[3331] | 1 | |
---|
| 2 | ! $Id: orografi.F90 2357 2015-08-31 16:25:19Z lguez $ |
---|
| 3 | |
---|
| 4 | SUBROUTINE drag_noro(nlon, nlev, dtime, paprs, pplay, pmea, pstd, psig, pgam, & |
---|
| 5 | pthe, ppic, pval, kgwd, kdx, ktest, t, u, v, pulow, pvlow, pustr, pvstr, & |
---|
| 6 | d_t, d_u, d_v) |
---|
| 7 | |
---|
| 8 | USE dimphy |
---|
| 9 | IMPLICIT NONE |
---|
| 10 | ! ====================================================================== |
---|
| 11 | ! Auteur(s): F.Lott (LMD/CNRS) date: 19950201 |
---|
| 12 | ! Objet: Frottement de la montagne Interface |
---|
| 13 | ! ====================================================================== |
---|
| 14 | ! Arguments: |
---|
| 15 | ! dtime---input-R- pas d'integration (s) |
---|
| 16 | ! paprs---input-R-pression pour chaque inter-couche (en Pa) |
---|
| 17 | ! pplay---input-R-pression pour le mileu de chaque couche (en Pa) |
---|
| 18 | ! t-------input-R-temperature (K) |
---|
| 19 | ! u-------input-R-vitesse horizontale (m/s) |
---|
| 20 | ! v-------input-R-vitesse horizontale (m/s) |
---|
| 21 | |
---|
| 22 | ! d_t-----output-R-increment de la temperature |
---|
| 23 | ! d_u-----output-R-increment de la vitesse u |
---|
| 24 | ! d_v-----output-R-increment de la vitesse v |
---|
| 25 | ! ====================================================================== |
---|
| 26 | include "YOMCST.h" |
---|
| 27 | |
---|
| 28 | ! ARGUMENTS |
---|
| 29 | |
---|
| 30 | INTEGER nlon, nlev |
---|
| 31 | REAL dtime |
---|
| 32 | REAL paprs(klon, klev+1) |
---|
| 33 | REAL pplay(klon, klev) |
---|
| 34 | REAL pmea(nlon), pstd(nlon), psig(nlon), pgam(nlon), pthe(nlon) |
---|
| 35 | REAL ppic(nlon), pval(nlon) |
---|
| 36 | REAL pulow(nlon), pvlow(nlon), pustr(nlon), pvstr(nlon) |
---|
| 37 | REAL t(nlon, nlev), u(nlon, nlev), v(nlon, nlev) |
---|
| 38 | REAL d_t(nlon, nlev), d_u(nlon, nlev), d_v(nlon, nlev) |
---|
| 39 | |
---|
| 40 | INTEGER i, k, kgwd, kdx(nlon), ktest(nlon) |
---|
| 41 | |
---|
| 42 | ! Variables locales: |
---|
| 43 | |
---|
| 44 | REAL zgeom(klon, klev) |
---|
| 45 | REAL pdtdt(klon, klev), pdudt(klon, klev), pdvdt(klon, klev) |
---|
| 46 | REAL pt(klon, klev), pu(klon, klev), pv(klon, klev) |
---|
| 47 | REAL papmf(klon, klev), papmh(klon, klev+1) |
---|
| 48 | |
---|
| 49 | ! initialiser les variables de sortie (pour securite) |
---|
| 50 | |
---|
| 51 | DO i = 1, klon |
---|
| 52 | pulow(i) = 0.0 |
---|
| 53 | pvlow(i) = 0.0 |
---|
| 54 | pustr(i) = 0.0 |
---|
| 55 | pvstr(i) = 0.0 |
---|
| 56 | END DO |
---|
| 57 | DO k = 1, klev |
---|
| 58 | DO i = 1, klon |
---|
| 59 | d_t(i, k) = 0.0 |
---|
| 60 | d_u(i, k) = 0.0 |
---|
| 61 | d_v(i, k) = 0.0 |
---|
| 62 | pdudt(i, k) = 0.0 |
---|
| 63 | pdvdt(i, k) = 0.0 |
---|
| 64 | pdtdt(i, k) = 0.0 |
---|
| 65 | END DO |
---|
| 66 | END DO |
---|
| 67 | |
---|
| 68 | ! preparer les variables d'entree (attention: l'ordre des niveaux |
---|
| 69 | ! verticaux augmente du haut vers le bas) |
---|
| 70 | |
---|
| 71 | DO k = 1, klev |
---|
| 72 | DO i = 1, klon |
---|
| 73 | pt(i, k) = t(i, klev-k+1) |
---|
| 74 | pu(i, k) = u(i, klev-k+1) |
---|
| 75 | pv(i, k) = v(i, klev-k+1) |
---|
| 76 | papmf(i, k) = pplay(i, klev-k+1) |
---|
| 77 | END DO |
---|
| 78 | END DO |
---|
| 79 | DO k = 1, klev + 1 |
---|
| 80 | DO i = 1, klon |
---|
| 81 | papmh(i, k) = paprs(i, klev-k+2) |
---|
| 82 | END DO |
---|
| 83 | END DO |
---|
| 84 | DO i = 1, klon |
---|
| 85 | zgeom(i, klev) = rd*pt(i, klev)*log(papmh(i,klev+1)/papmf(i,klev)) |
---|
| 86 | END DO |
---|
| 87 | DO k = klev - 1, 1, -1 |
---|
| 88 | DO i = 1, klon |
---|
| 89 | zgeom(i, k) = zgeom(i, k+1) + rd*(pt(i,k)+pt(i,k+1))/2.0*log(papmf(i,k+ & |
---|
| 90 | 1)/papmf(i,k)) |
---|
| 91 | END DO |
---|
| 92 | END DO |
---|
| 93 | |
---|
| 94 | ! appeler la routine principale |
---|
| 95 | |
---|
| 96 | CALL orodrag(klon, klev, kgwd, kdx, ktest, dtime, papmh, papmf, zgeom, pt, & |
---|
| 97 | pu, pv, pmea, pstd, psig, pgam, pthe, ppic, pval, pulow, pvlow, pdudt, & |
---|
| 98 | pdvdt, pdtdt) |
---|
| 99 | |
---|
| 100 | DO k = 1, klev |
---|
| 101 | DO i = 1, klon |
---|
| 102 | d_u(i, klev+1-k) = dtime*pdudt(i, k) |
---|
| 103 | d_v(i, klev+1-k) = dtime*pdvdt(i, k) |
---|
| 104 | d_t(i, klev+1-k) = dtime*pdtdt(i, k) |
---|
| 105 | pustr(i) = pustr(i) & ! IM BUG . |
---|
| 106 | ! +rg*pdudt(i,k)*(papmh(i,k+1)-papmh(i,k)) |
---|
| 107 | +pdudt(i, k)*(papmh(i,k+1)-papmh(i,k))/rg |
---|
| 108 | pvstr(i) = pvstr(i) & ! IM BUG . |
---|
| 109 | ! +rg*pdvdt(i,k)*(papmh(i,k+1)-papmh(i,k)) |
---|
| 110 | +pdvdt(i, k)*(papmh(i,k+1)-papmh(i,k))/rg |
---|
| 111 | END DO |
---|
| 112 | END DO |
---|
| 113 | |
---|
| 114 | RETURN |
---|
| 115 | END SUBROUTINE drag_noro |
---|
| 116 | SUBROUTINE orodrag(nlon, nlev, kgwd, kdx, ktest, ptsphy, paphm1, papm1, & |
---|
| 117 | pgeom1, ptm1, pum1, pvm1, pmea, pstd, psig, pgamma, ptheta, ppic, pval & |
---|
| 118 | ! outputs |
---|
| 119 | , pulow, pvlow, pvom, pvol, pte) |
---|
| 120 | |
---|
| 121 | USE dimphy |
---|
| 122 | IMPLICIT NONE |
---|
| 123 | |
---|
| 124 | |
---|
| 125 | |
---|
| 126 | ! **** *gwdrag* - does the gravity wave parametrization. |
---|
| 127 | |
---|
| 128 | ! purpose. |
---|
| 129 | ! -------- |
---|
| 130 | |
---|
| 131 | ! this routine computes the physical tendencies of the |
---|
| 132 | ! prognostic variables u,v and t due to vertical transports by |
---|
| 133 | ! subgridscale orographically excited gravity waves |
---|
| 134 | |
---|
| 135 | ! ** interface. |
---|
| 136 | ! ---------- |
---|
| 137 | ! called from *callpar*. |
---|
| 138 | |
---|
| 139 | ! the routine takes its input from the long-term storage: |
---|
| 140 | ! u,v,t and p at t-1. |
---|
| 141 | |
---|
| 142 | ! explicit arguments : |
---|
| 143 | ! -------------------- |
---|
| 144 | ! ==== inputs === |
---|
| 145 | ! ==== outputs === |
---|
| 146 | |
---|
| 147 | ! implicit arguments : none |
---|
| 148 | ! -------------------- |
---|
| 149 | |
---|
| 150 | ! implicit logical (l) |
---|
| 151 | |
---|
| 152 | ! method. |
---|
| 153 | ! ------- |
---|
| 154 | |
---|
| 155 | ! externals. |
---|
| 156 | ! ---------- |
---|
| 157 | INTEGER ismin, ismax |
---|
| 158 | EXTERNAL ismin, ismax |
---|
| 159 | |
---|
| 160 | ! reference. |
---|
| 161 | ! ---------- |
---|
| 162 | |
---|
| 163 | ! author. |
---|
| 164 | ! ------- |
---|
| 165 | ! m.miller + b.ritter e.c.m.w.f. 15/06/86. |
---|
| 166 | |
---|
| 167 | ! f.lott + m. miller e.c.m.w.f. 22/11/94 |
---|
| 168 | ! ----------------------------------------------------------------------- |
---|
| 169 | |
---|
| 170 | |
---|
| 171 | include "YOMCST.h" |
---|
| 172 | include "YOEGWD.h" |
---|
| 173 | ! ----------------------------------------------------------------------- |
---|
| 174 | |
---|
| 175 | ! * 0.1 arguments |
---|
| 176 | ! --------- |
---|
| 177 | |
---|
| 178 | |
---|
| 179 | ! ym integer nlon, nlev, klevm1 |
---|
| 180 | INTEGER nlon, nlev |
---|
| 181 | INTEGER kgwd, jl, ilevp1, jk, ji |
---|
| 182 | REAL zdelp, ztemp, zforc, ztend |
---|
| 183 | REAL rover, zb, zc, zconb, zabsv |
---|
| 184 | REAL zzd1, ratio, zbet, zust, zvst, zdis |
---|
| 185 | REAL pte(nlon, nlev), pvol(nlon, nlev), pvom(nlon, nlev), pulow(klon), & |
---|
| 186 | pvlow(klon) |
---|
| 187 | REAL pum1(nlon, nlev), pvm1(nlon, nlev), ptm1(nlon, nlev), pmea(nlon), & |
---|
| 188 | pstd(nlon), psig(nlon), pgamma(nlon), ptheta(nlon), ppic(nlon), & |
---|
| 189 | pval(nlon), pgeom1(nlon, nlev), papm1(nlon, nlev), paphm1(nlon, nlev+1) |
---|
| 190 | |
---|
| 191 | INTEGER kdx(nlon), ktest(nlon) |
---|
| 192 | ! ----------------------------------------------------------------------- |
---|
| 193 | |
---|
| 194 | ! * 0.2 local arrays |
---|
| 195 | ! ------------ |
---|
| 196 | INTEGER isect(klon), icrit(klon), ikcrith(klon), ikenvh(klon), iknu(klon), & |
---|
| 197 | iknu2(klon), ikcrit(klon), ikhlim(klon) |
---|
| 198 | |
---|
| 199 | REAL ztau(klon, klev+1), ztauf(klon, klev+1), zstab(klon, klev+1), & |
---|
