1 | MODULE advect_tracer_mod |
---|
2 | USE icosa |
---|
3 | PRIVATE |
---|
4 | INTEGER,PARAMETER::iapp_tracvl= 1 |
---|
5 | |
---|
6 | TYPE(t_field),POINTER :: f_normal(:) |
---|
7 | TYPE(t_field),POINTER :: f_tangent(:) |
---|
8 | TYPE(t_field),POINTER :: f_gradq3d(:) |
---|
9 | |
---|
10 | PUBLIC init_advect_tracer, advect_tracer |
---|
11 | |
---|
12 | CONTAINS |
---|
13 | |
---|
14 | SUBROUTINE init_advect_tracer |
---|
15 | USE advect_mod |
---|
16 | IMPLICIT NONE |
---|
17 | REAL(rstd),POINTER :: tangent(:,:) |
---|
18 | REAL(rstd),POINTER :: normal(:,:) |
---|
19 | INTEGER :: ind |
---|
20 | |
---|
21 | CALL allocate_field(f_normal,field_u,type_real,3) |
---|
22 | CALL allocate_field(f_tangent,field_u,type_real,3) |
---|
23 | CALL allocate_field(f_gradq3d,field_t,type_real,llm,3) |
---|
24 | |
---|
25 | DO ind=1,ndomain |
---|
26 | CALL swap_dimensions(ind) |
---|
27 | CALL swap_geometry(ind) |
---|
28 | normal=f_normal(ind) |
---|
29 | tangent=f_tangent(ind) |
---|
30 | CALL init_advect(normal,tangent) |
---|
31 | END DO |
---|
32 | |
---|
33 | END SUBROUTINE init_advect_tracer |
---|
34 | |
---|
35 | SUBROUTINE advect_tracer(f_ps,f_u,f_q) |
---|
36 | USE icosa |
---|
37 | USE advect_mod |
---|
38 | USE disvert_mod |
---|
39 | IMPLICIT NONE |
---|
40 | TYPE(t_field),POINTER :: f_ps(:) |
---|
41 | TYPE(t_field),POINTER :: f_u(:) |
---|
42 | TYPE(t_field),POINTER :: f_q(:) |
---|
43 | REAL(rstd),POINTER :: q(:,:,:) |
---|
44 | REAL(rstd),POINTER :: u(:,:) |
---|
45 | REAL(rstd),POINTER :: ps(:) |
---|
46 | REAL(rstd),POINTER :: massflx(:,:) |
---|
47 | REAL(rstd),POINTER :: rhodz(:,:) |
---|
48 | TYPE(t_field),POINTER,SAVE :: f_massflxc(:) |
---|
49 | TYPE(t_field),POINTER,SAVE :: f_massflx(:) |
---|
50 | TYPE(t_field),POINTER,SAVE :: f_uc(:) |
---|
51 | TYPE(t_field),POINTER,SAVE :: f_rhodzm1(:) |
---|
52 | TYPE(t_field),POINTER,SAVE :: f_rhodz(:) |
---|
53 | REAL(rstd),POINTER,SAVE :: massflxc(:,:) |
---|
54 | REAL(rstd),POINTER,SAVE :: uc(:,:) |
---|
55 | REAL(rstd),POINTER,SAVE :: rhodzm1(:,:) |
---|
56 | REAL(rstd):: bigt |
---|
57 | INTEGER :: ind,it,i,j,l,ij |
---|
58 | INTEGER,SAVE :: iadvtr=0 |
---|
59 | LOGICAL,SAVE:: first=.TRUE. |
---|
60 | !------------------------------------------------------sarvesh |
---|
61 | CALL transfert_request(f_ps,req_i1) |
---|
62 | CALL transfert_request(f_u,req_e1) |
---|
63 | CALL transfert_request(f_u,req_e1) |
---|
64 | CALL transfert_request(f_q,req_i1) |
---|
65 | |
---|
66 | IF ( first ) THEN |
