1 | !$Id: cdrag_mod.F90 5144 2024-07-29 21:01:04Z abarral $ |
---|
2 | |
---|
3 | |
---|
4 | MODULE cdrag_mod |
---|
5 | |
---|
6 | ! This module contains some procedures for calculation of the cdrag |
---|
7 | ! coefficients for turbulent diffusion at surface |
---|
8 | |
---|
9 | IMPLICIT NONE |
---|
10 | |
---|
11 | CONTAINS |
---|
12 | |
---|
13 | !**************************************************************************************** |
---|
14 | |
---|
15 | !r original routine svn3623 |
---|
16 | |
---|
17 | SUBROUTINE cdrag(knon, nsrf, & |
---|
18 | speed, t1, q1, zgeop1, & |
---|
19 | psol, pblh, tsurf, qsurf, z0m, z0h, & |
---|
20 | ri_in, iri_in, & |
---|
21 | cdm, cdh, zri, pref, prain, tsol, pat1) |
---|
22 | |
---|
23 | USE dimphy |
---|
24 | USE coare_cp_mod, ONLY: coare_cp |
---|
25 | USE coare30_flux_cnrm_mod, ONLY: coare30_flux_cnrm |
---|
26 | USE indice_sol_mod |
---|
27 | USE lmdz_print_control, ONLY: lunout, prt_level |
---|
28 | USE lmdz_ioipsl_getin_p, ONLY: getin_p |
---|
29 | USE lmdz_atke_turbulence_ini, ONLY: smmin, ric, cinf, cepsilon, pr_slope, pr_asym, pr_neut |
---|
30 | USE lmdz_clesphys |
---|
31 | USE lmdz_yoethf |
---|
32 | USE lmdz_yomcst |
---|
33 | |
---|
34 | IMPLICIT NONE |
---|
35 | ! ================================================================= c |
---|
36 | |
---|
37 | ! Objet : calcul des cdrags pour le moment (pcfm) et |
---|
38 | ! les flux de chaleur sensible et latente (pcfh) d'apr??s |
---|
39 | ! Louis 1982, Louis 1979, King et al 2001 |
---|
40 | ! ou Zilitinkevich et al 2002 pour les cas stables, Louis 1979 |
---|
41 | ! et 1982 pour les cas instables |
---|
42 | |
---|
43 | ! Modified history: |
---|
44 | ! writting on the 20/05/2016 |
---|
45 | ! modified on the 13/12/2016 to be adapted to LMDZ6 |
---|
46 | |
---|
47 | ! References: |
---|
48 | ! Louis, J. F., 1979: A parametric model of vertical eddy fluxes in the |
---|
49 | ! atmosphere. Boundary-Layer Meteorology. 01/1979; 17(2):187-202. |
---|
50 | ! Louis, J. F., Tiedtke, M. and Geleyn, J. F., 1982: `A short history of the |
---|
51 | ! operational PBL parametrization at ECMWF'. Workshop on boundary layer |
---|
52 | ! parametrization, November 1981, ECMWF, Reading, England. |
---|
53 | ! Page: 19. Equations in Table 1. |
---|
54 | ! Mascart P, Noilhan J, Giordani H 1995.A MODIFIED PARAMETERIZATION OF FLUX-PROFILE RELATIONSHIPS |
---|
55 | ! IN THE SURFACE LAYER USING DIFFERENT ROUGHNESS LENGTH VALUES FOR HEAT AND MOMENTUM |
---|
56 | ! Boundary-Layer Meteorology 72: 331-344 |
---|
57 | ! Anton Beljaars. May 1992. The parametrization of the planetary boundary layer. |
---|
58 | ! European Centre for Medium-Range Weather Forecasts. |
---|
59 | ! Equations: 110-113. Page 40. |
---|
60 | ! Miller,M.J., A.C.M.Beljaars, T.N.Palmer. 1992. The sensitivity of the ECMWF |
---|
61 | ! model to the parameterization of evaporation from the tropical oceans. J. |
---|
62 | ! Climate, 5:418-434. |
---|
63 | ! King J.C, Connolley, W.M ad Derbyshire S.H. 2001, Sensitivity of Modelled Antarctic climate |
---|
64 | ! to surface and boundary-layer flux parametrizations |
---|
65 | ! QJRMS, 127, pp 779-794 |
---|
66 | |
---|
67 | ! ================================================================= c |
---|
68 | ! ================================================================= c |
---|
69 | ! On choisit le couple de fonctions de correction avec deux flags: |
---|
70 | ! Un pour les cas instables, un autre pour les cas stables |
---|
71 | |
---|
72 | ! iflag_corr_insta: |
---|
73 | ! 1: Louis 1979 avec les modifications de Mascart 1995 (z0/= z0h) |
---|
74 | ! 2: Louis 1982 |
---|
75 | ! 3: Laurent Li |
---|
76 | |
---|
77 | ! iflag_corr_sta: |
---|
