Directory: | ./ |
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File: | phys/orografi_strato.f90 |
Date: | 2022-01-11 19:19:34 |
Exec | Total | Coverage | |
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Lines: | 519 | 528 | 98.3% |
Branches: | 330 | 346 | 95.4% |
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1 | 74431680 | SUBROUTINE drag_noro_strato(partdrag, nlon, nlev, dtime, paprs, pplay, pmea, pstd, & | |
2 | 960 | psig, pgam, pthe, ppic, pval, kgwd, kdx, ktest, t, u, v, pulow, pvlow, & | |
3 | 960 | pustr, pvstr, d_t, d_u, d_v) | |
4 | |||
5 | USE dimphy | ||
6 | IMPLICIT NONE | ||
7 | ! ====================================================================== | ||
8 | ! Auteur(s): F.Lott (LMD/CNRS) date: 19950201 | ||
9 | ! Object: Mountain drag interface. Made necessary because: | ||
10 | ! 1. in the LMD-GCM Layers are from bottom to top, | ||
11 | ! contrary to most European GCM. | ||
12 | ! 2. the altitude above ground of each model layers | ||
13 | ! needs to be known (variable zgeom) | ||
14 | ! ====================================================================== | ||
15 | ! Explicit Arguments: | ||
16 | ! ================== | ||
17 | ! partdrag-input-I-control which part of the drag we consider (total part or GW part) | ||
18 | ! nlon----input-I-Total number of horizontal points that get into physics | ||
19 | ! nlev----input-I-Number of vertical levels | ||
20 | ! dtime---input-R-Time-step (s) | ||
21 | ! paprs---input-R-Pressure in semi layers (Pa) | ||
22 | ! pplay---input-R-Pressure model-layers (Pa) | ||
23 | ! t-------input-R-temperature (K) | ||
24 | ! u-------input-R-Horizontal wind (m/s) | ||
25 | ! v-------input-R-Meridional wind (m/s) | ||
26 | ! pmea----input-R-Mean Orography (m) | ||
27 | ! pstd----input-R-SSO standard deviation (m) | ||
28 | ! psig----input-R-SSO slope | ||
29 | ! pgam----input-R-SSO Anisotropy | ||
30 | ! pthe----input-R-SSO Angle | ||
31 | ! ppic----input-R-SSO Peacks elevation (m) | ||
32 | ! pval----input-R-SSO Valleys elevation (m) | ||
33 | |||
34 | ! kgwd- -input-I: Total nb of points where the orography schemes are active | ||
35 | ! ktest--input-I: Flags to indicate active points | ||
36 | ! kdx----input-I: Locate the physical location of an active point. | ||
37 | |||
38 | ! pulow, pvlow -output-R: Low-level wind | ||
39 | ! pustr, pvstr -output-R: Surface stress due to SSO drag (Pa) | ||
40 | |||
41 | ! d_t-----output-R: T increment | ||
42 | ! d_u-----output-R: U increment | ||
43 | ! d_v-----output-R: V increment | ||
44 | |||
45 | ! Implicit Arguments: | ||
46 | ! =================== | ||
47 | |||
48 | ! iim--common-I: Number of longitude intervals | ||
49 | ! jjm--common-I: Number of latitude intervals | ||
50 | ! klon-common-I: Number of points seen by the physics | ||
51 | ! (iim+1)*(jjm+1) for instance | ||
52 | ! klev-common-I: Number of vertical layers | ||
53 | ! ====================================================================== | ||
54 | ! Local Variables: | ||
55 | ! ================ | ||
56 | |||
57 | ! zgeom-----R: Altitude of layer above ground | ||
58 | ! pt, pu, pv --R: t u v from top to bottom | ||
59 | ! pdtdt, pdudt, pdvdt --R: t u v tendencies (from top to bottom) | ||
60 | ! papmf: pressure at model layer (from top to bottom) | ||
61 | ! papmh: pressure at model 1/2 layer (from top to bottom) | ||
62 | |||
63 | ! ====================================================================== | ||
64 | include "YOMCST.h" | ||
65 | include "YOEGWD.h" | ||
66 | |||
67 | ! ARGUMENTS | ||
68 | |||
69 | INTEGER partdrag,nlon, nlev | ||
70 | REAL dtime | ||
71 | REAL paprs(nlon, nlev+1) | ||
72 | REAL pplay(nlon, nlev) | ||
73 | REAL pmea(nlon), pstd(nlon), psig(nlon), pgam(nlon), pthe(nlon) | ||
74 | REAL ppic(nlon), pval(nlon) | ||
75 | REAL pulow(nlon), pvlow(nlon), pustr(nlon), pvstr(nlon) | ||
76 | REAL t(nlon, nlev), u(nlon, nlev), v(nlon, nlev) | ||
77 | REAL d_t(nlon, nlev), d_u(nlon, nlev), d_v(nlon, nlev) | ||
78 | |||
79 | INTEGER i, k, kgwd, kdx(nlon), ktest(nlon) | ||
80 | |||
81 | ! LOCAL VARIABLES: | ||
82 | |||
83 | 1920 | REAL zgeom(klon, klev) | |
84 | 1920 | REAL pdtdt(klon, klev), pdudt(klon, klev), pdvdt(klon, klev) | |
85 | 1920 | REAL pt(klon, klev), pu(klon, klev), pv(klon, klev) | |
86 | 960 | REAL papmf(klon, klev), papmh(klon, klev+1) | |
87 | CHARACTER (LEN=20) :: modname = 'orografi_strato' | ||
88 | CHARACTER (LEN=80) :: abort_message | ||
89 | |||
90 | ! INITIALIZE OUTPUT VARIABLES | ||
91 | |||
92 |
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955200 | DO i = 1, klon |
93 | 954240 | pulow(i) = 0.0 | |
94 | 954240 | pvlow(i) = 0.0 | |
95 | 954240 | pustr(i) = 0.0 | |
96 | 955200 | pvstr(i) = 0.0 | |
97 | END DO | ||
98 |
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38400 | DO k = 1, klev |
99 |
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37253760 | DO i = 1, klon |
100 | 37215360 | d_t(i, k) = 0.0 | |
101 | 37215360 | d_u(i, k) = 0.0 | |
102 | 37215360 | d_v(i, k) = 0.0 | |
103 | 37215360 | pdudt(i, k) = 0.0 | |
104 | 37215360 | pdvdt(i, k) = 0.0 | |
105 | 37252800 | pdtdt(i, k) = 0.0 | |
106 | END DO | ||
107 | END DO | ||
108 | |||
109 | ! PREPARE INPUT VARIABLES FOR ORODRAG (i.e., ORDERED FROM TOP TO BOTTOM) | ||
110 | ! CALCULATE LAYERS HEIGHT ABOVE GROUND) | ||
111 | |||
112 |
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38400 | DO k = 1, klev |
113 |
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37253760 | DO i = 1, klon |
114 | 37215360 | pt(i, k) = t(i, klev-k+1) | |
115 | 37215360 | pu(i, k) = u(i, klev-k+1) | |
116 | 37215360 | pv(i, k) = v(i, klev-k+1) | |
117 | 37252800 | papmf(i, k) = pplay(i, klev-k+1) | |
118 | END DO | ||
119 | END DO | ||
120 |
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39360 | DO k = 1, klev + 1 |
121 |
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38208960 | DO i = 1, klon |
122 | 38208000 | papmh(i, k) = paprs(i, klev-k+2) | |
123 | END DO | ||
124 | END DO | ||
125 |
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955200 | DO i = 1, klon |
126 | 955200 | zgeom(i, klev) = rd*pt(i, klev)*log(papmh(i,klev+1)/papmf(i,klev)) | |
127 | END DO | ||
128 |
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37440 | DO k = klev - 1, 1, -1 |
129 |
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36298560 | DO i = 1, klon |
130 | zgeom(i, k) = zgeom(i, k+1) + rd*(pt(i,k)+pt(i,k+1))/2.0*log(papmf(i,k+ & | ||
131 | 36297600 | 1)/papmf(i,k)) | |
132 | END DO | ||
133 | END DO | ||
134 | |||
135 | ! CALL SSO DRAG ROUTINES | ||
136 | |||
137 | CALL orodrag_strato(partdrag,klon, klev, kgwd, kdx, ktest, dtime, papmh, papmf, & | ||
138 | zgeom, pt, pu, pv, pmea, pstd, psig, pgam, pthe, ppic, pval, pulow, & | ||
139 | 960 | pvlow, pdudt, pdvdt, pdtdt) | |
140 | |||
141 | ! COMPUTE INCREMENTS AND STRESS FROM TENDENCIES | ||
142 | |||
143 |
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38400 | DO k = 1, klev |
144 |
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37253760 | DO i = 1, klon |
145 | 37215360 | d_u(i, klev+1-k) = dtime*pdudt(i, k) | |
146 | 37215360 | d_v(i, klev+1-k) = dtime*pdvdt(i, k) | |
147 | 37215360 | d_t(i, klev+1-k) = dtime*pdtdt(i, k) | |
148 | 37215360 | pustr(i) = pustr(i) + pdudt(i, k)*(papmh(i,k+1)-papmh(i,k))/rg | |
149 | 37252800 | pvstr(i) = pvstr(i) + pdvdt(i, k)*(papmh(i,k+1)-papmh(i,k))/rg | |
150 | END DO | ||
151 | END DO | ||
152 | |||
153 | 960 | RETURN | |
154 | END SUBROUTINE drag_noro_strato | ||
155 | |||
156 | 34745280 | SUBROUTINE orodrag_strato(partdrag,nlon, nlev, kgwd, kdx, ktest, ptsphy, paphm1, & | |
157 | papm1, pgeom1, ptm1, pum1, pvm1, pmea, pstd, psig, pgam, pthe, ppic, pval & | ||
158 | ! outputs | ||
159 | , pulow, pvlow, pvom, pvol, pte) | ||
160 | |||
161 | 59434774 | USE dimphy | |
162 | IMPLICIT NONE | ||
163 | |||
164 | |||
165 | ! **** *orodrag* - does the SSO drag parametrization. | ||
166 | |||
167 | ! purpose. | ||
168 | ! -------- | ||
169 | |||
170 | ! this routine computes the physical tendencies of the | ||
171 | ! prognostic variables u,v and t due to vertical transports by | ||
172 | ! subgridscale orographically excited gravity waves, and to | ||
173 | ! low level blocked flow drag. | ||
174 | |||
175 | ! ** interface. | ||
176 | ! ---------- | ||
177 | ! called from *drag_noro*. | ||
178 | |||
179 | ! the routine takes its input from the long-term storage: | ||
180 | ! u,v,t and p at t-1. | ||
181 | |||
182 | ! explicit arguments : | ||
183 | ! -------------------- | ||
184 | ! ==== inputs === | ||
185 | ! partdrag-input-I-control which part of the drag we consider (total part or GW part) | ||
186 | ! nlon----input-I-Total number of horizontal points that get into physics | ||
187 | ! nlev----input-I-Number of vertical levels | ||
188 | |||
189 | ! kgwd- -input-I: Total nb of points where the orography schemes are active | ||
190 | ! ktest--input-I: Flags to indicate active points | ||
191 | ! kdx----input-I: Locate the physical location of an active point. | ||
192 | ! ptsphy--input-R-Time-step (s) | ||
193 | ! paphm1--input-R: pressure at model 1/2 layer | ||
194 | ! papm1---input-R: pressure at model layer | ||
195 | ! pgeom1--input-R: Altitude of layer above ground | ||
196 | ! ptm1, pum1, pvm1--R-: t, u and v | ||
197 | ! pmea----input-R-Mean Orography (m) | ||
198 | ! pstd----input-R-SSO standard deviation (m) | ||
199 | ! psig----input-R-SSO slope | ||
200 | ! pgam----input-R-SSO Anisotropy | ||
201 | ! pthe----input-R-SSO Angle | ||
202 | ! ppic----input-R-SSO Peacks elevation (m) | ||
203 | ! pval----input-R-SSO Valleys elevation (m) | ||
204 | |||
205 | INTEGER nlon, nlev, kgwd | ||
206 | REAL ptsphy | ||
207 | |||
208 | ! ==== outputs === | ||
209 | ! pulow, pvlow -output-R: Low-level wind | ||
210 | |||
211 | ! pte -----output-R: T tendency | ||
212 | ! pvom-----output-R: U tendency | ||
213 | ! pvol-----output-R: V tendency | ||
214 | |||
215 | |||
216 | ! Implicit Arguments: | ||
217 | ! =================== | ||
218 | |||
219 | ! klon-common-I: Number of points seen by the physics | ||
220 | ! klev-common-I: Number of vertical layers | ||
221 | |||
222 | ! method. | ||
223 | ! ------- | ||
224 | |||
225 | ! externals. | ||
226 | ! ---------- | ||
227 | INTEGER ismin, ismax | ||
228 | EXTERNAL ismin, ismax | ||
229 | |||
230 | ! reference. | ||
