[2232] | 1 | ! |
---|
[2772] | 2 | !$Id: cdrag.F90 2868 2017-05-02 11:16:06Z jbmadeleine $ |
---|
[2232] | 3 | ! |
---|
[2868] | 4 | SUBROUTINE cdrag(knon, nsrf, & |
---|
[2232] | 5 | speed, t1, q1, zgeop1, & |
---|
[2243] | 6 | psol, tsurf, qsurf, z0m, z0h, & |
---|
[2868] | 7 | cdm, cdh, zri, pref) |
---|
[2232] | 8 | |
---|
| 9 | USE dimphy |
---|
| 10 | USE indice_sol_mod |
---|
[2772] | 11 | USE print_control_mod, ONLY: lunout, prt_level |
---|
[2868] | 12 | USE ioipsl_getin_p_mod, ONLY : getin_p |
---|
| 13 | |
---|
[2232] | 14 | IMPLICIT NONE |
---|
| 15 | ! ================================================================= c |
---|
| 16 | ! |
---|
| 17 | ! Objet : calcul des cdrags pour le moment (pcfm) et |
---|
[2868] | 18 | ! les flux de chaleur sensible et latente (pcfh) d'apr??s |
---|
| 19 | ! Louis 1982, Louis 1979, King et al 2001 |
---|
| 20 | ! ou Zilitinkevich et al 2002 pour les cas stables, Louis 1979 |
---|
| 21 | ! et 1982 pour les cas instables |
---|
[2232] | 22 | ! |
---|
[2868] | 23 | ! Modified history: |
---|
| 24 | ! writting on the 20/05/2016 |
---|
| 25 | ! modified on the 13/12/2016 to be adapted to LMDZ6 |
---|
[2232] | 26 | ! |
---|
| 27 | ! References: |
---|
| 28 | ! Louis, J. F., 1979: A parametric model of vertical eddy fluxes in the |
---|
| 29 | ! atmosphere. Boundary-Layer Meteorology. 01/1979; 17(2):187-202. |
---|
| 30 | ! Louis, J. F., Tiedtke, M. and Geleyn, J. F., 1982: `A short history of the |
---|
| 31 | ! operational PBL parametrization at ECMWF'. Workshop on boundary layer |
---|
| 32 | ! parametrization, November 1981, ECMWF, Reading, England. |
---|
| 33 | ! Page: 19. Equations in Table 1. |
---|
[2868] | 34 | ! Mascart P, Noilhan J, Giordani H 1995.A MODIFIED PARAMETERIZATION OF FLUX-PROFILE RELATIONSHIPS |
---|
| 35 | ! IN THE SURFACE LAYER USING DIFFERENT ROUGHNESS LENGTH VALUES FOR HEAT AND MOMENTUM |
---|
| 36 | ! Boundary-Layer Meteorology 72: 331-344 |
---|
[2232] | 37 | ! Anton Beljaars. May 1992. The parametrization of the planetary boundary layer. |
---|
| 38 | ! European Centre for Medium-Range Weather Forecasts. |
---|
| 39 | ! Equations: 110-113. Page 40. |
---|
| 40 | ! Miller,M.J., A.C.M.Beljaars, T.N.Palmer. 1992. The sensitivity of the ECMWF |
---|
| 41 | ! model to the parameterization of evaporation from the tropical oceans. J. |
---|
| 42 | ! Climate, 5:418-434. |
---|
[2868] | 43 | ! King J.C, Connolley, W.M ad Derbyshire S.H. 2001, Sensitivity of Modelled Antarctic climate |
---|
| 44 | ! to surface and boundary-layer flux parametrizations |
---|
| 45 | ! QJRMS, 127, pp 779-794 |
---|
[2232] | 46 | ! |
---|
| 47 | ! ================================================================= c |
---|
[2868] | 48 | ! ================================================================= c |
---|
