1 | MODULE traadv_muscl2 |
---|
2 | !!============================================================================== |
---|
3 | !! *** MODULE traadv_muscl2 *** |
---|
4 | !! Ocean active tracers: horizontal & vertical advective trend |
---|
5 | !!============================================================================== |
---|
6 | |
---|
7 | !!---------------------------------------------------------------------- |
---|
8 | !! tra_adv_muscl2 : update the tracer trend with the horizontal |
---|
9 | !! and vertical advection trends using MUSCL2 scheme |
---|
10 | !!---------------------------------------------------------------------- |
---|
11 | !! * Modules used |
---|
12 | USE oce ! ocean dynamics and active tracers |
---|
13 | USE dom_oce ! ocean space and time domain |
---|
14 | USE trdmod ! ocean active tracers trends |
---|
15 | USE trdmod_oce ! ocean variables trends |
---|
16 | USE in_out_manager ! I/O manager |
---|
17 | USE dynspg_fsc ! surface pressure gradient |
---|
18 | USE dynspg_fsc_atsk ! autotasked surface pressure gradient |
---|
19 | USE trabbl ! tracers: bottom boundary layer |
---|
20 | USE lib_mpp |
---|
21 | USE lbclnk ! ocean lateral boundary condition (or mpp link) |
---|
22 | USE diaptr ! poleward transport diagnostics |
---|
23 | |
---|
24 | IMPLICIT NONE |
---|
25 | PRIVATE |
---|
26 | |
---|
27 | !! * Accessibility |
---|
28 | PUBLIC tra_adv_muscl2 ! routine called by step.F90 |
---|
29 | |
---|
30 | !! * Substitutions |
---|
31 | # include "domzgr_substitute.h90" |
---|
32 | # include "vectopt_loop_substitute.h90" |
---|
33 | !!---------------------------------------------------------------------- |
---|
34 | !! OPA 9.0 , LODYC-IPSL (2003) |
---|
35 | !!---------------------------------------------------------------------- |
---|
36 | |
---|
37 | CONTAINS |
---|
38 | |
---|
39 | SUBROUTINE tra_adv_muscl2( kt ) |
---|
40 | !!---------------------------------------------------------------------- |
---|
41 | !! *** ROUTINE tra_adv_muscl2 *** |
---|
42 | !! |
---|
43 | !! ** Purpose : Compute the now trend due to total advection of T and |
---|
44 | !! S using a MUSCL scheme (Monotone Upstream-centered Scheme for |
---|
45 | !! Conservation Laws) and add it to the general tracer trend. |
---|
46 | !! |
---|
47 | !! ** Method : MUSCL scheme plus centered scheme at ocean boundaries |
---|
48 | !! |
---|
49 | !! ** Action : - update (ta,sa) with the now advective tracer trends |
---|
50 | !! - save trends in (ztdta,ztdsa) ('key_trdtra') |
---|
51 | !! |
---|
52 | !! References : |
---|
53 | !! Estubier, A., and M. Levy, Notes Techn. Pole de Modelisation |
---|
54 | !! IPSL, Sept. 2000 (http://www.lodyc.jussieu.fr/opa) |
---|
55 | !! |
---|
56 | !! History : |