| 200 | zvph(klon, klev+1), zrho(klon, klev+1), zri(klon, klev+1), & |
---|
| 201 | zpsi(klon, klev+1), zzdep(klon, klev) |
---|
| 202 | REAL zdudt(klon), zdvdt(klon), zdtdt(klon), zdedt(klon), zvidis(klon), & |
---|
| 203 | znu(klon), zd1(klon), zd2(klon), zdmod(klon) |
---|
| 204 | REAL ztmst, ptsphy, zrtmst |
---|
| 205 | |
---|
| 206 | ! ------------------------------------------------------------------ |
---|
| 207 | |
---|
| 208 | ! * 1. initialization |
---|
| 209 | ! -------------- |
---|
| 210 | |
---|
| 211 | |
---|
| 212 | ! ------------------------------------------------------------------ |
---|
| 213 | |
---|
| 214 | ! * 1.1 computational constants |
---|
| 215 | ! ----------------------- |
---|
| 216 | |
---|
| 217 | |
---|
| 218 | ! ztmst=twodt |
---|
| 219 | ! if(nstep.eq.nstart) ztmst=0.5*twodt |
---|
| 220 | ! ym klevm1=klev-1 |
---|
| 221 | ztmst = ptsphy |
---|
| 222 | zrtmst = 1./ztmst |
---|
| 223 | |
---|
| 224 | ! ------------------------------------------------------------------ |
---|
| 225 | |
---|
| 226 | ! * 1.3 check whether row contains point for printing |
---|
| 227 | ! --------------------------------------------- |
---|
| 228 | |
---|
| 229 | |
---|
| 230 | ! ------------------------------------------------------------------ |
---|
| 231 | |
---|
| 232 | ! * 2. precompute basic state variables. |
---|
| 233 | ! * ---------- ----- ----- ---------- |
---|
| 234 | ! * define low level wind, project winds in plane of |
---|
| 235 | ! * low level wind, determine sector in which to take |
---|
| 236 | ! * the variance and set indicator for critical levels. |
---|
| 237 | |
---|
| 238 | |
---|
| 239 | |
---|
| 240 | |
---|
| 241 | CALL orosetup(nlon, ktest, ikcrit, ikcrith, icrit, ikenvh, iknu, iknu2, & |
---|
| 242 | paphm1, papm1, pum1, pvm1, ptm1, pgeom1, pstd, zrho, zri, zstab, ztau, & |
---|
| 243 | zvph, zpsi, zzdep, pulow, pvlow, ptheta, pgamma, pmea, ppic, pval, znu, & |
---|
| 244 | zd1, zd2, zdmod) |
---|
| 245 | |
---|
| 246 | ! *********************************************************** |
---|
| 247 | |
---|
| 248 | |
---|
| 249 | ! * 3. compute low level stresses using subcritical and |
---|
| 250 | ! * supercritical forms.computes anisotropy coefficient |
---|
| 251 | ! * as measure of orographic twodimensionality. |
---|
| 252 | |
---|
| 253 | |
---|
| 254 | CALL gwstress(nlon, nlev, ktest, icrit, ikenvh, iknu, zrho, zstab, zvph, & |
---|
| 255 | pstd, psig, pmea, ppic, ztau, pgeom1, zdmod) |
---|
| 256 | |
---|
| 257 | ! * 4. compute stress profile. |
---|
| 258 | ! * ------- ------ -------- |
---|
| 259 | |
---|
| 260 | |
---|
| 261 | |
---|
| 262 | CALL gwprofil(nlon, nlev, kgwd, kdx, ktest, ikcrith, icrit, paphm1, zrho, & |
---|
| 263 | zstab, zvph, zri, ztau, zdmod, psig, pstd) |
---|
| 264 | |
---|
| 265 | ! * 5. compute tendencies. |
---|
| 266 | ! * ------------------- |
---|
| 267 | |
---|
| 268 | |
---|
| 269 | ! explicit solution at all levels for the gravity wave |
---|
| 270 | ! implicit solution for the blocked levels |
---|
| 271 | |
---|
| 272 | DO jl = kidia, kfdia |
---|
| 273 | zvidis(jl) = 0.0 |
---|
| 274 | zdudt(jl) = 0.0 |
---|
| 275 | zdvdt(jl) = 0.0 |
---|
| 276 | zdtdt(jl) = 0.0 |
---|
| 277 | END DO |
---|
| 278 | |
---|
| 279 | ilevp1 = klev + 1 |
---|
| 280 | |
---|
| 281 | |
---|
| 282 | DO jk = 1, klev |
---|
| 283 | |
---|
| 284 | |
---|
| 285 | ! do 523 jl=1,kgwd |
---|
| 286 | ! ji=kdx(jl) |
---|
| 287 | ! Modif vectorisation 02/04/2004 |
---|
| 288 | DO ji = kidia, kfdia |
---|
| 289 | IF (ktest(ji)==1) THEN |
---|
| 290 | |
---|
| 291 | zdelp = paphm1(ji, jk+1) - paphm1(ji, jk) |
---|
| 292 | ztemp = -rg*(ztau(ji,jk+1)-ztau(ji,jk))/(zvph(ji,ilevp1)*zdelp) |
---|
| 293 | zdudt(ji) = (pulow(ji)*zd1(ji)-pvlow(ji)*zd2(ji))*ztemp/zdmod(ji) |
---|
| 294 | zdvdt(ji) = (pvlow(ji)*zd1(ji)+pulow(ji)*zd2(ji))*ztemp/zdmod(ji) |
---|
| 295 | |
---|
| 296 | ! controle des overshoots: |
---|
| 297 | |
---|
| 298 | zforc = sqrt(zdudt(ji)**2+zdvdt(ji)**2) + 1.E-12 |
---|
| 299 | ztend = sqrt(pum1(ji,jk)**2+pvm1(ji,jk)**2)/ztmst + 1.E-12 |
---|
| 300 | rover = 0.25 |
---|
| 301 | IF (zforc>=rover*ztend) THEN |
---|
| 302 | zdudt(ji) = rover*ztend/zforc*zdudt(ji) |
---|
| 303 | zdvdt(ji) = rover*ztend/zforc*zdvdt(ji) |
---|
| 304 | END IF |
---|
| 305 | |
---|
| 306 | ! fin du controle des overshoots |
---|
| 307 | |
---|
| 308 | IF (jk>=ikenvh(ji)) THEN |
---|
| 309 | zb = 1.0 - 0.18*pgamma(ji) - 0.04*pgamma(ji)**2 |
---|
| 310 | zc = 0.48*pgamma(ji) + 0.3*pgamma(ji)**2 |
---|
| 311 | zconb = 2.*ztmst*gkwake*psig(ji)/(4.*pstd(ji)) |
---|
| 312 | zabsv = sqrt(pum1(ji,jk)**2+pvm1(ji,jk)**2)/2. |
---|
| 313 | zzd1 = zb*cos(zpsi(ji,jk))**2 + zc*sin(zpsi(ji,jk))**2 |
---|
| 314 | ratio = (cos(zpsi(ji,jk))**2+pgamma(ji)*sin(zpsi(ji, & |
---|
| 315 | jk))**2)/(pgamma(ji)*cos(zpsi(ji,jk))**2+sin(zpsi(ji,jk))**2) |
---|
| 316 | zbet = max(0., 2.-1./ratio)*zconb*zzdep(ji, jk)*zzd1*zabsv |
---|
| 317 | |
---|
| 318 | ! simplement oppose au vent |
---|
| 319 | |
---|
| 320 | zdudt(ji) = -pum1(ji, jk)/ztmst |
---|
| 321 | zdvdt(ji) = -pvm1(ji, jk)/ztmst |
---|
| 322 | |
---|
| 323 | ! projection dans la direction de l'axe principal de l'orographie |
---|
| 324 | ! mod zdudt(ji)=-(pum1(ji,jk)*cos(ptheta(ji)*rpi/180.) |
---|
| 325 | ! mod * +pvm1(ji,jk)*sin(ptheta(ji)*rpi/180.)) |
---|
| 326 | ! mod * *cos(ptheta(ji)*rpi/180.)/ztmst |
---|
| 327 | ! mod zdvdt(ji)=-(pum1(ji,jk)*cos(ptheta(ji)*rpi/180.) |
---|
| 328 | ! mod * +pvm1(ji,jk)*sin(ptheta(ji)*rpi/180.)) |
---|
| 329 | ! mod * *sin(ptheta(ji)*rpi/180.)/ztmst |
---|
| 330 | zdudt(ji) = zdudt(ji)*(zbet/(1.+zbet)) |
---|
| 331 | zdvdt(ji) = zdvdt(ji)*(zbet/(1.+zbet)) |
---|
| 332 | END IF |
---|
| 333 | pvom(ji, jk) = zdudt(ji) |
---|
| 334 | pvol(ji, jk) = zdvdt(ji) |
---|
| 335 | zust = pum1(ji, jk) + ztmst*zdudt(ji) |
---|
| 336 | zvst = pvm1(ji, jk) + ztmst*zdvdt(ji) |
---|
| 337 | zdis = 0.5*(pum1(ji,jk)**2+pvm1(ji,jk)**2-zust**2-zvst**2) |
---|
| 338 | zdedt(ji) = zdis/ztmst |
---|
| 339 | zvidis(ji) = zvidis(ji) + zdis*zdelp |
---|
| 340 | zdtdt(ji) = zdedt(ji)/rcpd |
---|
| 341 | ! pte(ji,jk)=zdtdt(ji) |
---|
| 342 | |
---|
| 343 | ! ENCORE UN TRUC POUR EVITER LES EXPLOSIONS |
---|
| 344 | |
---|
| 345 | pte(ji, jk) = 0.0 |
---|
| 346 | |
---|
| 347 | END IF |
---|
| 348 | END DO |
---|
| 349 | |
---|
| 350 | END DO |
---|
| 351 | |
---|
| 352 | |
---|
| 353 | RETURN |
---|
| 354 | END SUBROUTINE orodrag |
---|
| 355 | SUBROUTINE orosetup(nlon, ktest, kkcrit, kkcrith, kcrit, kkenvh, kknu, kknu2, & |
---|
| 356 | paphm1, papm1, pum1, pvm1, ptm1, pgeom1, pstd, prho, pri, pstab, ptau, & |
---|
| 357 | pvph, ppsi, pzdep, pulow, pvlow, ptheta, pgamma, pmea, ppic, pval, pnu, & |
---|
| 358 | pd1, pd2, pdmod) |
---|
| 359 | |
---|
| 360 | ! **** *gwsetup* |
---|
| 361 | |
---|
| 362 | ! purpose. |
---|
| 363 | ! -------- |
---|
| 364 | |
---|
| 365 | ! ** interface. |
---|
| 366 | ! ---------- |
---|
| 367 | ! from *orodrag* |
---|
| 368 | |
---|
| 369 | ! explicit arguments : |
---|
| 370 | ! -------------------- |
---|
| 371 | ! ==== inputs === |
---|
| 372 | ! ==== outputs === |
---|
| 373 | |
---|
| 374 | ! implicit arguments : none |
---|
| 375 | ! -------------------- |
---|
| 376 | |
---|
| 377 | ! method. |
---|
| 378 | ! ------- |
---|
| 379 | |
---|
| 380 | |
---|
| 381 | ! externals. |
---|
| 382 | ! ---------- |
---|
| 383 | |
---|
| 384 | |
---|
| 385 | ! reference. |
---|
| 386 | ! ---------- |
---|
| 387 | |
---|
| 388 | ! see ecmwf research department documentation of the "i.f.s." |
---|
| 389 | |
---|
| 390 | ! author. |
---|
| 391 | ! ------- |
---|
| 392 | |
---|
| 393 | ! modifications. |
---|
| 394 | ! -------------- |
---|
| 395 | ! f.lott for the new-gwdrag scheme november 1993 |
---|
| 396 | |
---|
| 397 | ! ----------------------------------------------------------------------- |
---|
| 398 | USE dimphy |
---|
| 399 | IMPLICIT NONE |
---|
| 400 | |
---|
| 401 | |
---|
| 402 | include "YOMCST.h" |