| 49 | ! On choisit le couple de fonctions de correction avec deux flags: |
---|
| 50 | ! Un pour les cas instables, un autre pour les cas stables |
---|
[2232] | 51 | ! |
---|
[2868] | 52 | ! iflag_corr_insta: |
---|
| 53 | ! 1: Louis 1979 avec les modifications de Mascart 1995 (z0/= z0h) |
---|
| 54 | ! 2: Louis 1982 |
---|
| 55 | ! 3: Laurent Li |
---|
[2232] | 56 | ! |
---|
[2868] | 57 | ! iflag_corr_sta: |
---|
| 58 | ! 1: Louis 1979 avec les modifications de Mascart 1995 (z0/= z0h) |
---|
| 59 | ! 2: Louis 1982 |
---|
| 60 | ! 3: Laurent Li |
---|
| 61 | ! 4: King 2001 (SHARP) |
---|
| 62 | ! 5: MO 1st order theory (allow collapse of turbulence) |
---|
| 63 | ! |
---|
[2232] | 64 | ! |
---|
[2868] | 65 | !***************************************************************** |
---|
[2232] | 66 | ! Parametres d'entree |
---|
| 67 | !***************************************************************** |
---|
[2868] | 68 | |
---|
| 69 | INTEGER, INTENT(IN) :: knon, nsrf ! nombre de points de grille sur l'horizontal + type de surface |
---|
[2232] | 70 | REAL, DIMENSION(klon), INTENT(IN) :: speed ! module du vent au 1er niveau du modele |
---|
| 71 | REAL, DIMENSION(klon), INTENT(IN) :: zgeop1! geopotentiel au 1er niveau du modele |
---|
| 72 | REAL, DIMENSION(klon), INTENT(IN) :: tsurf ! Surface temperature (K) |
---|
| 73 | REAL, DIMENSION(klon), INTENT(IN) :: qsurf ! Surface humidity (Kg/Kg) |
---|
[2243] | 74 | REAL, DIMENSION(klon), INTENT(IN) :: z0m, z0h ! Rugosity at surface (m) |
---|
[2868] | 75 | REAL, DIMENSION(klon), INTENT(IN) :: t1 ! Temperature au premier niveau (K) |
---|
| 76 | REAL, DIMENSION(klon), INTENT(IN) :: q1 ! humidite specifique au premier niveau (kg/kg) |
---|
| 77 | REAL, DIMENSION(klon), INTENT(IN) :: psol ! pression au sol |
---|
[2232] | 78 | |
---|
[2868] | 79 | |
---|
| 80 | |
---|
[2232] | 81 | ! Parametres de sortie |
---|
| 82 | !****************************************************************** |
---|
[2868] | 83 | REAL, DIMENSION(klon), INTENT(OUT) :: cdm ! Drag coefficient for heat flux |
---|
| 84 | REAL, DIMENSION(klon), INTENT(OUT) :: cdh ! Drag coefficient for momentum |
---|
[2232] | 85 | REAL, DIMENSION(klon), INTENT(OUT) :: zri ! Richardson number |
---|
| 86 | REAL, DIMENSION(klon), INTENT(OUT) :: pref ! Pression au niveau zgeop/RG |
---|
| 87 | |
---|
[2868] | 88 | ! Variables Locales |
---|
| 89 | !****************************************************************** |
---|
| 90 | |
---|
| 91 | |
---|
[2232] | 92 | INCLUDE "YOMCST.h" |
---|
| 93 | INCLUDE "YOETHF.h" |
---|
| 94 | INCLUDE "clesphys.h" |
---|
[2868] | 95 | |
---|
| 96 | |
---|
| 97 | REAL, PARAMETER :: CKAP=0.40, CKAPT=0.42 |
---|
| 98 | REAL CEPDU2 |
---|
| 99 | REAL ALPHA |
---|
| 100 | REAL CB,CC,CD,C2,C3 |
---|
| 101 | REAL MU, CM, CH, B, CMstar, CHstar |
---|
| 102 | REAL PM, PH, BPRIME |