---|
57 | !! ! 06-00 (A.Estublier) for passive tracers |
---|
58 | !! ! 01-08 (E.Durand G.Madec) adapted for T & S |
---|
59 | !! 8.5 ! 02-06 (G. Madec) F90: Free form and module |
---|
60 | !! 9.0 ! 04-08 (C. Talandier) New trends organization |
---|
61 | !!---------------------------------------------------------------------- |
---|
62 | !! * modules used |
---|
63 | #if defined key_trabbl_adv |
---|
64 | USE oce , zun => ua, & ! use ua as workspace |
---|
65 | & zvn => va ! use va as workspace |
---|
66 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zwn |
---|
67 | #else |
---|
68 | USE oce , zun => un, & ! When no bbl, zun == un |
---|
69 | zvn => vn, & ! zvn == vn |
---|
70 | zwn => wn ! zwn == wn |
---|
71 | #endif |
---|
72 | |
---|
73 | !! * Arguments |
---|
74 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
---|
75 | |
---|
76 | !! * Local declarations |
---|
77 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
78 | REAL(wp) :: & |
---|
79 | zu, zv, zw, zeu, zev, & |
---|
80 | zew, zbtr, zstep, & |
---|
81 | z0u, z0v, z0w, & |
---|
82 | zzt1, zzt2, zalpha, & |
---|
83 | zzs1, zzs2, z2, & |
---|
84 | zta, zsa |
---|
85 | REAL(wp), DIMENSION (jpi,jpj,jpk) :: & |
---|
86 | zt1, zt2, ztp1, ztp2, & |
---|
87 | zs1, zs2, zsp1, zsp2, & |
---|
88 | ztdta, ztdsa |
---|
89 | !!---------------------------------------------------------------------- |
---|
90 | |
---|
91 | IF( kt == nit000 .AND. lwp ) THEN |
---|
92 | WRITE(numout,*) |
---|
93 | WRITE(numout,*) 'tra_adv_muscl2 : MUSCL2 advection scheme' |
---|
94 | WRITE(numout,*) '~~~~~~~~~~~~~~~' |
---|
95 | ENDIF |
---|
96 | |
---|
97 | IF( neuler == 0 .AND. kt == nit000 ) THEN |
---|
98 | z2=1. |
---|
99 | ELSE |
---|
100 | z2=2. |
---|
101 | ENDIF |
---|
102 | |
---|
103 | ! Save ta and sa trends |
---|
104 | IF( l_trdtra ) THEN |
---|
105 | ztdta(:,:,:) = ta(:,:,:) |
---|
106 | ztdsa(:,:,:) = sa(:,:,:) |
---|
107 | l_adv = 'mu2' |
---|
108 | ENDIF |
---|
109 | |
---|
110 | #if defined key_trabbl_adv |
---|
111 | ! Advective bottom boundary layer |
---|
112 | ! ------------------------------- |
---|
113 | zun(:,:,:) = un (:,:,:) - u_bbl(:,:,:) |
---|
114 | zvn(:,:,:) = vn (:,:,:) - v_bbl(:,:,:) |
---|
115 | zwn(:,:,:) = wn (:,:,:) + w_bbl( :,:,:) |
---|
116 | #endif |
---|
117 | |
---|
118 | |
---|
119 | ! I. Horizontal advective fluxes |
---|
120 | ! ------------------------------ |
---|
121 | |
---|
122 | ! first guess of the slopes |
---|
123 | ! interior values |
---|
124 | DO jk = 1, jpkm1 |
---|
125 | DO jj = 1, jpjm1 |
---|
126 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
127 | zt1(ji,jj,jk) = umask(ji,jj,jk) * ( tb(ji+1,jj,jk) - tb(ji,jj,jk) ) |
---|
128 | zs1(ji,jj,jk) = umask(ji,jj,jk) * ( sb(ji+1,jj,jk) - sb(ji,jj,jk) ) |