231 | ! ---------- | ||
232 | |||
233 | ! author. | ||
234 | ! ------- | ||
235 | ! m.miller + b.ritter e.c.m.w.f. 15/06/86. | ||
236 | |||
237 | ! f.lott + m. miller e.c.m.w.f. 22/11/94 | ||
238 | ! ----------------------------------------------------------------------- | ||
239 | |||
240 | |||
241 | include "YOMCST.h" | ||
242 | include "YOEGWD.h" | ||
243 | |||
244 | ! ----------------------------------------------------------------------- | ||
245 | |||
246 | ! * 0.1 arguments | ||
247 | ! --------- | ||
248 | |||
249 | INTEGER partdrag | ||
250 | REAL pte(nlon, nlev), pvol(nlon, nlev), pvom(nlon, nlev), pulow(nlon), & | ||
251 | pvlow(nlon) | ||
252 | REAL pum1(nlon, nlev), pvm1(nlon, nlev), ptm1(nlon, nlev), pmea(nlon), & | ||
253 | pstd(nlon), psig(nlon), pgam(nlon), pthe(nlon), ppic(nlon), pval(nlon), & | ||
254 | pgeom1(nlon, nlev), papm1(nlon, nlev), paphm1(nlon, nlev+1) | ||
255 | |||
256 | INTEGER kdx(nlon), ktest(nlon) | ||
257 | ! ----------------------------------------------------------------------- | ||
258 | |||
259 | ! * 0.2 local arrays | ||
260 | ! ------------ | ||
261 | 1920 | INTEGER isect(klon), icrit(klon), ikcrith(klon), ikenvh(klon), iknu(klon), & | |
262 | 1920 | iknu2(klon), ikcrit(klon), ikhlim(klon) | |
263 | |||
264 | 1920 | REAL ztau(klon, klev+1), zstab(klon, klev+1), zvph(klon, klev+1), & | |
265 | 1920 | zrho(klon, klev+1), zri(klon, klev+1), zpsi(klon, klev+1), & | |
266 | 1920 | zzdep(klon, klev) | |
267 | 1920 | REAL zdudt(klon), zdvdt(klon), zdtdt(klon), zdedt(klon), zvidis(klon), & | |
268 | 1920 | ztfr(klon), znu(klon), zd1(klon), zd2(klon), zdmod(klon) | |
269 | |||
270 | |||
271 | ! local quantities: | ||
272 | |||
273 | INTEGER jl, jk, ji | ||
274 | REAL ztmst, zdelp, ztemp, zforc, ztend, rover, facpart | ||
275 | REAL zb, zc, zconb, zabsv, zzd1, ratio, zbet, zust, zvst, zdis | ||
276 | |||
277 | ! ------------------------------------------------------------------ | ||
278 | |||
279 | ! * 1. initialization | ||
280 | ! -------------- | ||
281 | |||
282 | ! print *,' in orodrag' | ||
283 | |||
284 | ! ------------------------------------------------------------------ | ||
285 | |||
286 | ! * 1.1 computational constants | ||
287 | ! ----------------------- | ||
288 | |||
289 | |||
290 | ! ztmst=twodt | ||
291 | ! if(nstep.eq.nstart) ztmst=0.5*twodt | ||
292 | 960 | ztmst = ptsphy | |
293 | |||
294 | ! ------------------------------------------------------------------ | ||
295 | |||
296 | ! * 1.3 check whether row contains point for printing | ||
297 | ! --------------------------------------------- | ||
298 | |||
299 | |||
300 | ! ------------------------------------------------------------------ | ||
301 | |||
302 | ! * 2. precompute basic state variables. | ||
303 | ! * ---------- ----- ----- ---------- | ||
304 | ! * define low level wind, project winds in plane of | ||
305 | ! * low level wind, determine sector in which to take | ||
306 | ! * the variance and set indicator for critical levels. | ||
307 | |||
308 | |||
309 | |||
310 | |||
311 | |||
312 | CALL orosetup_strato(nlon, nlev, ktest, ikcrit, ikcrith, icrit, isect, & | ||
313 | ikhlim, ikenvh, iknu, iknu2, paphm1, papm1, pum1, pvm1, ptm1, pgeom1, & | ||
314 | pstd, zrho, zri, zstab, ztau, zvph, zpsi, zzdep, pulow, pvlow, pthe, & | ||
315 | 960 | pgam, pmea, ppic, pval, znu, zd1, zd2, zdmod) | |
316 | |||
317 | ! *********************************************************** | ||
318 | |||
319 | |||
320 | ! * 3. compute low level stresses using subcritical and | ||
321 | ! * supercritical forms.computes anisotropy coefficient | ||
322 | ! * as measure of orographic twodimensionality. | ||
323 | |||
324 | |||
325 | CALL gwstress_strato(nlon, nlev, ikcrit, isect, ikhlim, ktest, ikcrith, & | ||
326 | icrit, ikenvh, iknu, zrho, zstab, zvph, pstd, psig, pmea, ppic, pval, & | ||
327 | 960 | ztfr, ztau, pgeom1, pgam, zd1, zd2, zdmod, znu) | |
328 | |||
329 | ! * 4. compute stress profile including | ||
330 | ! trapped waves, wave breaking, | ||
331 | ! linear decay in stratosphere. | ||
332 | |||
333 | |||
334 | |||
335 | |||
336 | CALL gwprofil_strato(nlon, nlev, kgwd, kdx, ktest, ikcrit, ikcrith, icrit, & | ||
337 | ikenvh, iknu, iknu2, paphm1, zrho, zstab, ztfr, zvph, zri, ztau & | ||
338 | 960 | , zdmod, znu, psig, pgam, pstd, ppic, pval) | |
339 | |||
340 | ! * 5. Compute tendencies from waves stress profile. | ||
341 | ! Compute low level blocked flow drag. | ||
342 | ! * -------------------------------------------- | ||
343 | |||
344 | |||
345 | |||
346 | |||
347 | ! explicit solution at all levels for the gravity wave | ||
348 | ! implicit solution for the blocked levels | ||
349 | |||
350 |
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955200 | DO jl = kidia, kfdia |
351 | 954240 | zvidis(jl) = 0.0 | |
352 | 954240 | zdudt(jl) = 0.0 | |
353 | 954240 | zdvdt(jl) = 0.0 | |
354 | 955200 | zdtdt(jl) = 0.0 | |
355 | END DO | ||
356 | |||
357 | |||
358 |
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38400 | DO jk = 1, klev |
359 | |||
360 | |||
361 | ! WAVE STRESS | ||
362 | ! ------------- | ||
363 | |||
364 | |||
365 |
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37253760 | DO ji = kidia, kfdia |
366 | |||
367 |
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37252800 | IF (ktest(ji)==1) THEN |
368 | |||
369 | 17372160 | zdelp = paphm1(ji, jk+1) - paphm1(ji, jk) | |
370 | 17372160 | ztemp = -rg*(ztau(ji,jk+1)-ztau(ji,jk))/(zvph(ji,klev+1)*zdelp) | |
371 | |||
372 | 17372160 | zdudt(ji) = (pulow(ji)*zd1(ji)-pvlow(ji)*zd2(ji))*ztemp/zdmod(ji) | |
373 | 17372160 | zdvdt(ji) = (pvlow(ji)*zd1(ji)+pulow(ji)*zd2(ji))*ztemp/zdmod(ji) | |
374 | |||
375 | ! Control Overshoots | ||
376 | |||
377 | |||
378 |
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17372160 | IF (jk>=nstra) THEN |
379 | rover = 0.10 | ||
380 |
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17372160 | IF (abs(zdudt(ji))>rover*abs(pum1(ji,jk))/ztmst) zdudt(ji) = rover* & |
381 | 15081 | abs(pum1(ji,jk))/ztmst*zdudt(ji)/(abs(zdudt(ji))+1.E-10) | |
382 |
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17372160 | IF (abs(zdvdt(ji))>rover*abs(pvm1(ji,jk))/ztmst) zdvdt(ji) = rover* & |
383 | 40691 | abs(pvm1(ji,jk))/ztmst*zdvdt(ji)/(abs(zdvdt(ji))+1.E-10) | |
384 | END IF | ||
385 | |||
386 | rover = 0.25 | ||
387 | 17372160 | zforc = sqrt(zdudt(ji)**2+zdvdt(ji)**2) | |
388 | 17372160 | ztend = sqrt(pum1(ji,jk)**2+pvm1(ji,jk)**2)/ztmst | |
389 | |||
390 |
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17372160 | IF (zforc>=rover*ztend) THEN |
391 | ✗ | zdudt(ji) = rover*ztend/zforc*zdudt(ji) | |
392 | ✗ | zdvdt(ji) = rover*ztend/zforc*zdvdt(ji) | |
393 | END IF | ||
394 | |||
395 | ! BLOCKED FLOW DRAG: | ||
396 | ! ----------------- | ||
397 | |||
398 |
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17372160 | IF (partdrag .GE. 2) THEN |
399 | facpart=0. | ||
400 | ELSE | ||
401 | 8686080 | facpart=gkwake | |
402 | ENDIF | ||
403 | |||
404 | |||
405 |
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17372160 | IF (jk>ikenvh(ji)) THEN |
406 | 2671594 | zb = 1.0 - 0.18*pgam(ji) - 0.04*pgam(ji)**2 | |
407 | 2671594 | zc = 0.48*pgam(ji) + 0.3*pgam(ji)**2 | |
408 | 2671594 | zconb = 2.*ztmst*facpart*psig(ji)/(4.*pstd(ji)) | |
409 | 2671594 | zabsv = sqrt(pum1(ji,jk)**2+pvm1(ji,jk)**2)/2. | |
410 | 2671594 | zzd1 = zb*cos(zpsi(ji,jk))**2 + zc*sin(zpsi(ji,jk))**2 | |
411 | ratio = (cos(zpsi(ji,jk))**2+pgam(ji)*sin(zpsi(ji, & | ||
412 | 2671594 | jk))**2)/(pgam(ji)*cos(zpsi(ji,jk))**2+sin(zpsi(ji,jk))**2) | |
413 | 2671594 | zbet = max(0., 2.-1./ratio)*zconb*zzdep(ji, jk)*zzd1*zabsv | |
414 | |||
415 | ! OPPOSED TO THE WIND | ||
416 | |||
417 | 2671594 | zdudt(ji) = -pum1(ji, jk)/ztmst | |
418 | 2671594 | zdvdt(ji) = -pvm1(ji, jk)/ztmst | |
419 | |||
420 | ! PERPENDICULAR TO THE SSO MAIN AXIS: | ||
421 | |||
422 | ! mod zdudt(ji)=-(pum1(ji,jk)*cos(pthe(ji)*rpi/180.) | ||
423 | ! mod * +pvm1(ji,jk)*sin(pthe(ji)*rpi/180.)) | ||
424 | ! mod * *cos(pthe(ji)*rpi/180.)/ztmst | ||
425 | ! mod zdvdt(ji)=-(pum1(ji,jk)*cos(pthe(ji)*rpi/180.) | ||
426 | ! mod * +pvm1(ji,jk)*sin(pthe(ji)*rpi/180.)) | ||
427 | ! mod * *sin(pthe(ji)*rpi/180.)/ztmst | ||
428 | |||
429 | 2671594 | zdudt(ji) = zdudt(ji)*(zbet/(1.+zbet)) | |
430 | 2671594 | zdvdt(ji) = zdvdt(ji)*(zbet/(1.+zbet)) | |
431 | END IF | ||
432 | 17372160 | pvom(ji, jk) = zdudt(ji) | |
433 | 17372160 | pvol(ji, jk) = zdvdt(ji) | |
434 | 17372160 | zust = pum1(ji, jk) + ztmst*zdudt(ji) | |
435 | 17372160 | zvst = pvm1(ji, jk) + ztmst*zdvdt(ji) | |
436 | 17372160 | zdis = 0.5*(pum1(ji,jk)**2+pvm1(ji,jk)**2-zust**2-zvst**2) | |
437 | 17372160 | zdedt(ji) = zdis/ztmst | |
438 | 17372160 | zvidis(ji) = zvidis(ji) + zdis*zdelp | |
439 | 17372160 | zdtdt(ji) = zdedt(ji)/rcpd | |
440 | |||
441 | ! NO TENDENCIES ON TEMPERATURE ..... | ||
442 | |||
443 | ! Instead of, pte(ji,jk)=zdtdt(ji), due to mechanical dissipation | ||
444 | |||
445 | 17372160 | pte(ji, jk) = 0.0 | |
446 | |||
447 | END IF | ||
448 | |||
449 | END DO | ||
450 | END DO | ||
451 | |||
452 | 960 | RETURN | |
453 | END SUBROUTINE orodrag_strato | ||
454 | 960 | SUBROUTINE orosetup_strato(nlon, nlev, ktest, kkcrit, kkcrith, kcrit, ksect, & | |
455 | 960 | kkhlim, kkenvh, kknu, kknu2, paphm1, papm1, pum1, pvm1, ptm1, pgeom1, & | |
456 | pstd, prho, pri, pstab, ptau, pvph, ppsi, pzdep, pulow, pvlow, ptheta, & | ||
457 | 960 | pgam, pmea, ppic, pval, pnu, pd1, pd2, pdmod) | |
458 | |||
459 | ! **** *gwsetup* | ||
460 | |||
461 | ! purpose. | ||
462 | ! -------- | ||
463 | ! SET-UP THE ESSENTIAL PARAMETERS OF THE SSO DRAG SCHEME: | ||
464 | ! DEPTH OF LOW WBLOCKED LAYER, LOW-LEVEL FLOW, BACKGROUND | ||
465 | ! STRATIFICATION..... | ||
466 | |||
467 | ! ** interface. | ||
468 | ! ---------- | ||
469 | ! from *orodrag* | ||
470 | |||
471 | ! explicit arguments : | ||
472 | ! -------------------- | ||
473 | ! ==== inputs === | ||
474 | |||
475 | ! nlon----input-I-Total number of horizontal points that get into physics | ||
476 | ! nlev----input-I-Number of vertical levels | ||
477 | ! ktest--input-I: Flags to indicate active points | ||
478 | |||
479 | ! ptsphy--input-R-Time-step (s) | ||
480 | ! paphm1--input-R: pressure at model 1/2 layer | ||
481 | ! papm1---input-R: pressure at model layer | ||
482 | ! pgeom1--input-R: Altitude of layer above ground | ||