---|
67 | CALL allocate_field(f_rhodz,field_t,type_real,llm) |
---|
68 | CALL allocate_field(f_rhodzm1,field_t,type_real,llm) |
---|
69 | CALL allocate_field(f_massflxc,field_u,type_real,llm) |
---|
70 | CALL allocate_field(f_massflx,field_u,type_real,llm) |
---|
71 | CALL allocate_field(f_uc,field_u,type_real,llm) |
---|
72 | first = .FALSE. |
---|
73 | END IF |
---|
74 | |
---|
75 | DO ind=1,ndomain |
---|
76 | CALL swap_dimensions(ind) |
---|
77 | CALL swap_geometry(ind) |
---|
78 | rhodz=f_rhodz(ind) |
---|
79 | massflx=f_massflx(ind) |
---|
80 | ps=f_ps(ind) |
---|
81 | u=f_u(ind) |
---|
82 | |
---|
83 | DO l = 1, llm |
---|
84 | DO j=jj_begin-1,jj_end+1 |
---|
85 | DO i=ii_begin-1,ii_end+1 |
---|
86 | ij=(j-1)*iim+i |
---|
87 | rhodz(ij,l) = (ap(l) - ap(l+1) + (bp(l)-bp(l+1))*ps(ij))/g |
---|
88 | ENDDO |
---|
89 | ENDDO |
---|
90 | ENDDO |
---|
91 | |
---|
92 | DO l = 1, llm |
---|
93 | DO j=jj_begin-1,jj_end+1 |
---|
94 | DO i=ii_begin-1,ii_end+1 |
---|
95 | ij=(j-1)*iim+i |
---|
96 | massflx(ij+u_right,l)=0.5*(rhodz(ij,l)+rhodz(ij+t_right,l))*u(ij+u_right,l)*le(ij+u_right) |
---|
97 | massflx(ij+u_lup,l)=0.5*(rhodz(ij,l)+rhodz(ij+t_lup,l))*u(ij+u_lup,l)*le(ij+u_lup) |
---|
98 | massflx(ij+u_ldown,l)=0.5*(rhodz(ij,l)+rhodz(ij+t_ldown,l))*u(ij+u_ldown,l)*le(ij+u_ldown) |
---|
99 | ENDDO |
---|
100 | ENDDO |
---|
101 | ENDDO |
---|
102 | ENDDO |
---|
103 | |
---|
104 | IF ( iadvtr == 0 ) THEN |
---|
105 | DO ind=1,ndomain |
---|
106 | CALL swap_dimensions(ind) |
---|
107 | CALL swap_geometry(ind) |
---|
108 | rhodz=f_rhodz(ind) |
---|
109 | rhodzm1 = f_rhodzm1(ind) |
---|
110 | massflxc = f_massflxc(ind) ! accumulated mass fluxes |
---|
111 | uc = f_uc(ind) ! time-integrated normal velocity to compute back-trajectory (Miura) |
---|
112 | rhodzm1 = rhodz |
---|
113 | massflxc = 0.0 |
---|
114 | uc = 0.0 |
---|
115 | END DO |
---|
116 | CALL transfert_request(f_rhodzm1,req_i1) !----> |
---|
117 | CALL transfert_request(f_massflxc,req_e1) !----> |
---|
118 | CALL transfert_request(f_massflxc,req_e1) !------> |
---|
119 | CALL transfert_request(f_uc,req_e1) !----> |
---|
120 | CALL transfert_request(f_uc,req_e1) |
---|
121 | END IF |
---|
122 | |
---|
123 | iadvtr = iadvtr + 1 |
---|
124 | |
---|
125 | DO ind=1,ndomain |
---|
126 | CALL swap_dimensions(ind) |
---|
127 | CALL swap_geometry(ind) |
---|
128 | massflx = f_massflx(ind) |
---|
129 | massflxc = f_massflxc(ind) |
---|
130 | uc = f_uc(ind) |
---|
131 | u = f_u(ind) |
