1 | MODULE trabbl |
---|
2 | !!============================================================================== |
---|
3 | !! *** MODULE trabbl *** |
---|
4 | !! Ocean physics : advective and/or diffusive bottom boundary layer scheme |
---|
5 | !!============================================================================== |
---|
6 | #if defined key_trabbl_dif || defined key_trabbl_adv || defined key_esopa |
---|
7 | !!---------------------------------------------------------------------- |
---|
8 | !! 'key_trabbl_dif' or diffusive bottom boundary layer |
---|
9 | !! 'key_trabbl_adv' advective bottom boundary layer |
---|
10 | !!---------------------------------------------------------------------- |
---|
11 | !! tra_bbl_dif : update the active tracer trends due to the bottom |
---|
12 | !! boundary layer (diffusive only) |
---|
13 | !! tra_bbl_adv : update the active tracer trends due to the bottom |
---|
14 | !! boundary layer (advective and/or diffusive) |
---|
15 | !! tra_bbl_init : initialization, namlist read, parameters control |
---|
16 | !!---------------------------------------------------------------------- |
---|
17 | !! * Modules used |
---|
18 | USE oce ! ocean dynamics and active tracers |
---|
19 | USE dom_oce ! ocean space and time domain |
---|
20 | USE trdmod_oce ! ocean variables trends |
---|
21 | USE in_out_manager ! I/O manager |
---|
22 | |
---|
23 | IMPLICIT NONE |
---|
24 | PRIVATE |
---|
25 | |
---|
26 | !! * Routine accessibility |
---|
27 | PUBLIC tra_bbl_dif ! routine called by step.F90 |
---|
28 | PUBLIC tra_bbl_adv ! routine called by step.F90 |
---|
29 | |
---|
30 | !! * Shared module variables |
---|
31 | LOGICAL, PUBLIC, PARAMETER :: & !: |
---|
32 | lk_trabbl_dif = .TRUE. !: diffusive bottom boundary layer flag |
---|
33 | REAL(wp), PUBLIC :: & !!: * bbl namelist * |
---|
34 | atrbbl = 1.e+3 !: lateral coeff. for bottom boundary |
---|
35 | ! ! layer scheme (m2/s) |
---|
36 | # if defined key_trabbl_adv |
---|
37 | LOGICAL, PUBLIC, PARAMETER :: & !: |
---|
38 | lk_trabbl_adv = .TRUE. !: advective bottom boundary layer flag |
---|
39 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & !: |
---|
40 | u_bbl, v_bbl, & !: velocity involved in exhanges in the advective BBL |
---|
41 | w_bbl !: vertical increment of velocity due to advective BBL |
---|
42 | ! ! only affect tracer vertical advection |
---|
43 | # else |
---|
44 | LOGICAL, PUBLIC, PARAMETER :: & !: |
---|
45 | lk_trabbl_adv = .FALSE. !: advective bottom boundary layer flag |
---|
46 | # endif |
---|
47 | |
---|
48 | !! * Module variables |
---|
49 | INTEGER, DIMENSION(jpi,jpj) :: & !: |
---|
50 | mbkt, & ! vertical index of the bottom ocean T-level |
---|
51 | mbku, mbkv ! vertical index of the bottom ocean U/V-level |
---|
52 | |
---|
53 | !! * Substitutions |
---|
54 | # include "domzgr_substitute.h90" |
---|
55 | # include "vectopt_loop_substitute.h90" |
---|
56 | !!---------------------------------------------------------------------- |
---|
57 | !! OPA 9.0 , LODYC-IPSL (2003) |
---|
58 | !!---------------------------------------------------------------------- |
---|
59 | |
---|