78 | ! 1: Louis 1979 avec les modifications de Mascart 1995 (z0/= z0h) |
---|
79 | ! 2: Louis 1982 |
---|
80 | ! 3: Laurent Li |
---|
81 | ! 4: King 2001 (SHARP) |
---|
82 | ! 5: MO 1st order theory (allow collapse of turbulence) |
---|
83 | |
---|
84 | |
---|
85 | !***************************************************************** |
---|
86 | ! Parametres d'entree |
---|
87 | !***************************************************************** |
---|
88 | |
---|
89 | INTEGER, INTENT(IN) :: knon, nsrf ! nombre de points de grille sur l'horizontal + type de surface |
---|
90 | REAL, DIMENSION(klon), INTENT(IN) :: speed ! module du vent au 1er niveau du modele |
---|
91 | REAL, DIMENSION(klon), INTENT(IN) :: zgeop1 ! geopotentiel au 1er niveau du modele |
---|
92 | REAL, DIMENSION(klon), INTENT(IN) :: tsurf ! Surface temperature (K) |
---|
93 | REAL, DIMENSION(klon), INTENT(IN) :: qsurf ! Surface humidity (Kg/Kg) |
---|
94 | REAL, DIMENSION(klon), INTENT(INOUT) :: z0m, z0h ! Rugosity at surface (m) |
---|
95 | REAL, DIMENSION(klon), INTENT(IN) :: ri_in ! Input Richardson 1st layer for first guess calculations of screen var. |
---|
96 | INTEGER, INTENT(IN) :: iri_in! iflag to activate cdrag calculation using ri1 |
---|
97 | REAL, DIMENSION(klon), INTENT(IN) :: t1 ! Temperature au premier niveau (K) |
---|
98 | REAL, DIMENSION(klon), INTENT(IN) :: q1 ! humidite specifique au premier niveau (kg/kg) |
---|
99 | REAL, DIMENSION(klon), INTENT(IN) :: psol ! pression au sol |
---|
100 | |
---|
101 | !------------------ Rajout pour COARE (OT2018) -------------------- |
---|
102 | REAL, DIMENSION(klon), INTENT(INOUT) :: pblh !hauteur de CL |
---|
103 | REAL, DIMENSION(klon), INTENT(IN) :: prain !rapport au precipitation |
---|
104 | REAL, DIMENSION(klon), INTENT(IN) :: tsol !SST imposé sur la surface oceanique |
---|
105 | REAL, DIMENSION(klon), INTENT(IN) :: pat1 !pression premier lev |
---|
106 | |
---|
107 | |
---|
108 | |
---|
109 | ! Parametres de sortie |
---|
110 | !****************************************************************** |
---|
111 | REAL, DIMENSION(klon), INTENT(OUT) :: cdm ! Drag coefficient for momentum |
---|
112 | REAL, DIMENSION(klon), INTENT(OUT) :: cdh ! Drag coefficient for heat flux |
---|
113 | REAL, DIMENSION(klon), INTENT(OUT) :: zri ! Richardson number |
---|
114 | REAL, DIMENSION(klon), INTENT(INOUT) :: pref ! Pression au niveau zgeop/RG |
---|
115 | |
---|
116 | ! Variables Locales |
---|
117 | !****************************************************************** |
---|
118 | |
---|
119 | REAL, PARAMETER :: CKAP = 0.40, CKAPT = 0.42 |
---|
120 | REAL CEPDU2 |
---|
121 | REAL ALPHA |
---|
122 | REAL CB, CC, CD, C2, C3 |
---|
123 | REAL MU, CM, CH, B, CMstar, CHstar |
---|
124 | REAL PM, PH, BPRIME |
---|
125 | INTEGER ng_q1 ! Number of grids that q1 < 0.0 |
---|
126 | INTEGER ng_qsurf ! Number of grids that qsurf < 0.0 |
---|
127 | INTEGER i, k |
---|
128 | REAL zdu2, ztsolv |
---|
129 | REAL ztvd, zscf |
---|
130 | REAL zucf, zcr |
---|
131 | REAL, DIMENSION(klon) :: FM, FH ! stability functions |
---|
132 | REAL, DIMENSION(klon) :: cdmn, cdhn ! Drag coefficient in neutral conditions |
---|
133 | REAL zzzcd |
---|
134 | REAL, DIMENSION(klon) :: sm, prandtl ! Stability function from atke turbulence scheme |
---|
135 | REAL ri0, ri1, cn ! to have dimensionless term in sm and prandtl |
---|
136 | |
---|
137 | !------------------ Rajout (OT2018) -------------------- |
---|
138 | !------------------ Rajout pour les appelles BULK (OT) -------------------- |
---|
139 | REAL, DIMENSION(klon, 2) :: rugos_itm |
---|
140 | REAL, DIMENSION(klon, 2) :: rugos_ith |
---|
141 | REAL, PARAMETER :: tol_it_rugos = 1.e-4 |
---|
142 | REAL, DIMENSION(3) :: coeffs |
---|
143 | LOGICAL :: mixte |
---|