---|
| 403 | include "YOEGWD.h" |
---|
| 404 | |
---|
| 405 | ! ----------------------------------------------------------------------- |
---|
| 406 | |
---|
| 407 | ! * 0.1 arguments |
---|
| 408 | ! --------- |
---|
| 409 | |
---|
| 410 | INTEGER nlon |
---|
| 411 | INTEGER jl, jk |
---|
| 412 | REAL zdelp |
---|
| 413 | |
---|
| 414 | INTEGER kkcrit(nlon), kkcrith(nlon), kcrit(nlon), ktest(nlon), kkenvh(nlon) |
---|
| 415 | |
---|
| 416 | |
---|
| 417 | REAL paphm1(nlon, klev+1), papm1(nlon, klev), pum1(nlon, klev), & |
---|
| 418 | pvm1(nlon, klev), ptm1(nlon, klev), pgeom1(nlon, klev), & |
---|
| 419 | prho(nlon, klev+1), pri(nlon, klev+1), pstab(nlon, klev+1), & |
---|
| 420 | ptau(nlon, klev+1), pvph(nlon, klev+1), ppsi(nlon, klev+1), & |
---|
| 421 | pzdep(nlon, klev) |
---|
| 422 | REAL pulow(nlon), pvlow(nlon), ptheta(nlon), pgamma(nlon), pnu(nlon), & |
---|
| 423 | pd1(nlon), pd2(nlon), pdmod(nlon) |
---|
| 424 | REAL pstd(nlon), pmea(nlon), ppic(nlon), pval(nlon) |
---|
| 425 | |
---|
| 426 | ! ----------------------------------------------------------------------- |
---|
| 427 | |
---|
| 428 | ! * 0.2 local arrays |
---|
| 429 | ! ------------ |
---|
| 430 | |
---|
| 431 | |
---|
| 432 | INTEGER ilevm1, ilevm2, ilevh |
---|
| 433 | REAL zcons1, zcons2, zcons3, zhgeo |
---|
| 434 | REAL zu, zphi, zvt1, zvt2, zst, zvar, zdwind, zwind |
---|
| 435 | REAL zstabm, zstabp, zrhom, zrhop, alpha |
---|
| 436 | REAL zggeenv, zggeom1, zgvar |
---|
| 437 | LOGICAL lo |
---|
| 438 | LOGICAL ll1(klon, klev+1) |
---|
| 439 | INTEGER kknu(klon), kknu2(klon), kknub(klon), kknul(klon), kentp(klon), & |
---|
| 440 | ncount(klon) |
---|
| 441 | |
---|
| 442 | REAL zhcrit(klon, klev), zvpf(klon, klev), zdp(klon, klev) |
---|
| 443 | REAL znorm(klon), zb(klon), zc(klon), zulow(klon), zvlow(klon), znup(klon), & |
---|
| 444 | znum(klon) |
---|
| 445 | |
---|
| 446 | ! ------------------------------------------------------------------ |
---|
| 447 | |
---|
| 448 | ! * 1. initialization |
---|
| 449 | ! -------------- |
---|
| 450 | |
---|
| 451 | ! print *,' entree gwsetup' |
---|
| 452 | |
---|
| 453 | ! ------------------------------------------------------------------ |
---|
| 454 | |
---|
| 455 | ! * 1.1 computational constants |
---|
| 456 | ! ----------------------- |
---|
| 457 | |
---|
| 458 | |
---|
| 459 | ilevm1 = klev - 1 |
---|
| 460 | ilevm2 = klev - 2 |
---|
| 461 | ilevh = klev/3 |
---|
| 462 | |
---|
| 463 | zcons1 = 1./rd |
---|
| 464 | ! old zcons2=g**2/cpd |
---|
| 465 | zcons2 = rg**2/rcpd |
---|
| 466 | ! old zcons3=1.5*api |
---|
| 467 | zcons3 = 1.5*rpi |
---|
| 468 | |
---|
| 469 | ! ------------------------------------------------------------------ |
---|
| 470 | |
---|
| 471 | ! * 2. |
---|
| 472 | ! -------------- |
---|
| 473 | |
---|
| 474 | |
---|
| 475 | ! ------------------------------------------------------------------ |
---|
| 476 | |
---|
| 477 | ! * 2.1 define low level wind, project winds in plane of |
---|
| 478 | ! * low level wind, determine sector in which to take |
---|
| 479 | ! * the variance and set indicator for critical levels. |
---|
| 480 | |
---|
| 481 | |
---|
| 482 | |
---|
| 483 | DO jl = kidia, kfdia |
---|
| 484 | kknu(jl) = klev |
---|
| 485 | kknu2(jl) = klev |
---|
| 486 | kknub(jl) = klev |
---|
| 487 | kknul(jl) = klev |
---|
| 488 | pgamma(jl) = max(pgamma(jl), gtsec) |
---|
| 489 | ll1(jl, klev+1) = .FALSE. |
---|
| 490 | END DO |
---|
| 491 | |
---|
| 492 | ! Ajouter une initialisation (L. Li, le 23fev99): |
---|
| 493 | |
---|
| 494 | DO jk = klev, ilevh, -1 |
---|
| 495 | DO jl = kidia, kfdia |
---|
| 496 | ll1(jl, jk) = .FALSE. |
---|
| 497 | END DO |
---|
| 498 | END DO |
---|
| 499 | |
---|
| 500 | ! * define top of low level flow |
---|
| 501 | ! ---------------------------- |
---|
| 502 | DO jk = klev, ilevh, -1 |
---|
| 503 | DO jl = kidia, kfdia |
---|
| 504 | lo = (paphm1(jl,jk)/paphm1(jl,klev+1)) >= gsigcr |
---|
| 505 | IF (lo) THEN |
---|
| 506 | kkcrit(jl) = jk |
---|
| 507 | END IF |
---|
| 508 | zhcrit(jl, jk) = ppic(jl) |
---|
| 509 | zhgeo = pgeom1(jl, jk)/rg |
---|
| 510 | ll1(jl, jk) = (zhgeo>zhcrit(jl,jk)) |
---|
| 511 | IF (ll1(jl,jk) .NEQV. ll1(jl,jk+1)) THEN |
---|
| 512 | kknu(jl) = jk |
---|
| 513 | END IF |
---|
| 514 | IF (.NOT. ll1(jl,ilevh)) kknu(jl) = ilevh |
---|
| 515 | END DO |
---|
| 516 | END DO |
---|
| 517 | DO jk = klev, ilevh, -1 |
---|
| 518 | DO jl = kidia, kfdia |
---|
| 519 | zhcrit(jl, jk) = ppic(jl) - pval(jl) |
---|
| 520 | zhgeo = pgeom1(jl, jk)/rg |
---|
| 521 | ll1(jl, jk) = (zhgeo>zhcrit(jl,jk)) |
---|
| 522 | IF (ll1(jl,jk) .NEQV. ll1(jl,jk+1)) THEN |
---|
| 523 | kknu2(jl) = jk |
---|
| 524 | END IF |
---|
| 525 | IF (.NOT. ll1(jl,ilevh)) kknu2(jl) = ilevh |
---|
| 526 | END DO |
---|
| 527 | END DO |
---|
| 528 | DO jk = klev, ilevh, -1 |
---|
| 529 | DO jl = kidia, kfdia |
---|
| 530 | zhcrit(jl, jk) = amax1(ppic(jl)-pmea(jl), pmea(jl)-pval(jl)) |
---|
| 531 | zhgeo = pgeom1(jl, jk)/rg |
---|
| 532 | ll1(jl, jk) = (zhgeo>zhcrit(jl,jk)) |
---|
| 533 | IF (ll1(jl,jk) .NEQV. ll1(jl,jk+1)) THEN |
---|
| 534 | kknub(jl) = jk |
---|
| 535 | END IF |
---|
| 536 | IF (.NOT. ll1(jl,ilevh)) kknub(jl) = ilevh |
---|
| 537 | END DO |
---|
| 538 | END DO |
---|
| 539 | |
---|
| 540 | DO jl = kidia, kfdia |
---|
| 541 | kknu(jl) = min(kknu(jl), nktopg) |
---|
| 542 | kknu2(jl) = min(kknu2(jl), nktopg) |
---|
| 543 | kknub(jl) = min(kknub(jl), nktopg) |
---|
| 544 | kknul(jl) = klev |
---|
| 545 | END DO |
---|
| 546 | |
---|
| 547 | ! c* initialize various arrays |
---|
| 548 | |
---|
| 549 | DO jl = kidia, kfdia |
---|
| 550 | prho(jl, klev+1) = 0.0 |
---|
| 551 | pstab(jl, klev+1) = 0.0 |
---|
| 552 | pstab(jl, 1) = 0.0 |
---|
| 553 | pri(jl, klev+1) = 9999.0 |
---|
| 554 | ppsi(jl, klev+1) = 0.0 |
---|
| 555 | pri(jl, 1) = 0.0 |
---|
| 556 | pvph(jl, 1) = 0.0 |
---|
| 557 | pulow(jl) = 0.0 |
---|
| 558 | pvlow(jl) = 0.0 |
---|
| 559 | zulow(jl) = 0.0 |
---|
| 560 | zvlow(jl) = 0.0 |
---|
| 561 | kkcrith(jl) = klev |
---|
| 562 | kkenvh(jl) = klev |
---|
| 563 | kentp(jl) = klev |
---|
| 564 | kcrit(jl) = 1 |
---|
| 565 | ncount(jl) = 0 |
---|
| 566 | ll1(jl, klev+1) = .FALSE. |
---|
| 567 | END DO |
---|
| 568 | |
---|
| 569 | ! * define low-level flow |
---|
| 570 | ! --------------------- |
---|
| 571 | |
---|
| 572 | DO jk = klev, 2, -1 |
---|
| 573 | DO jl = kidia, kfdia |
---|
| 574 | IF (ktest(jl)==1) THEN |
---|
| 575 | zdp(jl, jk) = papm1(jl, jk) - papm1(jl, jk-1) |
---|
| 576 | prho(jl, jk) = 2.*paphm1(jl, jk)*zcons1/(ptm1(jl,jk)+ptm1(jl,jk-1)) |
---|
| 577 | pstab(jl, jk) = 2.*zcons2/(ptm1(jl,jk)+ptm1(jl,jk-1))* & |
---|
| 578 | (1.-rcpd*prho(jl,jk)*(ptm1(jl,jk)-ptm1(jl,jk-1))/zdp(jl,jk)) |
---|
| 579 | pstab(jl, jk) = max(pstab(jl,jk), gssec) |
---|
| 580 | END IF |
---|
| 581 | END DO |
---|
| 582 | END DO |
---|
| 583 | |
---|
| 584 | ! ******************************************************************** |
---|
| 585 | |
---|
| 586 | ! * define blocked flow |
---|
| 587 | ! ------------------- |
---|
| 588 | DO jk = klev, ilevh, -1 |
---|
| 589 | DO jl = kidia, kfdia |
---|
| 590 | IF (jk>=kknub(jl) .AND. jk<=kknul(jl)) THEN |
---|
| 591 | pulow(jl) = pulow(jl) + pum1(jl, jk)*(paphm1(jl,jk+1)-paphm1(jl,jk)) |
---|
| 592 | pvlow(jl) = pvlow(jl) + pvm1(jl, jk)*(paphm1(jl,jk+1)-paphm1(jl,jk)) |
---|
| 593 | END IF |
---|
| 594 | END DO |
---|
| 595 | END DO |
---|
| 596 | DO jl = kidia, kfdia |
---|
| 597 | pulow(jl) = pulow(jl)/(paphm1(jl,kknul(jl)+1)-paphm1(jl,kknub(jl))) |
---|
| 598 | pvlow(jl) = pvlow(jl)/(paphm1(jl,kknul(jl)+1)-paphm1(jl,kknub(jl))) |
---|
| 599 | znorm(jl) = max(sqrt(pulow(jl)**2+pvlow(jl)**2), gvsec) |
---|
| 600 | pvph(jl, klev+1) = znorm(jl) |
---|
| 601 | END DO |
---|
| 602 | |
---|
| 603 | ! ******* setup orography axes and define plane of profiles ******* |
---|
| 604 | |
---|
| 605 | DO jl = kidia, kfdia |
---|
| 606 | lo = (pulow(jl)<gvsec) .AND. (pulow(jl)>=-gvsec) |