---|
129 | zt2(ji,jj,jk) = vmask(ji,jj,jk) * ( tb(ji,jj+1,jk) - tb(ji,jj,jk) ) |
---|
130 | zs2(ji,jj,jk) = vmask(ji,jj,jk) * ( sb(ji,jj+1,jk) - sb(ji,jj,jk) ) |
---|
131 | END DO |
---|
132 | END DO |
---|
133 | END DO |
---|
134 | ! bottom values |
---|
135 | zt1(:,:,jpk) = 0.e0 ; zt2(:,:,jpk) = 0.e0 |
---|
136 | zs1(:,:,jpk) = 0.e0 ; zs2(:,:,jpk) = 0.e0 |
---|
137 | |
---|
138 | ! lateral boundary conditions on zt1, zt2 ; zs1, zs2 (changed sign) |
---|
139 | CALL lbc_lnk( zt1, 'U', -1. ) ; CALL lbc_lnk( zs1, 'U', -1. ) |
---|
140 | CALL lbc_lnk( zt2, 'V', -1. ) ; CALL lbc_lnk( zs2, 'V', -1. ) |
---|
141 | |
---|
142 | ! Slopes |
---|
143 | ! interior values |
---|
144 | DO jk = 1, jpkm1 |
---|
145 | DO jj = 2, jpj |
---|
146 | DO ji = fs_2, jpi ! vector opt. |
---|
147 | ztp1(ji,jj,jk) = ( zt1(ji,jj,jk) + zt1(ji-1,jj ,jk) ) & |
---|
148 | & * ( 0.25 + SIGN( 0.25, zt1(ji,jj,jk) * zt1(ji-1,jj ,jk) ) ) |
---|
149 | zsp1(ji,jj,jk) = ( zs1(ji,jj,jk) + zs1(ji-1,jj ,jk) ) & |
---|
150 | & * ( 0.25 + SIGN( 0.25, zs1(ji,jj,jk) * zs1(ji-1,jj ,jk) ) ) |
---|
151 | ztp2(ji,jj,jk) = ( zt2(ji,jj,jk) + zt2(ji ,jj-1,jk) ) & |
---|
152 | & * ( 0.25 + SIGN( 0.25, zt2(ji,jj,jk) * zt2(ji ,jj-1,jk) ) ) |
---|
153 | zsp2(ji,jj,jk) = ( zs2(ji,jj,jk) + zs2(ji ,jj-1,jk) ) & |
---|
154 | & * ( 0.25 + SIGN( 0.25, zs2(ji,jj,jk) * zs2(ji ,jj-1,jk) ) ) |
---|
155 | END DO |
---|
156 | END DO |
---|
157 | END DO |
---|
158 | ! bottom values |
---|
159 | ztp1(:,:,jpk) = 0.e0 ; ztp2(:,:,jpk) = 0.e0 |
---|
160 | zsp1(:,:,jpk) = 0.e0 ; zsp2(:,:,jpk) = 0.e0 |
---|
161 | |
---|
162 | ! Slopes limitation |
---|
163 | DO jk = 1, jpkm1 |
---|
164 | DO jj = 2, jpj |
---|
165 | DO ji = fs_2, jpi ! vector opt. |
---|
166 | ztp1(ji,jj,jk) = SIGN( 1., ztp1(ji,jj,jk) ) & |
---|
167 | & * MIN( ABS( ztp1(ji ,jj,jk) ), & |
---|
168 | & 2.*ABS( zt1 (ji-1,jj,jk) ), & |
---|
169 | & 2.*ABS( zt1 (ji ,jj,jk) ) ) |
---|
170 | zsp1(ji,jj,jk) = SIGN( 1., zsp1(ji,jj,jk) ) & |
---|
171 | & * MIN( ABS( zsp1(ji ,jj,jk) ), & |
---|
172 | & 2.*ABS( zs1 (ji-1,jj,jk) ), & |
---|
173 | & 2.*ABS( zs1 (ji ,jj,jk) ) ) |
---|
174 | ztp2(ji,jj,jk) = SIGN( 1., ztp2(ji,jj,jk) ) & |
---|
175 | & * MIN( ABS( ztp2(ji,jj ,jk) ), & |
---|
176 | & 2.*ABS( zt2 (ji,jj-1,jk) ), & |
---|
177 | & 2.*ABS( zt2 (ji,jj ,jk) ) ) |
---|
178 | zsp2(ji,jj,jk) = SIGN( 1., zsp2(ji,jj,jk) ) & |
---|
179 | & * MIN( ABS( zsp2(ji,jj ,jk) ), & |
---|
180 | & 2.*ABS( zs2 (ji,jj-1,jk) ), & |
---|
181 | & 2.*ABS( zs2 (ji,jj ,jk) ) ) |
---|
182 | END DO |
---|
183 | END DO |
---|
184 | END DO |
---|
185 | |
---|
186 | ! Advection terms |
---|
187 | ! interior values |
---|
188 | DO jk = 1, jpkm1 |
---|
189 | zstep = z2 * rdttra(jk) |
---|
190 | DO jj = 2, jpjm1 |