144 | REAL :: z_0m |
---|
145 | REAL :: z_0h |
---|
146 | REAL, DIMENSION(klon) :: cdmm |
---|
147 | REAL, DIMENSION(klon) :: cdhh |
---|
148 | |
---|
149 | !------------------RAJOUT POUR ECUME ------------------- |
---|
150 | |
---|
151 | REAL, DIMENSION(klon) :: PQSAT |
---|
152 | REAL, DIMENSION(klon) :: PSFTH |
---|
153 | REAL, DIMENSION(klon) :: PFSTQ |
---|
154 | REAL, DIMENSION(klon) :: PUSTAR |
---|
155 | REAL, DIMENSION(klon) :: PCD ! Drag coefficient for momentum |
---|
156 | REAL, DIMENSION(klon) :: PCDN ! Drag coefficient for momentum |
---|
157 | REAL, DIMENSION(klon) :: PCH ! Drag coefficient for momentum |
---|
158 | REAL, DIMENSION(klon) :: PCE ! Drag coefficient for momentum |
---|
159 | REAL, DIMENSION(klon) :: PRI |
---|
160 | REAL, DIMENSION(klon) :: PRESA |
---|
161 | REAL, DIMENSION(klon) :: PSSS |
---|
162 | |
---|
163 | LOGICAL :: OPRECIP |
---|
164 | LOGICAL :: OPWEBB |
---|
165 | LOGICAL :: OPERTFLUX |
---|
166 | LOGICAL :: LPRECIP |
---|
167 | LOGICAL :: LPWG |
---|
168 | |
---|
169 | LOGICAL, SAVE :: firstCALL = .TRUE. |
---|
170 | !$OMP THREADPRIVATE(firstcall) |
---|
171 | INTEGER, SAVE :: iflag_corr_sta |
---|
172 | !$OMP THREADPRIVATE(iflag_corr_sta) |
---|
173 | INTEGER, SAVE :: iflag_corr_insta |
---|
174 | !$OMP THREADPRIVATE(iflag_corr_insta) |
---|
175 | LOGICAL, SAVE :: ok_cdrag_iter |
---|
176 | !$OMP THREADPRIVATE(ok_cdrag_iter) |
---|
177 | |
---|
178 | !===================================================================c |
---|
179 | ! Valeurs numeriques des constantes |
---|
180 | !===================================================================c |
---|
181 | |
---|
182 | |
---|
183 | ! Minimum du carre du vent |
---|
184 | |
---|
185 | CEPDU2 = (0.1)**2 |
---|
186 | |
---|
187 | ! Louis 1982 |
---|
188 | |
---|
189 | CB = 5.0 |
---|
190 | CC = 5.0 |
---|
191 | CD = 5.0 |
---|
192 | |
---|
193 | |
---|
194 | ! King 2001 |
---|
195 | |
---|
196 | C2 = 0.25 |
---|
197 | C3 = 0.0625 |
---|
198 | |
---|
199 | |
---|
200 | ! Louis 1979 |
---|
201 | |
---|
202 | BPRIME = 4.7 |
---|
203 | B = 9.4 |
---|
204 | |
---|
205 | |
---|
206 | !MO |
---|
207 | |
---|
208 | ALPHA = 5.0 |
---|
209 | |
---|
210 | ! Consistent with atke scheme |
---|
211 | cn = (1. / sqrt(cepsilon))**(2. / 3.) |
---|
212 | ri0 = 2. / rpi * (cinf - cn) * ric / cn |
---|
213 | ri1 = -2. / rpi * (pr_asym - pr_neut) / pr_slope |
---|
214 | |
---|
215 | |
---|
216 | ! ================================================================= c |
---|
217 | ! Tests avant de commencer |
---|
218 | ! Fuxing WANG, 04/03/2015 |
---|
219 | ! To check if there are negative q1, qsurf values. |
---|
220 | !====================================================================c |
---|
221 | ng_q1 = 0 ! Initialization |
---|
222 | ng_qsurf = 0 ! Initialization |
---|
223 | DO i = 1, knon |
---|
224 | IF (q1(i)<0.0) ng_q1 = ng_q1 + 1 |
---|
225 | IF (qsurf(i)<0.0) ng_qsurf = ng_qsurf + 1 |
---|
226 | ENDDO |
---|
227 | IF (ng_q1>0 .AND. prt_level > 5) THEN |
---|
228 | WRITE(lunout, *)" *** Warning: Negative q1(humidity at 1st level) values in cdrag.F90 !" |
---|
229 | WRITE(lunout, *)" The total number of the grids is: ", ng_q1 |
---|
230 | WRITE(lunout, *)" The negative q1 is set to zero " |
---|
231 | ! abort_message="voir ci-dessus" |
---|
232 | ! CALL abort_physic(modname,abort_message,1) |
---|
233 | ENDIF |
---|
234 | IF (ng_qsurf>0 .AND. prt_level > 5) THEN |
---|
235 | WRITE(lunout, *)" *** Warning: Negative qsurf(humidity at surface) values in cdrag.F90 !" |
---|
236 | WRITE(lunout, *)" The total number of the grids is: ", ng_qsurf |
---|
237 | WRITE(lunout, *)" The negative qsurf is set to zero " |
---|
238 | ! abort_message="voir ci-dessus" |
---|
239 | ! CALL abort_physic(modname,abort_message,1) |