---|
| 103 | REAL C |
---|
| 104 | INTEGER ng_q1 ! Number of grids that q1 < 0.0 |
---|
| 105 | INTEGER ng_qsurf ! Number of grids that qsurf < 0.0 |
---|
| 106 | INTEGER i |
---|
| 107 | REAL zdu2, ztsolv |
---|
| 108 | REAL ztvd, zscf |
---|
| 109 | REAL zucf, zcr |
---|
| 110 | REAL friv, frih |
---|
| 111 | REAL, DIMENSION(klon) :: FM, FH ! stability functions |
---|
| 112 | REAL, DIMENSION(klon) :: cdmn, cdhn ! Drag coefficient in neutral conditions |
---|
[2441] | 113 | REAL zzzcd |
---|
[2232] | 114 | |
---|
[2868] | 115 | LOGICAL, SAVE :: firstcall = .TRUE. |
---|
| 116 | !$OMP THREADPRIVATE(firstcall) |
---|
| 117 | INTEGER, SAVE :: iflag_corr_sta |
---|
| 118 | !$OMP THREADPRIVATE(iflag_corr_sta) |
---|
| 119 | INTEGER, SAVE :: iflag_corr_insta |
---|
| 120 | !$OMP THREADPRIVATE(iflag_corr_insta) |
---|
| 121 | |
---|
| 122 | !===================================================================c |
---|
| 123 | ! Valeurs numeriques des constantes |
---|
| 124 | !===================================================================c |
---|
| 125 | |
---|
| 126 | |
---|
| 127 | ! Minimum du carre du vent |
---|
| 128 | |
---|
| 129 | CEPDU2 = (0.1)**2 |
---|
| 130 | |
---|
| 131 | ! Louis 1982 |
---|
| 132 | |
---|
| 133 | CB=5.0 |
---|
| 134 | CC=5.0 |
---|
| 135 | CD=5.0 |
---|
| 136 | |
---|
| 137 | |
---|
| 138 | ! King 2001 |
---|
| 139 | |
---|
| 140 | C2=0.25 |
---|
| 141 | C3=0.0625 |
---|
| 142 | |
---|
| 143 | |
---|
| 144 | ! Louis 1979 |
---|
| 145 | |
---|
| 146 | BPRIME=4.7 |
---|
| 147 | B=9.4 |
---|
| 148 | |
---|
| 149 | |
---|
| 150 | !MO |
---|
| 151 | |
---|
| 152 | ALPHA=5.0 |
---|
| 153 | |
---|
| 154 | |
---|
[2232] | 155 | ! ================================================================= c |
---|
[2868] | 156 | ! Tests avant de commencer |
---|
[2232] | 157 | ! Fuxing WANG, 04/03/2015 |
---|
| 158 | ! To check if there are negative q1, qsurf values. |
---|
[2868] | 159 | !====================================================================c |
---|
[2232] | 160 | ng_q1 = 0 ! Initialization |
---|
| 161 | ng_qsurf = 0 ! Initialization |
---|
| 162 | DO i = 1, knon |
---|
| 163 | IF (q1(i).LT.0.0) ng_q1 = ng_q1 + 1 |
---|
| 164 | IF (qsurf(i).LT.0.0) ng_qsurf = ng_qsurf + 1 |
---|
| 165 | ENDDO |
---|
[2772] | 166 | IF (ng_q1.GT.0 .and. prt_level > 5) THEN |
---|
[2232] | 167 | WRITE(lunout,*)" *** Warning: Negative q1(humidity at 1st level) values in cdrag.F90 !" |
---|
| 168 | WRITE(lunout,*)" The total number of the grids is: ", ng_q1 |
---|
| 169 | WRITE(lunout,*)" The negative q1 is set to zero " |
---|
| 170 | ! abort_message="voir ci-dessus" |
---|
[2311] | 171 | ! CALL abort_physic(modname,abort_message,1) |
---|
[2232] | 172 | ENDIF |
---|
[2772] | 173 | IF (ng_qsurf.GT.0 .and. prt_level > 5) THEN |
---|