483 | ! ptm1, pum1, pvm1--R-: t, u and v | ||
484 | ! pmea----input-R-Mean Orography (m) | ||
485 | ! pstd----input-R-SSO standard deviation (m) | ||
486 | ! psig----input-R-SSO slope | ||
487 | ! pgam----input-R-SSO Anisotropy | ||
488 | ! pthe----input-R-SSO Angle | ||
489 | ! ppic----input-R-SSO Peacks elevation (m) | ||
490 | ! pval----input-R-SSO Valleys elevation (m) | ||
491 | |||
492 | ! ==== outputs === | ||
493 | ! pulow, pvlow -output-R: Low-level wind | ||
494 | ! kkcrit----I-: Security value for top of low level flow | ||
495 | ! kcrit-----I-: Critical level | ||
496 | ! ksect-----I-: Not used | ||
497 | ! kkhlim----I-: Not used | ||
498 | ! kkenvh----I-: Top of blocked flow layer | ||
499 | ! kknu------I-: Layer that sees mountain peacks | ||
500 | ! kknu2-----I-: Layer that sees mountain peacks above mountain mean | ||
501 | ! kknub-----I-: Layer that sees mountain mean above valleys | ||
502 | ! prho------R-: Density at 1/2 layers | ||
503 | ! pri-------R-: Background Richardson Number, Wind shear measured along GW | ||
504 | ! stress | ||
505 | ! pstab-----R-: Brunt-Vaisala freq. at 1/2 layers | ||
506 | ! pvph------R-: Wind in plan of GW stress, Half levels. | ||
507 | ! ppsi------R-: Angle between low level wind and SS0 main axis. | ||
508 | ! pd1-------R-| Compared the ratio of the stress | ||
509 | ! pd2-------R-| that is along the wind to that Normal to it. | ||
510 | ! pdi define the plane of low level stress | ||
511 | ! compared to the low level wind. | ||
512 | ! see p. 108 Lott & Miller (1997). | ||
513 | ! pdmod-----R-: Norme of pdi | ||
514 | |||
515 | ! === local arrays === | ||
516 | |||
517 | ! zvpf------R-: Wind projected in the plan of the low-level stress. | ||
518 | |||
519 | ! ==== outputs === | ||
520 | |||
521 | ! implicit arguments : none | ||
522 | ! -------------------- | ||
523 | |||
524 | ! method. | ||
525 | ! ------- | ||
526 | |||
527 | |||
528 | ! externals. | ||
529 | ! ---------- | ||
530 | |||
531 | |||
532 | ! reference. | ||
533 | ! ---------- | ||
534 | |||
535 | ! see ecmwf research department documentation of the "i.f.s." | ||
536 | |||
537 | ! author. | ||
538 | ! ------- | ||
539 | |||
540 | ! modifications. | ||
541 | ! -------------- | ||
542 | ! f.lott for the new-gwdrag scheme november 1993 | ||
543 | |||
544 | ! ----------------------------------------------------------------------- | ||
545 | USE dimphy | ||
546 | IMPLICIT NONE | ||
547 | |||
548 | |||
549 | include "YOMCST.h" | ||
550 | include "YOEGWD.h" | ||
551 | |||
552 | ! ----------------------------------------------------------------------- | ||
553 | |||
554 | ! * 0.1 arguments | ||
555 | ! --------- | ||
556 | |||
557 | INTEGER nlon, nlev | ||
558 | INTEGER kkcrit(nlon), kkcrith(nlon), kcrit(nlon), ksect(nlon), & | ||
559 | kkhlim(nlon), ktest(nlon), kkenvh(nlon) | ||
560 | |||
561 | |||
562 | REAL paphm1(nlon, klev+1), papm1(nlon, klev), pum1(nlon, klev), & | ||
563 | pvm1(nlon, klev), ptm1(nlon, klev), pgeom1(nlon, klev), & | ||
564 | prho(nlon, klev+1), pri(nlon, klev+1), pstab(nlon, klev+1), & | ||
565 | ptau(nlon, klev+1), pvph(nlon, klev+1), ppsi(nlon, klev+1), & | ||
566 | pzdep(nlon, klev) | ||
567 | REAL pulow(nlon), pvlow(nlon), ptheta(nlon), pgam(nlon), pnu(nlon), & | ||
568 | pd1(nlon), pd2(nlon), pdmod(nlon) | ||
569 | REAL pstd(nlon), pmea(nlon), ppic(nlon), pval(nlon) | ||
570 | |||
571 | ! ----------------------------------------------------------------------- | ||
572 | |||
573 | ! * 0.2 local arrays | ||
574 | ! ------------ | ||
575 | |||
576 | |||
577 | INTEGER ilevh, jl, jk | ||
578 | REAL zcons1, zcons2, zhgeo, zu, zphi | ||
579 | REAL zvt1, zvt2, zdwind, zwind, zdelp | ||
580 | REAL zstabm, zstabp, zrhom, zrhop | ||
581 | LOGICAL lo | ||
582 | 1920 | LOGICAL ll1(klon, klev+1) | |
583 | 1920 | INTEGER kknu(klon), kknu2(klon), kknub(klon), kknul(klon), kentp(klon), & | |
584 | 1920 | ncount(klon) | |
585 | |||
586 | 1920 | REAL zhcrit(klon, klev), zvpf(klon, klev), zdp(klon, klev) | |
587 | 1920 | REAL znorm(klon), zb(klon), zc(klon), zulow(klon), zvlow(klon), znup(klon), & | |
588 | 1920 | znum(klon) | |
589 | |||
590 | ! ------------------------------------------------------------------ | ||
591 | |||
592 | ! * 1. initialization | ||
593 | ! -------------- | ||
594 | |||
595 | ! PRINT *,' in orosetup' | ||
596 | |||
597 | ! ------------------------------------------------------------------ | ||
598 | |||
599 | ! * 1.1 computational constants | ||
600 | ! ----------------------- | ||
601 | |||
602 | |||
603 | 960 | ilevh = klev/3 | |
604 | |||
605 | 960 | zcons1 = 1./rd | |
606 | 960 | zcons2 = rg**2/rcpd | |
607 | |||
608 | ! ------------------------------------------------------------------ | ||
609 | |||
610 | ! * 2. | ||
611 | ! -------------- | ||
612 | |||
613 | |||
614 | ! ------------------------------------------------------------------ | ||
615 | |||
616 | ! * 2.1 define low level wind, project winds in plane of | ||
617 | ! * low level wind, determine sector in which to take | ||
618 | ! * the variance and set indicator for critical levels. | ||
619 | |||
620 | |||
621 | |||
622 |
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955200 | DO jl = kidia, kfdia |
623 | 954240 | kknu(jl) = klev | |
624 | 954240 | kknu2(jl) = klev | |
625 | 954240 | kknub(jl) = klev | |
626 | 954240 | kknul(jl) = klev | |
627 | 954240 | pgam(jl) = max(pgam(jl), gtsec) | |
628 | 960 | ll1(jl, klev+1) = .FALSE. | |
629 | END DO | ||
630 | |||
631 | ! Ajouter une initialisation (L. Li, le 23fev99): | ||
632 | |||
633 |
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26880 | DO jk = klev, ilevh, -1 |
634 |
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25791360 | DO jl = kidia, kfdia |
635 | 25790400 | ll1(jl, jk) = .FALSE. | |
636 | END DO | ||
637 | END DO | ||
638 | |||
639 | ! * define top of low level flow | ||
640 | ! ---------------------------- | ||
641 |
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26880 | DO jk = klev, ilevh, -1 |
642 |
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643 |
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25790400 | IF (ktest(jl)==1) THEN |
644 | 12026880 | lo = (paphm1(jl,jk)/paphm1(jl,klev+1)) >= gsigcr | |
645 | 12026880 | IF (lo) THEN | |
646 | 3177078 | kkcrit(jl) = jk | |
647 | END IF | ||
648 | 12026880 | zhcrit(jl, jk) = ppic(jl) - pval(jl) | |
649 | 12026880 | zhgeo = pgeom1(jl, jk)/rg | |
650 | 12026880 | ll1(jl, jk) = (zhgeo>zhcrit(jl,jk)) | |
651 |
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12026880 | IF (ll1(jl,jk) .NEQV. ll1(jl,jk+1)) THEN |
652 | 445440 | kknu(jl) = jk | |
653 | END IF | ||
654 |
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12026880 | IF (.NOT. ll1(jl,ilevh)) kknu(jl) = ilevh |
655 | END IF | ||
656 | END DO | ||
657 | END DO | ||
658 |
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26880 | DO jk = klev, ilevh, -1 |
659 |
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25791360 | DO jl = kidia, kfdia |
660 |
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25790400 | IF (ktest(jl)==1) THEN |
661 | 12026880 | zhcrit(jl, jk) = ppic(jl) - pmea(jl) | |
662 | 12026880 | zhgeo = pgeom1(jl, jk)/rg | |
663 | 12026880 | ll1(jl, jk) = (zhgeo>zhcrit(jl,jk)) | |
664 |
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12026880 | IF (ll1(jl,jk) .NEQV. ll1(jl,jk+1)) THEN |
665 | 445440 | kknu2(jl) = jk | |
666 | END IF | ||
667 |
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12026880 | IF (.NOT. ll1(jl,ilevh)) kknu2(jl) = ilevh |
668 | END IF | ||
669 | END DO | ||
670 | END DO | ||
671 |
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26880 | DO jk = klev, ilevh, -1 |
672 |
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25791360 | DO jl = kidia, kfdia |
673 |
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25790400 | IF (ktest(jl)==1) THEN |
674 | 12026880 | zhcrit(jl, jk) = amin1(ppic(jl)-pmea(jl), pmea(jl)-pval(jl)) | |
675 | 12026880 | zhgeo = pgeom1(jl, jk)/rg | |
676 | 12026880 | ll1(jl, jk) = (zhgeo>zhcrit(jl,jk)) | |
677 |
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12026880 | IF (ll1(jl,jk) .NEQV. ll1(jl,jk+1)) THEN |
678 | 445440 | kknub(jl) = jk | |
679 | END IF | ||
680 |
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12026880 | IF (.NOT. ll1(jl,ilevh)) kknub(jl) = ilevh |
681 | END IF | ||
682 | END DO | ||
683 | END DO | ||
684 | |||
685 |
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955200 | DO jl = kidia, kfdia |
686 |
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955200 | IF (ktest(jl)==1) THEN |
687 | 445440 | kknu(jl) = min(kknu(jl), nktopg) | |
688 | 445440 | kknu2(jl) = min(kknu2(jl), nktopg) | |
689 | 445440 | kknub(jl) = min(kknub(jl), nktopg) | |
690 | 445440 | kknul(jl) = klev | |
691 | END IF | ||
692 | END DO | ||
693 | |||
694 | ! c* initialize various arrays | ||
695 | |||
696 |
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955200 | DO jl = kidia, kfdia |
697 | 954240 | prho(jl, klev+1) = 0.0 | |
698 | ! ym correction en attendant mieux | ||
699 | 954240 | prho(jl, 1) = 0.0 | |
700 | 954240 | pstab(jl, klev+1) = 0.0 | |
701 | 954240 | pstab(jl, 1) = 0.0 | |
702 | 954240 | pri(jl, klev+1) = 9999.0 | |
703 | 954240 | ppsi(jl, klev+1) = 0.0 | |
704 | 954240 | pri(jl, 1) = 0.0 | |
705 | 954240 | pvph(jl, 1) = 0.0 | |
706 | 954240 | pvph(jl, klev+1) = 0.0 | |
707 | ! ym correction en attendant mieux | ||
708 | ! ym pvph(jl,klev) =0.0 | ||
709 | 954240 | pulow(jl) = 0.0 | |
710 | 954240 | pvlow(jl) = 0.0 | |
711 | 954240 | zulow(jl) = 0.0 | |
712 | 954240 | zvlow(jl) = 0.0 | |
713 | 954240 | kkcrith(jl) = klev | |
714 | 954240 | kkenvh(jl) = klev | |
715 | 954240 | kentp(jl) = klev | |
716 | 954240 | kcrit(jl) = 1 | |
717 | 954240 | ncount(jl) = 0 | |
718 | 955200 | ll1(jl, klev+1) = .FALSE. | |
719 | END DO | ||
720 | |||
721 | ! * define flow density and stratification (rho and N2) | ||
722 | ! at semi layers. | ||
723 | ! ------------------------------------------------------- | ||
724 | |||
725 |
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37440 | DO jk = klev, 2, -1 |
726 |
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36298560 | DO jl = kidia, kfdia |
727 |
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36297600 | IF (ktest(jl)==1) THEN |