---|
240 | ENDIF |
---|
241 | |
---|
242 | |
---|
243 | |
---|
244 | !=============================================================================c |
---|
245 | ! Calcul du cdrag |
---|
246 | !=============================================================================c |
---|
247 | |
---|
248 | ! On choisit les fonctions de stabilite utilisees au premier appel |
---|
249 | !************************************************************************** |
---|
250 | IF (firstcall) THEN |
---|
251 | iflag_corr_sta = 2 |
---|
252 | iflag_corr_insta = 2 |
---|
253 | ok_cdrag_iter = .FALSE. |
---|
254 | |
---|
255 | CALL getin_p('iflag_corr_sta', iflag_corr_sta) |
---|
256 | CALL getin_p('iflag_corr_insta', iflag_corr_insta) |
---|
257 | CALL getin_p('ok_cdrag_iter', ok_cdrag_iter) |
---|
258 | |
---|
259 | firstCALL = .FALSE. |
---|
260 | ENDIF |
---|
261 | |
---|
262 | !------------------ Rajout (OT2018) -------------------- |
---|
263 | !--------- Rajout pour itération sur rugosité ---------------- |
---|
264 | rugos_itm(:, 2) = z0m |
---|
265 | rugos_itm(:, 1) = 3. * tol_it_rugos * z0m |
---|
266 | |
---|
267 | rugos_ith(:, 2) = z0h !cp nouveau rugos_it |
---|
268 | rugos_ith(:, 1) = 3. * tol_it_rugos * z0h |
---|
269 | !-------------------------------------------------------------------- |
---|
270 | |
---|
271 | !xxxxxxxxxxxxxxxxxxxxxxx |
---|
272 | DO i = 1, knon ! Boucle sur l'horizontal |
---|
273 | !xxxxxxxxxxxxxxxxxxxxxxx |
---|
274 | |
---|
275 | |
---|
276 | ! calculs preliminaires: |
---|
277 | !*********************** |
---|
278 | |
---|
279 | zdu2 = MAX(CEPDU2, speed(i)**2) |
---|
280 | pref(i) = EXP(LOG(psol(i)) - zgeop1(i) / (RD * t1(i) * & |
---|
281 | (1. + RETV * max(q1(i), 0.0)))) ! negative q1 set to zero |
---|
282 | ztsolv = tsurf(i) * (1.0 + RETV * max(qsurf(i), 0.0)) ! negative qsurf set to zero |
---|
283 | ztvd = (t1(i) + zgeop1(i) / RCPD / (1. + RVTMP2 * q1(i))) & |
---|
284 | * (1. + RETV * max(q1(i), 0.0)) ! negative q1 set to zero |
---|
285 | |
---|
286 | !------------------ Rajout (OT2018) -------------------- |
---|
287 | !-------------- ON DUPLIQUE POUR METTRE ITERATION SUR OCEAN ------------------------ |
---|
288 | IF (iri_in==1) THEN |
---|
289 | zri(i) = ri_in(i) |
---|
290 | ENDIF |
---|
291 | |
---|
292 | IF (nsrf == is_oce) THEN |
---|
293 | |
---|
294 | !------------------ Pour Core 2 choix Core Pur ou Core Mixte -------------------- |
---|
295 | IF ((choix_bulk > 1 .AND. choix_bulk < 4) .AND. (nsrf == is_oce)) THEN |
---|
296 | IF(choix_bulk == 2) THEN |
---|
297 | mixte = .FALSE. |
---|
298 | ELSE |
---|
299 | mixte = .TRUE. |
---|
300 | ENDIF |
---|
301 | CALL clc_core_cp (sqrt(zdu2), t1(i) - tsurf(i), q1(i) - qsurf(i), t1(i), q1(i), & |
---|
302 | zgeop1(i) / RG, zgeop1(i) / RG, zgeop1(i) / RG, & |
---|
303 | psol(i), nit_bulk, mixte, & |
---|
304 | coeffs, z_0m, z_0h) |
---|
305 | cdmm(i) = coeffs(1) |
---|
306 | cdhh(i) = coeffs(2) |
---|
307 | cdm(i) = cdmm(i) |
---|
308 | cdh(i) = cdhh(i) |
---|
309 | WRITE(*, *) "clc_core cd ch", cdmm(i), cdhh(i) |
---|
310 | |
---|
311 | !------------------ Pour ECUME -------------------- |
---|
312 | ELSE IF ((choix_bulk == 4) .AND. (nsrf == is_oce)) THEN |
---|
313 | OPRECIP = .FALSE. |
---|
314 | OPWEBB = .FALSE. |
---|
315 | OPERTFLUX = .FALSE. |
---|
316 | IF (nsrf == is_oce) THEN |
---|
317 | PSSS = 0.0 |
---|
318 | ENDIF |
---|
319 | CALL ini_csts |
---|
320 | CALL ecumev6_flux(z_0m, t1(i), tsurf(i), & |
---|
321 | q1(i), qsurf(i), sqrt(zdu2), zgeop1(i) / RG, PSSS, zgeop1(i) / RG, & |
---|
322 | psol(i), pat1(i), OPRECIP, OPWEBB, & |
---|
323 | PSFTH, PFSTQ, PUSTAR, PCD, PCDN, & |
---|
324 | PCH, PCE, PRI, PRESA, prain, & |
---|
325 | z_0h, OPERTFLUX, coeffs) |