[2232] | 174 | WRITE(lunout,*)" *** Warning: Negative qsurf(humidity at surface) values in cdrag.F90 !" |
---|
| 175 | WRITE(lunout,*)" The total number of the grids is: ", ng_qsurf |
---|
| 176 | WRITE(lunout,*)" The negative qsurf is set to zero " |
---|
| 177 | ! abort_message="voir ci-dessus" |
---|
[2311] | 178 | ! CALL abort_physic(modname,abort_message,1) |
---|
[2232] | 179 | ENDIF |
---|
| 180 | |
---|
[2868] | 181 | |
---|
| 182 | |
---|
| 183 | !=============================================================================c |
---|
| 184 | ! Calcul du cdrag |
---|
| 185 | !=============================================================================c |
---|
| 186 | |
---|
| 187 | ! On choisit les fonctions de stabilite utilisees au premier appel |
---|
| 188 | !************************************************************************** |
---|
| 189 | IF (firstcall) THEN |
---|
| 190 | iflag_corr_sta=2 |
---|
| 191 | iflag_corr_insta=2 |
---|
| 192 | |
---|
| 193 | CALL getin_p('iflag_corr_sta',iflag_corr_sta) |
---|
| 194 | CALL getin_p('iflag_corr_insta',iflag_corr_insta) |
---|
| 195 | |
---|
| 196 | firstcall = .FALSE. |
---|
| 197 | ENDIF |
---|
| 198 | |
---|
| 199 | !xxxxxxxxxxxxxxxxxxxxxxx |
---|
| 200 | DO i = 1, knon ! Boucle sur l'horizontal |
---|
| 201 | !xxxxxxxxxxxxxxxxxxxxxxx |
---|
| 202 | |
---|
| 203 | |
---|
| 204 | ! calculs preliminaires: |
---|
| 205 | !*********************** |
---|
| 206 | |
---|
| 207 | |
---|
[2232] | 208 | zdu2 = MAX(CEPDU2, speed(i)**2) |
---|
| 209 | pref(i) = EXP(LOG(psol(i)) - zgeop1(i)/(RD*t1(i)* & |
---|
[2868] | 210 | (1.+ RETV * max(q1(i),0.0)))) ! negative q1 set to zero |
---|
| 211 | ztsolv = tsurf(i) * (1.0+RETV*max(qsurf(i),0.0)) ! negative qsurf set to zero |
---|
| 212 | ztvd = (t1(i)+zgeop1(i)/RCPD/(1.+RVTMP2*q1(i))) & |
---|
| 213 | *(1.+RETV*max(q1(i),0.0)) ! negative q1 set to zero |
---|
[2232] | 214 | zri(i) = zgeop1(i)*(ztvd-ztsolv)/(zdu2*ztvd) |
---|
| 215 | |
---|
[2243] | 216 | |
---|
[2868] | 217 | ! Coefficients CD neutres : k^2/ln(z/z0) et k^2/(ln(z/z0)*ln(z/z0h)): |
---|
| 218 | !******************************************************************** |
---|
| 219 | |
---|
[2441] | 220 | zzzcd=CKAP/LOG(1.+zgeop1(i)/(RG*z0m(i))) |
---|
[2868] | 221 | cdmn(i) = zzzcd*zzzcd |
---|
| 222 | cdhn(i) = zzzcd*(CKAP/LOG(1.+zgeop1(i)/(RG*z0h(i)))) |
---|
[2243] | 223 | |
---|
[2868] | 224 | |
---|
| 225 | ! Calcul des fonctions de stabilit?? FMs, FHs, FMi, FHi : |
---|
| 226 | !******************************************************* |
---|
| 227 | |
---|
| 228 | !'''''''''''''' |
---|
| 229 | ! Cas instables |
---|
| 230 | !'''''''''''''' |
---|
| 231 | |
---|
| 232 | IF (zri(i) .LT. 0.) THEN |
---|
| 233 | |
---|
| 234 | |
---|
| 235 | SELECT CASE (iflag_corr_insta) |
---|
| 236 | |
---|
| 237 | CASE (1) ! Louis 1979 + Mascart 1995 |