---|
| 607 | IF (lo) THEN |
---|
| 608 | zu = pulow(jl) + 2.*gvsec |
---|
| 609 | ELSE |
---|
| 610 | zu = pulow(jl) |
---|
| 611 | END IF |
---|
| 612 | zphi = atan(pvlow(jl)/zu) |
---|
| 613 | ppsi(jl, klev+1) = ptheta(jl)*rpi/180. - zphi |
---|
| 614 | zb(jl) = 1. - 0.18*pgamma(jl) - 0.04*pgamma(jl)**2 |
---|
| 615 | zc(jl) = 0.48*pgamma(jl) + 0.3*pgamma(jl)**2 |
---|
| 616 | pd1(jl) = zb(jl) - (zb(jl)-zc(jl))*(sin(ppsi(jl,klev+1))**2) |
---|
| 617 | pd2(jl) = (zb(jl)-zc(jl))*sin(ppsi(jl,klev+1))*cos(ppsi(jl,klev+1)) |
---|
| 618 | pdmod(jl) = sqrt(pd1(jl)**2+pd2(jl)**2) |
---|
| 619 | END DO |
---|
| 620 | |
---|
| 621 | ! ************ define flow in plane of lowlevel stress ************* |
---|
| 622 | |
---|
| 623 | DO jk = 1, klev |
---|
| 624 | DO jl = kidia, kfdia |
---|
| 625 | IF (ktest(jl)==1) THEN |
---|
| 626 | zvt1 = pulow(jl)*pum1(jl, jk) + pvlow(jl)*pvm1(jl, jk) |
---|
| 627 | zvt2 = -pvlow(jl)*pum1(jl, jk) + pulow(jl)*pvm1(jl, jk) |
---|
| 628 | zvpf(jl, jk) = (zvt1*pd1(jl)+zvt2*pd2(jl))/(znorm(jl)*pdmod(jl)) |
---|
| 629 | END IF |
---|
| 630 | ptau(jl, jk) = 0.0 |
---|
| 631 | pzdep(jl, jk) = 0.0 |
---|
| 632 | ppsi(jl, jk) = 0.0 |
---|
| 633 | ll1(jl, jk) = .FALSE. |
---|
| 634 | END DO |
---|
| 635 | END DO |
---|
| 636 | DO jk = 2, klev |
---|
| 637 | DO jl = kidia, kfdia |
---|
| 638 | IF (ktest(jl)==1) THEN |
---|
| 639 | zdp(jl, jk) = papm1(jl, jk) - papm1(jl, jk-1) |
---|
| 640 | pvph(jl, jk) = ((paphm1(jl,jk)-papm1(jl,jk-1))*zvpf(jl,jk)+(papm1(jl, & |
---|
| 641 | jk)-paphm1(jl,jk))*zvpf(jl,jk-1))/zdp(jl, jk) |
---|
| 642 | IF (pvph(jl,jk)<gvsec) THEN |
---|
| 643 | pvph(jl, jk) = gvsec |
---|
| 644 | kcrit(jl) = jk |
---|
| 645 | END IF |
---|
| 646 | END IF |
---|
| 647 | END DO |
---|
| 648 | END DO |
---|
| 649 | |
---|
| 650 | ! * 2.2 brunt-vaisala frequency and density at half levels. |
---|
| 651 | |
---|
| 652 | |
---|
| 653 | DO jk = ilevh, klev |
---|
| 654 | DO jl = kidia, kfdia |
---|
| 655 | IF (ktest(jl)==1) THEN |
---|
| 656 | IF (jk>=(kknub(jl)+1) .AND. jk<=kknul(jl)) THEN |
---|
| 657 | zst = zcons2/ptm1(jl, jk)*(1.-rcpd*prho(jl,jk)*(ptm1(jl, & |
---|
| 658 | jk)-ptm1(jl,jk-1))/zdp(jl,jk)) |
---|
| 659 | pstab(jl, klev+1) = pstab(jl, klev+1) + zst*zdp(jl, jk) |
---|
| 660 | pstab(jl, klev+1) = max(pstab(jl,klev+1), gssec) |
---|
| 661 | prho(jl, klev+1) = prho(jl, klev+1) + paphm1(jl, jk)*2.*zdp(jl, jk) & |
---|
| 662 | *zcons1/(ptm1(jl,jk)+ptm1(jl,jk-1)) |
---|
| 663 | END IF |
---|
| 664 | END IF |
---|
| 665 | END DO |
---|
| 666 | END DO |
---|
| 667 | |
---|
| 668 | DO jl = kidia, kfdia |
---|
| 669 | pstab(jl, klev+1) = pstab(jl, klev+1)/(papm1(jl,kknul(jl))-papm1(jl,kknub & |
---|
| 670 | (jl))) |
---|
| 671 | prho(jl, klev+1) = prho(jl, klev+1)/(papm1(jl,kknul(jl))-papm1(jl,kknub( & |
---|
| 672 | jl))) |
---|
| 673 | zvar = pstd(jl) |
---|
| 674 | END DO |
---|
| 675 | |
---|
| 676 | ! * 2.3 mean flow richardson number. |
---|
| 677 | ! * and critical height for froude layer |
---|
| 678 | |
---|
| 679 | |
---|
| 680 | DO jk = 2, klev |
---|
| 681 | DO jl = kidia, kfdia |
---|
| 682 | IF (ktest(jl)==1) THEN |
---|
| 683 | zdwind = max(abs(zvpf(jl,jk)-zvpf(jl,jk-1)), gvsec) |
---|
| 684 | pri(jl, jk) = pstab(jl, jk)*(zdp(jl,jk)/(rg*prho(jl,jk)*zdwind))**2 |
---|
| 685 | pri(jl, jk) = max(pri(jl,jk), grcrit) |
---|
| 686 | END IF |
---|
| 687 | END DO |
---|
| 688 | END DO |
---|
| 689 | |
---|
| 690 | |
---|
| 691 | |
---|
| 692 | ! * define top of 'envelope' layer |
---|
| 693 | ! ---------------------------- |
---|
| 694 | |
---|
| 695 | DO jl = kidia, kfdia |
---|
| 696 | pnu(jl) = 0.0 |
---|
| 697 | znum(jl) = 0.0 |
---|
| 698 | END DO |
---|
| 699 | |
---|
| 700 | DO jk = 2, klev - 1 |
---|
| 701 | DO jl = kidia, kfdia |
---|
| 702 | |
---|
| 703 | IF (ktest(jl)==1) THEN |
---|
| 704 | |
---|
| 705 | IF (jk>=kknub(jl)) THEN |
---|
| 706 | |
---|
| 707 | znum(jl) = pnu(jl) |
---|
| 708 | zwind = (pulow(jl)*pum1(jl,jk)+pvlow(jl)*pvm1(jl,jk))/ & |
---|
| 709 | max(sqrt(pulow(jl)**2+pvlow(jl)**2), gvsec) |
---|
| 710 | zwind = max(sqrt(zwind**2), gvsec) |
---|
| 711 | zdelp = paphm1(jl, jk+1) - paphm1(jl, jk) |
---|
| 712 | zstabm = sqrt(max(pstab(jl,jk),gssec)) |
---|
| 713 | zstabp = sqrt(max(pstab(jl,jk+1),gssec)) |
---|
| 714 | zrhom = prho(jl, jk) |
---|
| 715 | zrhop = prho(jl, jk+1) |
---|
| 716 | pnu(jl) = pnu(jl) + (zdelp/rg)*((zstabp/zrhop+zstabm/zrhom)/2.)/ & |
---|
| 717 | zwind |
---|
| 718 | IF ((znum(jl)<=gfrcrit) .AND. (pnu(jl)>gfrcrit) .AND. (kkenvh( & |
---|
| 719 | jl)==klev)) kkenvh(jl) = jk |
---|
| 720 | |
---|
| 721 | END IF |
---|
| 722 | |
---|
| 723 | END IF |
---|
| 724 | |
---|
| 725 | END DO |
---|
| 726 | END DO |
---|
| 727 | |
---|
| 728 | ! calculation of a dynamical mixing height for the breaking |
---|
| 729 | ! of gravity waves: |
---|
| 730 | |
---|
| 731 | |
---|
| 732 | DO jl = kidia, kfdia |
---|
| 733 | znup(jl) = 0.0 |
---|
| 734 | znum(jl) = 0.0 |
---|
| 735 | END DO |
---|
| 736 | |
---|
| 737 | DO jk = klev - 1, 2, -1 |
---|
| 738 | DO jl = kidia, kfdia |
---|
| 739 | |
---|
| 740 | IF (ktest(jl)==1) THEN |
---|
| 741 | |
---|
| 742 | znum(jl) = znup(jl) |
---|
| 743 | zwind = (pulow(jl)*pum1(jl,jk)+pvlow(jl)*pvm1(jl,jk))/ & |
---|
| 744 | max(sqrt(pulow(jl)**2+pvlow(jl)**2), gvsec) |
---|
| 745 | zwind = max(sqrt(zwind**2), gvsec) |
---|
| 746 | zdelp = paphm1(jl, jk+1) - paphm1(jl, jk) |
---|
| 747 | zstabm = sqrt(max(pstab(jl,jk),gssec)) |
---|
| 748 | zstabp = sqrt(max(pstab(jl,jk+1),gssec)) |
---|
| 749 | zrhom = prho(jl, jk) |
---|
| 750 | zrhop = prho(jl, jk+1) |
---|
| 751 | znup(jl) = znup(jl) + (zdelp/rg)*((zstabp/zrhop+zstabm/zrhom)/2.)/ & |
---|
| 752 | zwind |
---|
| 753 | IF ((znum(jl)<=rpi/2.) .AND. (znup(jl)>rpi/2.) .AND. (kkcrith( & |
---|
| 754 | jl)==klev)) kkcrith(jl) = jk |
---|
| 755 | |
---|
| 756 | END IF |
---|
| 757 | |
---|
| 758 | END DO |
---|
| 759 | END DO |
---|
| 760 | |
---|
| 761 | DO jl = kidia, kfdia |
---|
| 762 | kkcrith(jl) = min0(kkcrith(jl), kknu2(jl)) |
---|
| 763 | kkcrith(jl) = max0(kkcrith(jl), ilevh*2) |
---|
| 764 | END DO |
---|
| 765 | |
---|
| 766 | ! directional info for flow blocking ************************* |
---|
| 767 | |
---|
| 768 | DO jk = ilevh, klev |
---|
| 769 | DO jl = kidia, kfdia |
---|
| 770 | IF (jk>=kkenvh(jl)) THEN |
---|
| 771 | lo = (pum1(jl,jk)<gvsec) .AND. (pum1(jl,jk)>=-gvsec) |
---|
| 772 | IF (lo) THEN |
---|
| 773 | zu = pum1(jl, jk) + 2.*gvsec |
---|
| 774 | ELSE |
---|
| 775 | zu = pum1(jl, jk) |
---|
| 776 | END IF |
---|
| 777 | zphi = atan(pvm1(jl,jk)/zu) |
---|
| 778 | ppsi(jl, jk) = ptheta(jl)*rpi/180. - zphi |
---|
| 779 | END IF |
---|
| 780 | END DO |
---|
| 781 | END DO |
---|
| 782 | ! forms the vertical 'leakiness' ************************** |
---|
| 783 | |
---|
| 784 | alpha = 3. |
---|
| 785 | |
---|
| 786 | DO jk = ilevh, klev |
---|
| 787 | DO jl = kidia, kfdia |
---|
| 788 | IF (jk>=kkenvh(jl)) THEN |
---|
| 789 | zggeenv = amax1(1., (pgeom1(jl,kkenvh(jl))+pgeom1(jl, & |
---|
| 790 | kkenvh(jl)-1))/2.) |
---|
| 791 | zggeom1 = amax1(pgeom1(jl,jk), 1.) |
---|
| 792 | zgvar = amax1(pstd(jl)*rg, 1.) |
---|
| 793 | ! mod pzdep(jl,jk)=sqrt((zggeenv-zggeom1)/(zggeom1+zgvar)) |
---|
| 794 | pzdep(jl, jk) = (pgeom1(jl,kkenvh(jl)-1)-pgeom1(jl,jk))/ & |
---|
| 795 | (pgeom1(jl,kkenvh(jl)-1)-pgeom1(jl,klev)) |
---|
| 796 | END IF |
---|
| 797 | END DO |
---|
| 798 | END DO |
---|
| 799 | |
---|
| 800 | RETURN |
---|
| 801 | END SUBROUTINE orosetup |
---|
| 802 | SUBROUTINE gwstress(nlon, nlev, ktest, kcrit, kkenvh, kknu, prho, pstab, & |
---|
| 803 | pvph, pstd, psig, pmea, ppic, ptau, pgeom1, pdmod) |
---|
| 804 | |
---|
| 805 | ! **** *gwstress* |
---|
| 806 | |
---|
| 807 | ! purpose. |
---|
| 808 | ! -------- |
---|
| 809 | |
---|
| 810 | ! ** interface. |
---|
| 811 | ! ---------- |
---|
| 812 | ! call *gwstress* from *gwdrag* |
---|
| 813 | |
---|
| 814 | ! explicit arguments : |
---|
| 815 | ! -------------------- |
---|