---|
132 | massflxc = massflxc + massflx |
---|
133 | uc = uc + u |
---|
134 | END DO |
---|
135 | |
---|
136 | IF ( iadvtr == iapp_tracvl ) THEN |
---|
137 | PRINT *, 'Advection scheme' |
---|
138 | bigt = dt*iapp_tracvl |
---|
139 | DO ind=1,ndomain |
---|
140 | CALL swap_dimensions(ind) |
---|
141 | CALL swap_geometry(ind) |
---|
142 | uc = f_uc(ind) |
---|
143 | uc = uc/real(iapp_tracvl) |
---|
144 | massflxc = f_massflxc(ind) |
---|
145 | massflxc = massflxc*dt |
---|
146 | ! now massflx is time-integrated |
---|
147 | END DO |
---|
148 | |
---|
149 | CALL vlsplt(f_q,f_rhodzm1,f_massflxc,2.0,f_uc,bigt) |
---|
150 | iadvtr = 0 |
---|
151 | END IF |
---|
152 | END SUBROUTINE advect_tracer |
---|
153 | |
---|
154 | SUBROUTINE vlsplt(f_q,f_rhodz,f_massflx,pente_max,f_u,bigt) |
---|
155 | USE field_mod |
---|
156 | USE domain_mod |
---|
157 | USE dimensions |
---|
158 | USE grid_param |
---|
159 | USE geometry |
---|
160 | USE metric |
---|
161 | USE advect_mod |
---|
162 | IMPLICIT NONE |
---|
163 | |
---|
164 | TYPE(t_field),POINTER :: f_q(:) |
---|
165 | TYPE(t_field),POINTER :: f_u(:) |
---|
166 | TYPE(t_field),POINTER :: f_rhodz(:) |
---|
167 | TYPE(t_field),POINTER :: f_massflx(:) |
---|
168 | |
---|
169 | TYPE(t_field),POINTER,SAVE :: f_wg(:) |
---|
170 | TYPE(t_field),POINTER,SAVE :: f_zm(:) |
---|
171 | TYPE(t_field),POINTER,SAVE :: f_zq(:) |
---|
172 | |
---|
173 | REAL(rstd)::bigt |
---|
174 | REAL(rstd),POINTER :: q(:,:,:) |
---|
175 | REAL(rstd),POINTER :: u(:,:) |
---|
176 | REAL(rstd),POINTER :: rhodz(:,:) |
---|
177 | REAL(rstd),POINTER :: massflx(:,:) |
---|
178 | REAL(rstd),POINTER :: wg(:,:) |
---|
179 | REAL(rstd),POINTER :: zq(:,:,:) |
---|
180 | REAL(rstd),POINTER :: zm(:,:) |
---|
181 | REAL(rstd),POINTER :: tangent(:,:) |
---|
182 | REAL(rstd),POINTER :: normal(:,:) |
---|
183 | REAL(rstd),POINTER :: gradq3d(:,:,:) |
---|
184 | |
---|
185 | REAL(rstd)::pente_max |
---|
186 | LOGICAL,SAVE::first = .true. |
---|
187 | INTEGER :: i,ij,l,j,ind,k |
---|
188 | REAL(rstd) :: zzpbar, zzw |
---|
189 | REAL::qvmax,qvmin |
---|
190 | |
---|
191 | IF ( first ) THEN |
---|
192 | CALL allocate_field(f_wg,field_t,type_real,llm) |
---|
193 | CALL allocate_field(f_zm,field_t,type_real,llm) |
---|
194 | CALL allocate_field(f_zq,field_t,type_real,llm,nqtot) |
---|
195 | first = .FALSE. |
---|
196 | END IF |
---|
197 | |
---|
198 | DO ind=1,ndomain |
---|
199 | CALL swap_dimensions(ind) |
---|
200 | CALL swap_geometry(ind) |
---|