---|
191 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
192 | ! volume fluxes |
---|
193 | #if defined key_s_coord || defined key_partial_steps |
---|
194 | zeu = e2u(ji,jj) * fse3u(ji,jj,jk) * zun(ji,jj,jk) |
---|
195 | zev = e1v(ji,jj) * fse3v(ji,jj,jk) * zvn(ji,jj,jk) |
---|
196 | #else |
---|
197 | zeu = e2u(ji,jj) * zun(ji,jj,jk) |
---|
198 | zev = e1v(ji,jj) * zvn(ji,jj,jk) |
---|
199 | #endif |
---|
200 | ! MUSCL fluxes |
---|
201 | z0u = SIGN( 0.5, zun(ji,jj,jk) ) |
---|
202 | zalpha = 0.5 - z0u |
---|
203 | zu = z0u - 0.5 * zun(ji,jj,jk) * zstep / e1u(ji,jj) |
---|
204 | zzt1 = tb(ji+1,jj,jk) + zu*ztp1(ji+1,jj,jk) |
---|
205 | zzt2 = tb(ji ,jj,jk) + zu*ztp1(ji ,jj,jk) |
---|
206 | zzs1 = sb(ji+1,jj,jk) + zu*zsp1(ji+1,jj,jk) |
---|
207 | zzs2 = sb(ji ,jj,jk) + zu*zsp1(ji ,jj,jk) |
---|
208 | zt1(ji,jj,jk) = zeu * ( zalpha * zzt1 + (1.-zalpha) * zzt2 ) |
---|
209 | zs1(ji,jj,jk) = zeu * ( zalpha * zzs1 + (1.-zalpha) * zzs2 ) |
---|
210 | |
---|
211 | z0v = SIGN( 0.5, zvn(ji,jj,jk) ) |
---|
212 | zalpha = 0.5 - z0v |
---|
213 | zv = z0v - 0.5 * zvn(ji,jj,jk) * zstep / e2v(ji,jj) |
---|
214 | zzt1 = tb(ji,jj+1,jk) + zv*ztp2(ji,jj+1,jk) |
---|
215 | zzt2 = tb(ji,jj ,jk) + zv*ztp2(ji,jj ,jk) |
---|
216 | zzs1 = sb(ji,jj+1,jk) + zv*zsp2(ji,jj+1,jk) |
---|
217 | zzs2 = sb(ji,jj ,jk) + zv*zsp2(ji,jj ,jk) |
---|
218 | zt2(ji,jj,jk) = zev * ( zalpha * zzt1 + (1.-zalpha) * zzt2 ) |
---|
219 | zs2(ji,jj,jk) = zev * ( zalpha * zzs1 + (1.-zalpha) * zzs2 ) |
---|
220 | END DO |
---|
221 | END DO |
---|
222 | END DO |
---|
223 | |
---|
224 | !!!! centered scheme at lateral b.C. if off-shore velocity |
---|
225 | DO jk = 1, jpkm1 |
---|
226 | DO jj = 2, jpjm1 |
---|
227 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
228 | #if defined key_s_coord || defined key_partial_steps |
---|
229 | zev = e1v(ji,jj) * fse3v(ji,jj,jk) |
---|
230 | IF( umask(ji,jj,jk) == 0. ) THEN |
---|
231 | IF( zun(ji+1,jj,jk) > 0. .AND. ji /= jpi ) THEN |
---|
232 | zt1(ji+1,jj,jk) = e2u(ji+1,jj)* fse3u(ji+1,jj,jk) & |
---|
233 | & * zun(ji+1,jj,jk) * ( tb(ji+1,jj,jk) + tb(ji+2,jj,jk) ) * 0.5 |
---|
234 | zs1(ji+1,jj,jk) = e2u(ji+1,jj)* fse3u(ji+1,jj,jk) & |
---|
235 | & * zun(ji+1,jj,jk) * ( sb(ji+1,jj,jk) + sb(ji+2,jj,jk) ) * 0.5 |
---|
236 | ENDIF |
---|
237 | IF( zun(ji-1,jj,jk) < 0. ) THEN |
---|
238 | zt1(ji-1,jj,jk) = e2u(ji-1,jj)* fse3u(ji-1,jj,jk) & |
---|
239 | & * zun(ji-1,jj,jk) * ( tb(ji-1,jj,jk) + tb(ji ,jj,jk) ) * 0.5 |
---|
240 | zs1(ji-1,jj,jk) = e2u(ji-1,jj)* fse3u(ji-1,jj,jk) & |
---|
241 | & * zun(ji-1,jj,jk) * ( sb(ji-1,jj,jk) + sb(ji ,jj,jk) ) * 0.5 |
---|
242 | ENDIF |
---|
243 | ENDIF |
---|
244 | IF( vmask(ji,jj,jk) == 0. ) THEN |
---|
245 | IF( zvn(ji,jj+1,jk) > 0. .AND. jj /= jpj ) THEN |
