| 1 |
SUBROUTINE flxasc(pdtime, ptenh, pqenh, pten, pqen, pqsen, & |
| 2 |
pgeo, pgeoh, pap, paph, pqte, pvervel, & |
| 3 |
ldland, ldcum, ktype, klab, ptu, pqu, plu, & |
| 4 |
pmfu, pmfub, pentr, pmfus, pmfuq, & |
| 5 |
pmful, plude, pdmfup, kcbot, kctop, kctop0, kcum, & |
| 6 |
pen_u, pde_u) |
| 7 |
use dimens_m |
| 8 |
use dimphy |
| 9 |
use SUPHEC_M |
| 10 |
use yoethf_m |
| 11 |
use yoecumf |
| 12 |
IMPLICIT none |
| 13 |
!---------------------------------------------------------------------- |
| 14 |
! THIS ROUTINE DOES THE CALCULATIONS FOR CLOUD ASCENTS |
| 15 |
! FOR CUMULUS PARAMETERIZATION |
| 16 |
!---------------------------------------------------------------------- |
| 17 |
! |
| 18 |
REAL, intent(in):: pdtime |
| 19 |
REAL pten(klon,klev), ptenh(klon,klev) |
| 20 |
REAL pqen(klon,klev), pqenh(klon,klev), pqsen(klon,klev) |
| 21 |
REAL pgeo(klon,klev), pgeoh(klon,klev) |
| 22 |
REAL pap(klon,klev), paph(klon,klev+1) |
| 23 |
REAL pqte(klon,klev) |
| 24 |
REAL pvervel(klon,klev) ! vitesse verticale en Pa/s |
| 25 |
! |
| 26 |
REAL pmfub(klon), pentr(klon) |
| 27 |
REAL ptu(klon,klev), pqu(klon,klev), plu(klon,klev) |
| 28 |
REAL plude(klon,klev) |
| 29 |
REAL pmfu(klon,klev), pmfus(klon,klev) |
| 30 |
REAL pmfuq(klon,klev), pmful(klon,klev) |
| 31 |
REAL pdmfup(klon,klev) |
| 32 |
INTEGER ktype(klon), klab(klon,klev), kcbot(klon), kctop(klon) |
| 33 |
INTEGER kctop0(klon) |
| 34 |
LOGICAL ldland(klon), ldcum(klon) |
| 35 |
! |
| 36 |
REAL pen_u(klon,klev), pde_u(klon,klev) |
| 37 |
REAL zqold(klon) |
| 38 |
REAL zdland(klon) |
| 39 |
LOGICAL llflag(klon) |
| 40 |
INTEGER k, i, is, icall, kcum |
| 41 |
REAL ztglace, zdphi, zqeen, zseen, zscde, zqude |
| 42 |
REAL zmfusk, zmfuqk, zmfulk, zbuo, zdnoprc, zprcon, zlnew |
| 43 |
! |
| 44 |
REAL zpbot(klon), zptop(klon), zrho(klon) |
| 45 |
REAL zdprho, zentr, zpmid, zmftest, zmfmax |
| 46 |
LOGICAL llo1, llo2 |
| 47 |
! |
| 48 |
REAL zwmax(klon), zzzmb |
| 49 |
INTEGER klwmin(klon) ! level of maximum vertical velocity |
| 50 |
!---------------------------------------------------------------------- |
| 51 |
ztglace = RTT - 13. |
| 52 |
! |
| 53 |
! Chercher le niveau ou la vitesse verticale est maximale: |
| 54 |
DO i = 1, klon |
| 55 |
klwmin(i) = klev |
| 56 |
zwmax(i) = 0.0 |
| 57 |
ENDDO |
| 58 |
DO k = klev, 3, -1 |
| 59 |
DO i = 1, klon |
| 60 |
IF (pvervel(i,k).LT.zwmax(i)) THEN |
| 61 |
zwmax(i) = pvervel(i,k) |
| 62 |
klwmin(i) = k |
| 63 |
ENDIF |
| 64 |
ENDDO |
| 65 |
ENDDO |
| 66 |
!---------------------------------------------------------------------- |
| 67 |
! SET DEFAULT VALUES |
| 68 |
!---------------------------------------------------------------------- |
| 69 |
DO i = 1, klon |
| 70 |
IF (.NOT.ldcum(i)) ktype(i)=0 |
| 71 |
ENDDO |
| 72 |
! |
| 73 |
DO k=1,klev |
| 74 |
DO i = 1, klon |
| 75 |
plu(i,k)=0. |
| 76 |
pmfu(i,k)=0. |
| 77 |
pmfus(i,k)=0. |
| 78 |
pmfuq(i,k)=0. |