201 | q=f_q(ind) |
---|
202 | rhodz=f_rhodz(ind) |
---|
203 | zq=f_zq(ind) |
---|
204 | zm=f_zm(ind) |
---|
205 | zm = rhodz ; zq = q |
---|
206 | wg = f_wg(ind) |
---|
207 | wg = 0.0 |
---|
208 | massflx=f_massflx(ind) |
---|
209 | CALL advtrac(massflx,wg) ! compute vertical mass fluxes |
---|
210 | END DO |
---|
211 | |
---|
212 | DO ind=1,ndomain |
---|
213 | CALL swap_dimensions(ind) |
---|
214 | CALL swap_geometry(ind) |
---|
215 | zq=f_zq(ind) |
---|
216 | zm=f_zm(ind) |
---|
217 | wg=f_wg(ind) |
---|
218 | wg=wg*0.5 |
---|
219 | DO k = 1, nqtot |
---|
220 | CALL vlz(zq(:,:,k),2.,zm,wg) |
---|
221 | END DO |
---|
222 | END DO |
---|
223 | |
---|
224 | DO ind=1,ndomain |
---|
225 | CALL swap_dimensions(ind) |
---|
226 | CALL swap_geometry(ind) |
---|
227 | zq=f_zq(ind) |
---|
228 | zq = f_zq(ind) |
---|
229 | zm = f_zm(ind) |
---|
230 | massflx =f_massflx(ind) |
---|
231 | u = f_u(ind) |
---|
232 | tangent = f_tangent(ind) |
---|
233 | normal = f_normal(ind) |
---|
234 | gradq3d = f_gradq3d(ind) |
---|
235 | |
---|
236 | DO k = 1,nqtot |
---|
237 | CALL compute_gradq3d(zq(:,:,k),gradq3d) |
---|
238 | CALL compute_advect_horiz(tangent,normal,zq(:,:,k),gradq3d,zm,u,massflx,bigt) |
---|
239 | END DO |
---|
240 | END DO |
---|
241 | |
---|
242 | DO ind=1,ndomain |
---|
243 | CALL swap_dimensions(ind) |
---|
244 | CALL swap_geometry(ind) |
---|
245 | q = f_q(ind) |
---|
246 | zq = f_zq(ind) |
---|
247 | zm = f_zm(ind) |
---|
248 | wg = f_wg(ind) |
---|
249 | DO k = 1,nqtot |
---|
250 | CALL vlz(zq(:,:,k),2.,zm,wg) |
---|
251 | END DO |
---|
252 | q = zq |
---|
253 | END DO |
---|
254 | |
---|
255 | END SUBROUTINE vlsplt |
---|
256 | |
---|
257 | !============================================================================== |
---|
258 | SUBROUTINE advtrac(massflx,wgg) |
---|
259 | USE domain_mod |
---|
260 | USE dimensions |
---|
261 | USE grid_param |
---|
262 | USE geometry |
---|
263 | USE metric |
---|
264 | USE disvert_mod |
---|
265 | IMPLICIT NONE |
---|
266 | REAL(rstd),INTENT(IN) :: massflx(iim*3*jjm,llm) |
---|
267 | REAL(rstd),INTENT(OUT) :: wgg(iim*jjm,llm) |
---|
268 | |
---|
269 | INTEGER :: i,j,ij,l |
---|
270 | REAL(rstd) :: convm(iim*jjm,llm) |
---|
271 | |
---|
272 | DO l = 1, llm |
---|
273 | DO j=jj_begin,jj_end |
---|
274 | DO i=ii_begin,ii_end |
---|
275 | ij=(j-1)*iim+i |
---|
276 | ! divergence of horizontal flux |
---|
277 | convm(ij,l)= 1/(Ai(ij))*(ne(ij,right)*massflx(ij+u_right,l) + & |
---|