60 | CONTAINS |
---|
61 | |
---|
62 | SUBROUTINE tra_bbl_dif( kt ) |
---|
63 | !!---------------------------------------------------------------------- |
---|
64 | !! *** ROUTINE tra_bbl_dif *** |
---|
65 | !! |
---|
66 | !! ** Purpose : Compute the before tracer (t & s) trend associated |
---|
67 | !! with the bottom boundary layer and add it to the general trend |
---|
68 | !! of tracer equations. The bottom boundary layer is supposed to be |
---|
69 | !! a purely diffusive bottom boundary layer. |
---|
70 | !! |
---|
71 | !! ** Method : When the product grad( rho) * grad(h) < 0 (where grad |
---|
72 | !! is an along bottom slope gradient) an additional lateral diffu- |
---|
73 | !! sive trend along the bottom slope is added to the general tracer |
---|
74 | !! trend, otherwise nothing is done. |
---|
75 | !! Second order operator (laplacian type) with variable coefficient |
---|
76 | !! computed as follow for temperature (idem on s): |
---|
77 | !! difft = 1/(e1t*e2t*e3t) { di-1[ ahbt e2u*e3u/e1u di[ztb] ] |
---|
78 | !! + dj-1[ ahbt e1v*e3v/e2v dj[ztb] ] } |
---|
79 | !! where ztb is a 2D array: the bottom ocean temperature and ahtb |
---|
80 | !! is a time and space varying diffusive coefficient defined by: |
---|
81 | !! ahbt = zahbp if grad(rho).grad(h) < 0 |
---|
82 | !! = 0. otherwise. |
---|
83 | !! Note that grad(.) is the along bottom slope gradient. grad(rho) |
---|
84 | !! is evaluated using the local density (i.e. referenced at the |
---|
85 | !! local depth). Typical value of ahbt is 2000 m2/s (equivalent to |
---|
86 | !! a downslope velocity of 20 cm/s if the condition for slope |
---|
87 | !! convection is satified) |
---|
88 | !! Add this before trend to the general trend (ta,sa) of the |
---|
89 | !! botton ocean tracer point: |
---|
90 | !! ta = ta + difft |
---|
91 | !! |
---|
92 | !! ** Action : - update (ta,sa) at the bottom level with the bottom |
---|
93 | !! boundary layer trend |
---|
94 | !! - save the trends in tldfbbl/sldfbbl ('key_trdtra') |
---|
95 | !! |
---|
96 | !! References : |
---|
97 | !! Beckmann, A., and R. Doscher, 1997, J. Phys.Oceanogr., 581-591. |
---|
98 | !! |
---|
99 | !! History : |
---|
100 | !! 8.0 ! 96-06 (L. Mortier) Original code |
---|
101 | !! 8.0 ! 97-11 (G. Madec) Optimization |
---|
102 | !! 8.5 ! 02-08 (G. Madec) free form + modules |
---|
103 | !! 9.0 ! 04-08 (C. Talandier) New trends organization |
---|
104 | !!---------------------------------------------------------------------- |
---|
105 | !! * Modules used |
---|
106 | USE oce, ONLY : ztdta => ua, & ! use ua as 3D workspace |
---|
107 | ztdsa => va ! use va as 3D workspace |
---|
108 | |
---|
109 | !! * Arguments |
---|
110 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
---|
111 | |
---|
112 | !! * Local declarations |
---|
113 | INTEGER :: ji, jj ! dummy loop indices |
---|
114 | INTEGER :: ik |
---|
115 | INTEGER :: ii0, ii1, ij0, ij1 ! temporary integers |
---|
116 | # if defined key_partial_steps |
---|
117 | INTEGER :: iku1, iku2, ikv1,ikv2 ! temporary intergers |
---|
118 | REAL(wp) :: ze3u, ze3v ! temporary scalars |
---|
119 | # else |
---|
120 | INTEGER :: iku, ikv |