728 | 16926720 | zdp(jl, jk) = papm1(jl, jk) - papm1(jl, jk-1) | |
729 | 16926720 | prho(jl, jk) = 2.*paphm1(jl, jk)*zcons1/(ptm1(jl,jk)+ptm1(jl,jk-1)) | |
730 | pstab(jl, jk) = 2.*zcons2/(ptm1(jl,jk)+ptm1(jl,jk-1))* & | ||
731 | 16926720 | (1.-rcpd*prho(jl,jk)*(ptm1(jl,jk)-ptm1(jl,jk-1))/zdp(jl,jk)) | |
732 | 16926720 | pstab(jl, jk) = max(pstab(jl,jk), gssec) | |
733 | END IF | ||
734 | END DO | ||
735 | END DO | ||
736 | |||
737 | ! ******************************************************************** | ||
738 | |||
739 | ! * define Low level flow (between ground and peacks-valleys) | ||
740 | ! --------------------------------------------------------- | ||
741 |
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26880 | DO jk = klev, ilevh, -1 |
742 |
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743 |
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25790400 | IF (ktest(jl)==1) THEN |
744 |
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12026880 | IF (jk>=kknu2(jl) .AND. jk<=kknul(jl)) THEN |
745 | pulow(jl) = pulow(jl) + pum1(jl, jk)*(paphm1(jl,jk+1)-paphm1(jl,jk) & | ||
746 | 3229190 | ) | |
747 | pvlow(jl) = pvlow(jl) + pvm1(jl, jk)*(paphm1(jl,jk+1)-paphm1(jl,jk) & | ||
748 | 3229190 | ) | |
749 | pstab(jl, klev+1) = pstab(jl, klev+1) + pstab(jl, jk)*(paphm1(jl,jk & | ||
750 | 3229190 | +1)-paphm1(jl,jk)) | |
751 | prho(jl, klev+1) = prho(jl, klev+1) + prho(jl, jk)*(paphm1(jl,jk+1) & | ||
752 | 3229190 | -paphm1(jl,jk)) | |
753 | END IF | ||
754 | END IF | ||
755 | END DO | ||
756 | END DO | ||
757 |
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955200 | DO jl = kidia, kfdia |
758 |
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955200 | IF (ktest(jl)==1) THEN |
759 | 445440 | pulow(jl) = pulow(jl)/(paphm1(jl,kknul(jl)+1)-paphm1(jl,kknu2(jl))) | |
760 | 445440 | pvlow(jl) = pvlow(jl)/(paphm1(jl,kknul(jl)+1)-paphm1(jl,kknu2(jl))) | |
761 | 445440 | znorm(jl) = max(sqrt(pulow(jl)**2+pvlow(jl)**2), gvsec) | |
762 | 445440 | pvph(jl, klev+1) = znorm(jl) | |
763 | pstab(jl, klev+1) = pstab(jl, klev+1)/(paphm1(jl,kknul(jl)+1)-paphm1(jl & | ||
764 | 445440 | ,kknu2(jl))) | |
765 | prho(jl, klev+1) = prho(jl, klev+1)/(paphm1(jl,kknul(jl)+1)-paphm1(jl, & | ||
766 | 445440 | kknu2(jl))) | |
767 | END IF | ||
768 | END DO | ||
769 | |||
770 | |||
771 | ! ******* setup orography orientation relative to the low level | ||
772 | ! wind and define parameters of the Anisotropic wave stress. | ||
773 | |||
774 |
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955200 | DO jl = kidia, kfdia |
775 |
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955200 | IF (ktest(jl)==1) THEN |
776 |
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202873 | lo = (pulow(jl)<gvsec) .AND. (pulow(jl)>=-gvsec) |
777 | IF (lo) THEN | ||
778 | 7055 | zu = pulow(jl) + 2.*gvsec | |
779 | ELSE | ||
780 | zu = pulow(jl) | ||
781 | END IF | ||
782 | 445440 | zphi = atan(pvlow(jl)/zu) | |
783 | 445440 | ppsi(jl, klev+1) = ptheta(jl)*rpi/180. - zphi | |
784 | 445440 | zb(jl) = 1. - 0.18*pgam(jl) - 0.04*pgam(jl)**2 | |
785 | 445440 | zc(jl) = 0.48*pgam(jl) + 0.3*pgam(jl)**2 | |
786 | 445440 | pd1(jl) = zb(jl) - (zb(jl)-zc(jl))*(sin(ppsi(jl,klev+1))**2) | |
787 | 445440 | pd2(jl) = (zb(jl)-zc(jl))*sin(ppsi(jl,klev+1))*cos(ppsi(jl,klev+1)) | |
788 | 445440 | pdmod(jl) = sqrt(pd1(jl)**2+pd2(jl)**2) | |
789 | END IF | ||
790 | END DO | ||
791 | |||
792 | ! ************ projet flow in plane of lowlevel stress ************* | ||
793 | ! ************ Find critical levels... ************* | ||
794 | |||
795 |
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38400 | DO jk = 1, klev |
796 |
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797 |
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37215360 | IF (ktest(jl)==1) THEN |
798 | 17372160 | zvt1 = pulow(jl)*pum1(jl, jk) + pvlow(jl)*pvm1(jl, jk) | |
799 | 17372160 | zvt2 = -pvlow(jl)*pum1(jl, jk) + pulow(jl)*pvm1(jl, jk) | |
800 | 17372160 | zvpf(jl, jk) = (zvt1*pd1(jl)+zvt2*pd2(jl))/(znorm(jl)*pdmod(jl)) | |
801 | END IF | ||
802 | 37215360 | ptau(jl, jk) = 0.0 | |
803 | 37215360 | pzdep(jl, jk) = 0.0 | |
804 | 37215360 | ppsi(jl, jk) = 0.0 | |
805 | 37252800 | ll1(jl, jk) = .FALSE. | |
806 | END DO | ||
807 | END DO | ||
808 |
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37440 | DO jk = 2, klev |
809 |
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|
36298560 | DO jl = kidia, kfdia |
810 |
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|
36297600 | IF (ktest(jl)==1) THEN |
811 | 16926720 | zdp(jl, jk) = papm1(jl, jk) - papm1(jl, jk-1) | |
812 | pvph(jl, jk) = ((paphm1(jl,jk)-papm1(jl,jk-1))*zvpf(jl,jk)+(papm1(jl, & | ||
813 | 16926720 | jk)-paphm1(jl,jk))*zvpf(jl,jk-1))/zdp(jl, jk) | |
814 | 16926720 | IF (pvph(jl,jk)<gvsec) THEN | |
815 | 5018341 | pvph(jl, jk) = gvsec | |
816 | 5018341 | kcrit(jl) = jk | |
817 | END IF | ||
818 | END IF | ||
819 | END DO | ||
820 | END DO | ||
821 | |||
822 | ! * 2.3 mean flow richardson number. | ||
823 | |||
824 | |||
825 |
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|
37440 | DO jk = 2, klev |
826 |
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|
36298560 | DO jl = kidia, kfdia |
827 |
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|
36297600 | IF (ktest(jl)==1) THEN |
828 | 16926720 | zdwind = max(abs(zvpf(jl,jk)-zvpf(jl,jk-1)), gvsec) | |
829 | 16926720 | pri(jl, jk) = pstab(jl, jk)*(zdp(jl,jk)/(rg*prho(jl,jk)*zdwind))**2 | |
830 | 16926720 | pri(jl, jk) = max(pri(jl,jk), grcrit) | |
831 | END IF | ||
832 | END DO | ||
833 | END DO | ||
834 | |||
835 | |||
836 | |||
837 | ! * define top of 'envelope' layer | ||
838 | ! ---------------------------- | ||
839 | |||
840 |
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|
955200 | DO jl = kidia, kfdia |
841 | 954240 | pnu(jl) = 0.0 | |
842 | 955200 | znum(jl) = 0.0 | |
843 | END DO | ||
844 | |||
845 |
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|
36480 | DO jk = 2, klev - 1 |
846 |
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|
35343360 | DO jl = kidia, kfdia |
847 | |||
848 |
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|
35342400 | IF (ktest(jl)==1) THEN |
849 | |||
850 |
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|
16481280 | IF (jk>=kknu2(jl)) THEN |
851 | |||
852 | 2783750 | znum(jl) = pnu(jl) | |
853 | zwind = (pulow(jl)*pum1(jl,jk)+pvlow(jl)*pvm1(jl,jk))/ & | ||
854 | 2783750 | max(sqrt(pulow(jl)**2+pvlow(jl)**2), gvsec) | |
855 | 2783750 | zwind = max(sqrt(zwind**2), gvsec) | |
856 | 2783750 | zdelp = paphm1(jl, jk+1) - paphm1(jl, jk) | |
857 | 2783750 | zstabm = sqrt(max(pstab(jl,jk),gssec)) | |
858 | 2783750 | zstabp = sqrt(max(pstab(jl,jk+1),gssec)) | |
859 | 2783750 | zrhom = prho(jl, jk) | |
860 | 2783750 | zrhop = prho(jl, jk+1) | |
861 | pnu(jl) = pnu(jl) + (zdelp/rg)*((zstabp/zrhop+zstabm/zrhom)/2.)/ & | ||
862 | 2783750 | zwind | |
863 |
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|
556033 | IF ((znum(jl)<=gfrcrit) .AND. (pnu(jl)>gfrcrit) .AND. (kkenvh( & |
864 | 443877 | jl)==klev)) kkenvh(jl) = jk | |
865 | |||
866 | END IF | ||
867 | |||
868 | END IF | ||
869 | |||
870 | END DO | ||
871 | END DO | ||
872 | |||
873 | ! calculation of a dynamical mixing height for when the waves | ||
874 | ! BREAK AT LOW LEVEL: The drag will be repartited over | ||
875 | ! a depths that depends on waves vertical wavelength, | ||
876 | ! not just between two adjacent model layers. | ||
877 | ! of gravity waves: | ||
878 | |||
879 |
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|
955200 | DO jl = kidia, kfdia |
880 | 954240 | znup(jl) = 0.0 | |
881 | 955200 | znum(jl) = 0.0 | |
882 | END DO | ||
883 | |||
884 |
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|
36480 | DO jk = klev - 1, 2, -1 |
885 |
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|
35343360 | DO jl = kidia, kfdia |
886 | |||
887 |
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|
35342400 | IF (ktest(jl)==1) THEN |
888 | |||
889 | 16481280 | znum(jl) = znup(jl) | |
890 | zwind = (pulow(jl)*pum1(jl,jk)+pvlow(jl)*pvm1(jl,jk))/ & | ||
891 | 16481280 | max(sqrt(pulow(jl)**2+pvlow(jl)**2), gvsec) | |
892 | 16481280 | zwind = max(sqrt(zwind**2), gvsec) | |
893 | 16481280 | zdelp = paphm1(jl, jk+1) - paphm1(jl, jk) | |
894 | 16481280 | zstabm = sqrt(max(pstab(jl,jk),gssec)) | |
895 | 16481280 | zstabp = sqrt(max(pstab(jl,jk+1),gssec)) | |
896 | 16481280 | zrhom = prho(jl, jk) | |
897 | 16481280 | zrhop = prho(jl, jk+1) | |
898 | znup(jl) = znup(jl) + (zdelp/rg)*((zstabp/zrhop+zstabm/zrhom)/2.)/ & | ||
899 | 16481280 | zwind | |
900 |
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|
1160937 | IF ((znum(jl)<=rpi/4.) .AND. (znup(jl)>rpi/4.) .AND. (kkcrith( & |
901 | 445440 | jl)==klev)) kkcrith(jl) = jk | |
902 | |||
903 | END IF | ||
904 | |||
905 | END DO | ||
906 | END DO | ||
907 | |||
908 |
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|
955200 | DO jl = kidia, kfdia |
909 |
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|
955200 | IF (ktest(jl)==1) THEN |
910 | 445440 | kkcrith(jl) = max0(kkcrith(jl), ilevh*2) | |
911 | 445440 | kkcrith(jl) = max0(kkcrith(jl), kknu(jl)) | |
912 |
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|
445440 | IF (kcrit(jl)>=kkcrith(jl)) kcrit(jl) = 1 |
913 | END IF | ||
914 | END DO | ||
915 | |||
916 | ! directional info for flow blocking ************************* | ||
917 | |||
918 |
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|
38400 | DO jk = 1, klev |
919 |
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|
37253760 | DO jl = kidia, kfdia |
920 |
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|
37252800 | IF (ktest(jl)==1) THEN |
921 |
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|
4499456 | lo = (pum1(jl,jk)<gvsec) .AND. (pum1(jl,jk)>=-gvsec) |
922 | IF (lo) THEN | ||
923 | 110983 | zu = pum1(jl, jk) + 2.*gvsec | |
924 | ELSE | ||
925 | zu = pum1(jl, jk) | ||
926 | END IF | ||
927 | 17372160 | zphi = atan(pvm1(jl,jk)/zu) | |
928 | 17372160 | ppsi(jl, jk) = ptheta(jl)*rpi/180. - zphi | |
929 | END IF | ||
930 | END DO | ||
931 | END DO | ||
932 | |||
933 | ! forms the vertical 'leakiness' ************************** | ||
934 | |||
935 |
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|
26880 | DO jk = ilevh, klev |
936 |