| 816 | ! ==== inputs === |
---|
| 817 | ! ==== outputs === |
---|
| 818 | |
---|
| 819 | ! implicit arguments : none |
---|
| 820 | ! -------------------- |
---|
| 821 | |
---|
| 822 | ! method. |
---|
| 823 | ! ------- |
---|
| 824 | |
---|
| 825 | |
---|
| 826 | ! externals. |
---|
| 827 | ! ---------- |
---|
| 828 | |
---|
| 829 | |
---|
| 830 | ! reference. |
---|
| 831 | ! ---------- |
---|
| 832 | |
---|
| 833 | ! see ecmwf research department documentation of the "i.f.s." |
---|
| 834 | |
---|
| 835 | ! author. |
---|
| 836 | ! ------- |
---|
| 837 | |
---|
| 838 | ! modifications. |
---|
| 839 | ! -------------- |
---|
| 840 | ! f. lott put the new gwd on ifs 22/11/93 |
---|
| 841 | |
---|
| 842 | ! ----------------------------------------------------------------------- |
---|
| 843 | USE dimphy |
---|
| 844 | IMPLICIT NONE |
---|
| 845 | include "YOMCST.h" |
---|
| 846 | include "YOEGWD.h" |
---|
| 847 | |
---|
| 848 | ! ----------------------------------------------------------------------- |
---|
| 849 | |
---|
| 850 | ! * 0.1 arguments |
---|
| 851 | ! --------- |
---|
| 852 | |
---|
| 853 | INTEGER nlon, nlev |
---|
| 854 | INTEGER kcrit(nlon), ktest(nlon), kkenvh(nlon), kknu(nlon) |
---|
| 855 | |
---|
| 856 | REAL prho(nlon, nlev+1), pstab(nlon, nlev+1), ptau(nlon, nlev+1), & |
---|
| 857 | pvph(nlon, nlev+1), pgeom1(nlon, nlev), pstd(nlon) |
---|
| 858 | |
---|
| 859 | REAL psig(nlon) |
---|
| 860 | REAL pmea(nlon), ppic(nlon) |
---|
| 861 | REAL pdmod(nlon) |
---|
| 862 | |
---|
| 863 | ! ----------------------------------------------------------------------- |
---|
| 864 | |
---|
| 865 | ! * 0.2 local arrays |
---|
| 866 | ! ------------ |
---|
| 867 | INTEGER jl |
---|
| 868 | REAL zblock, zvar, zeff |
---|
| 869 | LOGICAL lo |
---|
| 870 | |
---|
| 871 | ! ----------------------------------------------------------------------- |
---|
| 872 | |
---|
| 873 | ! * 0.3 functions |
---|
| 874 | ! --------- |
---|
| 875 | ! ------------------------------------------------------------------ |
---|
| 876 | |
---|
| 877 | ! * 1. initialization |
---|
| 878 | ! -------------- |
---|
| 879 | |
---|
| 880 | |
---|
| 881 | ! * 3.1 gravity wave stress. |
---|
| 882 | |
---|
| 883 | |
---|
| 884 | |
---|
| 885 | DO jl = kidia, kfdia |
---|
| 886 | IF (ktest(jl)==1) THEN |
---|
| 887 | |
---|
| 888 | ! effective mountain height above the blocked flow |
---|
| 889 | |
---|
| 890 | IF (kkenvh(jl)==klev) THEN |
---|
| 891 | zblock = 0.0 |
---|
| 892 | ELSE |
---|
| 893 | zblock = (pgeom1(jl,kkenvh(jl))+pgeom1(jl,kkenvh(jl)+1))/2./rg |
---|
| 894 | END IF |
---|
| 895 | |
---|
| 896 | zvar = ppic(jl) - pmea(jl) |
---|
| 897 | zeff = amax1(0., zvar-zblock) |
---|
| 898 | |
---|
| 899 | ptau(jl, klev+1) = prho(jl, klev+1)*gkdrag*psig(jl)*zeff**2/4./ & |
---|
| 900 | pstd(jl)*pvph(jl, klev+1)*pdmod(jl)*sqrt(pstab(jl,klev+1)) |
---|
| 901 | |
---|
| 902 | ! too small value of stress or low level flow include critical level |
---|
| 903 | ! or low level flow: gravity wave stress nul. |
---|
| 904 | |
---|
| 905 | lo = (ptau(jl,klev+1)<gtsec) .OR. (kcrit(jl)>=kknu(jl)) .OR. & |
---|
| 906 | (pvph(jl,klev+1)<gvcrit) |
---|
| 907 | ! if(lo) ptau(jl,klev+1)=0.0 |
---|
| 908 | |
---|
| 909 | ELSE |
---|
| 910 | |
---|
| 911 | ptau(jl, klev+1) = 0.0 |
---|
| 912 | |
---|
| 913 | END IF |
---|
| 914 | |
---|
| 915 | END DO |
---|
| 916 | |
---|
| 917 | RETURN |
---|
| 918 | END SUBROUTINE gwstress |
---|
| 919 | SUBROUTINE gwprofil(nlon, nlev, kgwd, kdx, ktest, kkcrith, kcrit, paphm1, & |
---|
| 920 | prho, pstab, pvph, pri, ptau, pdmod, psig, pvar) |
---|
| 921 | |
---|
| 922 | ! **** *GWPROFIL* |
---|
| 923 | |
---|
| 924 | ! PURPOSE. |
---|
| 925 | ! -------- |
---|
| 926 | |
---|
| 927 | ! ** INTERFACE. |
---|
| 928 | ! ---------- |
---|
| 929 | ! FROM *GWDRAG* |
---|
| 930 | |
---|
| 931 | ! EXPLICIT ARGUMENTS : |
---|
| 932 | ! -------------------- |
---|
| 933 | ! ==== INPUTS === |
---|
| 934 | ! ==== OUTPUTS === |
---|
| 935 | |
---|
| 936 | ! IMPLICIT ARGUMENTS : NONE |
---|
| 937 | ! -------------------- |
---|
| 938 | |
---|
| 939 | ! METHOD: |
---|
| 940 | ! ------- |
---|
| 941 | ! THE STRESS PROFILE FOR GRAVITY WAVES IS COMPUTED AS FOLLOWS: |
---|
| 942 | ! IT IS CONSTANT (NO GWD) AT THE LEVELS BETWEEN THE GROUND |
---|
| 943 | ! AND THE TOP OF THE BLOCKED LAYER (KKENVH). |
---|
| 944 | ! IT DECREASES LINEARLY WITH HEIGHTS FROM THE TOP OF THE |
---|
| 945 | ! BLOCKED LAYER TO 3*VAROR (kKNU), TO SIMULATES LEE WAVES OR |
---|
| 946 | ! NONLINEAR GRAVITY WAVE BREAKING. |
---|
| 947 | ! ABOVE IT IS CONSTANT, EXCEPT WHEN THE WAVE ENCOUNTERS A CRITICAL |
---|
| 948 | ! LEVEL (KCRIT) OR WHEN IT BREAKS. |
---|
| 949 | |
---|
| 950 | |
---|
| 951 | |
---|
| 952 | ! EXTERNALS. |
---|
| 953 | ! ---------- |
---|
| 954 | |
---|
| 955 | |
---|
| 956 | ! REFERENCE. |
---|
| 957 | ! ---------- |
---|
| 958 | |
---|
| 959 | ! SEE ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE "I.F.S." |
---|
| 960 | |
---|
| 961 | ! AUTHOR. |
---|
| 962 | ! ------- |
---|
| 963 | |
---|
| 964 | ! MODIFICATIONS. |
---|
| 965 | ! -------------- |
---|
| 966 | ! PASSAGE OF THE NEW GWDRAG TO I.F.S. (F. LOTT, 22/11/93) |
---|
| 967 | ! ----------------------------------------------------------------------- |
---|
| 968 | USE dimphy |
---|
| 969 | IMPLICIT NONE |
---|
| 970 | |
---|
| 971 | |
---|
| 972 | |
---|
| 973 | |
---|
| 974 | include "YOMCST.h" |
---|
| 975 | include "YOEGWD.h" |
---|
| 976 | |
---|
| 977 | ! ----------------------------------------------------------------------- |
---|
| 978 | |
---|
| 979 | ! * 0.1 ARGUMENTS |
---|
| 980 | ! --------- |
---|
| 981 | |
---|
| 982 | INTEGER nlon, nlev |
---|
| 983 | INTEGER kkcrith(nlon), kcrit(nlon), kdx(nlon), ktest(nlon) |
---|
| 984 | |
---|
| 985 | |
---|
| 986 | REAL paphm1(nlon, nlev+1), pstab(nlon, nlev+1), prho(nlon, nlev+1), & |
---|
| 987 | pvph(nlon, nlev+1), pri(nlon, nlev+1), ptau(nlon, nlev+1) |
---|
| 988 | |
---|
| 989 | REAL pdmod(nlon), psig(nlon), pvar(nlon) |
---|
| 990 | |
---|
| 991 | ! ----------------------------------------------------------------------- |
---|
| 992 | |
---|
| 993 | ! * 0.2 LOCAL ARRAYS |
---|
| 994 | ! ------------ |
---|
| 995 | |
---|
| 996 | INTEGER ilevh, ji, kgwd, jl, jk |
---|
| 997 | REAL zsqr, zalfa, zriw, zdel, zb, zalpha, zdz2n |
---|
| 998 | REAL zdelp, zdelpt |
---|
| 999 | REAL zdz2(klon, klev), znorm(klon), zoro(klon) |
---|
| 1000 | REAL ztau(klon, klev+1) |
---|
| 1001 | |
---|
| 1002 | ! ----------------------------------------------------------------------- |
---|
| 1003 | |
---|
| 1004 | ! * 1. INITIALIZATION |
---|
| 1005 | ! -------------- |
---|
| 1006 | |
---|
| 1007 | ! print *,' entree gwprofil' |
---|
| 1008 | |
---|
| 1009 | |
---|
| 1010 | ! * COMPUTATIONAL CONSTANTS. |
---|
| 1011 | ! ------------- ---------- |
---|
| 1012 | |
---|
| 1013 | ilevh = klev/3 |
---|
| 1014 | |
---|
| 1015 | ! DO 400 ji=1,kgwd |
---|
| 1016 | ! jl=kdx(ji) |
---|
| 1017 | ! Modif vectorisation 02/04/2004 |
---|
| 1018 | DO jl = kidia, kfdia |
---|
| 1019 | IF (ktest(jl)==1) THEN |
---|
| 1020 | zoro(jl) = psig(jl)*pdmod(jl)/4./max(pvar(jl), 1.0) |
---|
| 1021 | ztau(jl, klev+1) = ptau(jl, klev+1) |
---|
| 1022 | END IF |
---|
| 1023 | END DO |
---|
| 1024 | |
---|
| 1025 | |
---|
| 1026 | DO jk = klev, 2, -1 |
---|
| 1027 | |
---|
| 1028 | ! * 4.1 CONSTANT WAVE STRESS UNTIL TOP OF THE |
---|
| 1029 | ! BLOCKING LAYER. |
---|
| 1030 | |
---|
| 1031 | ! DO 411 ji=1,kgwd |
---|
| 1032 | ! jl=kdx(ji) |
---|
| 1033 | ! Modif vectorisation 02/04/2004 |
---|
| 1034 | DO jl = kidia, kfdia |
---|
| 1035 | IF (ktest(jl)==1) THEN |
---|
| 1036 | IF (jk>kkcrith(jl)) THEN |
---|
| 1037 | ptau(jl, jk) = ztau(jl, klev+1) |
---|
| 1038 | ! ENDIF |
---|
| 1039 | ! IF(JK.EQ.KKCRITH(JL)) THEN |
---|
| 1040 | ELSE |
---|
| 1041 | ptau(jl, jk) = grahilo*ztau(jl, klev+1) |
---|
| 1042 | END IF |
---|
| 1043 | END IF |
---|
| 1044 | END DO |
---|
| 1045 | |