| 79 |
pmful(i,k)=0. |
| 80 |
plude(i,k)=0. |
| 81 |
pdmfup(i,k)=0. |
| 82 |
IF(.NOT.ldcum(i).OR.ktype(i).EQ.3) klab(i,k)=0 |
| 83 |
IF(.NOT.ldcum(i).AND.paph(i,k).LT.4.E4) kctop0(i)=k |
| 84 |
ENDDO |
| 85 |
ENDDO |
| 86 |
! |
| 87 |
DO i = 1, klon |
| 88 |
IF (ldland(i)) THEN |
| 89 |
zdland(i)=3.0E4 |
| 90 |
zdphi=pgeoh(i,kctop0(i))-pgeoh(i,kcbot(i)) |
| 91 |
IF (ptu(i,kctop0(i)).GE.ztglace) zdland(i)=zdphi |
| 92 |
zdland(i)=MAX(3.0E4,zdland(i)) |
| 93 |
zdland(i)=MIN(5.0E4,zdland(i)) |
| 94 |
ENDIF |
| 95 |
ENDDO |
| 96 |
! |
| 97 |
! Initialiser les valeurs au niveau d'ascendance |
| 98 |
! |
| 99 |
DO i = 1, klon |
| 100 |
kctop(i) = klev-1 |
| 101 |
IF (.NOT.ldcum(i)) THEN |
| 102 |
kcbot(i) = klev-1 |
| 103 |
pmfub(i) = 0. |
| 104 |
pqu(i,klev) = 0. |
| 105 |
ENDIF |
| 106 |
pmfu(i,klev) = pmfub(i) |
| 107 |
pmfus(i,klev) = pmfub(i)*(RCPD*ptu(i,klev)+pgeoh(i,klev)) |
| 108 |
pmfuq(i,klev) = pmfub(i)*pqu(i,klev) |
| 109 |
ENDDO |
| 110 |
! |
| 111 |
DO i = 1, klon |
| 112 |
ldcum(i) = .FALSE. |
| 113 |
ENDDO |
| 114 |
!---------------------------------------------------------------------- |
| 115 |
! DO ASCENT: SUBCLOUD LAYER (klab=1) ,CLOUDS (klab=2) |
| 116 |
! BY DOING FIRST DRY-ADIABATIC ASCENT AND THEN |
| 117 |
! BY ADJUSTING T,Q AND L ACCORDINGLY IN *flxadjtq*, |
| 118 |
! THEN CHECK FOR BUOYANCY AND SET FLAGS ACCORDINGLY |
| 119 |
!---------------------------------------------------------------------- |
| 120 |
DO 480 k = klev-1,3,-1 |
| 121 |
! |
| 122 |
IF (LMFMID .AND. k.LT.klev-1 .AND. k.GT.klev/2) THEN |
| 123 |
DO i = 1, klon |
| 124 |
IF (.NOT.ldcum(i) .AND. klab(i,k+1).EQ.0 .AND. & |
| 125 |
pqen(i,k).GT.0.9*pqsen(i,k)) THEN |
| 126 |
ptu(i,k+1) = pten(i,k) +(pgeo(i,k)-pgeoh(i,k+1))/RCPD |
| 127 |
pqu(i,k+1) = pqen(i,k) |
| 128 |
plu(i,k+1) = 0.0 |
| 129 |
zzzmb = MAX(CMFCMIN, -pvervel(i,k)/RG) |
| 130 |
zmfmax = (paph(i,k)-paph(i,k-1))/(RG*pdtime) |
| 131 |
pmfub(i) = MIN(zzzmb,zmfmax) |
| 132 |
pmfu(i,k+1) = pmfub(i) |
| 133 |
pmfus(i,k+1) = pmfub(i)*(RCPD*ptu(i,k+1)+pgeoh(i,k+1)) |
| 134 |
pmfuq(i,k+1) = pmfub(i)*pqu(i,k+1) |
| 135 |
pmful(i,k+1) = 0.0 |
| 136 |
pdmfup(i,k+1) = 0.0 |
| 137 |
kcbot(i) = k |
| 138 |
klab(i,k+1) = 1 |
| 139 |
ktype(i) = 3 |
| 140 |
pentr(i) = ENTRMID |
| 141 |
ENDIF |
| 142 |
ENDDO |
| 143 |
ENDIF |
| 144 |
! |
| 145 |
is = 0 |
| 146 |
DO i = 1, klon |
| 147 |
is = is + klab(i,k+1) |
| 148 |
IF (klab(i,k+1) .EQ. 0) klab(i,k) = 0 |
| 149 |
llflag(i) = .FALSE. |
| 150 |
IF (klab(i,k+1) .GT. 0) llflag(i) = .TRUE. |
| 151 |
ENDDO |
| 152 |
IF (is .EQ. 0) GOTO 480 |
| 153 |
! |
| 154 |
! calculer le taux d'entrainement et de detrainement |
| 155 |
! |
| 156 |
DO i = 1, klon |
| 157 |
pen_u(i,k) = 0.0 |
| 158 |
pde_u(i,k) = 0.0 |
| 159 |
zrho(i)=paph(i,k+1)/(RD*ptenh(i,k+1)) |
| 160 |
zpbot(i)=paph(i,kcbot(i)) |
| 161 |
zptop(i)=paph(i,kctop0(i)) |
| 162 |
ENDDO |
| 163 |
! |
| 164 |
DO 125 i = 1, klon |