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|
25791360 | DO jl = kidia, kfdia |
937 |
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|
25790400 | IF (ktest(jl)==1) THEN |
938 | 12026880 | pzdep(jl, jk) = 0 | |
939 |
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|
12026880 | IF (jk>=kkenvh(jl) .AND. kkenvh(jl)/=klev) THEN |
940 | pzdep(jl, jk) = (pgeom1(jl,kkenvh(jl))-pgeom1(jl,jk))/ & | ||
941 | 3115471 | (pgeom1(jl,kkenvh(jl))-pgeom1(jl,klev)) | |
942 | END IF | ||
943 | END IF | ||
944 | END DO | ||
945 | END DO | ||
946 | |||
947 | 960 | RETURN | |
948 | END SUBROUTINE orosetup_strato | ||
949 | 960 | SUBROUTINE gwstress_strato(nlon, nlev, kkcrit, ksect, kkhlim, ktest, kkcrith, & | |
950 | 960 | kcrit, kkenvh, kknu, prho, pstab, pvph, pstd, psig, pmea, ppic, pval, & | |
951 | ptfr, ptau, pgeom1, pgamma, pd1, pd2, pdmod, pnu) | ||
952 | |||
953 | ! **** *gwstress* | ||
954 | |||
955 | ! purpose. | ||
956 | ! -------- | ||
957 | ! Compute the surface stress due to Gravity Waves, according | ||
958 | ! to the Phillips (1979) theory of 3-D flow above | ||
959 | ! anisotropic elliptic ridges. | ||
960 | |||
961 | ! The stress is reduced two account for cut-off flow over | ||
962 | ! hill. The flow only see that part of the ridge located | ||
963 | ! above the blocked layer (see zeff). | ||
964 | |||
965 | ! ** interface. | ||
966 | ! ---------- | ||
967 | ! call *gwstress* from *gwdrag* | ||
968 | |||
969 | ! explicit arguments : | ||
970 | ! -------------------- | ||
971 | ! ==== inputs === | ||
972 | ! ==== outputs === | ||
973 | |||
974 | ! implicit arguments : none | ||
975 | ! -------------------- | ||
976 | |||
977 | ! method. | ||
978 | ! ------- | ||
979 | |||
980 | |||
981 | ! externals. | ||
982 | ! ---------- | ||
983 | |||
984 | |||
985 | ! reference. | ||
986 | ! ---------- | ||
987 | |||
988 | ! LOTT and MILLER (1997) & LOTT (1999) | ||
989 | |||
990 | ! author. | ||
991 | ! ------- | ||
992 | |||
993 | ! modifications. | ||
994 | ! -------------- | ||
995 | ! f. lott put the new gwd on ifs 22/11/93 | ||
996 | |||
997 | ! ----------------------------------------------------------------------- | ||
998 |
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|
106438079 | USE dimphy |
999 | IMPLICIT NONE | ||
1000 | |||
1001 | include "YOMCST.h" | ||
1002 | include "YOEGWD.h" | ||
1003 | |||
1004 | ! ----------------------------------------------------------------------- | ||
1005 | |||
1006 | ! * 0.1 arguments | ||
1007 | ! --------- | ||
1008 | |||
1009 | INTEGER nlon, nlev | ||
1010 | INTEGER kkcrit(nlon), kkcrith(nlon), kcrit(nlon), ksect(nlon), & | ||
1011 | kkhlim(nlon), ktest(nlon), kkenvh(nlon), kknu(nlon) | ||
1012 | |||
1013 | REAL prho(nlon, nlev+1), pstab(nlon, nlev+1), ptau(nlon, nlev+1), & | ||
1014 | pvph(nlon, nlev+1), ptfr(nlon), pgeom1(nlon, nlev), pstd(nlon) | ||
1015 | |||
1016 | REAL pd1(nlon), pd2(nlon), pnu(nlon), psig(nlon), pgamma(nlon) | ||
1017 | REAL pmea(nlon), ppic(nlon), pval(nlon) | ||
1018 | REAL pdmod(nlon) | ||
1019 | |||
1020 | ! ----------------------------------------------------------------------- | ||
1021 | |||
1022 | ! * 0.2 local arrays | ||
1023 | ! ------------ | ||
1024 | ! zeff--real: effective height seen by the flow when there is blocking | ||
1025 | |||
1026 | INTEGER jl | ||
1027 | REAL zeff | ||
1028 | |||
1029 | ! ----------------------------------------------------------------------- | ||
1030 | |||
1031 | ! * 0.3 functions | ||
1032 | ! --------- | ||
1033 | ! ------------------------------------------------------------------ | ||
1034 | |||
1035 | ! * 1. initialization | ||
1036 | ! -------------- | ||
1037 | |||
1038 | ! PRINT *,' in gwstress' | ||
1039 | |||
1040 | ! * 3.1 gravity wave stress. | ||
1041 | |||
1042 | |||
1043 | |||
1044 |
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|
955200 | DO jl = kidia, kfdia |
1045 |
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|
955200 | IF (ktest(jl)==1) THEN |
1046 | |||
1047 | ! effective mountain height above the blocked flow | ||
1048 | |||
1049 | 445440 | zeff = ppic(jl) - pval(jl) | |
1050 |
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|
445440 | IF (kkenvh(jl)<klev) THEN |
1051 | 443877 | zeff = amin1(gfrcrit*pvph(jl,klev+1)/sqrt(pstab(jl,klev+1)), zeff) | |
1052 | END IF | ||
1053 | |||
1054 | |||
1055 | ptau(jl, klev+1) = gkdrag*prho(jl, klev+1)*psig(jl)*pdmod(jl)/4./ & | ||
1056 | 445440 | pstd(jl)*pvph(jl, klev+1)*sqrt(pstab(jl,klev+1))*zeff**2 | |
1057 | |||
1058 | |||
1059 | ! too small value of stress or low level flow include critical level | ||
1060 | ! or low level flow: gravity wave stress nul. | ||
1061 | |||
1062 | ! lo=(ptau(jl,klev+1).lt.gtsec).or.(kcrit(jl).ge.kknu(jl)) | ||
1063 | ! * .or.(pvph(jl,klev+1).lt.gvcrit) | ||
1064 | ! if(lo) ptau(jl,klev+1)=0.0 | ||
1065 | |||
1066 | ! print *,jl,ptau(jl,klev+1) | ||
1067 | |||
1068 | ELSE | ||
1069 | |||
1070 | 508800 | ptau(jl, klev+1) = 0.0 | |
1071 | |||
1072 | END IF | ||
1073 | |||
1074 | END DO | ||
1075 | |||
1076 | ! write(21)(ptau(jl,klev+1),jl=kidia,kfdia) | ||
1077 | |||
1078 | 960 | RETURN | |
1079 | END SUBROUTINE gwstress_strato | ||
1080 | |||
1081 | 960 | SUBROUTINE gwprofil_strato(nlon, nlev, kgwd, kdx, ktest, kkcrit, kkcrith, & | |
1082 | 960 | kcrit, kkenvh, kknu, kknu2, paphm1, prho, pstab, ptfr, pvph, pri, ptau, & | |
1083 | pdmod, pnu, psig, pgamma, pstd, ppic, pval) | ||
1084 | |||
1085 | ! **** *gwprofil* | ||
1086 | |||
1087 | ! purpose. | ||
1088 | ! -------- | ||
1089 | |||
1090 | ! ** interface. | ||
1091 | ! ---------- | ||
1092 | ! from *gwdrag* | ||
1093 | |||
1094 | ! explicit arguments : | ||
1095 | ! -------------------- | ||
1096 | ! ==== inputs === | ||
1097 | |||
1098 | ! ==== outputs === | ||
1099 | |||
1100 | ! implicit arguments : none | ||
1101 | ! -------------------- | ||
1102 | |||
1103 | ! method: | ||
1104 | ! ------- | ||
1105 | ! the stress profile for gravity waves is computed as follows: | ||
1106 | ! it decreases linearly with heights from the ground | ||
1107 | ! to the low-level indicated by kkcrith, | ||
1108 | ! to simulates lee waves or | ||
1109 | ! low-level gravity wave breaking. | ||
1110 | ! above it is constant, except when the waves encounter a critical | ||
1111 | ! level (kcrit) or when they break. | ||
1112 | ! The stress is also uniformly distributed above the level | ||
1113 | ! nstra. | ||
1114 | |||
1115 | 445440 | USE dimphy | |
1116 | IMPLICIT NONE | ||
1117 | |||
1118 | include "YOMCST.h" | ||
1119 | include "YOEGWD.h" | ||
1120 | |||
1121 | ! ----------------------------------------------------------------------- | ||
1122 | |||
1123 | ! * 0.1 ARGUMENTS | ||
1124 | ! --------- | ||
1125 | |||
1126 | INTEGER nlon, nlev, kgwd | ||
1127 | INTEGER kkcrit(nlon), kkcrith(nlon), kcrit(nlon), kdx(nlon), ktest(nlon), & | ||
1128 | kkenvh(nlon), kknu(nlon), kknu2(nlon) | ||
1129 | |||
1130 | REAL paphm1(nlon, nlev+1), pstab(nlon, nlev+1), prho(nlon, nlev+1), & | ||
1131 | pvph(nlon, nlev+1), pri(nlon, nlev+1), ptfr(nlon), ptau(nlon, nlev+1) | ||
1132 | |||
1133 | REAL pdmod(nlon), pnu(nlon), psig(nlon), pgamma(nlon), pstd(nlon), & | ||
1134 | ppic(nlon), pval(nlon) | ||
1135 | |||
1136 | ! ----------------------------------------------------------------------- | ||
1137 | |||
1138 | ! * 0.2 local arrays | ||
1139 | ! ------------ | ||
1140 | |||
1141 | INTEGER jl, jk | ||
1142 | REAL zsqr, zalfa, zriw, zdel, zb, zalpha, zdz2n, zdelp, zdelpt | ||
1143 | |||
1144 | 1920 | REAL zdz2(klon, klev), znorm(klon), zoro(klon) | |
1145 | 1920 | REAL ztau(klon, klev+1) | |
1146 | |||
1147 | ! ----------------------------------------------------------------------- | ||
1148 | |||
1149 | ! * 1. INITIALIZATION | ||
1150 | ! -------------- | ||
1151 | |||
1152 | ! print *,' entree gwprofil' | ||
1153 | |||
1154 | |||
1155 | ! * COMPUTATIONAL CONSTANTS. | ||
1156 | ! ------------- ---------- | ||
1157 | |||
1158 |
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955200 | DO jl = kidia, kfdia |
1159 |
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|
955200 | IF (ktest(jl)==1) THEN |
1160 | 445440 | zoro(jl) = psig(jl)*pdmod(jl)/4./pstd(jl) | |
1161 | 445440 | ztau(jl, klev+1) = ptau(jl, klev+1) | |
1162 | ! print *,jl,ptau(jl,klev+1) | ||
1163 | 445440 | ztau(jl, kkcrith(jl)) = grahilo*ptau(jl, klev+1) | |
1164 | END IF | ||
1165 | END DO | ||
1166 | |||
1167 | |||
1168 |
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|
39360 | DO jk = klev + 1, 1, -1 |
1169 | ! * 4.1 constant shear stress until top of the | ||
1170 | ! low-level breaking/trapped layer | ||
1171 | |||
1172 |
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38208960 | DO jl = kidia, kfdia |
1173 |
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38208000 | IF (ktest(jl)==1) THEN |
1174 |
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|
17817600 | IF (jk>kkcrith(jl)) THEN |
1175 | 1606377 | zdelp = paphm1(jl, jk) - paphm1(jl, klev+1) | |
1176 | 1606377 | zdelpt = paphm1(jl, kkcrith(jl)) - paphm1(jl, klev+1) | |
1177 | ptau(jl, jk) = ztau(jl, klev+1) + zdelp/zdelpt*(ztau(jl,kkcrith(jl) & | ||
1178 | 1606377 | )-ztau(jl,klev+1)) | |
1179 | ELSE | ||
1180 | 16211223 | ptau(jl, jk) = ztau(jl, kkcrith(jl)) | |
1181 | END IF | ||
1182 | END IF | ||
1183 | END DO | ||
1184 | |||
1185 | ! * 4.15 constant shear stress until the top of the | ||
1186 | ! low level flow layer. | ||
1187 | |||
1188 | |||
1189 | ! * 4.2 wave displacement at next level. | ||
1190 | |||
1191 | |||
1192 | END DO | ||
1193 | |||
1194 | |||
1195 | ! * 4.4 wave richardson number, new wave displacement | ||
1196 | ! * and stress: breaking evaluation and critical | ||
1197 | ! level | ||
1198 | |||
1199 | |||
1200 |
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|
38400 | DO jk = klev, 1, -1 |
1201 | |||
1202 |
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|
37252800 | DO jl = kidia, kfdia |
1203 |
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|
37252800 | IF (ktest(jl)==1) THEN |
1204 | 17372160 | znorm(jl) = prho(jl, jk)*sqrt(pstab(jl,jk))*pvph(jl, jk) | |
1205 | 17372160 | zdz2(jl, jk) = ptau(jl, jk)/amax1(znorm(jl), gssec)/zoro(jl) | |
1206 | END IF | ||
1207 | END DO | ||
1208 | |||
1209 |
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|
37253760 | DO jl = kidia, kfdia |
1210 |