---|
326 | |
---|
327 | cdmm(i) = coeffs(1) |
---|
328 | cdhh(i) = coeffs(2) |
---|
329 | cdm(i) = cdmm(i) |
---|
330 | cdh(i) = cdhh(i) |
---|
331 | |
---|
332 | WRITE(*, *) "ecume cd ch", cdmm(i), cdhh(i) |
---|
333 | |
---|
334 | !------------------ Pour COARE CNRM -------------------- |
---|
335 | ELSE IF ((choix_bulk == 5) .AND. (nsrf == is_oce)) THEN |
---|
336 | LPRECIP = .FALSE. |
---|
337 | LPWG = .FALSE. |
---|
338 | CALL ini_csts |
---|
339 | block |
---|
340 | REAL, DIMENSION(1) :: z0m_1d, z_0h_1d, sqrt_zdu2_1d, zgeop1_rg_1d ! convert scalar to 1D for call |
---|
341 | z0m_1d = z0m |
---|
342 | z_0h_1d = z0h |
---|
343 | sqrt_zdu2_1d = sqrt(zdu2) |
---|
344 | zgeop1_rg_1d = zgeop1(i) / RG |
---|
345 | CALL coare30_flux_cnrm(z0m_1d, t1(i), tsurf(i), q1(i), & |
---|
346 | sqrt_zdu2_1d, zgeop1_rg_1d, zgeop1_rg_1d, psol(i), qsurf(i), PQSAT, & |
---|
347 | PSFTH, PFSTQ, PUSTAR, PCD, PCDN, PCH, PCE, PRI, & |
---|
348 | PRESA, prain, pat1(i), z_0h_1d, LPRECIP, LPWG, coeffs) |
---|
349 | |
---|
350 | end block |
---|
351 | cdmm(i) = coeffs(1) |
---|
352 | cdhh(i) = coeffs(2) |
---|
353 | cdm(i) = cdmm(i) |
---|
354 | cdh(i) = cdhh(i) |
---|
355 | WRITE(*, *) "coare CNRM cd ch", cdmm(i), cdhh(i) |
---|
356 | |
---|
357 | !------------------ Pour COARE Maison -------------------- |
---|
358 | ELSE IF ((choix_bulk == 1) .AND. (nsrf == is_oce)) THEN |
---|
359 | IF (pblh(i) == 0.) THEN |
---|
360 | pblh(i) = 1500. |
---|
361 | ENDIF |
---|
362 | WRITE(*, *) "debug size", size(coeffs) |
---|
363 | CALL coare_cp(sqrt(zdu2), t1(i) - tsurf(i), q1(i) - qsurf(i), & |
---|
364 | t1(i), q1(i), & |
---|
365 | zgeop1(i) / RG, zgeop1(i) / RG, zgeop1(i) / RG, & |
---|
366 | psol(i), pblh(i), & |
---|
367 | nit_bulk, & |
---|
368 | coeffs, z_0m, z_0h) |
---|
369 | cdmm(i) = coeffs(1) |
---|
370 | cdhh(i) = coeffs(3) |
---|
371 | cdm(i) = cdmm(i) |
---|
372 | cdh(i) = cdhh(i) |
---|
373 | WRITE(*, *) "coare cd ch", cdmm(i), cdhh(i) |
---|
374 | ELSE |
---|
375 | !------------------ Pour La param LMDZ (ocean) -------------------- |
---|
376 | zri(i) = zgeop1(i) * (ztvd - ztsolv) / (zdu2 * ztvd) |
---|
377 | IF (iri_in==1) THEN |
---|
378 | zri(i) = ri_in(i) |
---|
379 | ENDIF |
---|
380 | ENDIF |
---|
381 | |
---|
382 | |
---|
383 | !----------------------- Rajout des itérations -------------- |
---|
384 | DO k = 1, nit_bulk |
---|
385 | |
---|
386 | ! Coefficients CD neutres : k^2/ln(z/z0) et k^2/(ln(z/z0)*ln(z/z0h)): |
---|
387 | !******************************************************************** |
---|
388 | zzzcd = CKAP / LOG(1. + zgeop1(i) / (RG * rugos_itm(i, 2))) |
---|
389 | cdmn(i) = zzzcd * zzzcd |
---|
390 | cdhn(i) = zzzcd * (CKAP / LOG(1. + zgeop1(i) / (RG * rugos_ith(i, 2)))) |
---|
391 | |
---|
392 | ! Calcul des fonctions de stabilite FMs, FHs, FMi, FHi : |
---|
393 | !******************************************************* |
---|
394 | IF (zri(i) < 0.) THEN |
---|
395 | SELECT CASE (iflag_corr_insta) |
---|
396 | CASE (1) ! Louis 1979 + Mascart 1995 |
---|
397 | MU = LOG(MAX(z0m(i) / z0h(i), 0.01)) |
---|
398 | CMstar = 6.8741 + 2.6933 * MU - 0.3601 * (MU**2) + 0.0154 * (MU**3) |
---|
399 | PM = 0.5233 - 0.0815 * MU + 0.0135 * (MU**2) - 0.001 * (MU**3) |
---|
400 | CHstar = 3.2165 + 4.3431 * MU + 0.536 * (MU**2) - 0.0781 * (MU**3) |
---|
401 | PH = 0.5802 - 0.1571 * MU + 0.0327 * (MU**2) - 0.0026 * (MU**3) |
---|
402 | CH = CHstar * B * CKAP / LOG(z0m(i) + zgeop1(i) / (RG * z0m(i))) & |
---|
403 | * CKAPT / LOG(z0h(i) + zgeop1(i) / (RG * z0h(i))) & |
---|
404 | * ((zgeop1(i) / (RG * z0h(i)))**PH) |
---|
405 | CM = CMstar * B * CKAP / LOG(z0m(i) + zgeop1(i) / (RG * z0m(i))) & |
---|
406 | * CKAP / LOG(z0m(i) + zgeop1(i) / (RG * z0m(i))) & |
---|