---|
121 | # endif |
---|
122 | REAL(wp) :: & |
---|
123 | zsign, zt, zs, zh, zalbet, & ! temporary scalars |
---|
124 | zgdrho, zbtr, zta, zsa |
---|
125 | REAL(wp), DIMENSION(jpi,jpj) :: & |
---|
126 | zki, zkj, zkw, zkx, zky, zkz, & ! temporary workspace arrays |
---|
127 | ztnb, zsnb, zdep, & |
---|
128 | ztbb, zsbb, zahu, zahv |
---|
129 | REAL(wp) :: & |
---|
130 | fsalbt, pft, pfs, pfh ! statement function |
---|
131 | !!---------------------------------------------------------------------- |
---|
132 | ! ratio alpha/beta |
---|
133 | ! ================ |
---|
134 | ! fsalbt: ratio of thermal over saline expension coefficients |
---|
135 | ! pft : potential temperature in degrees celcius |
---|
136 | ! pfs : salinity anomaly (s-35) in psu |
---|
137 | ! pfh : depth in meters |
---|
138 | |
---|
139 | fsalbt( pft, pfs, pfh ) = & |
---|
140 | ( ( ( -0.255019e-07 * pft + 0.298357e-05 ) * pft & |
---|
141 | - 0.203814e-03 ) * pft & |
---|
142 | + 0.170907e-01 ) * pft & |
---|
143 | + 0.665157e-01 & |
---|
144 | +(-0.678662e-05 * pfs - 0.846960e-04 * pft + 0.378110e-02 ) * pfs & |
---|
145 | + ( ( - 0.302285e-13 * pfh & |
---|
146 | - 0.251520e-11 * pfs & |
---|
147 | + 0.512857e-12 * pft * pft ) * pfh & |
---|
148 | - 0.164759e-06 * pfs & |
---|
149 | +( 0.791325e-08 * pft - 0.933746e-06 ) * pft & |
---|
150 | + 0.380374e-04 ) * pfh |
---|
151 | !!---------------------------------------------------------------------- |
---|
152 | |
---|
153 | IF( kt == nit000 ) CALL tra_bbl_init |
---|
154 | |
---|
155 | ! Save ta and sa trends |
---|
156 | IF( l_trdtra ) THEN |
---|
157 | ztdta(:,:,:) = ta(:,:,:) |
---|
158 | ztdsa(:,:,:) = sa(:,:,:) |
---|
159 | ENDIF |
---|
160 | |
---|
161 | ! 0. 2D fields of bottom temperature and salinity, and bottom slope |
---|
162 | ! ----------------------------------------------------------------- |
---|
163 | ! mbathy= number of w-level, minimum value=1 (cf dommsk.F) |
---|
164 | |
---|
165 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
166 | jj = 1 |
---|
167 | DO ji = 1, jpij ! vector opt. (forced unrolling) |
---|
168 | # else |
---|
169 | DO jj = 1, jpj |
---|
170 | DO ji = 1, jpi |
---|
171 | # endif |
---|
172 | ik = mbkt(ji,jj) ! index of the bottom ocean T-level |
---|
173 | ztnb(ji,jj) = tn(ji,jj,ik) * tmask(ji,jj,1) ! masked now T and S at ocean bottom |
---|
174 | zsnb(ji,jj) = sn(ji,jj,ik) * tmask(ji,jj,1) |
---|
175 | ztbb(ji,jj) = tb(ji,jj,ik) * tmask(ji,jj,1) ! masked before T and S at ocean bottom |
---|
176 | zsbb(ji,jj) = sb(ji,jj,ik) * tmask(ji,jj,1) |
---|
177 | zdep(ji,jj) = fsdept(ji,jj,ik) ! depth of the ocean bottom T-level |
---|
178 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
179 | END DO |
---|
180 | # endif |
---|
181 | END DO |
---|
182 | |
---|
183 | # if defined key_partial_steps |
---|
184 | ! partial steps correction |
---|
185 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
186 | jj = 1 |
---|
187 | DO ji = 1, jpij-jpi ! vector opt. (forced unrolling) |
---|
188 | # else |
---|
189 | DO jj = 1, jpjm1 |
---|
190 | DO ji = 1, jpim1 |
---|
191 | # endif |
---|
192 | iku1 = MAX( mbathy(ji+1,jj )-1, 1 ) |
