 IF( gq > 0.0 .AND. if_no_pbl_nudging_q == 1 ) THEN
541 WRITE(message,'(a,i1,a)') &
542 'D0',id,' Analysis nudging for water vapor mixing ratio is turned off within the PBL.'
543 CALL wrf_message(TRIM(message))
544 ENDIF
545
546 IF( guv > 0.0 .AND. if_zfac_uv == 1 ) THEN
547 WRITE(message,'(a,i1,a,i3)') &
548 'D0',id,' Analysis nudging for wind is turned off below layer', k_zfac_uv
549 CALL wrf_message(TRIM(message))
550 ENDIF
551
552 IF( gt > 0.0 .AND. if_zfac_t == 1 ) THEN
553 WRITE(message,'(a,i1,a,i3)') &
554 'D0',id,' Analysis nudging for temperature is turned off below layer', k_zfac_t
555 CALL wrf_message(TRIM(message))
556 ENDIF
557
558 IF( gq > 0.0 .AND. if_zfac_q == 1 ) THEN
559 WRITE(message,'(a,i1,a,i3)') &
560 'D0',id,' Analysis nudging for water vapor mixing ratio is turned off below layer', &
561 k_zfac_q
562 CALL wrf_message(TRIM(message))
563 ENDIF
564
565 IF( if_ramping == 1 .AND. ABS(dtramp_min) > 0.0 ) THEN
566 IF( dtramp_min <= 0.0 ) THEN
567 actual_end_fdda_min = end_fdda_hour*60.0
568 ELSE
569 actual_end_fdda_min = end_fdda_hour*60.0 + ABS(dtramp_min)
570 ENDIF
571
572 IF( actual_end_fdda_min <= run_hours*60. ) THEN
573 WRITE(message,'(a,i1,a)') &
574 'D0',id,' Analysis nudging is ramped down near the end of the nudging period,'
575 CALL wrf_message(TRIM(message))
576
577 WRITE(message,'(a,f6.2,a,f6.2,a)') &
578 ' starting at ', (actual_end_fdda_min - ABS(dtramp_min))/60.0, &
579 'h, ending at ', actual_end_fdda_min/60.0,'h.'
580 CALL wrf_message(TRIM(message))
581 ENDIF
582 ENDIF
583
584 ENDIF
585
586 IF(.not.restart) THEN
587 DO j = jts,jte
588 DO k = kts,kte
589 DO i = its,ite
590 rundgdten(i,k,j) = 0.
591 rvndgdten(i,k,j) = 0.
592 rthndgdten(i,k,j) = 0.
593 rqvndgdten(i,k,j) = 0.
594 if(k.eq.kts) rmundgdten(i,j) = 0.
595 ENDDO
596 ENDDO
597 ENDDO
598 ENDIF
599
600 END SUBROUTINE fddagdinit
601 !-------------------------------------------------------------------
602 END MODULE module_fdda_psufddagd