---|
246 | zt2(ji,jj+1,jk) = e1v(ji,jj+1) * fse3v(ji,jj+1,jk) & |
---|
247 | & * zvn(ji,jj+1,jk) * ( tb(ji,jj+1,jk) + tb(ji,jj+2,jk) ) * 0.5 |
---|
248 | zs2(ji,jj+1,jk) = e1v(ji,jj+1) * fse3v(ji,jj+1,jk) & |
---|
249 | & * zvn(ji,jj+1,jk) * ( sb(ji,jj+1,jk) + sb(ji,jj+2,jk) ) * 0.5 |
---|
250 | ENDIF |
---|
251 | IF( zvn(ji,jj-1,jk) < 0. ) THEN |
---|
252 | zt2(ji,jj-1,jk) = e1v(ji,jj-1)* fse3v(ji,jj-1,jk) & |
---|
253 | & * zvn(ji,jj-1,jk) * ( tb(ji,jj-1,jk) + tb(ji ,jj,jk) ) * 0.5 |
---|
254 | zs2(ji,jj-1,jk) = e1v(ji,jj-1)* fse3v(ji,jj-1,jk) & |
---|
255 | & * zvn(ji,jj-1,jk) * ( sb(ji,jj-1,jk) + sb(ji ,jj,jk) ) * 0.5 |
---|
256 | ENDIF |
---|
257 | ENDIF |
---|
258 | |
---|
259 | #else |
---|
260 | IF( umask(ji,jj,jk) == 0. ) THEN |
---|
261 | IF( zun(ji+1,jj,jk) > 0. .AND. ji /= jpi ) THEN |
---|
262 | zt1(ji+1,jj,jk) = e2u(ji+1,jj) * zun(ji+1,jj,jk) * ( tb(ji+1,jj,jk) + tb(ji+2,jj,jk) ) * 0.5 |
---|
263 | zs1(ji+1,jj,jk) = e2u(ji+1,jj) * zun(ji+1,jj,jk) * ( sb(ji+1,jj,jk) + sb(ji+2,jj,jk) ) * 0.5 |
---|
264 | ENDIF |
---|
265 | IF( zun(ji-1,jj,jk) < 0. ) THEN |
---|
266 | zt1(ji-1,jj,jk) = e2u(ji-1,jj) * zun(ji-1,jj,jk) * ( tb(ji-1,jj,jk) + tb(ji ,jj,jk) ) * 0.5 |
---|
267 | zs1(ji-1,jj,jk) = e2u(ji-1,jj) * zun(ji-1,jj,jk) * ( sb(ji-1,jj,jk) + sb(ji ,jj,jk) ) * 0.5 |
---|
268 | ENDIF |
---|
269 | ENDIF |
---|
270 | IF( vmask(ji,jj,jk) == 0. ) THEN |
---|
271 | IF( zvn(ji,jj+1,jk) > 0. .AND. jj /= jpj ) THEN |
---|
272 | zt2(ji,jj+1,jk) = e1v(ji,jj+1) * zvn(ji,jj+1,jk) * ( tb(ji,jj+1,jk) + tb(ji,jj+2,jk) ) * 0.5 |
---|
273 | zs2(ji,jj+1,jk) = e1v(ji,jj+1) * zvn(ji,jj+1,jk) * ( sb(ji,jj+1,jk) + sb(ji,jj+2,jk) ) * 0.5 |
---|
274 | ENDIF |
---|
275 | IF( zvn(ji,jj-1,jk) < 0. ) THEN |
---|
276 | zt2(ji,jj-1,jk) = e1v(ji,jj-1) * zvn(ji,jj-1,jk) * ( tb(ji,jj-1,jk) + tb(ji ,jj,jk) ) * 0.5 |
---|
277 | zs2(ji,jj-1,jk) = e1v(ji,jj-1) * zvn(ji,jj-1,jk) * ( sb(ji,jj-1,jk) + sb(ji ,jj,jk) ) * 0.5 |
---|
278 | ENDIF |
---|
279 | ENDIF |
---|
280 | #endif |
---|
281 | END DO |
---|
282 | END DO |
---|
283 | END DO |
---|
284 | |
---|
285 | ! lateral boundary conditions on zt1, zt2 ; zs1, zs2 (changed sign) |
---|
286 | CALL lbc_lnk( zt1, 'U', -1. ) ; CALL lbc_lnk( zs1, 'U', -1. ) |
---|
287 | CALL lbc_lnk( zt2, 'V', -1. ) ; CALL lbc_lnk( zs2, 'V', -1. ) |
---|
288 | |
---|
289 | ! Save MUSCL fluxes to compute i- & j- horizontal |
---|
290 | ! advection trends in the MLD |
---|
291 | IF( l_trdtra ) THEN |
---|
292 | ! save i- terms |
---|
293 | tladi(:,:,:) = zt1(:,:,:) |
---|
294 | sladi(:,:,:) = zs1(:,:,:) |
---|
295 | ! save j- terms |
---|
296 | tladj(:,:,:) = zt2(:,:,:) |
---|
297 | sladj(:,:,:) = zs2(:,:,:) |
---|
298 | ENDIF |
---|
299 | |
---|
300 | ! Compute & add the horizontal advective trend |