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|
37252800 | IF (ktest(jl)==1) THEN |
1211 |
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|
17372160 | IF (jk<kkcrith(jl)) THEN |
1212 |
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|
15765783 | IF ((ptau(jl,jk+1)<gtsec) .OR. (jk<=kcrit(jl))) THEN |
1213 | 7731992 | ptau(jl, jk) = 0.0 | |
1214 | ELSE | ||
1215 | 8033791 | zsqr = sqrt(pri(jl,jk)) | |
1216 | 8033791 | zalfa = sqrt(pstab(jl,jk)*zdz2(jl,jk))/pvph(jl, jk) | |
1217 | 8033791 | zriw = pri(jl, jk)*(1.-zalfa)/(1+zalfa*zsqr)**2 | |
1218 |
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|
8033791 | IF (zriw<grcrit) THEN |
1219 | ! print *,' breaking!!!',ptau(jl,jk) | ||
1220 | 1200486 | zdel = 4./zsqr/grcrit + 1./grcrit**2 + 4./grcrit | |
1221 | 1200486 | zb = 1./grcrit + 2./zsqr | |
1222 | 1200486 | zalpha = 0.5*(-zb+sqrt(zdel)) | |
1223 | 1200486 | zdz2n = (pvph(jl,jk)*zalpha)**2/pstab(jl, jk) | |
1224 | 1200486 | ptau(jl, jk) = znorm(jl)*zdz2n*zoro(jl) | |
1225 | END IF | ||
1226 | |||
1227 | 8033791 | ptau(jl, jk) = amin1(ptau(jl,jk), ptau(jl,jk+1)) | |
1228 | |||
1229 | END IF | ||
1230 | END IF | ||
1231 | END IF | ||
1232 | END DO | ||
1233 | END DO | ||
1234 | |||
1235 | ! REORGANISATION OF THE STRESS PROFILE AT LOW LEVEL | ||
1236 | |||
1237 |
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955200 | DO jl = kidia, kfdia |
1238 |
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|
955200 | IF (ktest(jl)==1) THEN |
1239 | 445440 | ztau(jl, kkcrith(jl)-1) = ptau(jl, kkcrith(jl)-1) | |
1240 | 445440 | ztau(jl, nstra) = ptau(jl, nstra) | |
1241 | END IF | ||
1242 | END DO | ||
1243 | |||
1244 |
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38400 | DO jk = 1, klev |
1245 | |||
1246 |
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37252800 | DO jl = kidia, kfdia |
1247 |
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|
37252800 | IF (ktest(jl)==1) THEN |
1248 | |||
1249 |
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|
17372160 | IF (jk>kkcrith(jl)-1) THEN |
1250 | |||
1251 | 1606377 | zdelp = paphm1(jl, jk) - paphm1(jl, klev+1) | |
1252 | 1606377 | zdelpt = paphm1(jl, kkcrith(jl)-1) - paphm1(jl, klev+1) | |
1253 | ptau(jl, jk) = ztau(jl, klev+1) + (ztau(jl,kkcrith(jl)-1)-ztau(jl, & | ||
1254 | 1606377 | klev+1))*zdelp/zdelpt | |
1255 | |||
1256 | END IF | ||
1257 | END IF | ||
1258 | |||
1259 | END DO | ||
1260 | |||
1261 | ! REORGANISATION AT THE MODEL TOP.... | ||
1262 | |||
1263 |
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37253760 | DO jl = kidia, kfdia |
1264 |
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37252800 | IF (ktest(jl)==1) THEN |
1265 | |||
1266 |
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|
17372160 | IF (jk<nstra) THEN |
1267 | |||
1268 | ✗ | zdelp = paphm1(jl, nstra) | |
1269 | ✗ | zdelpt = paphm1(jl, jk) | |
1270 | ✗ | ptau(jl, jk) = ztau(jl, nstra)*zdelpt/zdelp | |
1271 | ! ptau(jl,jk)=ztau(jl,nstra) | ||
1272 | |||
1273 | END IF | ||
1274 | |||
1275 | END IF | ||
1276 | |||
1277 | END DO | ||
1278 | |||
1279 | |||
1280 | END DO | ||
1281 | |||
1282 | |||
1283 | 123 FORMAT (I4, 1X, 20(F6.3,1X)) | ||
1284 | |||
1285 | |||
1286 | 960 | RETURN | |
1287 | END SUBROUTINE gwprofil_strato | ||
1288 | 37215840 | SUBROUTINE lift_noro_strato(nlon, nlev, dtime, paprs, pplay, plat, pmea, & | |
1289 | 480 | pstd, psig, pgam, pthe, ppic, pval, kgwd, kdx, ktest, t, u, v, pulow, & | |
1290 | 480 | pvlow, pustr, pvstr, d_t, d_u, d_v) | |
1291 | |||
1292 | USE dimphy | ||
1293 | IMPLICIT NONE | ||
1294 | ! ====================================================================== | ||
1295 | ! Auteur(s): F.Lott (LMD/CNRS) date: 19950201 | ||
1296 | ! Object: Mountain lift interface (enhanced vortex stretching). | ||
1297 | ! Made necessary because: | ||
1298 | ! 1. in the LMD-GCM Layers are from bottom to top, | ||
1299 | ! contrary to most European GCM. | ||
1300 | ! 2. the altitude above ground of each model layers | ||
1301 | ! needs to be known (variable zgeom) | ||
1302 | ! ====================================================================== | ||
1303 | ! Explicit Arguments: | ||
1304 | ! ================== | ||
1305 | ! nlon----input-I-Total number of horizontal points that get into physics | ||
1306 | ! nlev----input-I-Number of vertical levels | ||
1307 | ! dtime---input-R-Time-step (s) | ||
1308 | ! paprs---input-R-Pressure in semi layers (Pa) | ||
1309 | ! pplay---input-R-Pressure model-layers (Pa) | ||
1310 | ! t-------input-R-temperature (K) | ||
1311 | ! u-------input-R-Horizontal wind (m/s) | ||
1312 | ! v-------input-R-Meridional wind (m/s) | ||
1313 | ! pmea----input-R-Mean Orography (m) | ||
1314 | ! pstd----input-R-SSO standard deviation (m) | ||
1315 | ! psig----input-R-SSO slope | ||
1316 | ! pgam----input-R-SSO Anisotropy | ||
1317 | ! pthe----input-R-SSO Angle | ||
1318 | ! ppic----input-R-SSO Peacks elevation (m) | ||
1319 | ! pval----input-R-SSO Valleys elevation (m) | ||
1320 | |||
1321 | ! kgwd- -input-I: Total nb of points where the orography schemes are active | ||
1322 | ! ktest--input-I: Flags to indicate active points | ||
1323 | ! kdx----input-I: Locate the physical location of an active point. | ||
1324 | |||
1325 | ! pulow, pvlow -output-R: Low-level wind | ||
1326 | ! pustr, pvstr -output-R: Surface stress due to SSO drag (Pa) | ||
1327 | |||
1328 | ! d_t-----output-R: T increment | ||
1329 | ! d_u-----output-R: U increment | ||
1330 | ! d_v-----output-R: V increment | ||
1331 | |||
1332 | ! Implicit Arguments: | ||
1333 | ! =================== | ||
1334 | |||
1335 | ! iim--common-I: Number of longitude intervals | ||
1336 | ! jjm--common-I: Number of latitude intervals | ||
1337 | ! klon-common-I: Number of points seen by the physics | ||
1338 | ! (iim+1)*(jjm+1) for instance | ||
1339 | ! klev-common-I: Number of vertical layers | ||
1340 | ! ====================================================================== | ||
1341 | ! Local Variables: | ||
1342 | ! ================ | ||
1343 | |||
1344 | ! zgeom-----R: Altitude of layer above ground | ||
1345 | ! pt, pu, pv --R: t u v from top to bottom | ||
1346 | ! pdtdt, pdudt, pdvdt --R: t u v tendencies (from top to bottom) | ||
1347 | ! papmf: pressure at model layer (from top to bottom) | ||
1348 | ! papmh: pressure at model 1/2 layer (from top to bottom) | ||
1349 | |||
1350 | ! ====================================================================== | ||
1351 | |||
1352 | include "YOMCST.h" | ||
1353 | include "YOEGWD.h" | ||
1354 | |||
1355 | ! ARGUMENTS | ||
1356 | |||
1357 | INTEGER nlon, nlev | ||
1358 | REAL dtime | ||
1359 | REAL paprs(klon, klev+1) | ||
1360 | REAL pplay(klon, klev) | ||
1361 | REAL plat(nlon), pmea(nlon) | ||
1362 | REAL pstd(nlon), psig(nlon), pgam(nlon), pthe(nlon) | ||
1363 | REAL ppic(nlon), pval(nlon) | ||
1364 | REAL pulow(nlon), pvlow(nlon), pustr(nlon), pvstr(nlon) | ||
1365 | REAL t(nlon, nlev), u(nlon, nlev), v(nlon, nlev) | ||
1366 | REAL d_t(nlon, nlev), d_u(nlon, nlev), d_v(nlon, nlev) | ||
1367 | |||
1368 | INTEGER i, k, kgwd, kdx(nlon), ktest(nlon) | ||
1369 | |||
1370 | ! Variables locales: | ||
1371 | |||
1372 | 960 | REAL zgeom(klon, klev) | |
1373 | 960 | REAL pdtdt(klon, klev), pdudt(klon, klev), pdvdt(klon, klev) | |
1374 | 960 | REAL pt(klon, klev), pu(klon, klev), pv(klon, klev) | |
1375 | 480 | REAL papmf(klon, klev), papmh(klon, klev+1) | |
1376 | |||
1377 | ! initialiser les variables de sortie (pour securite) | ||
1378 | |||
1379 | |||
1380 | ! print *,'in lift_noro' | ||
1381 |
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|
477600 | DO i = 1, klon |
1382 | 477120 | pulow(i) = 0.0 | |
1383 | 477120 | pvlow(i) = 0.0 | |
1384 | 477120 | pustr(i) = 0.0 | |
1385 | 477600 | pvstr(i) = 0.0 | |
1386 | END DO | ||
1387 |
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19200 | DO k = 1, klev |
1388 |
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|
18626880 | DO i = 1, klon |
1389 | 18607680 | d_t(i, k) = 0.0 | |
1390 | 18607680 | d_u(i, k) = 0.0 | |
1391 | 18607680 | d_v(i, k) = 0.0 | |
1392 | 18607680 | pdudt(i, k) = 0.0 | |
1393 | 18607680 | pdvdt(i, k) = 0.0 | |
1394 | 18626400 | pdtdt(i, k) = 0.0 | |
1395 | END DO | ||
1396 | END DO | ||
1397 | |||
1398 | ! preparer les variables d'entree (attention: l'ordre des niveaux | ||
1399 | ! verticaux augmente du haut vers le bas) | ||
1400 | |||
1401 |
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19200 | DO k = 1, klev |
1402 |
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18626880 | DO i = 1, klon |
1403 | 18607680 | pt(i, k) = t(i, klev-k+1) | |
1404 | 18607680 | pu(i, k) = u(i, klev-k+1) | |
1405 | 18607680 | pv(i, k) = v(i, klev-k+1) | |
1406 | 18626400 | papmf(i, k) = pplay(i, klev-k+1) | |
1407 | END DO | ||
1408 | END DO | ||
1409 |
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19680 | DO k = 1, klev + 1 |
1410 |
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|
19104480 | DO i = 1, klon |
1411 | 19104000 | papmh(i, k) = paprs(i, klev-k+2) | |
1412 | END DO | ||
1413 | END DO | ||
1414 |
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|
477600 | DO i = 1, klon |
1415 | 477600 | zgeom(i, klev) = rd*pt(i, klev)*log(papmh(i,klev+1)/papmf(i,klev)) | |
1416 | END DO | ||
1417 |
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18720 | DO k = klev - 1, 1, -1 |
1418 |
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18149280 | DO i = 1, klon |
1419 | zgeom(i, k) = zgeom(i, k+1) + rd*(pt(i,k)+pt(i,k+1))/2.0*log(papmf(i,k+ & | ||
1420 | 18148800 | 1)/papmf(i,k)) | |
1421 | END DO | ||
1422 | END DO | ||
1423 | |||
1424 | ! appeler la routine principale | ||
1425 | |||
1426 | |||
1427 | CALL orolift_strato(klon, klev, kgwd, kdx, ktest, dtime, papmh, papmf, & | ||
1428 | zgeom, pt, pu, pv, plat, pmea, pstd, psig, pgam, pthe, ppic, pval, pulow, & | ||
1429 | 480 | pvlow, pdudt, pdvdt, pdtdt) | |
1430 | |||
1431 |
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19200 | DO k = 1, klev |
1432 |
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18626880 | DO i = 1, klon |
1433 | 18607680 | d_u(i, klev+1-k) = dtime*pdudt(i, k) | |
1434 | 18607680 | d_v(i, klev+1-k) = dtime*pdvdt(i, k) | |
1435 | 18607680 | d_t(i, klev+1-k) = dtime*pdtdt(i, k) | |
1436 | 18607680 | pustr(i) = pustr(i) + pdudt(i, k)*(papmh(i,k+1)-papmh(i,k))/rg | |