---|
| 1046 | ! * 4.15 CONSTANT SHEAR STRESS UNTIL THE TOP OF THE |
---|
| 1047 | ! LOW LEVEL FLOW LAYER. |
---|
| 1048 | |
---|
| 1049 | |
---|
| 1050 | ! * 4.2 WAVE DISPLACEMENT AT NEXT LEVEL. |
---|
| 1051 | |
---|
| 1052 | |
---|
| 1053 | ! DO 421 ji=1,kgwd |
---|
| 1054 | ! jl=kdx(ji) |
---|
| 1055 | ! Modif vectorisation 02/04/2004 |
---|
| 1056 | DO jl = kidia, kfdia |
---|
| 1057 | IF (ktest(jl)==1) THEN |
---|
| 1058 | IF (jk<kkcrith(jl)) THEN |
---|
| 1059 | znorm(jl) = gkdrag*prho(jl, jk)*sqrt(pstab(jl,jk))*pvph(jl, jk)* & |
---|
| 1060 | zoro(jl) |
---|
| 1061 | zdz2(jl, jk) = ptau(jl, jk+1)/max(znorm(jl), gssec) |
---|
| 1062 | END IF |
---|
| 1063 | END IF |
---|
| 1064 | END DO |
---|
| 1065 | |
---|
| 1066 | ! * 4.3 WAVE RICHARDSON NUMBER, NEW WAVE DISPLACEMENT |
---|
| 1067 | ! * AND STRESS: BREAKING EVALUATION AND CRITICAL |
---|
| 1068 | ! LEVEL |
---|
| 1069 | |
---|
| 1070 | |
---|
| 1071 | ! DO 431 ji=1,kgwd |
---|
| 1072 | ! jl=Kdx(ji) |
---|
| 1073 | ! Modif vectorisation 02/04/2004 |
---|
| 1074 | DO jl = kidia, kfdia |
---|
| 1075 | IF (ktest(jl)==1) THEN |
---|
| 1076 | |
---|
| 1077 | IF (jk<kkcrith(jl)) THEN |
---|
| 1078 | IF ((ptau(jl,jk+1)<gtsec) .OR. (jk<=kcrit(jl))) THEN |
---|
| 1079 | ptau(jl, jk) = 0.0 |
---|
| 1080 | ELSE |
---|
| 1081 | zsqr = sqrt(pri(jl,jk)) |
---|
| 1082 | zalfa = sqrt(pstab(jl,jk)*zdz2(jl,jk))/pvph(jl, jk) |
---|
| 1083 | zriw = pri(jl, jk)*(1.-zalfa)/(1+zalfa*zsqr)**2 |
---|
| 1084 | IF (zriw<grcrit) THEN |
---|
| 1085 | zdel = 4./zsqr/grcrit + 1./grcrit**2 + 4./grcrit |
---|
| 1086 | zb = 1./grcrit + 2./zsqr |
---|
| 1087 | zalpha = 0.5*(-zb+sqrt(zdel)) |
---|
| 1088 | zdz2n = (pvph(jl,jk)*zalpha)**2/pstab(jl, jk) |
---|
| 1089 | ptau(jl, jk) = znorm(jl)*zdz2n |
---|
| 1090 | ELSE |
---|
| 1091 | ptau(jl, jk) = znorm(jl)*zdz2(jl, jk) |
---|
| 1092 | END IF |
---|
| 1093 | ptau(jl, jk) = min(ptau(jl,jk), ptau(jl,jk+1)) |
---|
| 1094 | END IF |
---|
| 1095 | END IF |
---|
| 1096 | END IF |
---|
| 1097 | END DO |
---|
| 1098 | |
---|
| 1099 | END DO |
---|
| 1100 | |
---|
| 1101 | ! REORGANISATION OF THE STRESS PROFILE AT LOW LEVEL |
---|
| 1102 | |
---|
| 1103 | ! DO 530 ji=1,kgwd |
---|
| 1104 | ! jl=kdx(ji) |
---|
| 1105 | ! Modif vectorisation 02/04/2004 |
---|
| 1106 | DO jl = kidia, kfdia |
---|
| 1107 | IF (ktest(jl)==1) THEN |
---|
| 1108 | ztau(jl, kkcrith(jl)) = ptau(jl, kkcrith(jl)) |
---|
| 1109 | ztau(jl, nstra) = ptau(jl, nstra) |
---|
| 1110 | END IF |
---|
| 1111 | END DO |
---|
| 1112 | |
---|
| 1113 | DO jk = 1, klev |
---|
| 1114 | |
---|
| 1115 | ! DO 532 ji=1,kgwd |
---|
| 1116 | ! jl=kdx(ji) |
---|
| 1117 | ! Modif vectorisation 02/04/2004 |
---|
| 1118 | DO jl = kidia, kfdia |
---|
| 1119 | IF (ktest(jl)==1) THEN |
---|
| 1120 | |
---|
| 1121 | |
---|
| 1122 | IF (jk>kkcrith(jl)) THEN |
---|
| 1123 | |
---|
| 1124 | zdelp = paphm1(jl, jk) - paphm1(jl, klev+1) |
---|
| 1125 | zdelpt = paphm1(jl, kkcrith(jl)) - paphm1(jl, klev+1) |
---|
| 1126 | ptau(jl, jk) = ztau(jl, klev+1) + (ztau(jl,kkcrith(jl))-ztau(jl, & |
---|
| 1127 | klev+1))*zdelp/zdelpt |
---|
| 1128 | |
---|
| 1129 | END IF |
---|
| 1130 | |
---|
| 1131 | END IF |
---|
| 1132 | END DO |
---|
| 1133 | |
---|
| 1134 | ! REORGANISATION IN THE STRATOSPHERE |
---|
| 1135 | |
---|
| 1136 | ! DO 533 ji=1,kgwd |
---|
| 1137 | ! jl=kdx(ji) |
---|
| 1138 | ! Modif vectorisation 02/04/2004 |
---|
| 1139 | DO jl = kidia, kfdia |
---|
| 1140 | IF (ktest(jl)==1) THEN |
---|
| 1141 | |
---|
| 1142 | |
---|
| 1143 | IF (jk<nstra) THEN |
---|
| 1144 | |
---|
| 1145 | zdelp = paphm1(jl, nstra) |
---|
| 1146 | zdelpt = paphm1(jl, jk) |
---|
| 1147 | ptau(jl, jk) = ztau(jl, nstra)*zdelpt/zdelp |
---|
| 1148 | |
---|
| 1149 | END IF |
---|
| 1150 | |
---|
| 1151 | END IF |
---|
| 1152 | END DO |
---|
| 1153 | |
---|
| 1154 | ! REORGANISATION IN THE TROPOSPHERE |
---|
| 1155 | |
---|
| 1156 | ! DO 534 ji=1,kgwd |
---|
| 1157 | ! jl=kdx(ji) |
---|
| 1158 | ! Modif vectorisation 02/04/2004 |
---|
| 1159 | DO jl = kidia, kfdia |
---|
| 1160 | IF (ktest(jl)==1) THEN |
---|
| 1161 | |
---|
| 1162 | |
---|
| 1163 | IF (jk<kkcrith(jl) .AND. jk>nstra) THEN |
---|
| 1164 | |
---|
| 1165 | zdelp = paphm1(jl, jk) - paphm1(jl, kkcrith(jl)) |
---|
| 1166 | zdelpt = paphm1(jl, nstra) - paphm1(jl, kkcrith(jl)) |
---|
| 1167 | ptau(jl, jk) = ztau(jl, kkcrith(jl)) + (ztau(jl,nstra)-ztau(jl, & |
---|
| 1168 | kkcrith(jl)))*zdelp/zdelpt |
---|
| 1169 | |
---|
| 1170 | END IF |
---|
| 1171 | END IF |
---|
| 1172 | END DO |
---|
| 1173 | |
---|
| 1174 | |
---|
| 1175 | END DO |
---|
| 1176 | |
---|
| 1177 | |
---|
| 1178 | RETURN |
---|
| 1179 | END SUBROUTINE gwprofil |
---|
| 1180 | SUBROUTINE lift_noro(nlon, nlev, dtime, paprs, pplay, plat, pmea, pstd, ppic, & |
---|
| 1181 | ktest, t, u, v, pulow, pvlow, pustr, pvstr, d_t, d_u, d_v) |
---|
| 1182 | |
---|
| 1183 | USE dimphy |
---|
| 1184 | IMPLICIT NONE |
---|
| 1185 | ! ====================================================================== |
---|
| 1186 | ! Auteur(s): F.Lott (LMD/CNRS) date: 19950201 |
---|
| 1187 | ! Objet: Frottement de la montagne Interface |
---|
| 1188 | ! ====================================================================== |
---|
| 1189 | ! Arguments: |
---|
| 1190 | ! dtime---input-R- pas d'integration (s) |
---|
| 1191 | ! paprs---input-R-pression pour chaque inter-couche (en Pa) |
---|
| 1192 | ! pplay---input-R-pression pour le mileu de chaque couche (en Pa) |
---|
| 1193 | ! t-------input-R-temperature (K) |
---|
| 1194 | ! u-------input-R-vitesse horizontale (m/s) |
---|
| 1195 | ! v-------input-R-vitesse horizontale (m/s) |
---|
| 1196 | |
---|
| 1197 | ! d_t-----output-R-increment de la temperature |
---|
| 1198 | ! d_u-----output-R-increment de la vitesse u |
---|
| 1199 | ! d_v-----output-R-increment de la vitesse v |
---|
| 1200 | ! ====================================================================== |
---|
| 1201 | include "YOMCST.h" |
---|
| 1202 | |
---|
| 1203 | ! ARGUMENTS |
---|
| 1204 | |
---|
| 1205 | INTEGER nlon, nlev |
---|
| 1206 | REAL dtime |
---|
| 1207 | REAL paprs(klon, klev+1) |
---|
| 1208 | REAL pplay(klon, klev) |
---|
| 1209 | REAL plat(nlon), pmea(nlon) |
---|
| 1210 | REAL pstd(nlon) |
---|
| 1211 | REAL ppic(nlon) |
---|
| 1212 | REAL pulow(nlon), pvlow(nlon), pustr(nlon), pvstr(nlon) |
---|
| 1213 | REAL t(nlon, nlev), u(nlon, nlev), v(nlon, nlev) |
---|
| 1214 | REAL d_t(nlon, nlev), d_u(nlon, nlev), d_v(nlon, nlev) |
---|
| 1215 | |
---|
| 1216 | INTEGER i, k, ktest(nlon) |
---|
| 1217 | |
---|
| 1218 | ! Variables locales: |
---|
| 1219 | |
---|
| 1220 | REAL zgeom(klon, klev) |
---|
| 1221 | REAL pdtdt(klon, klev), pdudt(klon, klev), pdvdt(klon, klev) |
---|
| 1222 | REAL pt(klon, klev), pu(klon, klev), pv(klon, klev) |
---|
| 1223 | REAL papmf(klon, klev), papmh(klon, klev+1) |
---|
| 1224 | |
---|
| 1225 | ! initialiser les variables de sortie (pour securite) |
---|
| 1226 | |
---|
| 1227 | DO i = 1, klon |
---|
| 1228 | pulow(i) = 0.0 |
---|
| 1229 | pvlow(i) = 0.0 |
---|
| 1230 | pustr(i) = 0.0 |
---|
| 1231 | pvstr(i) = 0.0 |
---|
| 1232 | END DO |
---|
| 1233 | DO k = 1, klev |
---|
| 1234 | DO i = 1, klon |
---|
| 1235 | d_t(i, k) = 0.0 |
---|
| 1236 | d_u(i, k) = 0.0 |
---|
| 1237 | d_v(i, k) = 0.0 |
---|
| 1238 | pdudt(i, k) = 0.0 |
---|
| 1239 | pdvdt(i, k) = 0.0 |
---|
| 1240 | pdtdt(i, k) = 0.0 |
---|
| 1241 | END DO |
---|
| 1242 | END DO |
---|
| 1243 | |
---|
| 1244 | ! preparer les variables d'entree (attention: l'ordre des niveaux |
---|
| 1245 | ! verticaux augmente du haut vers le bas) |
---|
| 1246 | |
---|
| 1247 | DO k = 1, klev |
---|
| 1248 | DO i = 1, klon |
---|
| 1249 | pt(i, k) = t(i, klev-k+1) |
---|
| 1250 | pu(i, k) = u(i, klev-k+1) |
---|
| 1251 | pv(i, k) = v(i, klev-k+1) |
---|
| 1252 | papmf(i, k) = pplay(i, klev-k+1) |
---|
| 1253 | END DO |
---|
| 1254 | END DO |
---|
| 1255 | DO k = 1, klev + 1 |
---|
| 1256 | DO i = 1, klon |
---|
| 1257 | papmh(i, k) = paprs(i, klev-k+2) |