407 | * ((zgeop1(i) / (RG * z0m(i)))**PM) |
---|
408 | FM(i) = 1. - B * zri(i) / (1. + CM * SQRT(ABS(zri(i)))) |
---|
409 | FH(i) = 1. - B * zri(i) / (1. + CH * SQRT(ABS(zri(i)))) |
---|
410 | CASE (2) ! Louis 1982 |
---|
411 | zucf = 1. / (1. + 3.0 * CB * CC * cdmn(i) * SQRT(ABS(zri(i)) & |
---|
412 | * (1.0 + zgeop1(i) / (RG * z0m(i))))) |
---|
413 | FM(i) = AMAX1((1. - 2.0 * CB * zri(i) * zucf), f_ri_cd_min) |
---|
414 | FH(i) = AMAX1((1. - 3.0 * CB * zri(i) * zucf), f_ri_cd_min) |
---|
415 | CASE (3) ! Laurent Li |
---|
416 | FM(i) = MAX(SQRT(1.0 - 18.0 * zri(i)), f_ri_cd_min) |
---|
417 | FH(i) = MAX(SQRT(1.0 - 18.0 * zri(i)), f_ri_cd_min) |
---|
418 | CASE (6) ! Consistent with turbulence scheme (in stationary case) derived in atke (2023) |
---|
419 | sm(i) = 2. / rpi * (cinf - cn) * atan(-zri(i) / ri0) + cn |
---|
420 | prandtl(i) = -2. / rpi * (pr_asym - pr_neut) * atan(zri(i) / ri1) + pr_neut |
---|
421 | FM(i) = MAX((sm(i)**(3. / 2.) * sqrt(cepsilon) * (1 - zri(i) / prandtl(i))**(1. / 2.)), f_ri_cd_min) |
---|
422 | FH(i) = MAX((FM(i) / prandtl(i)), f_ri_cd_min) |
---|
423 | CASE default ! Louis 1982 |
---|
424 | zucf = 1. / (1. + 3.0 * CB * CC * cdmn(i) * SQRT(ABS(zri(i)) & |
---|
425 | * (1.0 + zgeop1(i) / (RG * z0m(i))))) |
---|
426 | FM(i) = AMAX1((1. - 2.0 * CB * zri(i) * zucf), f_ri_cd_min) |
---|
427 | FH(i) = AMAX1((1. - 3.0 * CB * zri(i) * zucf), f_ri_cd_min) |
---|
428 | END SELECT |
---|
429 | ! Calcul des drags |
---|
430 | cdmm(i) = cdmn(i) * FM(i) |
---|
431 | cdhh(i) = f_cdrag_ter * cdhn(i) * FH(i) |
---|
432 | ! Traitement particulier des cas oceaniques |
---|
433 | ! on applique Miller et al 1992 en l'absence de gustiness |
---|
434 | IF (nsrf == is_oce) THEN |
---|
435 | ! cdh(i)=f_cdrag_oce*cdhn(i)*FH(i) |
---|
436 | IF (iflag_gusts==0) THEN |
---|
437 | zcr = (0.0016 / (cdmn(i) * SQRT(zdu2))) * ABS(ztvd - ztsolv)**(1. / 3.) |
---|
438 | cdhh(i) = f_cdrag_oce * cdhn(i) * (1.0 + zcr**1.25)**(1. / 1.25) |
---|
439 | ENDIF |
---|
440 | cdmm(i) = MIN(cdmm(i), cdmmax) |
---|
441 | cdhh(i) = MIN(cdhh(i), cdhmax) |
---|
442 | ! WRITE(*,*) "LMDZ cd ch",cdmm(i),cdhh(i) |
---|
443 | END IF |
---|
444 | ELSE |
---|
445 | |
---|
446 | !''''''''''''''' |
---|
447 | ! Cas stables : |
---|
448 | !''''''''''''''' |
---|
449 | zri(i) = MIN(20., zri(i)) |
---|
450 | SELECT CASE (iflag_corr_sta) |
---|
451 | CASE (1) ! Louis 1979 + Mascart 1995 |
---|
452 | FM(i) = MAX(1. / ((1 + BPRIME * zri(i))**2), f_ri_cd_min) |
---|
453 | FH(i) = FM(i) |
---|
454 | CASE (2) ! Louis 1982 |
---|
455 | zscf = SQRT(1. + CD * ABS(zri(i))) |
---|
456 | FM(i) = AMAX1(1. / (1. + 2. * CB * zri(i) / zscf), f_ri_cd_min) |
---|
457 | FH(i) = AMAX1(1. / (1. + 3. * CB * zri(i) * zscf), f_ri_cd_min) |
---|
458 | CASE (3) ! Laurent Li |
---|
459 | FM(i) = MAX(1.0 / (1.0 + 10.0 * zri(i) * (1 + 8.0 * zri(i))), f_ri_cd_min) |
---|
460 | FH(i) = FM(i) |
---|
461 | CASE (4) ! King 2001 |
---|
462 | IF (zri(i) < C2 / 2.) THEN |
---|
463 | FM(i) = MAX((1. - zri(i) / C2)**2, f_ri_cd_min) |
---|
464 | FH(i) = FM(i) |
---|
465 | ELSE |
---|
466 | FM(i) = MAX(C3 * ((C2 / zri(i))**2), f_ri_cd_min) |
---|
467 | FH(i) = FM(i) |
---|
468 | ENDIF |
---|
469 | CASE (5) ! MO |
---|
470 | IF (zri(i) < 1. / alpha) THEN |
---|
471 | FM(i) = MAX((1. - alpha * zri(i))**2, f_ri_cd_min) |
---|
472 | FH(i) = FM(i) |
---|
473 | else |
---|
474 | FM(i) = MAX(1E-7, f_ri_cd_min) |
---|
475 | FH(i) = FM(i) |
---|
476 | endif |
---|
477 | CASE (6) ! Consistent with turbulence scheme (in stationary case) derived in atke (2023) |
---|
478 | sm(i) = MAX(smmin, cn * (1. - zri(i) / ric)) |
---|
479 | ! prandlt expression from venayagamoorthy and stretch 2010, Li et al 2019 |
---|
480 | prandtl(i) = pr_neut * exp(-pr_slope / pr_neut * zri(i) + zri(i) / pr_neut) & |