---|
193 | iku2 = MAX( mbathy(ji ,jj )-1, 1 ) |
---|
194 | ikv1 = MAX( mbathy(ji ,jj+1)-1, 1 ) |
---|
195 | ikv2 = MAX( mbathy(ji ,jj )-1, 1 ) |
---|
196 | ze3u = MIN( fse3u(ji,jj,iku1), fse3u(ji,jj,iku2) ) |
---|
197 | ze3v = MIN( fse3v(ji,jj,ikv1), fse3v(ji,jj,ikv2) ) |
---|
198 | zahu(ji,jj) = atrbbl * e2u(ji,jj) * ze3u / e1u(ji,jj) * umask(ji,jj,1) |
---|
199 | zahv(ji,jj) = atrbbl * e1v(ji,jj) * ze3v / e2v(ji,jj) * vmask(ji,jj,1) |
---|
200 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
201 | END DO |
---|
202 | # endif |
---|
203 | END DO |
---|
204 | # else |
---|
205 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
206 | jj = 1 |
---|
207 | DO ji = 1, jpij-jpi ! vector opt. (forced unrolling) |
---|
208 | # else |
---|
209 | DO jj = 1, jpjm1 |
---|
210 | DO ji = 1, jpim1 |
---|
211 | # endif |
---|
212 | iku = mbku(ji,jj) |
---|
213 | ikv = mbkv(ji,jj) |
---|
214 | zahu(ji,jj) = atrbbl * e2u(ji,jj) * fse3u(ji,jj,iku) / e1u(ji,jj) * umask(ji,jj,1) |
---|
215 | zahv(ji,jj) = atrbbl * e1v(ji,jj) * fse3v(ji,jj,ikv) / e2v(ji,jj) * vmask(ji,jj,1) |
---|
216 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
217 | END DO |
---|
218 | # endif |
---|
219 | END DO |
---|
220 | # endif |
---|
221 | |
---|
222 | ! 1. Criteria of additional bottom diffusivity: grad(rho).grad(h)<0 |
---|
223 | ! -------------------------------------------- |
---|
224 | ! Sign of the local density gradient along the i- and j-slopes |
---|
225 | ! multiplied by the slope of the ocean bottom |
---|
226 | |
---|
227 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
228 | jj = 1 |
---|
229 | DO ji = 1, jpij-jpi ! vector opt. (forced unrolling) |
---|
230 | # else |
---|
231 | DO jj = 1, jpjm1 |
---|
232 | DO ji = 1, jpim1 |
---|
233 | # endif |
---|
234 | ! temperature, salinity anomalie and depth |
---|
235 | zt = 0.5 * ( ztnb(ji,jj) + ztnb(ji+1,jj) ) |
---|
236 | zs = 0.5 * ( zsnb(ji,jj) + zsnb(ji+1,jj) ) - 35.0 |
---|
237 | zh = 0.5 * ( zdep(ji,jj) + zdep(ji+1,jj) ) |
---|
238 | ! masked ratio alpha/beta |
---|
239 | zalbet = fsalbt( zt, zs, zh )*umask(ji,jj,1) |
---|
240 | ! local density gradient along i-bathymetric slope |
---|
241 | zgdrho = zalbet * ( ztnb(ji+1,jj) - ztnb(ji,jj) ) & |
---|
242 | - ( zsnb(ji+1,jj) - zsnb(ji,jj) ) |
---|
243 | ! sign of local i-gradient of density multiplied by the i-slope |
---|
244 | zsign = SIGN( 0.5, - zgdrho * ( zdep(ji+1,jj) - zdep(ji,jj) ) ) |
---|
245 | zki(ji,jj) = ( 0.5 - zsign ) * zahu(ji,jj) |
---|
246 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
247 | END DO |
---|
248 | # endif |
---|
249 | END DO |
---|
250 | |
---|
251 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
252 | jj = 1 |
---|
253 | DO ji = 1, jpij-jpi ! vector opt. (forced unrolling) |
---|
254 | # else |
---|
255 | DO jj = 1, jpjm1 |
---|
256 | DO ji = 1, jpim1 |
---|
257 | # endif |
---|
258 | ! temperature, salinity anomalie and depth |
---|
259 | zt = 0.5 * ( ztnb(ji,jj+1) + ztnb(ji,jj) ) |
---|
260 | zs = 0.5 * ( zsnb(ji,jj+1) + zsnb(ji,jj) ) - 35.0 |
---|
261 | zh = 0.5 * ( zdep(ji,jj+1) + zdep(ji,jj) ) |
---|
262 | ! masked ratio alpha/beta |