---|
301 | |
---|
302 | DO jk = 1, jpkm1 |
---|
303 | DO jj = 2, jpjm1 |
---|
304 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
305 | #if defined key_s_coord || defined key_partial_steps |
---|
306 | zbtr = 1. / ( e1t(ji,jj)*e2t(ji,jj)*fse3t(ji,jj,jk) ) |
---|
307 | #else |
---|
308 | zbtr = 1. / ( e1t(ji,jj)*e2t(ji,jj) ) |
---|
309 | #endif |
---|
310 | ! horizontal advective trends |
---|
311 | zta = - zbtr * ( zt1(ji,jj,jk) - zt1(ji-1,jj ,jk ) & |
---|
312 | & + zt2(ji,jj,jk) - zt2(ji ,jj-1,jk ) ) |
---|
313 | zsa = - zbtr * ( zs1(ji,jj,jk) - zs1(ji-1,jj ,jk ) & |
---|
314 | & + zs2(ji,jj,jk) - zs2(ji ,jj-1,jk ) ) |
---|
315 | ! add it to the general tracer trends |
---|
316 | ta(ji,jj,jk) = ta(ji,jj,jk) + zta |
---|
317 | sa(ji,jj,jk) = sa(ji,jj,jk) + zsa |
---|
318 | END DO |
---|
319 | END DO |
---|
320 | END DO |
---|
321 | |
---|
322 | ! Save the horizontal advective trends for diagnostic |
---|
323 | |
---|
324 | IF( l_trdtra ) THEN |
---|
325 | ! Recompute the hoizontal advection zta & zsa trends computed |
---|
326 | ! at the step 2. above in making the difference between the new |
---|
327 | ! trends and the previous one ta()/sa - ztdta()/ztdsa() and add |
---|
328 | ! the term tn()/sn()*hdivn() to recover the Uh gradh(T/S) trends |
---|
329 | ztdta(:,:,:) = ta(:,:,:) - ztdta(:,:,:) + tn(:,:,:) * hdivn(:,:,:) |
---|
330 | ztdsa(:,:,:) = sa(:,:,:) - ztdsa(:,:,:) + sn(:,:,:) * hdivn(:,:,:) |
---|
331 | |
---|
332 | CALL trd_mod(ztdta, ztdsa, jpttdlad, 'TRA', kt) |
---|
333 | |
---|
334 | ! Save the new ta and sa trends |
---|
335 | ztdta(:,:,:) = ta(:,:,:) |
---|
336 | ztdsa(:,:,:) = sa(:,:,:) |
---|
337 | |
---|
338 | ENDIF |
---|
339 | |
---|
340 | IF(l_ctl) THEN |
---|
341 | zta = SUM( ta(2:nictl,2:njctl,1:jpkm1) * tmask(2:nictl,2:njctl,1:jpkm1) ) |
---|
342 | zsa = SUM( sa(2:nictl,2:njctl,1:jpkm1) * tmask(2:nictl,2:njctl,1:jpkm1) ) |
---|
343 | WRITE(numout,*) ' had - Ta: ', zta-t_ctl, ' Sa: ', zsa-s_ctl, ' muscl' |
---|
344 | t_ctl = zta ; s_ctl = zsa |
---|
345 | ENDIF |
---|
346 | |
---|
347 | ! "zonal" mean advective heat and salt transport |
---|
348 | IF( ln_diaptr .AND. ( MOD( kt, nf_ptr ) == 0 ) ) THEN |
---|
349 | # if defined key_s_coord || defined key_partial_steps |
---|
350 | pht_adv(:) = ptr_vj( zt2(:,:,:) ) |
---|
351 | pst_adv(:) = ptr_vj( zs2(:,:,:) ) |
---|
352 | # else |
---|
353 | DO jk = 1, jpkm1 |
---|
354 | DO jj = 2, jpjm1 |
---|
355 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
356 | zt2(ji,jj,jk) = zt2(ji,jj,jk) * fse3v(ji,jj,jk) |
---|
357 | zs2(ji,jj,jk) = zs2(ji,jj,jk) * fse3v(ji,jj,jk) |
---|
358 | END DO |
---|
359 | END DO |
---|
360 | END DO |
---|
361 | pht_adv(:) = ptr_vj( zt2(:,:,:) ) |
---|