---|
| 238 | |
---|
| 239 | MU=LOG(MAX(z0m(i)/z0h(i),0.01)) |
---|
| 240 | CMstar=6.8741+2.6933*MU-0.3601*(MU**2)+0.0154*(MU**3) |
---|
| 241 | PM=0.5233-0.0815*MU+0.0135*(MU**2)-0.001*(MU**3) |
---|
| 242 | CHstar=3.2165+4.3431*MU+0.536*(MU**2)-0.0781*(MU**3) |
---|
| 243 | PH=0.5802-0.1571*MU+0.0327*(MU**2)-0.0026*(MU**3) |
---|
| 244 | CH=CHstar*B*CKAP/LOG(z0m(i)+zgeop1(i)/(RG*z0m(i))) & |
---|
| 245 | & * CKAPT/LOG(z0h(i)+zgeop1(i)/(RG*z0h(i))) & |
---|
| 246 | & * ((zgeop1(i)/(RG*z0h(i)))**PH) |
---|
| 247 | CM=CMstar*B*CKAP/LOG(z0m(i)+zgeop1(i)/(RG*z0m(i))) & |
---|
| 248 | & *CKAP/LOG(z0m(i)+zgeop1(i)/(RG*z0m(i))) & |
---|
| 249 | & * ((zgeop1(i)/(RG*z0m(i)))**PM) |
---|
| 250 | |
---|
| 251 | |
---|
| 252 | |
---|
| 253 | |
---|
| 254 | FM(i)=1.-B*zri(i)/(1.+CM*SQRT(ABS(zri(i)))) |
---|
| 255 | FH(i)=1.-B*zri(i)/(1.+CH*SQRT(ABS(zri(i)))) |
---|
| 256 | |
---|
| 257 | CASE (2) ! Louis 1982 |
---|
| 258 | |
---|
| 259 | zucf = 1./(1.+3.0*CB*CC*cdmn(i)*SQRT(ABS(zri(i)) & |
---|
[2243] | 260 | *(1.0+zgeop1(i)/(RG*z0m(i))))) |
---|
[2868] | 261 | FM(i) = AMAX1((1.-2.0*CB*zri(i)*zucf),f_ri_cd_min) |
---|
| 262 | FH(i) = AMAX1((1.-3.0*CB*zri(i)*zucf),f_ri_cd_min) |
---|
| 263 | |
---|
| 264 | |
---|
| 265 | CASE (3) ! Laurent Li |
---|
| 266 | |
---|
| 267 | |
---|
| 268 | FM(i) = MAX(SQRT(1.0-18.0*zri(i)),f_ri_cd_min) |
---|
| 269 | FH(i) = MAX(SQRT(1.0-18.0*zri(i)),f_ri_cd_min) |
---|
| 270 | |
---|
| 271 | |
---|
| 272 | |
---|
| 273 | CASE default ! Louis 1982 |
---|
| 274 | |
---|
| 275 | zucf = 1./(1.+3.0*CB*CC*cdmn(i)*SQRT(ABS(zri(i)) & |
---|
| 276 | *(1.0+zgeop1(i)/(RG*z0m(i))))) |
---|
| 277 | FM(i) = AMAX1((1.-2.0*CB*zri(i)*zucf),f_ri_cd_min) |
---|
| 278 | FH(i) = AMAX1((1.-3.0*CB*zri(i)*zucf),f_ri_cd_min) |
---|
| 279 | |
---|
| 280 | |
---|
| 281 | END SELECT |
---|
| 282 | |
---|
| 283 | |
---|
| 284 | |
---|
| 285 | ! Calcul des drags |
---|
| 286 | |
---|
| 287 | |
---|
| 288 | cdm(i)=cdmn(i)*FM(i) |
---|
| 289 | cdh(i)=f_cdrag_ter*cdhn(i)*FH(i) |
---|
| 290 | |
---|
| 291 | |
---|
| 292 | ! Traitement particulier des cas oceaniques |
---|
| 293 | ! on applique Miller et al 1992 en l'absence de gustiness |
---|
| 294 | |
---|
| 295 | IF (nsrf == is_oce) THEN |
---|
| 296 | ! cdh(i)=f_cdrag_oce*cdhn(i)*FH(i) |
---|
| 297 | |
---|
[2278] | 298 | IF(iflag_gusts==0) THEN |
---|
[2868] | 299 | zcr = (0.0016/(cdmn(i)*SQRT(zdu2)))*ABS(ztvd-ztsolv)**(1./3.) |
---|
| 300 | cdh(i) =f_cdrag_oce* cdhn(i)*(1.0+zcr**1.25)**(1./1.25) |
---|
[2278] | 301 | ENDIF |
---|
[2232] | 302 | |
---|
[2868] | 303 | |
---|
| 304 | cdm(i)=MIN(cdm(i),cdmmax) |
---|
| 305 | cdh(i)=MIN(cdh(i),cdhmax) |
---|
| 306 | |
---|
| 307 | END IF |
---|
| 308 | |
---|
| 309 | |
---|
| 310 | |
---|
| 311 | ELSE |
---|
| 312 | |
---|
| 313 | !''''''''''''''' |
---|
| 314 | ! Cas stables : |