---|
| 1258 | END DO |
---|
| 1259 | END DO |
---|
| 1260 | DO i = 1, klon |
---|
| 1261 | zgeom(i, klev) = rd*pt(i, klev)*log(papmh(i,klev+1)/papmf(i,klev)) |
---|
| 1262 | END DO |
---|
| 1263 | DO k = klev - 1, 1, -1 |
---|
| 1264 | DO i = 1, klon |
---|
| 1265 | zgeom(i, k) = zgeom(i, k+1) + rd*(pt(i,k)+pt(i,k+1))/2.0*log(papmf(i,k+ & |
---|
| 1266 | 1)/papmf(i,k)) |
---|
| 1267 | END DO |
---|
| 1268 | END DO |
---|
| 1269 | |
---|
| 1270 | ! appeler la routine principale |
---|
| 1271 | |
---|
| 1272 | CALL orolift(klon, klev, ktest, dtime, papmh, zgeom, pt, pu, pv, plat, & |
---|
| 1273 | pmea, pstd, ppic, pulow, pvlow, pdudt, pdvdt, pdtdt) |
---|
| 1274 | |
---|
| 1275 | DO k = 1, klev |
---|
| 1276 | DO i = 1, klon |
---|
| 1277 | d_u(i, klev+1-k) = dtime*pdudt(i, k) |
---|
| 1278 | d_v(i, klev+1-k) = dtime*pdvdt(i, k) |
---|
| 1279 | d_t(i, klev+1-k) = dtime*pdtdt(i, k) |
---|
| 1280 | pustr(i) = pustr(i) & ! IM BUG . |
---|
| 1281 | ! +RG*pdudt(i,k)*(papmh(i,k+1)-papmh(i,k)) |
---|
| 1282 | +pdudt(i, k)*(papmh(i,k+1)-papmh(i,k))/rg |
---|
| 1283 | pvstr(i) = pvstr(i) & ! IM BUG . |
---|
| 1284 | ! +RG*pdvdt(i,k)*(papmh(i,k+1)-papmh(i,k)) |
---|
| 1285 | +pdvdt(i, k)*(papmh(i,k+1)-papmh(i,k))/rg |
---|
| 1286 | END DO |
---|
| 1287 | END DO |
---|
| 1288 | |
---|
| 1289 | RETURN |
---|
| 1290 | END SUBROUTINE lift_noro |
---|
| 1291 | SUBROUTINE orolift(nlon, nlev, ktest, ptsphy, paphm1, pgeom1, ptm1, pum1, & |
---|
| 1292 | pvm1, plat, pmea, pvaror, ppic & ! OUTPUTS |
---|
| 1293 | , pulow, pvlow, pvom, pvol, pte) |
---|
| 1294 | |
---|
| 1295 | |
---|
| 1296 | ! **** *OROLIFT: SIMULATE THE GEOSTROPHIC LIFT. |
---|
| 1297 | |
---|
| 1298 | ! PURPOSE. |
---|
| 1299 | ! -------- |
---|
| 1300 | |
---|
| 1301 | ! ** INTERFACE. |
---|
| 1302 | ! ---------- |
---|
| 1303 | ! CALLED FROM *lift_noro |
---|
| 1304 | ! ---------- |
---|
| 1305 | |
---|
| 1306 | ! AUTHOR. |
---|
| 1307 | ! ------- |
---|
| 1308 | ! F.LOTT LMD 22/11/95 |
---|
| 1309 | |
---|
| 1310 | USE dimphy |
---|
| 1311 | IMPLICIT NONE |
---|
| 1312 | |
---|
| 1313 | |
---|
| 1314 | include "YOMCST.h" |
---|
| 1315 | include "YOEGWD.h" |
---|
| 1316 | ! ----------------------------------------------------------------------- |
---|
| 1317 | |
---|
| 1318 | ! * 0.1 ARGUMENTS |
---|
| 1319 | ! --------- |
---|
| 1320 | |
---|
| 1321 | |
---|
| 1322 | INTEGER nlon, nlev |
---|
| 1323 | REAL pte(nlon, nlev), pvol(nlon, nlev), pvom(nlon, nlev), pulow(nlon), & |
---|
| 1324 | pvlow(nlon) |
---|
| 1325 | REAL pum1(nlon, nlev), pvm1(nlon, nlev), ptm1(nlon, nlev), plat(nlon), & |
---|
| 1326 | pmea(nlon), pvaror(nlon), ppic(nlon), pgeom1(nlon, nlev), & |
---|
| 1327 | paphm1(nlon, nlev+1) |
---|
| 1328 | |
---|
| 1329 | INTEGER ktest(nlon) |
---|
| 1330 | REAL ptsphy |
---|
| 1331 | ! ----------------------------------------------------------------------- |
---|
| 1332 | |
---|
| 1333 | ! * 0.2 LOCAL ARRAYS |
---|
| 1334 | ! ------------ |
---|
| 1335 | LOGICAL lifthigh |
---|
| 1336 | ! ym integer klevm1, jl, ilevh, jk |
---|
| 1337 | INTEGER jl, ilevh, jk |
---|
| 1338 | REAL zcons1, ztmst, zrtmst, zpi, zhgeo |
---|
| 1339 | REAL zdelp, zslow, zsqua, zscav, zbet |
---|
| 1340 | INTEGER iknub(klon), iknul(klon) |
---|
| 1341 | LOGICAL ll1(klon, klev+1) |
---|
| 1342 | |
---|
| 1343 | REAL ztau(klon, klev+1), ztav(klon, klev+1), zrho(klon, klev+1) |
---|
| 1344 | REAL zdudt(klon), zdvdt(klon) |
---|
| 1345 | REAL zhcrit(klon, klev) |
---|
| 1346 | CHARACTER (LEN=20) :: modname = 'orografi' |
---|
| 1347 | CHARACTER (LEN=80) :: abort_message |
---|
| 1348 | ! ----------------------------------------------------------------------- |
---|
| 1349 | |
---|
| 1350 | ! * 1.1 INITIALIZATIONS |
---|
| 1351 | ! --------------- |
---|
| 1352 | |
---|
| 1353 | lifthigh = .FALSE. |
---|
| 1354 | |
---|
| 1355 | IF (nlon/=klon .OR. nlev/=klev) THEN |
---|
| 1356 | abort_message = 'pb dimension' |
---|
| 1357 | CALL abort_physic(modname, abort_message, 1) |
---|
| 1358 | END IF |
---|
| 1359 | zcons1 = 1./rd |
---|
| 1360 | ! ym KLEVM1=KLEV-1 |
---|
| 1361 | ztmst = ptsphy |
---|
| 1362 | zrtmst = 1./ztmst |
---|
| 1363 | zpi = acos(-1.) |
---|
| 1364 | |
---|
| 1365 | DO jl = kidia, kfdia |
---|
| 1366 | zrho(jl, klev+1) = 0.0 |
---|
| 1367 | pulow(jl) = 0.0 |
---|
| 1368 | pvlow(jl) = 0.0 |
---|
| 1369 | iknub(jl) = klev |
---|
| 1370 | iknul(jl) = klev |
---|
| 1371 | ilevh = klev/3 |
---|
| 1372 | ll1(jl, klev+1) = .FALSE. |
---|
| 1373 | DO jk = 1, klev |
---|
| 1374 | pvom(jl, jk) = 0.0 |
---|
| 1375 | pvol(jl, jk) = 0.0 |
---|
| 1376 | pte(jl, jk) = 0.0 |
---|
| 1377 | END DO |
---|
| 1378 | END DO |
---|
| 1379 | |
---|
| 1380 | |
---|
| 1381 | ! * 2.1 DEFINE LOW LEVEL WIND, PROJECT WINDS IN PLANE OF |
---|
| 1382 | ! * LOW LEVEL WIND, DETERMINE SECTOR IN WHICH TO TAKE |
---|
| 1383 | ! * THE VARIANCE AND SET INDICATOR FOR CRITICAL LEVELS. |
---|
| 1384 | |
---|
| 1385 | |
---|
| 1386 | |
---|
| 1387 | DO jk = klev, 1, -1 |
---|
| 1388 | DO jl = kidia, kfdia |
---|
| 1389 | IF (ktest(jl)==1) THEN |
---|
| 1390 | zhcrit(jl, jk) = amax1(ppic(jl)-pmea(jl), 100.) |
---|
| 1391 | zhgeo = pgeom1(jl, jk)/rg |
---|
| 1392 | ll1(jl, jk) = (zhgeo>zhcrit(jl,jk)) |
---|
| 1393 | IF (ll1(jl,jk) .NEQV. ll1(jl,jk+1)) THEN |
---|
| 1394 | iknub(jl) = jk |
---|
| 1395 | END IF |
---|
| 1396 | END IF |
---|
| 1397 | END DO |
---|
| 1398 | END DO |
---|
| 1399 | |
---|
| 1400 | DO jl = kidia, kfdia |
---|
| 1401 | IF (ktest(jl)==1) THEN |
---|
| 1402 | iknub(jl) = max(iknub(jl), klev/2) |
---|
| 1403 | iknul(jl) = max(iknul(jl), 2*klev/3) |
---|
| 1404 | IF (iknub(jl)>nktopg) iknub(jl) = nktopg |
---|
| 1405 | IF (iknub(jl)==nktopg) iknul(jl) = klev |
---|
| 1406 | IF (iknub(jl)==iknul(jl)) iknub(jl) = iknul(jl) - 1 |
---|
| 1407 | END IF |
---|
| 1408 | END DO |
---|
| 1409 | |
---|
| 1410 | ! do 2011 jl=kidia,kfdia |
---|
| 1411 | ! IF(KTEST(JL).EQ.1) THEN |
---|
| 1412 | ! print *,' iknul= ',iknul(jl),' iknub=',iknub(jl) |
---|
| 1413 | ! ENDIF |
---|
| 1414 | ! 2011 continue |
---|
| 1415 | |
---|
| 1416 | ! PRINT *,' DANS OROLIFT: 2010' |
---|
| 1417 | |
---|
| 1418 | DO jk = klev, 2, -1 |
---|
| 1419 | DO jl = kidia, kfdia |
---|
| 1420 | zrho(jl, jk) = 2.*paphm1(jl, jk)*zcons1/(ptm1(jl,jk)+ptm1(jl,jk-1)) |
---|
| 1421 | END DO |
---|
| 1422 | END DO |
---|
| 1423 | ! PRINT *,' DANS OROLIFT: 223' |
---|
| 1424 | |
---|
| 1425 | ! ******************************************************************** |
---|
| 1426 | |
---|
| 1427 | ! * DEFINE LOW LEVEL FLOW |
---|
| 1428 | ! ------------------- |
---|
| 1429 | DO jk = klev, 1, -1 |
---|
| 1430 | DO jl = kidia, kfdia |
---|
| 1431 | IF (ktest(jl)==1) THEN |
---|
| 1432 | IF (jk>=iknub(jl) .AND. jk<=iknul(jl)) THEN |
---|
| 1433 | pulow(jl) = pulow(jl) + pum1(jl, jk)*(paphm1(jl,jk+1)-paphm1(jl,jk) & |
---|
| 1434 | ) |
---|
| 1435 | pvlow(jl) = pvlow(jl) + pvm1(jl, jk)*(paphm1(jl,jk+1)-paphm1(jl,jk) & |
---|
| 1436 | ) |
---|
| 1437 | zrho(jl, klev+1) = zrho(jl, klev+1) + zrho(jl, jk)*(paphm1(jl,jk+1) & |
---|
| 1438 | -paphm1(jl,jk)) |
---|
| 1439 | END IF |
---|
| 1440 | END IF |
---|
| 1441 | END DO |
---|
| 1442 | END DO |
---|
| 1443 | DO jl = kidia, kfdia |
---|
| 1444 | IF (ktest(jl)==1) THEN |
---|
| 1445 | pulow(jl) = pulow(jl)/(paphm1(jl,iknul(jl)+1)-paphm1(jl,iknub(jl))) |
---|
| 1446 | pvlow(jl) = pvlow(jl)/(paphm1(jl,iknul(jl)+1)-paphm1(jl,iknub(jl))) |
---|
| 1447 | zrho(jl, klev+1) = zrho(jl, klev+1)/(paphm1(jl,iknul(jl)+1)-paphm1(jl, & |
---|
| 1448 | iknub(jl))) |
---|
| 1449 | END IF |
---|
| 1450 | END DO |
---|
| 1451 | |
---|
| 1452 | ! *********************************************************** |
---|
| 1453 | |
---|
| 1454 | ! * 3. COMPUTE MOUNTAIN LIFT |
---|
| 1455 | |
---|
| 1456 | |
---|
| 1457 | DO jl = kidia, kfdia |
---|
| 1458 | IF (ktest(jl)==1) THEN |
---|
| 1459 | ztau(jl, klev+1) = -gklift*zrho(jl, klev+1)*2.*romega* & ! * |
---|
| 1460 | ! (2*PVAROR(JL)+PMEA(JL))* |
---|