278 | ne(ij,rup)*massflx(ij+u_rup,l) + & |
---|
279 | ne(ij,lup)*massflx(ij+u_lup,l) + & |
---|
280 | ne(ij,left)*massflx(ij+u_left,l) + & |
---|
281 | ne(ij,ldown)*massflx(ij+u_ldown,l) + & |
---|
282 | ne(ij,rdown)*massflx(ij+u_rdown,l)) |
---|
283 | ENDDO |
---|
284 | ENDDO |
---|
285 | ENDDO |
---|
286 | |
---|
287 | ! accumulate divergence from top of model |
---|
288 | DO l = llm-1, 1, -1 |
---|
289 | DO j=jj_begin,jj_end |
---|
290 | DO i=ii_begin,ii_end |
---|
291 | ij=(j-1)*iim+i |
---|
292 | convm(ij,l) = convm(ij,l) + convm(ij,l+1) |
---|
293 | ENDDO |
---|
294 | ENDDO |
---|
295 | ENDDO |
---|
296 | |
---|
297 | !!! Compute vertical velocity |
---|
298 | DO l = 1,llm-1 |
---|
299 | DO j=jj_begin,jj_end |
---|
300 | DO i=ii_begin,ii_end |
---|
301 | ij=(j-1)*iim+i |
---|
302 | wgg( ij, l+1 ) = (convm( ij, l+1 ) - bp(l+1) * convm( ij, 1 )) |
---|
303 | ENDDO |
---|
304 | ENDDO |
---|
305 | ENDDO |
---|
306 | |
---|
307 | DO j=jj_begin,jj_end |
---|
308 | DO i=ii_begin,ii_end |
---|
309 | ij=(j-1)*iim+i |
---|
310 | wgg(ij,1) = 0. |
---|
311 | ENDDO |
---|
312 | ENDDO |
---|
313 | END SUBROUTINE advtrac |
---|
314 | |
---|
315 | SUBROUTINE vlz(q,pente_max,masse,wgg) |
---|
316 | !c |
---|
317 | !c Auteurs: P.Le Van, F.Hourdin, F.Forget |
---|
318 | !c |
---|
319 | !c ******************************************************************** |
---|
320 | !c Shema d'advection " pseudo amont " . |
---|
321 | !c ******************************************************************** |
---|
322 | USE icosa |
---|
323 | IMPLICIT NONE |
---|
324 | !c |
---|
325 | !c Arguments: |
---|
326 | !c ---------- |
---|
327 | REAL masse(iim*jjm,llm),pente_max |
---|
328 | REAL q(iim*jjm,llm) |
---|
329 | REAL wgg(iim*jjm,llm),w(iim*jjm,llm+1) |
---|
330 | REAL dq(iim*jjm,llm) |
---|
331 | INTEGER i,ij,l,j,ii |
---|
332 | !c |
---|
333 | REAL wq(iim*jjm,llm+1),newmasse |
---|
334 | |
---|
335 | REAL dzq(iim*jjm,llm),dzqw(iim*jjm,llm),adzqw(iim*jjm,llm),dzqmax |
---|
336 | REAL sigw |
---|
337 | |
---|
338 | REAL SSUM |
---|
339 | |
---|
340 | |
---|
341 | w(:,1:llm) = -wgg(:,:) ! w>0 for downward transport |
---|
342 | w(:,llm+1) = 0.0 |
---|
343 | |
---|
344 | !c On oriente tout dans le sens de la pression c'est a dire dans le |
---|
345 | !c sens de W |
---|
346 | |
---|
347 | DO l=2,llm |
---|
348 | DO j=jj_begin,jj_end |
---|
349 | DO i=ii_begin,ii_end |
---|
350 | ij=(j-1)*iim+i |
---|
351 | dzqw(ij,l)=q(ij,l-1)-q(ij,l) |
---|
352 | adzqw(ij,l)=abs(dzqw(ij,l)) |
---|