---|
481 | + zri(i) * pr_slope |
---|
482 | FM(i) = MAX((sm(i)**(3. / 2.) * sqrt(cepsilon) * (1 - zri(i) / prandtl(i))**(1. / 2.)), f_ri_cd_min) |
---|
483 | FH(i) = MAX((FM(i) / prandtl(i)), f_ri_cd_min) |
---|
484 | CASE default ! Louis 1982 |
---|
485 | zscf = SQRT(1. + CD * ABS(zri(i))) |
---|
486 | FM(i) = AMAX1(1. / (1. + 2. * CB * zri(i) / zscf), f_ri_cd_min) |
---|
487 | FH(i) = AMAX1(1. / (1. + 3. * CB * zri(i) * zscf), f_ri_cd_min) |
---|
488 | END SELECT |
---|
489 | |
---|
490 | ! Calcul des drags |
---|
491 | |
---|
492 | cdmm(i) = cdmn(i) * FM(i) |
---|
493 | cdhh(i) = f_cdrag_ter * cdhn(i) * FH(i) |
---|
494 | |
---|
495 | IF (choix_bulk == 0) THEN |
---|
496 | cdm(i) = cdmn(i) * FM(i) |
---|
497 | cdh(i) = f_cdrag_ter * cdhn(i) * FH(i) |
---|
498 | ENDIF |
---|
499 | |
---|
500 | IF (nsrf==is_oce) THEN |
---|
501 | cdhh(i) = f_cdrag_oce * cdhn(i) * FH(i) |
---|
502 | cdmm(i) = MIN(cdmm(i), cdmmax) |
---|
503 | cdhh(i) = MIN(cdhh(i), cdhmax) |
---|
504 | ENDIF |
---|
505 | IF (ok_cdrag_iter) THEN |
---|
506 | rugos_itm(i, 1) = rugos_itm(i, 2) |
---|
507 | rugos_ith(i, 1) = rugos_ith(i, 2) |
---|
508 | rugos_itm(i, 2) = 0.018 * cdmm(i) * (speed(i)) / RG & |
---|
509 | + 0.11 * 14e-6 / SQRT(cdmm(i) * zdu2) |
---|
510 | |
---|
511 | !---------- Version SEPARATION DES Z0 ---------------------- |
---|
512 | IF (iflag_z0_oce==0) THEN |
---|
513 | rugos_ith(i, 2) = rugos_itm(i, 2) |
---|
514 | ELSE IF (iflag_z0_oce==1) THEN |
---|
515 | rugos_ith(i, 2) = 0.40 * 14e-6 / SQRT(cdmm(i) * zdu2) |
---|
516 | ENDIF |
---|
517 | ENDIF |
---|
518 | ENDIF |
---|
519 | IF (ok_cdrag_iter) THEN |
---|
520 | rugos_itm(i, 2) = MAX(1.5e-05, rugos_itm(i, 2)) |
---|
521 | rugos_ith(i, 2) = MAX(1.5e-05, rugos_ith(i, 2)) |
---|
522 | ENDIF |
---|
523 | ENDDO |
---|
524 | IF (nsrf==is_oce) THEN |
---|
525 | cdm(i) = MIN(cdmm(i), cdmmax) |
---|
526 | cdh(i) = MIN(cdhh(i), cdhmax) |
---|
527 | ENDIF |
---|
528 | z0m = rugos_itm(:, 2) |
---|
529 | z0h = rugos_ith(:, 2) |
---|
530 | ELSE ! (nsrf == is_oce) |
---|
531 | zri(i) = zgeop1(i) * (ztvd - ztsolv) / (zdu2 * ztvd) |
---|
532 | IF (iri_in==1) THEN |
---|
533 | zri(i) = ri_in(i) |
---|
534 | ENDIF |
---|
535 | |
---|
536 | ! Coefficients CD neutres : k^2/ln(z/z0) et k^2/(ln(z/z0)*ln(z/z0h)): |
---|
537 | !******************************************************************** |
---|
538 | zzzcd = CKAP / LOG(1. + zgeop1(i) / (RG * z0m(i))) |
---|
539 | cdmn(i) = zzzcd * zzzcd |
---|
540 | cdhn(i) = zzzcd * (CKAP / LOG(1. + zgeop1(i) / (RG * z0h(i)))) |
---|
541 | |
---|
542 | |
---|
543 | ! Calcul des fonctions de stabilit?? FMs, FHs, FMi, FHi : |
---|
544 | !******************************************************* |
---|
545 | !'''''''''''''' |
---|
546 | ! Cas instables |
---|
547 | !'''''''''''''' |
---|
548 | IF (zri(i) < 0.) THEN |
---|
549 | SELECT CASE (iflag_corr_insta) |
---|
550 | CASE (1) ! Louis 1979 + Mascart 1995 |
---|
551 | MU = LOG(MAX(z0m(i) / z0h(i), 0.01)) |
---|
552 | CMstar = 6.8741 + 2.6933 * MU - 0.3601 * (MU**2) + 0.0154 * (MU**3) |
---|
553 | PM = 0.5233 - 0.0815 * MU + 0.0135 * (MU**2) - 0.001 * (MU**3) |
---|
554 | CHstar = 3.2165 + 4.3431 * MU + 0.536 * (MU**2) - 0.0781 * (MU**3) |
---|
555 | PH = 0.5802 - 0.1571 * MU + 0.0327 * (MU**2) - 0.0026 * (MU**3) |
---|
556 | CH = CHstar * B * CKAP / LOG(z0m(i) + zgeop1(i) / (RG * z0m(i))) & |
---|
557 | * CKAPT / LOG(z0h(i) + zgeop1(i) / (RG * z0h(i))) & |
---|
558 | * ((zgeop1(i) / (RG * z0h(i)))**PH) |
---|
559 | CM = CMstar * B * CKAP / LOG(z0m(i) + zgeop1(i) / (RG * z0m(i))) & |
---|
560 | * CKAP / LOG(z0m(i) + zgeop1(i) / (RG * z0m(i))) & |
---|
561 | * ((zgeop1(i) / (RG * z0m(i)))**PM) |
---|
562 | FM(i) = 1. - B * zri(i) / (1. + CM * SQRT(ABS(zri(i)))) |