| 1461 | 2*pvaror(jl)*sin(zpi/180.*plat(jl))*pvlow(jl) |
---|
| 1462 | ztav(jl, klev+1) = gklift*zrho(jl, klev+1)*2.*romega* & ! * |
---|
| 1463 | ! (2*PVAROR(JL)+PMEA(JL))* |
---|
| 1464 | 2*pvaror(jl)*sin(zpi/180.*plat(jl))*pulow(jl) |
---|
| 1465 | ELSE |
---|
| 1466 | ztau(jl, klev+1) = 0.0 |
---|
| 1467 | ztav(jl, klev+1) = 0.0 |
---|
| 1468 | END IF |
---|
| 1469 | END DO |
---|
| 1470 | |
---|
| 1471 | ! * 4. COMPUTE LIFT PROFILE |
---|
| 1472 | ! * -------------------- |
---|
| 1473 | |
---|
| 1474 | |
---|
| 1475 | |
---|
| 1476 | DO jk = 1, klev |
---|
| 1477 | DO jl = kidia, kfdia |
---|
| 1478 | IF (ktest(jl)==1) THEN |
---|
| 1479 | ztau(jl, jk) = ztau(jl, klev+1)*paphm1(jl, jk)/paphm1(jl, klev+1) |
---|
| 1480 | ztav(jl, jk) = ztav(jl, klev+1)*paphm1(jl, jk)/paphm1(jl, klev+1) |
---|
| 1481 | ELSE |
---|
| 1482 | ztau(jl, jk) = 0.0 |
---|
| 1483 | ztav(jl, jk) = 0.0 |
---|
| 1484 | END IF |
---|
| 1485 | END DO |
---|
| 1486 | END DO |
---|
| 1487 | |
---|
| 1488 | |
---|
| 1489 | ! * 5. COMPUTE TENDENCIES. |
---|
| 1490 | ! * ------------------- |
---|
| 1491 | IF (lifthigh) THEN |
---|
| 1492 | ! PRINT *,' DANS OROLIFT: 500' |
---|
| 1493 | |
---|
| 1494 | ! EXPLICIT SOLUTION AT ALL LEVELS |
---|
| 1495 | |
---|
| 1496 | DO jk = 1, klev |
---|
| 1497 | DO jl = kidia, kfdia |
---|
| 1498 | IF (ktest(jl)==1) THEN |
---|
| 1499 | zdelp = paphm1(jl, jk+1) - paphm1(jl, jk) |
---|
| 1500 | zdudt(jl) = -rg*(ztau(jl,jk+1)-ztau(jl,jk))/zdelp |
---|
| 1501 | zdvdt(jl) = -rg*(ztav(jl,jk+1)-ztav(jl,jk))/zdelp |
---|
| 1502 | END IF |
---|
| 1503 | END DO |
---|
| 1504 | END DO |
---|
| 1505 | |
---|
| 1506 | ! PROJECT PERPENDICULARLY TO U NOT TO DESTROY ENERGY |
---|
| 1507 | |
---|
| 1508 | DO jk = 1, klev |
---|
| 1509 | DO jl = kidia, kfdia |
---|
| 1510 | IF (ktest(jl)==1) THEN |
---|
| 1511 | |
---|
| 1512 | zslow = sqrt(pulow(jl)**2+pvlow(jl)**2) |
---|
| 1513 | zsqua = amax1(sqrt(pum1(jl,jk)**2+pvm1(jl,jk)**2), gvsec) |
---|
| 1514 | zscav = -zdudt(jl)*pvm1(jl, jk) + zdvdt(jl)*pum1(jl, jk) |
---|
| 1515 | IF (zsqua>gvsec) THEN |
---|
| 1516 | pvom(jl, jk) = -zscav*pvm1(jl, jk)/zsqua**2 |
---|
| 1517 | pvol(jl, jk) = zscav*pum1(jl, jk)/zsqua**2 |
---|
| 1518 | ELSE |
---|
| 1519 | pvom(jl, jk) = 0.0 |
---|
| 1520 | pvol(jl, jk) = 0.0 |
---|
| 1521 | END IF |
---|
| 1522 | zsqua = sqrt(pum1(jl,jk)**2+pum1(jl,jk)**2) |
---|
| 1523 | IF (zsqua<zslow) THEN |
---|
| 1524 | pvom(jl, jk) = zsqua/zslow*pvom(jl, jk) |
---|
| 1525 | pvol(jl, jk) = zsqua/zslow*pvol(jl, jk) |
---|
| 1526 | END IF |
---|
| 1527 | |
---|
| 1528 | END IF |
---|
| 1529 | END DO |
---|
| 1530 | END DO |
---|
| 1531 | |
---|
| 1532 | ! 6. LOW LEVEL LIFT, SEMI IMPLICIT: |
---|
| 1533 | ! ---------------------------------- |
---|
| 1534 | |
---|
| 1535 | ELSE |
---|
| 1536 | |
---|
| 1537 | DO jl = kidia, kfdia |
---|
| 1538 | IF (ktest(jl)==1) THEN |
---|
| 1539 | DO jk = klev, iknub(jl), -1 |
---|
| 1540 | zbet = gklift*2.*romega*sin(zpi/180.*plat(jl))*ztmst* & |
---|
| 1541 | (pgeom1(jl,iknub(jl)-1)-pgeom1(jl,jk))/ & |
---|
| 1542 | (pgeom1(jl,iknub(jl)-1)-pgeom1(jl,klev)) |
---|
| 1543 | zdudt(jl) = -pum1(jl, jk)/ztmst/(1+zbet**2) |
---|
| 1544 | zdvdt(jl) = -pvm1(jl, jk)/ztmst/(1+zbet**2) |
---|
| 1545 | pvom(jl, jk) = zbet**2*zdudt(jl) - zbet*zdvdt(jl) |
---|
| 1546 | pvol(jl, jk) = zbet*zdudt(jl) + zbet**2*zdvdt(jl) |
---|
| 1547 | END DO |
---|
| 1548 | END IF |
---|
| 1549 | END DO |
---|
| 1550 | |
---|
| 1551 | END IF |
---|
| 1552 | |
---|
| 1553 | RETURN |
---|
| 1554 | END SUBROUTINE orolift |
---|
| 1555 | |
---|
| 1556 | |
---|
| 1557 | SUBROUTINE sugwd(nlon, nlev, paprs, pplay) |
---|
| 1558 | USE dimphy |
---|
| 1559 | USE mod_phys_lmdz_para |
---|
| 1560 | USE mod_grid_phy_lmdz |
---|
| 1561 | ! USE parallel |
---|
| 1562 | |
---|
| 1563 | ! **** *SUGWD* INITIALIZE COMMON YOEGWD CONTROLLING GRAVITY WAVE DRAG |
---|
| 1564 | |
---|
| 1565 | ! PURPOSE. |
---|
| 1566 | ! -------- |
---|
| 1567 | ! INITIALIZE YOEGWD, THE COMMON THAT CONTROLS THE |
---|
| 1568 | ! GRAVITY WAVE DRAG PARAMETRIZATION. |
---|
| 1569 | |
---|
| 1570 | ! ** INTERFACE. |
---|
| 1571 | ! ---------- |
---|
| 1572 | ! CALL *SUGWD* FROM *SUPHEC* |
---|
| 1573 | ! ----- ------ |
---|
| 1574 | |
---|
| 1575 | ! EXPLICIT ARGUMENTS : |
---|
| 1576 | ! -------------------- |
---|
| 1577 | ! PSIG : VERTICAL COORDINATE TABLE |
---|
| 1578 | ! NLEV : NUMBER OF MODEL LEVELS |
---|
| 1579 | |
---|
| 1580 | ! IMPLICIT ARGUMENTS : |
---|
| 1581 | ! -------------------- |
---|
| 1582 | ! COMMON YOEGWD |
---|
| 1583 | |
---|
| 1584 | ! METHOD. |
---|
| 1585 | ! ------- |
---|
| 1586 | ! SEE DOCUMENTATION |
---|
| 1587 | |
---|
| 1588 | ! EXTERNALS. |
---|
| 1589 | ! ---------- |
---|
| 1590 | ! NONE |
---|
| 1591 | |
---|
| 1592 | ! REFERENCE. |
---|
| 1593 | ! ---------- |
---|
| 1594 | ! ECMWF Research Department documentation of the IFS |
---|
| 1595 | |
---|
| 1596 | ! AUTHOR. |
---|
| 1597 | ! ------- |
---|
| 1598 | ! MARTIN MILLER *ECMWF* |
---|
| 1599 | |
---|
| 1600 | ! MODIFICATIONS. |
---|
| 1601 | ! -------------- |
---|
| 1602 | ! ORIGINAL : 90-01-01 |
---|
| 1603 | ! ------------------------------------------------------------------ |
---|
| 1604 | IMPLICIT NONE |
---|
| 1605 | |
---|
| 1606 | ! ----------------------------------------------------------------- |
---|
| 1607 | include "YOEGWD.h" |
---|
| 1608 | ! ---------------------------------------------------------------- |
---|
| 1609 | |
---|
| 1610 | INTEGER nlon, nlev, jk |
---|
| 1611 | REAL paprs(nlon, nlev+1) |
---|
| 1612 | REAL pplay(nlon, nlev) |
---|
| 1613 | REAL zpr, zstra, zsigt, zpm1r |
---|
| 1614 | REAL :: pplay_glo(klon_glo, nlev) |
---|
| 1615 | REAL :: paprs_glo(klon_glo, nlev+1) |
---|
| 1616 | |
---|
| 1617 | ! * 1. SET THE VALUES OF THE PARAMETERS |
---|
| 1618 | ! -------------------------------- |
---|
| 1619 | |
---|
| 1620 | |
---|
| 1621 | PRINT *, ' DANS SUGWD NLEV=', nlev |
---|
| 1622 | ghmax = 10000. |
---|
| 1623 | |
---|
| 1624 | zpr = 100000. |
---|
| 1625 | zstra = 0.1 |
---|
| 1626 | zsigt = 0.94 |
---|
| 1627 | ! old ZPR=80000. |
---|
| 1628 | ! old ZSIGT=0.85 |
---|
| 1629 | |
---|
| 1630 | |
---|
| 1631 | CALL gather(pplay, pplay_glo) |
---|
| 1632 | CALL bcast(pplay_glo) |
---|
| 1633 | CALL gather(paprs, paprs_glo) |
---|
| 1634 | CALL bcast(paprs_glo) |
---|
| 1635 | |
---|
| 1636 | |
---|
| 1637 | DO jk = 1, nlev |
---|
| 1638 | zpm1r = pplay_glo((klon_glo/2)+1, jk)/paprs_glo((klon_glo/2)+1, 1) |
---|
| 1639 | IF (zpm1r>=zsigt) THEN |
---|
| 1640 | nktopg = jk |
---|
| 1641 | END IF |
---|
| 1642 | zpm1r = pplay_glo((klon_glo/2)+1, jk)/paprs_glo((klon_glo/2)+1, 1) |
---|
| 1643 | IF (zpm1r>=zstra) THEN |
---|
| 1644 | nstra = jk |
---|
| 1645 | END IF |
---|
| 1646 | END DO |
---|
| 1647 | |
---|
| 1648 | |
---|
| 1649 | |
---|
| 1650 | ! inversion car dans orodrag on compte les niveaux a l'envers |
---|
| 1651 | nktopg = nlev - nktopg + 1 |
---|
| 1652 | nstra = nlev - nstra |
---|
| 1653 | PRINT *, ' DANS SUGWD nktopg=', nktopg |
---|
| 1654 | PRINT *, ' DANS SUGWD nstra=', nstra |
---|
| 1655 | |
---|
| 1656 | gsigcr = 0.80 |
---|
| 1657 | |
---|
| 1658 | ! Values now specified in run.def, or conf_phys_m.F90 |
---|
| 1659 | ! gkdrag = 0.2 |
---|
| 1660 | ! grahilo = 1. |
---|
| 1661 | ! grcrit = 0.01 |
---|
| 1662 | ! gfrcrit = 1.0 |
---|
| 1663 | ! gkwake = 0.50 |
---|
| 1664 | ! gklift = 0.50 |
---|
| 1665 | gvcrit = 0.0 |
---|
| 1666 | |
---|
| 1667 | ! ---------------------------------------------------------------- |
---|
| 1668 | |
---|
| 1669 | ! * 2. SET VALUES OF SECURITY PARAMETERS |
---|
| 1670 | ! --------------------------------- |
---|
| 1671 | |
---|
| 1672 | |
---|
| 1673 | gvsec = 0.10 |
---|
| 1674 | gssec = 1.E-12 |
---|
| 1675 | |
---|
| 1676 | gtsec = 1.E-07 |
---|
| 1677 | |
---|
| 1678 | ! ---------------------------------------------------------------- |
---|
| 1679 | |
---|
| 1680 | RETURN |
---|
| 1681 | END SUBROUTINE sugwd |
---|