353 | ENDDO |
---|
354 | ENDDO |
---|
355 | ENDDO |
---|
356 | |
---|
357 | DO l=2,llm-1 |
---|
358 | DO j=jj_begin,jj_end |
---|
359 | DO i=ii_begin,ii_end |
---|
360 | ij=(j-1)*iim+i |
---|
361 | IF(dzqw(ij,l)*dzqw(ij,l+1).gt.0.) THEN |
---|
362 | dzq(ij,l)=0.5*(dzqw(ij,l)+dzqw(ij,l+1)) |
---|
363 | ELSE |
---|
364 | dzq(ij,l)=0. |
---|
365 | ENDIF |
---|
366 | dzqmax=pente_max*min(adzqw(ij,l),adzqw(ij,l+1)) |
---|
367 | dzq(ij,l)=sign(min(abs(dzq(ij,l)),dzqmax),dzq(ij,l)) |
---|
368 | ENDDO |
---|
369 | ENDDO |
---|
370 | ENDDO |
---|
371 | |
---|
372 | DO l=2,llm-1 |
---|
373 | DO j=jj_begin,jj_end |
---|
374 | DO i=ii_begin,ii_end |
---|
375 | ij=(j-1)*iim+i |
---|
376 | dzq(ij,1)=0. |
---|
377 | dzq(ij,llm)=0. |
---|
378 | ENDDO |
---|
379 | ENDDO |
---|
380 | ENDDO |
---|
381 | !c --------------------------------------------------------------- |
---|
382 | !c .... calcul des termes d'advection verticale ....... |
---|
383 | !c --------------------------------------------------------------- |
---|
384 | |
---|
385 | !c calcul de - d( q * w )/ d(sigma) qu'on ajoute a dq pour calculer dq |
---|
386 | |
---|
387 | DO l = 1,llm-1 |
---|
388 | DO j=jj_begin,jj_end |
---|
389 | DO i=ii_begin,ii_end |
---|
390 | ij=(j-1)*iim+i |
---|
391 | IF(w(ij,l+1).gt.0.) THEN |
---|
392 | ! upwind only if downward transport |
---|
393 | sigw=w(ij,l+1)/masse(ij,l+1) |
---|
394 | wq(ij,l+1)=w(ij,l+1)*(q(ij,l+1)+0.5*(1.-sigw)*dzq(ij,l+1)) |
---|
395 | ELSE |
---|
396 | ! upwind only if upward transport |
---|
397 | sigw=w(ij,l+1)/masse(ij,l) |
---|
398 | wq(ij,l+1)=w(ij,l+1)*(q(ij,l)-0.5*(1.+sigw)*dzq(ij,l)) |
---|
399 | ENDIF |
---|
400 | ENDDO |
---|
401 | ENDDO |
---|
402 | END DO |
---|
403 | |
---|
404 | DO j=jj_begin,jj_end |
---|
405 | DO i=ii_begin,ii_end |
---|
406 | ij=(j-1)*iim+i |
---|
407 | wq(ij,llm+1)=0. |
---|
408 | wq(ij,1)=0. |
---|
409 | ENDDO |
---|
410 | END DO |
---|
411 | |
---|
412 | DO l=1,llm |
---|
413 | DO j=jj_begin,jj_end |
---|
414 | DO i=ii_begin,ii_end |
---|
415 | ij=(j-1)*iim+i |
---|
416 | ! masse -= dw/dz but w>0 <=> downward |
---|
417 | newmasse=masse(ij,l)+(w(ij,l+1)-w(ij,l)) |
---|
418 | ! dq(ij,l) = (wq(ij,l+1)-wq(ij,l)) !================>>>> |
---|
419 | q(ij,l)=(q(ij,l)*masse(ij,l)+wq(ij,l+1)-wq(ij,l))/newmasse |
---|
420 | ! masse(ij,l)=newmasse |
---|
421 | ENDDO |
---|
422 | ENDDO |
---|
423 | END DO |
---|
424 | RETURN |
---|
425 | END SUBROUTINE vlz |
---|
426 | |
---|
427 | END MODULE advect_tracer_mod |
---|