---|
263 | zalbet = fsalbt( zt, zs, zh )*vmask(ji,jj,1) |
---|
264 | ! local density gradient along j-bathymetric slope |
---|
265 | zgdrho = zalbet * ( ztnb(ji,jj+1) - ztnb(ji,jj) ) & |
---|
266 | - ( zsnb(ji,jj+1) - zsnb(ji,jj) ) |
---|
267 | ! sign of local j-gradient of density multiplied by the j-slope |
---|
268 | zsign = sign( 0.5, -zgdrho * ( zdep(ji,jj+1) - zdep(ji,jj) ) ) |
---|
269 | zkj(ji,jj) = ( 0.5 - zsign ) * zahv(ji,jj) |
---|
270 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
271 | END DO |
---|
272 | # endif |
---|
273 | END DO |
---|
274 | |
---|
275 | |
---|
276 | ! 2. Additional second order diffusive trends |
---|
277 | ! ------------------------------------------- |
---|
278 | |
---|
279 | ! first derivative (gradient) |
---|
280 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
281 | jj = 1 |
---|
282 | DO ji = 1, jpij-jpi ! vector opt. (forced unrolling) |
---|
283 | # else |
---|
284 | DO jj = 1, jpjm1 |
---|
285 | DO ji = 1, jpim1 |
---|
286 | # endif |
---|
287 | zkx(ji,jj) = zki(ji,jj) * ( ztbb(ji+1,jj) - ztbb(ji,jj) ) |
---|
288 | zkz(ji,jj) = zki(ji,jj) * ( zsbb(ji+1,jj) - zsbb(ji,jj) ) |
---|
289 | |
---|
290 | zky(ji,jj) = zkj(ji,jj) * ( ztbb(ji,jj+1) - ztbb(ji,jj) ) |
---|
291 | zkw(ji,jj) = zkj(ji,jj) * ( zsbb(ji,jj+1) - zsbb(ji,jj) ) |
---|
292 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
293 | END DO |
---|
294 | # endif |
---|
295 | END DO |
---|
296 | |
---|
297 | IF( cp_cfg == "orca" ) THEN |
---|
298 | |
---|
299 | SELECT CASE ( jp_cfg ) |
---|
300 | ! ! ======================= |
---|
301 | CASE ( 2 ) ! ORCA_R2 configuration |
---|
302 | ! ! ======================= |
---|
303 | ! Gibraltar enhancement of BBL |
---|
304 | ij0 = 102 ; ij1 = 102 |
---|
305 | ii0 = 139 ; ii1 = 140 |
---|
306 | zkx( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 4.e0 * zkx( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) |
---|
307 | zky( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 4.e0 * zky( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) |
---|
308 | |
---|
309 | ! Red Sea enhancement of BBL |
---|
310 | ij0 = 88 ; ij1 = 88 |
---|
311 | ii0 = 161 ; ii1 = 162 |
---|
312 | zkx( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 10.e0 * zkx( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) |
---|
313 | zky( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 10.e0 * zky( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) |
---|
314 | |
---|
315 | ! ! ======================= |
---|
316 | CASE ( 4 ) ! ORCA_R4 configuration |
---|
317 | ! ! ======================= |
---|
318 | ! Gibraltar enhancement of BBL |
---|
319 | ij0 = 52 ; ij1 = 52 |
---|
320 | ii0 = 70 ; ii1 = 71 |
---|
321 | zkx( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 4.e0 * zkx( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) |
---|
322 | zky( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 4.e0 * zky( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) |
---|
323 | |
---|
324 | END SELECT |
---|
325 | |
---|
326 | ENDIF |
---|
327 | |
---|
328 | |
---|
329 | ! second derivative (divergence) and add to the general tracer trend |