---|
563 | FH(i) = 1. - B * zri(i) / (1. + CH * SQRT(ABS(zri(i)))) |
---|
564 | CASE (2) ! Louis 1982 |
---|
565 | zucf = 1. / (1. + 3.0 * CB * CC * cdmn(i) * SQRT(ABS(zri(i)) & |
---|
566 | * (1.0 + zgeop1(i) / (RG * z0m(i))))) |
---|
567 | FM(i) = AMAX1((1. - 2.0 * CB * zri(i) * zucf), f_ri_cd_min) |
---|
568 | FH(i) = AMAX1((1. - 3.0 * CB * zri(i) * zucf), f_ri_cd_min) |
---|
569 | CASE (3) ! Laurent Li |
---|
570 | FM(i) = MAX(SQRT(1.0 - 18.0 * zri(i)), f_ri_cd_min) |
---|
571 | FH(i) = MAX(SQRT(1.0 - 18.0 * zri(i)), f_ri_cd_min) |
---|
572 | CASE (6) ! Consistent with turbulence scheme (in stationary case) derived in atke (2023) |
---|
573 | sm(i) = 2. / rpi * (cinf - cn) * atan(-zri(i) / ri0) + cn |
---|
574 | prandtl(i) = -2. / rpi * (pr_asym - pr_neut) * atan(zri(i) / ri1) + pr_neut |
---|
575 | FM(i) = MAX((sm(i)**(3. / 2.) * sqrt(cepsilon) * (1 - zri(i) / prandtl(i))**(1. / 2.)), f_ri_cd_min) |
---|
576 | FH(i) = MAX((FM(i) / prandtl(i)), f_ri_cd_min) |
---|
577 | CASE default ! Louis 1982 |
---|
578 | zucf = 1. / (1. + 3.0 * CB * CC * cdmn(i) * SQRT(ABS(zri(i)) & |
---|
579 | * (1.0 + zgeop1(i) / (RG * z0m(i))))) |
---|
580 | FM(i) = AMAX1((1. - 2.0 * CB * zri(i) * zucf), f_ri_cd_min) |
---|
581 | FH(i) = AMAX1((1. - 3.0 * CB * zri(i) * zucf), f_ri_cd_min) |
---|
582 | END SELECT |
---|
583 | ! Calcul des drags |
---|
584 | cdm(i) = cdmn(i) * FM(i) |
---|
585 | cdh(i) = f_cdrag_ter * cdhn(i) * FH(i) |
---|
586 | ELSE |
---|
587 | !''''''''''''''' |
---|
588 | ! Cas stables : |
---|
589 | !''''''''''''''' |
---|
590 | zri(i) = MIN(20., zri(i)) |
---|
591 | SELECT CASE (iflag_corr_sta) |
---|
592 | CASE (1) ! Louis 1979 + Mascart 1995 |
---|
593 | FM(i) = MAX(1. / ((1 + BPRIME * zri(i))**2), f_ri_cd_min) |
---|
594 | FH(i) = FM(i) |
---|
595 | CASE (2) ! Louis 1982 |
---|
596 | zscf = SQRT(1. + CD * ABS(zri(i))) |
---|
597 | FM(i) = AMAX1(1. / (1. + 2. * CB * zri(i) / zscf), f_ri_cd_min) |
---|
598 | FH(i) = AMAX1(1. / (1. + 3. * CB * zri(i) * zscf), f_ri_cd_min) |
---|
599 | CASE (3) ! Laurent Li |
---|
600 | FM(i) = MAX(1.0 / (1.0 + 10.0 * zri(i) * (1 + 8.0 * zri(i))), f_ri_cd_min) |
---|
601 | FH(i) = FM(i) |
---|
602 | CASE (4) ! King 2001 |
---|
603 | IF (zri(i) < C2 / 2.) THEN |
---|
604 | FM(i) = MAX((1. - zri(i) / C2)**2, f_ri_cd_min) |
---|
605 | FH(i) = FM(i) |
---|
606 | else |
---|
607 | FM(i) = MAX(C3 * ((C2 / zri(i))**2), f_ri_cd_min) |
---|
608 | FH(i) = FM(i) |
---|
609 | endif |
---|
610 | CASE (5) ! MO |
---|
611 | IF (zri(i) < 1. / alpha) THEN |
---|
612 | FM(i) = MAX((1. - alpha * zri(i))**2, f_ri_cd_min) |
---|
613 | FH(i) = FM(i) |
---|
614 | else |
---|
615 | FM(i) = MAX(1E-7, f_ri_cd_min) |
---|
616 | FH(i) = FM(i) |
---|
617 | endif |
---|
618 | CASE (6) ! Consistent with turbulence scheme (in stationary case) derived in atke (2023) |
---|
619 | sm(i) = MAX(0., cn * (1. - zri(i) / ric)) |
---|
620 | prandtl(i) = pr_neut + zri(i) * pr_slope |
---|
621 | FM(i) = MAX((sm(i)**(3. / 2.) * sqrt(cepsilon) * (1 - zri(i) / prandtl(i))**(1. / 2.)), f_ri_cd_min) |
---|
622 | FH(i) = MAX((FM(i) / prandtl(i)), f_ri_cd_min) |
---|
623 | CASE default ! Louis 1982 |
---|
624 | zscf = SQRT(1. + CD * ABS(zri(i))) |
---|
625 | FM(i) = AMAX1(1. / (1. + 2. * CB * zri(i) / zscf), f_ri_cd_min) |
---|
626 | FH(i) = AMAX1(1. / (1. + 3. * CB * zri(i) * zscf), f_ri_cd_min) |
---|
627 | END SELECT |
---|
628 | ! Calcul des drags |
---|
629 | cdm(i) = cdmn(i) * FM(i) |
---|
630 | cdh(i) = f_cdrag_ter * cdhn(i) * FH(i) |
---|
631 | ENDIF |
---|
632 | ENDIF ! fin du if (nsrf == is_oce) |
---|
633 | END DO ! Fin de la boucle sur l'horizontal |
---|
634 | |
---|
635 | END SUBROUTINE cdrag |
---|
636 | |
---|
637 | END MODULE cdrag_mod |
---|