1437 | 18626400 | pvstr(i) = pvstr(i) + pdvdt(i, k)*(papmh(i,k+1)-papmh(i,k))/rg | |
1438 | END DO | ||
1439 | END DO | ||
1440 | |||
1441 | ! print *,' out lift_noro' | ||
1442 | |||
1443 | 480 | RETURN | |
1444 | END SUBROUTINE lift_noro_strato | ||
1445 | 10959028 | SUBROUTINE orolift_strato(nlon, nlev, kgwd, kdx, ktest, ptsphy, paphm1, & | |
1446 | papm1, pgeom1, ptm1, pum1, pvm1, plat, pmea, pstd, psig, pgam, pthe, & | ||
1447 | ppic, pval & ! OUTPUTS | ||
1448 | 480 | , pulow, pvlow, pvom, pvol, pte) | |
1449 | |||
1450 | |||
1451 | ! **** *OROLIFT: SIMULATE THE GEOSTROPHIC LIFT. | ||
1452 | |||
1453 | ! PURPOSE. | ||
1454 | ! -------- | ||
1455 | ! this routine computes the physical tendencies of the | ||
1456 | ! prognostic variables u,v when enhanced vortex stretching | ||
1457 | ! is needed. | ||
1458 | |||
1459 | ! ** INTERFACE. | ||
1460 | ! ---------- | ||
1461 | ! CALLED FROM *lift_noro | ||
1462 | ! explicit arguments : | ||
1463 | ! -------------------- | ||
1464 | ! ==== inputs === | ||
1465 | ! nlon----input-I-Total number of horizontal points that get into physics | ||
1466 | ! nlev----input-I-Number of vertical levels | ||
1467 | |||
1468 | ! kgwd- -input-I: Total nb of points where the orography schemes are active | ||
1469 | ! ktest--input-I: Flags to indicate active points | ||
1470 | ! kdx----input-I: Locate the physical location of an active point. | ||
1471 | ! ptsphy--input-R-Time-step (s) | ||
1472 | ! paphm1--input-R: pressure at model 1/2 layer | ||
1473 | ! papm1---input-R: pressure at model layer | ||
1474 | ! pgeom1--input-R: Altitude of layer above ground | ||
1475 | ! ptm1, pum1, pvm1--R-: t, u and v | ||
1476 | ! pmea----input-R-Mean Orography (m) | ||
1477 | ! pstd----input-R-SSO standard deviation (m) | ||
1478 | ! psig----input-R-SSO slope | ||
1479 | ! pgam----input-R-SSO Anisotropy | ||
1480 | ! pthe----input-R-SSO Angle | ||
1481 | ! ppic----input-R-SSO Peacks elevation (m) | ||
1482 | ! pval----input-R-SSO Valleys elevation (m) | ||
1483 | ! plat----input-R-Latitude (degree) | ||
1484 | |||
1485 | ! ==== outputs === | ||
1486 | ! pulow, pvlow -output-R: Low-level wind | ||
1487 | |||
1488 | ! pte -----output-R: T tendency | ||
1489 | ! pvom-----output-R: U tendency | ||
1490 | ! pvol-----output-R: V tendency | ||
1491 | |||
1492 | |||
1493 | ! Implicit Arguments: | ||
1494 | ! =================== | ||
1495 | |||
1496 | ! klon-common-I: Number of points seen by the physics | ||
1497 | ! klev-common-I: Number of vertical layers | ||
1498 | |||
1499 | |||
1500 | ! ---------- | ||
1501 | |||
1502 | ! AUTHOR. | ||
1503 | ! ------- | ||
1504 | ! F.LOTT LMD 22/11/95 | ||
1505 | |||
1506 | USE dimphy | ||
1507 | IMPLICIT NONE | ||
1508 | |||
1509 | |||
1510 | include "YOMCST.h" | ||
1511 | include "YOEGWD.h" | ||
1512 | ! ----------------------------------------------------------------------- | ||
1513 | |||
1514 | ! * 0.1 ARGUMENTS | ||
1515 | ! --------- | ||
1516 | |||
1517 | |||
1518 | INTEGER nlon, nlev, kgwd | ||
1519 | REAL ptsphy | ||
1520 | REAL pte(nlon, nlev), pvol(nlon, nlev), pvom(nlon, nlev), pulow(nlon), & | ||
1521 | pvlow(nlon) | ||
1522 | REAL pum1(nlon, nlev), pvm1(nlon, nlev), ptm1(nlon, nlev), plat(nlon), & | ||
1523 | pmea(nlon), pstd(nlon), psig(nlon), pgam(nlon), pthe(nlon), ppic(nlon), & | ||
1524 | pval(nlon), pgeom1(nlon, nlev), papm1(nlon, nlev), paphm1(nlon, nlev+1) | ||
1525 | |||
1526 | INTEGER kdx(nlon), ktest(nlon) | ||
1527 | ! ----------------------------------------------------------------------- | ||
1528 | |||
1529 | ! * 0.2 local arrays | ||
1530 | |||
1531 | INTEGER jl, ilevh, jk | ||
1532 | REAL zhgeo, zdelp, zslow, zsqua, zscav, zbet | ||
1533 | ! ------------ | ||
1534 | 960 | INTEGER iknub(klon), iknul(klon) | |
1535 | 960 | LOGICAL ll1(klon, klev+1) | |
1536 | |||
1537 | 960 | REAL ztau(klon, klev+1), ztav(klon, klev+1), zrho(klon, klev+1) | |
1538 | 960 | REAL zdudt(klon), zdvdt(klon) | |
1539 | 960 | REAL zhcrit(klon, klev) | |
1540 | |||
1541 | LOGICAL lifthigh | ||
1542 | REAL zcons1, ztmst | ||
1543 | CHARACTER (LEN=20) :: modname = 'orolift_strato' | ||
1544 | CHARACTER (LEN=80) :: abort_message | ||
1545 | |||
1546 | |||
1547 | ! ----------------------------------------------------------------------- | ||
1548 | |||
1549 | ! * 1.1 initialisations | ||
1550 | ! --------------- | ||
1551 | |||
1552 | lifthigh = .FALSE. | ||
1553 | |||
1554 |
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480 | IF (nlon/=klon .OR. nlev/=klev) THEN |
1555 | ✗ | abort_message = 'pb dimension' | |
1556 | ✗ | CALL abort_physic(modname, abort_message, 1) | |
1557 | END IF | ||
1558 | 480 | zcons1 = 1./rd | |
1559 | 480 | ztmst = ptsphy | |
1560 | |||
1561 |
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|
477600 | DO jl = kidia, kfdia |
1562 | 477120 | zrho(jl, klev+1) = 0.0 | |
1563 | 477120 | pulow(jl) = 0.0 | |
1564 | 477120 | pvlow(jl) = 0.0 | |
1565 | 477120 | iknub(jl) = klev | |
1566 | 477120 | iknul(jl) = klev | |
1567 | ilevh = klev/3 | ||
1568 | 477120 | ll1(jl, klev+1) = .FALSE. | |
1569 |
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|
19085280 | DO jk = 1, klev |
1570 | 18607680 | pvom(jl, jk) = 0.0 | |
1571 | 18607680 | pvol(jl, jk) = 0.0 | |
1572 | 19084800 | pte(jl, jk) = 0.0 | |
1573 | END DO | ||
1574 | END DO | ||
1575 | |||
1576 | |||
1577 | ! * 2.1 DEFINE LOW LEVEL WIND, PROJECT WINDS IN PLANE OF | ||
1578 | ! * LOW LEVEL WIND, DETERMINE SECTOR IN WHICH TO TAKE | ||
1579 | ! * THE VARIANCE AND SET INDICATOR FOR CRITICAL LEVELS. | ||
1580 | |||
1581 | |||
1582 | |||
1583 |
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19200 | DO jk = klev, 1, -1 |
1584 |
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18626880 | DO jl = kidia, kfdia |
1585 |
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|
18626400 | IF (ktest(jl)==1) THEN |
1586 | 8686080 | zhcrit(jl, jk) = amax1(ppic(jl)-pval(jl), 100.) | |
1587 | 8686080 | zhgeo = pgeom1(jl, jk)/rg | |
1588 | 8686080 | ll1(jl, jk) = (zhgeo>zhcrit(jl,jk)) | |
1589 |
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|
8686080 | IF (ll1(jl,jk) .NEQV. ll1(jl,jk+1)) THEN |
1590 | 222720 | iknub(jl) = jk | |
1591 | END IF | ||
1592 | END IF | ||
1593 | END DO | ||
1594 | END DO | ||
1595 | |||
1596 | |||
1597 |
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477600 | DO jl = kidia, kfdia |
1598 |
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|
477600 | IF (ktest(jl)==1) THEN |
1599 | 222720 | iknub(jl) = max(iknub(jl), klev/2) | |
1600 | 222720 | iknul(jl) = max(iknul(jl), 2*klev/3) | |
1601 |
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222720 | IF (iknub(jl)>nktopg) iknub(jl) = nktopg |
1602 |
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222720 | IF (iknub(jl)==nktopg) iknul(jl) = klev |
1603 |
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|
222720 | IF (iknub(jl)==iknul(jl)) iknub(jl) = iknul(jl) - 1 |
1604 | END IF | ||
1605 | END DO | ||
1606 | |||
1607 |
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18720 | DO jk = klev, 2, -1 |
1608 |
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|
18149280 | DO jl = kidia, kfdia |
1609 | 18148800 | zrho(jl, jk) = 2.*paphm1(jl, jk)*zcons1/(ptm1(jl,jk)+ptm1(jl,jk-1)) | |
1610 | END DO | ||
1611 | END DO | ||
1612 | ! print *,' dans orolift: 223' | ||
1613 | |||
1614 | ! ******************************************************************** | ||
1615 | |||
1616 | ! * define low level flow | ||
1617 | ! ------------------- | ||
1618 |
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19200 | DO jk = klev, 1, -1 |
1619 |
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18626880 | DO jl = kidia, kfdia |
1620 |
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18626400 | IF (ktest(jl)==1) THEN |
1621 |
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8686080 | IF (jk>=iknub(jl) .AND. jk<=iknul(jl)) THEN |
1622 | pulow(jl) = pulow(jl) + pum1(jl, jk)*(paphm1(jl,jk+1)-paphm1(jl,jk) & | ||
1623 | 1826548 | ) | |
1624 | pvlow(jl) = pvlow(jl) + pvm1(jl, jk)*(paphm1(jl,jk+1)-paphm1(jl,jk) & | ||
1625 | 1826548 | ) | |
1626 | zrho(jl, klev+1) = zrho(jl, klev+1) + zrho(jl, jk)*(paphm1(jl,jk+1) & | ||
1627 | 1826548 | -paphm1(jl,jk)) | |
1628 | END IF | ||
1629 | END IF | ||
1630 | END DO | ||
1631 | END DO | ||
1632 |
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477600 | DO jl = kidia, kfdia |
1633 |
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|
477600 | IF (ktest(jl)==1) THEN |
1634 | 222720 | pulow(jl) = pulow(jl)/(paphm1(jl,iknul(jl)+1)-paphm1(jl,iknub(jl))) | |
1635 | 222720 | pvlow(jl) = pvlow(jl)/(paphm1(jl,iknul(jl)+1)-paphm1(jl,iknub(jl))) | |
1636 | zrho(jl, klev+1) = zrho(jl, klev+1)/(paphm1(jl,iknul(jl)+1)-paphm1(jl, & | ||
1637 | 222720 | iknub(jl))) | |
1638 | END IF | ||
1639 | END DO | ||
1640 | |||
1641 | ! *********************************************************** | ||
1642 | |||
1643 | ! * 3. COMPUTE MOUNTAIN LIFT | ||
1644 | |||
1645 | |||
1646 |
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477600 | DO jl = kidia, kfdia |
1647 |
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|
477600 | IF (ktest(jl)==1) THEN |
1648 | ztau(jl, klev+1) = -gklift*zrho(jl, klev+1)*2.*romega* & ! * | ||
1649 | ! (2*pstd(jl)+pmea(jl))* | ||
1650 | 222720 | 2*pstd(jl)*sin(rpi/180.*plat(jl))*pvlow(jl) | |
1651 | ztav(jl, klev+1) = gklift*zrho(jl, klev+1)*2.*romega* & ! * | ||
1652 | ! (2*pstd(jl)+pmea(jl))* | ||
1653 | 222720 | 2*pstd(jl)*sin(rpi/180.*plat(jl))*pulow(jl) | |
1654 | ELSE | ||
1655 | 254400 | ztau(jl, klev+1) = 0.0 | |
1656 | 254400 | ztav(jl, klev+1) = 0.0 | |
1657 | END IF | ||
1658 | END DO | ||
1659 | |||
1660 | ! * 4. COMPUTE LIFT PROFILE | ||
1661 | ! * -------------------- | ||
1662 | |||
1663 | |||
1664 | |||
1665 |
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19200 | DO jk = 1, klev |
1666 |
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18626880 | DO jl = kidia, kfdia |
1667 |
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18626400 | IF (ktest(jl)==1) THEN |
1668 | 8686080 | ztau(jl, jk) = ztau(jl, klev+1)*paphm1(jl, jk)/paphm1(jl, klev+1) | |
1669 | 8686080 | ztav(jl, jk) = ztav(jl, klev+1)*paphm1(jl, jk)/paphm1(jl, klev+1) | |
1670 | ELSE | ||
1671 | 9921600 | ztau(jl, jk) = 0.0 | |
1672 | 9921600 | ztav(jl, jk) = 0.0 | |