---|
330 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
331 | jj = 1 |
---|
332 | DO ji = jpi+2, jpij-jpi-1 ! vector opt. (forced unrolling) |
---|
333 | # else |
---|
334 | DO jj = 2, jpjm1 |
---|
335 | DO ji = 2, jpim1 |
---|
336 | # endif |
---|
337 | ik = max( mbathy(ji,jj)-1, 1 ) |
---|
338 | zbtr = 1. / ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,ik) ) |
---|
339 | zta = ( zkx(ji,jj) - zkx(ji-1,jj ) & |
---|
340 | + zky(ji,jj) - zky(ji ,jj-1) ) * zbtr |
---|
341 | zsa = ( zkz(ji,jj) - zkz(ji-1,jj ) & |
---|
342 | + zkw(ji,jj) - zkw(ji ,jj-1) ) * zbtr |
---|
343 | ta(ji,jj,ik) = ta(ji,jj,ik) + zta |
---|
344 | sa(ji,jj,ik) = sa(ji,jj,ik) + zsa |
---|
345 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
346 | END DO |
---|
347 | # endif |
---|
348 | END DO |
---|
349 | |
---|
350 | ! save the trends for diagnostic |
---|
351 | ! BBL lateral diffusion tracers trends |
---|
352 | IF( l_trdtra ) THEN |
---|
353 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
354 | jj = 1 |
---|
355 | DO ji = jpi+2, jpij-jpi-1 ! vector opt. (forced unrolling) |
---|
356 | # else |
---|
357 | DO jj = 2, jpjm1 |
---|
358 | DO ji = 2, jpim1 |
---|
359 | # endif |
---|
360 | ik = max( mbathy(ji,jj)-1, 1 ) |
---|
361 | tldfbbl(ji,jj) = ta(ji,jj,ik) - ztdta(ji,jj,ik) |
---|
362 | sldfbbl(ji,jj) = sa(ji,jj,ik) - ztdsa(ji,jj,ik) |
---|
363 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
364 | END DO |
---|
365 | # endif |
---|
366 | END DO |
---|
367 | |
---|
368 | ENDIF |
---|
369 | |
---|
370 | IF(l_ctl) THEN |
---|
371 | zta = SUM( ta(2:nictl,2:njctl,1:jpkm1) * tmask(2:nictl,2:njctl,1:jpkm1) ) |
---|
372 | zsa = SUM( sa(2:nictl,2:njctl,1:jpkm1) * tmask(2:nictl,2:njctl,1:jpkm1) ) |
---|
373 | WRITE(numout,*) ' bbl - Ta: ', zta-t_ctl, ' Sa: ', zsa-s_ctl |
---|
374 | t_ctl = zta ; s_ctl = zsa |
---|
375 | ENDIF |
---|
376 | |
---|
377 | END SUBROUTINE tra_bbl_dif |
---|
378 | |
---|
379 | # if defined key_trabbl_adv |
---|
380 | !!---------------------------------------------------------------------- |
---|
381 | !! 'key_trabbl_adv' advective bottom boundary layer |
---|
382 | !!---------------------------------------------------------------------- |
---|
383 | # include "trabbl_adv.h90" |
---|
384 | # else |
---|
385 | !!---------------------------------------------------------------------- |
---|
386 | !! Default option : NO advective bottom boundary layer |
---|
387 | !!---------------------------------------------------------------------- |
---|
388 | SUBROUTINE tra_bbl_adv (kt ) ! Empty routine |
---|
389 | INTEGER, INTENT(in) :: kt |
---|
390 | WRITE(*,*) 'tra_bbl_adv: You should not have seen this print! error?', kt |
---|
391 | END SUBROUTINE tra_bbl_adv |
---|
392 | # endif |
---|
393 | |
---|
394 | SUBROUTINE tra_bbl_init |
---|
395 | !!---------------------------------------------------------------------- |
---|
396 | !! *** ROUTINE tra_bbl_init *** |
---|
397 | !! |
---|
398 | !! ** Purpose : Initialization for the bottom boundary layer scheme. |
---|
399 | !! |
---|
400 | !! ** Method : Read the nambbl namelist and check the parameters |
---|