---|
| 315 | !''''''''''''''' |
---|
| 316 | zri(i) = MIN(20.,zri(i)) |
---|
| 317 | |
---|
| 318 | SELECT CASE (iflag_corr_sta) |
---|
| 319 | |
---|
| 320 | CASE (1) ! Louis 1979 + Mascart 1995 |
---|
| 321 | |
---|
| 322 | FM(i)=MAX(1./((1+BPRIME*zri(i))**2),f_ri_cd_min) |
---|
| 323 | FH(i)=FM(i) |
---|
| 324 | |
---|
| 325 | |
---|
| 326 | CASE (2) ! Louis 1982 |
---|
| 327 | |
---|
| 328 | zscf = SQRT(1.+CD*ABS(zri(i))) |
---|
| 329 | FM(i)= AMAX1(1. / (1.+2.*CB*zri(i)/zscf), f_ri_cd_min) |
---|
| 330 | FH(i)= AMAX1(1./ (1.+3.*CB*zri(i)*zscf), f_ri_cd_min ) |
---|
| 331 | |
---|
| 332 | |
---|
| 333 | CASE (3) ! Laurent Li |
---|
| 334 | |
---|
| 335 | FM(i)=MAX(1.0 / (1.0+10.0*zri(i)*(1+8.0*zri(i))),f_ri_cd_min) |
---|
| 336 | FH(i)=FM(i) |
---|
| 337 | |
---|
| 338 | |
---|
| 339 | CASE (4) ! King 2001 |
---|
| 340 | |
---|
| 341 | if (zri(i) .LT. C2/2.) then |
---|
| 342 | FM(i)=MAX((1.-zri(i)/C2)**2,f_ri_cd_min) |
---|
| 343 | FH(i)= FM(i) |
---|
| 344 | |
---|
| 345 | |
---|
| 346 | else |
---|
| 347 | FM(i)=MAX(C3*((C2/zri(i))**2),f_ri_cd_min) |
---|
| 348 | FH(i)= FM(i) |
---|
| 349 | endif |
---|
| 350 | |
---|
| 351 | |
---|
| 352 | CASE (5) ! MO |
---|
| 353 | |
---|
| 354 | if (zri(i) .LT. 1./alpha) then |
---|
| 355 | |
---|
| 356 | FM(i)=MAX((1.-alpha*zri(i))**2,f_ri_cd_min) |
---|
| 357 | FH(i)=FM(i) |
---|
| 358 | |
---|
| 359 | else |
---|
| 360 | |
---|
| 361 | |
---|
| 362 | FM(i)=MAX(1E-7,f_ri_cd_min) |
---|
| 363 | FH(i)=FM(i) |
---|
| 364 | |
---|
| 365 | endif |
---|
| 366 | |
---|
| 367 | |
---|
| 368 | |
---|
| 369 | |
---|
| 370 | |
---|
| 371 | CASE default ! Louis 1982 |
---|
| 372 | |
---|
| 373 | zscf = SQRT(1.+CD*ABS(zri(i))) |
---|
| 374 | FM(i)= AMAX1(1. / (1.+2.*CB*zri(i)/zscf), f_ri_cd_min) |
---|
| 375 | FH(i)= AMAX1(1./ (1.+3.*CB*zri(i)*zscf), f_ri_cd_min ) |
---|
| 376 | |
---|
| 377 | |
---|
| 378 | |
---|
| 379 | END SELECT |
---|
| 380 | |
---|
| 381 | ! Calcul des drags |
---|
| 382 | |
---|
| 383 | |
---|
| 384 | cdm(i)=cdmn(i)*FM(i) |
---|
| 385 | cdh(i)=f_cdrag_ter*cdhn(i)*FH(i) |
---|
| 386 | |
---|
| 387 | IF(nsrf.EQ.is_oce) THEN |
---|
| 388 | |
---|
| 389 | cdh(i)=f_cdrag_oce*cdhn(i)*FH(i) |
---|
| 390 | cdm(i)=MIN(cdm(i),cdmmax) |
---|
| 391 | cdh(i)=MIN(cdh(i),cdhmax) |
---|
| 392 | |
---|
| 393 | ENDIF |
---|
| 394 | |
---|
| 395 | |
---|
| 396 | ENDIF |
---|
| 397 | |
---|
| 398 | |
---|
| 399 | |
---|
| 400 | |
---|
| 401 | !xxxxxxxxxxx |
---|
| 402 | END DO ! Fin de la boucle sur l'horizontal |
---|
| 403 | !xxxxxxxxxxx |
---|
[2232] | 404 | ! ================================================================= c |
---|
| 405 | |
---|
[2868] | 406 | |
---|
[2232] | 407 | |
---|
| 408 | END SUBROUTINE cdrag |
---|
[2868] | 409 | |
---|
| 410 | |
---|
| 411 | !++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
---|