1673 | END IF | ||
1674 | END DO | ||
1675 | END DO | ||
1676 | |||
1677 | |||
1678 | ! * 5. COMPUTE TENDENCIES. | ||
1679 | ! * ------------------- | ||
1680 | IF (lifthigh) THEN | ||
1681 | ! EXPLICIT SOLUTION AT ALL LEVELS | ||
1682 | |||
1683 | DO jk = 1, klev | ||
1684 | DO jl = kidia, kfdia | ||
1685 | IF (ktest(jl)==1) THEN | ||
1686 | zdelp = paphm1(jl, jk+1) - paphm1(jl, jk) | ||
1687 | zdudt(jl) = -rg*(ztau(jl,jk+1)-ztau(jl,jk))/zdelp | ||
1688 | zdvdt(jl) = -rg*(ztav(jl,jk+1)-ztav(jl,jk))/zdelp | ||
1689 | END IF | ||
1690 | END DO | ||
1691 | END DO | ||
1692 | |||
1693 | ! PROJECT PERPENDICULARLY TO U NOT TO DESTROY ENERGY | ||
1694 | |||
1695 | DO jk = 1, klev | ||
1696 | DO jl = kidia, kfdia | ||
1697 | IF (ktest(jl)==1) THEN | ||
1698 | |||
1699 | zslow = sqrt(pulow(jl)**2+pvlow(jl)**2) | ||
1700 | zsqua = amax1(sqrt(pum1(jl,jk)**2+pvm1(jl,jk)**2), gvsec) | ||
1701 | zscav = -zdudt(jl)*pvm1(jl, jk) + zdvdt(jl)*pum1(jl, jk) | ||
1702 | IF (zsqua>gvsec) THEN | ||
1703 | pvom(jl, jk) = -zscav*pvm1(jl, jk)/zsqua**2 | ||
1704 | pvol(jl, jk) = zscav*pum1(jl, jk)/zsqua**2 | ||
1705 | ELSE | ||
1706 | pvom(jl, jk) = 0.0 | ||
1707 | pvol(jl, jk) = 0.0 | ||
1708 | END IF | ||
1709 | zsqua = sqrt(pum1(jl,jk)**2+pum1(jl,jk)**2) | ||
1710 | IF (zsqua<zslow) THEN | ||
1711 | pvom(jl, jk) = zsqua/zslow*pvom(jl, jk) | ||
1712 | pvol(jl, jk) = zsqua/zslow*pvol(jl, jk) | ||
1713 | END IF | ||
1714 | |||
1715 | END IF | ||
1716 | END DO | ||
1717 | END DO | ||
1718 | |||
1719 | ! 6. LOW LEVEL LIFT, SEMI IMPLICIT: | ||
1720 | ! ---------------------------------- | ||
1721 | |||
1722 | ELSE | ||
1723 | |||
1724 |
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477600 | DO jl = kidia, kfdia |
1725 |
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477600 | IF (ktest(jl)==1) THEN |
1726 |
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2049268 | DO jk = klev, iknub(jl), -1 |
1727 | zbet = gklift*2.*romega*sin(rpi/180.*plat(jl))*ztmst* & | ||
1728 | (pgeom1(jl,iknub(jl)-1)-pgeom1(jl,jk))/ & | ||
1729 | 1826548 | (pgeom1(jl,iknub(jl)-1)-pgeom1(jl,klev)) | |
1730 | 1826548 | zdudt(jl) = -pum1(jl, jk)/ztmst/(1+zbet**2) | |
1731 | 1826548 | zdvdt(jl) = -pvm1(jl, jk)/ztmst/(1+zbet**2) | |
1732 | 1826548 | pvom(jl, jk) = zbet**2*zdudt(jl) - zbet*zdvdt(jl) | |
1733 | 2049268 | pvol(jl, jk) = zbet*zdudt(jl) + zbet**2*zdvdt(jl) | |
1734 | END DO | ||
1735 | END IF | ||
1736 | END DO | ||
1737 | |||
1738 | END IF | ||
1739 | |||
1740 | ! print *,' out orolift' | ||
1741 | |||
1742 | 480 | RETURN | |
1743 | END SUBROUTINE orolift_strato | ||
1744 | 4 | SUBROUTINE sugwd_strato(nlon, nlev, paprs, pplay) | |
1745 | |||
1746 | |||
1747 | ! **** *SUGWD* INITIALIZE COMMON YOEGWD CONTROLLING GRAVITY WAVE DRAG | ||
1748 | |||
1749 | ! PURPOSE. | ||
1750 | ! -------- | ||
1751 | ! INITIALIZE YOEGWD, THE COMMON THAT CONTROLS THE | ||
1752 | ! GRAVITY WAVE DRAG PARAMETRIZATION. | ||
1753 | ! VERY IMPORTANT: | ||
1754 | ! ______________ | ||
1755 | ! THIS ROUTINE SET_UP THE "TUNABLE PARAMETERS" OF THE | ||
1756 | ! VARIOUS SSO SCHEMES | ||
1757 | |||
1758 | ! ** INTERFACE. | ||
1759 | ! ---------- | ||
1760 | ! CALL *SUGWD* FROM *SUPHEC* | ||
1761 | ! ----- ------ | ||
1762 | |||
1763 | ! EXPLICIT ARGUMENTS : | ||
1764 | ! -------------------- | ||
1765 | ! PAPRS,PPLAY : Pressure at semi and full model levels | ||
1766 | ! NLEV : number of model levels | ||
1767 | ! NLON : number of points treated in the physics | ||
1768 | |||
1769 | ! IMPLICIT ARGUMENTS : | ||
1770 | ! -------------------- | ||
1771 | ! COMMON YOEGWD | ||
1772 | ! -GFRCRIT-R: Critical Non-dimensional mountain Height | ||
1773 | ! (HNC in (1), LOTT 1999) | ||
1774 | ! -GKWAKE--R: Bluff-body drag coefficient for low level wake | ||
1775 | ! (Cd in (2), LOTT 1999) | ||
1776 | ! -GRCRIT--R: Critical Richardson Number | ||
1777 | ! (Ric, End of first column p791 of LOTT 1999) | ||
1778 | ! -GKDRAG--R: Gravity wave drag coefficient | ||
1779 | ! (G in (3), LOTT 1999) | ||
1780 | ! -GKLIFT--R: Mountain Lift coefficient | ||
1781 | ! (Cl in (4), LOTT 1999) | ||
1782 | ! -GHMAX---R: Not used | ||
1783 | ! -GRAHILO-R: Set-up the trapped waves fraction | ||
1784 | ! (Beta , End of first column, LOTT 1999) | ||
1785 | |||
1786 | ! -GSIGCR--R: Security value for blocked flow depth | ||
1787 | ! -NKTOPG--I: Security value for blocked flow level | ||
1788 | ! -nstra----I: An estimate to qualify the upper levels of | ||
1789 | ! the model where one wants to impose strees | ||
1790 | ! profiles | ||
1791 | ! -GSSECC--R: Security min value for low-level B-V frequency | ||
1792 | ! -GTSEC---R: Security min value for anisotropy and GW stress. | ||
1793 | ! -GVSEC---R: Security min value for ulow | ||
1794 | |||
1795 | |||
1796 | ! METHOD. | ||
1797 | ! ------- | ||
1798 | ! SEE DOCUMENTATION | ||
1799 | |||
1800 | ! EXTERNALS. | ||
1801 | ! ---------- | ||
1802 | ! NONE | ||
1803 | |||
1804 | ! REFERENCE. | ||
1805 | ! ---------- | ||
1806 | ! Lott, 1999: Alleviation of stationary biases in a GCM through... | ||
1807 | ! Monthly Weather Review, 127, pp 788-801. | ||
1808 | |||
1809 | ! AUTHOR. | ||
1810 | ! ------- | ||
1811 | ! FRANCOIS LOTT *LMD* | ||
1812 | |||
1813 | ! MODIFICATIONS. | ||
1814 | ! -------------- | ||
1815 | ! ORIGINAL : 90-01-01 (MARTIN MILLER, ECMWF) | ||
1816 | ! LAST: 99-07-09 (FRANCOIS LOTT,LMD) | ||
1817 | ! ------------------------------------------------------------------ | ||
1818 | USE dimphy | ||
1819 | USE mod_phys_lmdz_para | ||
1820 | USE mod_grid_phy_lmdz | ||
1821 | USE geometry_mod | ||
1822 | IMPLICIT NONE | ||
1823 | |||
1824 | ! ----------------------------------------------------------------- | ||
1825 | include "YOEGWD.h" | ||
1826 | ! ---------------------------------------------------------------- | ||
1827 | |||
1828 | ! ARGUMENTS | ||
1829 | INTEGER nlon, nlev | ||
1830 | REAL paprs(nlon, nlev+1) | ||
1831 | REAL pplay(nlon, nlev) | ||
1832 | |||
1833 | INTEGER jk | ||
1834 | REAL zpr, ztop, zsigt, zpm1r | ||
1835 | INTEGER :: cell,ij,nstra_tmp,nktopg_tmp | ||
1836 | REAL :: current_dist, dist_min,dist_min_glo | ||
1837 | |||
1838 | ! * 1. SET THE VALUES OF THE PARAMETERS | ||
1839 | ! -------------------------------- | ||
1840 | |||
1841 | |||
1842 | 1 | PRINT *, ' DANS SUGWD NLEV=', nlev | |
1843 | 1 | ghmax = 10000. | |
1844 | |||
1845 | zpr = 100000. | ||
1846 | ZTOP=0.00005 | ||
1847 | zsigt = 0.94 | ||
1848 | ! old ZPR=80000. | ||
1849 | ! old ZSIGT=0.85 | ||
1850 | |||
1851 | |||
1852 | !ym Take the point at equator close to (0,0) coordinates. | ||
1853 | 1 | dist_min=360 | |
1854 | 1 | dist_min_glo=360. | |
1855 | 1 | cell=-1 | |
1856 |
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995 | DO ij=1,klon |
1857 | 994 | current_dist=sqrt(longitude_deg(ij)**2+latitude_deg(ij)**2) | |
1858 | 994 | current_dist=current_dist*(1+(1e-10*ind_cell_glo(ij))/klon_glo) ! For point unicity | |
1859 |
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995 | IF (dist_min>current_dist) THEN |
1860 | 39 | dist_min=current_dist | |
1861 | 39 | cell=ij | |
1862 | ENDIF | ||
1863 | ENDDO | ||
1864 | |||
1865 | !PRINT *, 'SUGWD distmin cell=', dist_min,cell | ||
1866 | 1 | CALL reduce_min(dist_min,dist_min_glo) | |
1867 | 1 | CALL bcast(dist_min_glo) | |
1868 |
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1 | IF (dist_min/=dist_min_glo) cell=-1 |
1869 | !ym in future find the point at equator close to (0,0) coordinates. | ||
1870 | 1 | PRINT *, 'SUGWD distmin dist_min_glo cell=', dist_min,dist_min_glo,cell | |
1871 | |||
1872 | 1 | nktopg_tmp=nktopg | |
1873 | 1 | nstra_tmp=nstra | |
1874 | |||
1875 |
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1 | IF (cell/=-1) THEN |
1876 | |||
1877 | !print*,'SUGWD shape ',shape(pplay),cell+1 | ||
1878 | |||
1879 |
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40 | DO jk = 1, nlev |
1880 | !zpm1r = pplay(cell+1, jk)/paprs(cell+1, 1) | ||
1881 | 39 | zpm1r = pplay(cell, jk)/paprs(cell, 1) | |
1882 |
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39 | IF (zpm1r>=zsigt) THEN |
1883 | 4 | nktopg_tmp = jk | |
1884 | END IF | ||
1885 |
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40 | IF (zpm1r>=ztop) THEN |
1886 | 38 | nstra_tmp = jk | |
1887 | END IF | ||
1888 | END DO | ||
1889 | ELSE | ||
1890 | ✗ | nktopg_tmp=0 | |
1891 | ✗ | nstra_tmp=0 | |
1892 | ENDIF | ||
1893 | |||
1894 | 1 | CALL reduce_sum(nktopg_tmp,nktopg) | |
1895 | 1 | CALL bcast(nktopg) | |
1896 | 1 | CALL reduce_sum(nstra_tmp,nstra) | |
1897 | 1 | CALL bcast(nstra) | |
1898 | |||
1899 | ! inversion car dans orodrag on compte les niveaux a l'envers | ||
1900 | 1 | nktopg = nlev - nktopg + 1 | |
1901 | 1 | nstra = nlev - nstra | |
1902 | 1 | PRINT *, ' DANS SUGWD nktopg=', nktopg | |
1903 | 1 | PRINT *, ' DANS SUGWD nstra=', nstra | |
1904 |
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1 | if (nstra == 0) call abort_physic("sugwd_strato", "no level in stratosphere", 1) |
1905 | |||
1906 | ! Valeurs lues dans les .def, ou attribues dans conf_phys | ||
1907 | !gkdrag = 0.2 | ||
1908 | !grahilo = 0.1 | ||
1909 | !grcrit = 1.00 | ||
1910 | !gfrcrit = 0.70 | ||
1911 | !gkwake = 0.40 | ||
1912 | !gklift = 0.25 | ||
1913 | |||
1914 | 1 | gsigcr = 0.80 ! Top of low level flow | |
1915 | 1 | gvcrit = 0.1 | |
1916 | |||
1917 | 1 | WRITE (UNIT=6, FMT='('' *** SSO essential constants ***'')') | |
1918 | 1 | WRITE (UNIT=6, FMT='('' *** SPECIFIED IN SUGWD ***'')') | |
1919 | 1 | WRITE (UNIT=6, FMT='('' Gravity wave ct '',E13.7,'' '')') gkdrag | |
1920 | 1 | WRITE (UNIT=6, FMT='('' Trapped/total wave dag '',E13.7,'' '')') grahilo | |
1921 | 1 | WRITE (UNIT=6, FMT='('' Critical Richardson = '',E13.7,'' '')') grcrit | |
1922 | 1 | WRITE (UNIT=6, FMT='('' Critical Froude'',e13.7)') gfrcrit | |
1923 | 1 | WRITE (UNIT=6, FMT='('' Low level Wake bluff cte'',e13.7)') gkwake | |
1924 | 1 | WRITE (UNIT=6, FMT='('' Low level lift cte'',e13.7)') gklift | |
1925 | |||
1926 | ! ---------------------------------------------------------------- | ||
1927 | |||
1928 | ! * 2. SET VALUES OF SECURITY PARAMETERS | ||
1929 | ! --------------------------------- | ||
1930 | |||
1931 | |||
1932 | 1 | gvsec = 0.10 | |
1933 | 1 | gssec = 0.0001 | |
1934 | |||
1935 | 1 | gtsec = 0.00001 | |
1936 | |||
1937 | 1 | RETURN | |
1938 | 3 | END SUBROUTINE sugwd_strato | |
1939 |