401 | !! called by tra_bbl at the first timestep (nit000) |
---|
402 | !! |
---|
403 | !! History : |
---|
404 | !! 8.5 ! 02-08 (G. Madec) Original code |
---|
405 | !!---------------------------------------------------------------------- |
---|
406 | !! * Local declarations |
---|
407 | INTEGER :: ji, jj ! dummy loop indices |
---|
408 | NAMELIST/nambbl/ atrbbl |
---|
409 | !!---------------------------------------------------------------------- |
---|
410 | |
---|
411 | ! Read Namelist nambbl : bottom boundary layer scheme |
---|
412 | ! -------------------- |
---|
413 | REWIND ( numnam ) |
---|
414 | READ ( numnam, nambbl ) |
---|
415 | |
---|
416 | |
---|
417 | ! Parameter control and print |
---|
418 | ! --------------------------- |
---|
419 | IF(lwp) THEN |
---|
420 | WRITE(numout,*) |
---|
421 | WRITE(numout,*) 'tra_bbl_init : * Diffusive Bottom Boundary Layer' |
---|
422 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
423 | IF( lk_trabbl_adv ) THEN |
---|
424 | WRITE(numout,*) ' * Advective Bottom Boundary Layer' |
---|
425 | ENDIF |
---|
426 | WRITE(numout,*) ' Namelist nambbl : set bbl parameters' |
---|
427 | WRITE(numout,*) |
---|
428 | WRITE(numout,*) ' bottom boundary layer coef. atrbbl = ', atrbbl |
---|
429 | WRITE(numout,*) |
---|
430 | ENDIF |
---|
431 | |
---|
432 | DO jj = 1, jpj |
---|
433 | DO ji = 1, jpi |
---|
434 | mbkt(ji,jj) = MAX( mbathy(ji,jj) - 1, 1 ) ! vertical index of the bottom ocean T-level |
---|
435 | END DO |
---|
436 | END DO |
---|
437 | DO jj = 1, jpjm1 |
---|
438 | DO ji = 1, jpim1 |
---|
439 | mbku(ji,jj) = MAX( MIN( mbathy(ji+1,jj ), mbathy(ji,jj) ) - 1, 1 ) |
---|
440 | mbkv(ji,jj) = MAX( MIN( mbathy(ji ,jj+1), mbathy(ji,jj) ) - 1, 1 ) |
---|
441 | END DO |
---|
442 | END DO |
---|
443 | !!bug ??? |
---|
444 | !!bug Caution : define the vakue of mbku & mbkv everywhere!!! but lbc mpp lnk : pb when closed (0) |
---|
445 | |
---|
446 | # if defined key_trabbl_adv |
---|
447 | ! initialisation of w_bbl to zero |
---|
448 | w_bbl(:,:,:) = 0.e0 |
---|
449 | # endif |
---|
450 | |
---|
451 | END SUBROUTINE tra_bbl_init |
---|
452 | |
---|
453 | #else |
---|
454 | !!---------------------------------------------------------------------- |
---|
455 | !! Dummy module : No bottom boundary layer scheme |
---|
456 | !!---------------------------------------------------------------------- |
---|
457 | LOGICAL, PUBLIC, PARAMETER :: lk_trabbl_dif = .FALSE. !: diff bbl flag |
---|
458 | LOGICAL, PUBLIC, PARAMETER :: lk_trabbl_adv = .FALSE. !: adv bbl flag |
---|
459 | CONTAINS |
---|
460 | SUBROUTINE tra_bbl_dif (kt ) ! Empty routine |
---|
461 | INTEGER, INTENT(in) :: kt |
---|
462 | WRITE(*,*) 'tra_bbl_dif: You should not have seen this print! error?', kt |
---|
463 | END SUBROUTINE tra_bbl_dif |
---|
464 | SUBROUTINE tra_bbl_adv (kt ) ! Empty routine |
---|
465 | INTEGER, INTENT(in) :: kt |
---|
466 | WRITE(*,*) 'tra_bbl_adv: You should not have seen this print! error?', kt |
---|
467 | END SUBROUTINE tra_bbl_adv |
---|
468 | #endif |
---|
469 | |
---|
470 | !!====================================================================== |
---|
471 | END MODULE trabbl |
---|