362 | pst_adv(:) = ptr_vj( zs2(:,:,:) ) |
---|
363 | # endif |
---|
364 | ENDIF |
---|
365 | |
---|
366 | ! II. Vertical advective fluxes |
---|
367 | ! ----------------------------- |
---|
368 | |
---|
369 | ! First guess of the slope |
---|
370 | ! interior values |
---|
371 | DO jk = 2, jpkm1 |
---|
372 | zt1(:,:,jk) = tmask(:,:,jk) * ( tb(:,:,jk-1) - tb(:,:,jk) ) |
---|
373 | zs1(:,:,jk) = tmask(:,:,jk) * ( sb(:,:,jk-1) - sb(:,:,jk) ) |
---|
374 | END DO |
---|
375 | ! surface & bottom boundary conditions |
---|
376 | zt1 (:,:, 1 ) = 0.e0 ; zt1 (:,:,jpk) = 0.e0 |
---|
377 | zs1 (:,:, 1 ) = 0.e0 ; zs1 (:,:,jpk) = 0.e0 |
---|
378 | |
---|
379 | ! Slopes |
---|
380 | DO jk = 2, jpkm1 |
---|
381 | DO jj = 1, jpj |
---|
382 | DO ji = 1, jpi |
---|
383 | ztp1(ji,jj,jk) = ( zt1(ji,jj,jk) + zt1(ji,jj,jk+1) ) & |
---|
384 | & * ( 0.25 + SIGN( 0.25, zt1(ji,jj,jk) * zt1(ji,jj,jk+1) ) ) |
---|
385 | zsp1(ji,jj,jk) = ( zs1(ji,jj,jk) + zs1(ji,jj,jk+1) ) & |
---|
386 | & * ( 0.25 + SIGN( 0.25, zs1(ji,jj,jk) * zs1(ji,jj,jk+1) ) ) |
---|
387 | END DO |
---|
388 | END DO |
---|
389 | END DO |
---|
390 | |
---|
391 | ! Slopes limitation |
---|
392 | ! interior values |
---|
393 | DO jk = 2, jpkm1 |
---|
394 | DO jj = 1, jpj |
---|
395 | DO ji = 1, jpi |
---|
396 | ztp1(ji,jj,jk) = SIGN( 1., ztp1(ji,jj,jk) ) & |
---|
397 | & * MIN( ABS( ztp1(ji,jj,jk ) ), & |
---|
398 | & 2.*ABS( zt1 (ji,jj,jk+1) ), & |
---|
399 | & 2.*ABS( zt1 (ji,jj,jk ) ) ) |
---|
400 | zsp1(ji,jj,jk) = SIGN( 1., zsp1(ji,jj,jk) ) & |
---|
401 | & * MIN( ABS( zsp1(ji,jj,jk ) ), & |
---|
402 | & 2.*ABS( zs1 (ji,jj,jk+1) ), & |
---|
403 | & 2.*ABS( zs1 (ji,jj,jk ) ) ) |
---|
404 | END DO |
---|
405 | END DO |
---|
406 | END DO |
---|
407 | ! surface values |
---|
408 | ztp1(:,:,1) = 0.e0 |
---|
409 | zsp1(:,:,1) = 0.e0 |
---|
410 | |
---|
411 | ! vertical advective flux |
---|
412 | ! interior values |
---|
413 | DO jk = 1, jpkm1 |
---|
414 | zstep = z2 * rdttra(jk) |
---|
415 | DO jj = 2, jpjm1 |
---|
416 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
417 | zew = zwn(ji,jj,jk+1) |
---|
418 | z0w = SIGN( 0.5, zwn(ji,jj,jk+1) ) |
---|
419 | zalpha = 0.5 + z0w |
---|
420 | zw = z0w - 0.5 * zwn(ji,jj,jk+1)*zstep / fse3w(ji,jj,jk+1) |
---|
421 | zzt1 = tb(ji,jj,jk+1) + zw*ztp1(ji,jj,jk+1) |
---|
422 | zzt2 = tb(ji,jj,jk ) + zw*ztp1(ji,jj,jk ) |
---|
423 | zzs1 = sb(ji,jj,jk+1) + zw*zsp1(ji,jj,jk+1) |
---|
424 | zzs2 = sb(ji,jj,jk ) + zw*zsp1(ji,jj,jk ) |
---|
425 | zt1(ji,jj,jk+1) = zew * ( zalpha * zzt1 + (1.-zalpha)*zzt2 ) |
---|
426 | zs1(ji,jj,jk+1) = zew * ( zalpha * zzs1 + (1.-zalpha)*zzs2 ) |
---|
427 | END DO |
---|
428 | END DO |
---|
429 | END DO |
---|
430 | DO jk = 2, jpkm1 |
---|
431 | DO jj = 2, jpjm1 |
---|
432 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
433 | IF( tmask(ji,jj,jk+1) == 0. ) THEN |
---|
434 | IF( zwn(ji,jj,jk) > 0. ) THEN |
---|
435 | zt1(ji,jj,jk) = zwn(ji,jj,jk) * ( tb(ji,jj,jk-1) + tb(ji,jj,jk) ) * 0.5 |
---|
436 | zs1(ji,jj,jk) = zwn(ji,jj,jk) * ( sb(ji,jj,jk-1) + sb(ji,jj,jk) ) * 0.5 |
---|
437 | ENDIF |
---|
438 | ENDIF |
---|
439 | END DO |
---|
440 | END DO |
---|
441 | END DO |
---|
442 | |
---|
443 | ! surface values |
---|
444 | IF( lk_dynspg_fsc .OR. lk_dynspg_fsc_tsk ) THEN ! free surface-constant volume |
---|
445 | zt1(:,:, 1 ) = zwn(:,:,1) * tb(:,:,1) |
---|
446 | zs1(:,:, 1 ) = zwn(:,:,1) * sb(:,:,1) |
---|
447 | ELSE ! rigid lid : flux set to zero |
---|
448 | zt1(:,:, 1 ) = 0.e0 |
---|
449 | zs1(:,:, 1 ) = 0.e0 |
---|
450 | ENDIF |
---|
451 | |
---|
452 | ! bottom values |
---|
453 | zt1(:,:,jpk) = 0.e0 |
---|
454 | zs1(:,:,jpk) = 0.e0 |
---|
455 | |
---|
456 | |
---|
457 | ! Compute & add the vertical advective trend |
---|
458 | |
---|
459 | DO jk = 1, jpkm1 |
---|
460 | DO jj = 2, jpjm1 |
---|
461 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
462 | zbtr = 1. / fse3t(ji,jj,jk) |
---|
463 | ! horizontal advective trends |
---|
464 | zta = - zbtr * ( zt1(ji,jj,jk) - zt1(ji,jj,jk+1) ) |
---|
465 | zsa = - zbtr * ( zs1(ji,jj,jk) - zs1(ji,jj,jk+1) ) |
---|
466 | ! add it to the general tracer trends |
---|
467 | ta(ji,jj,jk) = ta(ji,jj,jk) + zta |
---|
468 | sa(ji,jj,jk) = sa(ji,jj,jk) + zsa |
---|
469 | END DO |
---|
470 | END DO |
---|
471 | END DO |
---|
472 | |
---|
473 | ! Save the vertical advective trends for diagnostic |
---|
474 | |
---|
475 | IF( l_trdtra ) THEN |
---|
476 | ! Recompute the vertical advection zta & zsa trends computed |
---|
477 | ! at the step 2. above in making the difference between the new |
---|
478 | ! trends and the previous one: ta()/sa - ztdta()/ztdsa() and substract |
---|
479 | ! the term tn()/sn()*hdivn() to recover the W gradz(T/S) trends |
---|
480 | ztdta(:,:,:) = ta(:,:,:) - ztdta(:,:,:) - tn(:,:,:) * hdivn(:,:,:) |
---|
481 | ztdsa(:,:,:) = sa(:,:,:) - ztdsa(:,:,:) - sn(:,:,:) * hdivn(:,:,:) |
---|
482 | |
---|
483 | CALL trd_mod(ztdta, ztdsa, jpttdzad, 'TRA', kt) |
---|
484 | ENDIF |
---|
485 | |
---|
486 | IF(l_ctl) THEN |
---|
487 | zta = SUM( ta(2:nictl,2:njctl,1:jpkm1) * tmask(2:nictl,2:njctl,1:jpkm1) ) |
---|
488 | zsa = SUM( sa(2:nictl,2:njctl,1:jpkm1) * tmask(2:nictl,2:njctl,1:jpkm1) ) |
---|
489 | WRITE(numout,*) ' zad - Ta: ', zta-t_ctl, ' Sa: ', zsa-s_ctl, ' muscl2' |
---|
490 | t_ctl = zta ; s_ctl = zsa |
---|
491 | ENDIF |
---|
492 | |
---|
493 | END SUBROUTINE tra_adv_muscl2 |
---|
494 | |
---|
495 | !!====================================================================== |
---|
496 | END MODULE traadv_muscl2 |
---|