| 165 |
IF(ldcum(i)) THEN |
| 166 |
zdprho=(paph(i,k+1)-paph(i,k))/(RG*zrho(i)) |
| 167 |
zentr=pentr(i)*pmfu(i,k+1)*zdprho |
| 168 |
llo1=k.LT.kcbot(i) |
| 169 |
IF(llo1) pde_u(i,k)=zentr |
| 170 |
zpmid=0.5*(zpbot(i)+zptop(i)) |
| 171 |
llo2=llo1.AND.ktype(i).EQ.2.AND. & |
| 172 |
(zpbot(i)-paph(i,k).LT.0.2E5.OR. & |
| 173 |
paph(i,k).GT.zpmid) |
| 174 |
IF(llo2) pen_u(i,k)=zentr |
| 175 |
llo2=llo1.AND.(ktype(i).EQ.1.OR.ktype(i).EQ.3).AND. & |
| 176 |
(k.GE.MAX(klwmin(i),kctop0(i)+2).OR.pap(i,k).GT.zpmid) |
| 177 |
IF(llo2) pen_u(i,k)=zentr |
| 178 |
llo1=pen_u(i,k).GT.0..AND.(ktype(i).EQ.1.OR.ktype(i).EQ.2) |
| 179 |
IF(llo1) THEN |
| 180 |
zentr=zentr*(1.+3.*(1.-MIN(1.,(zpbot(i)-pap(i,k))/1.5E4))) |
| 181 |
pen_u(i,k)=pen_u(i,k)*(1.+3.*(1.-MIN(1., & |
| 182 |
(zpbot(i)-pap(i,k))/1.5E4))) |
| 183 |
pde_u(i,k)=pde_u(i,k)*(1.+3.*(1.-MIN(1., & |
| 184 |
(zpbot(i)-pap(i,k))/1.5E4))) |
| 185 |
ENDIF |
| 186 |
IF(llo2.AND.pqenh(i,k+1).GT.1.E-5) & |
| 187 |
pen_u(i,k)=zentr+MAX(pqte(i,k),0.)/pqenh(i,k+1)* & |
| 188 |
zrho(i)*zdprho |
| 189 |
ENDIF |
| 190 |
125 CONTINUE |
| 191 |
! |
| 192 |
!---------------------------------------------------------------------- |
| 193 |
! DO ADIABATIC ASCENT FOR ENTRAINING/DETRAINING PLUME |
| 194 |
!---------------------------------------------------------------------- |
| 195 |
! |
| 196 |
DO 420 i = 1, klon |
| 197 |
IF (llflag(i)) THEN |
| 198 |
IF (k.LT.kcbot(i)) THEN |
| 199 |
zmftest = pmfu(i,k+1)+pen_u(i,k)-pde_u(i,k) |
| 200 |
zmfmax = MIN(zmftest,(paph(i,k)-paph(i,k-1))/(RG*pdtime)) |
| 201 |
pen_u(i,k)=MAX(pen_u(i,k)-MAX(0.0,zmftest-zmfmax),0.0) |
| 202 |
ENDIF |
| 203 |
pde_u(i,k)=MIN(pde_u(i,k),0.75*pmfu(i,k+1)) |
| 204 |
! calculer le flux de masse du niveau k a partir de celui du k+1 |
| 205 |
pmfu(i,k)=pmfu(i,k+1)+pen_u(i,k)-pde_u(i,k) |
| 206 |
! calculer les valeurs Su, Qu et l du niveau k dans le panache montant |
| 207 |
zqeen=pqenh(i,k+1)*pen_u(i,k) |
| 208 |
zseen=(RCPD*ptenh(i,k+1)+pgeoh(i,k+1))*pen_u(i,k) |
| 209 |
zscde=(RCPD*ptu(i,k+1)+pgeoh(i,k+1))*pde_u(i,k) |
| 210 |
zqude=pqu(i,k+1)*pde_u(i,k) |
| 211 |
plude(i,k)=plu(i,k+1)*pde_u(i,k) |
| 212 |
zmfusk=pmfus(i,k+1)+zseen-zscde |
| 213 |
zmfuqk=pmfuq(i,k+1)+zqeen-zqude |
| 214 |
zmfulk=pmful(i,k+1) -plude(i,k) |
| 215 |
plu(i,k)=zmfulk*(1./MAX(CMFCMIN,pmfu(i,k))) |
| 216 |
pqu(i,k)=zmfuqk*(1./MAX(CMFCMIN,pmfu(i,k))) |
| 217 |
ptu(i,k)=(zmfusk*(1./MAX(CMFCMIN,pmfu(i,k)))- & |
| 218 |
pgeoh(i,k))/RCPD |
| 219 |
ptu(i,k)=MAX(100.,ptu(i,k)) |
| 220 |
ptu(i,k)=MIN(400.,ptu(i,k)) |
| 221 |
zqold(i)=pqu(i,k) |
| 222 |
ELSE |
| 223 |
zqold(i)=0.0 |
| 224 |
ENDIF |
| 225 |
420 CONTINUE |
| 226 |
! |
| 227 |
!---------------------------------------------------------------------- |
| 228 |
! DO CORRECTIONS FOR MOIST ASCENT BY ADJUSTING T,Q AND L |
| 229 |
!---------------------------------------------------------------------- |
| 230 |
! |
| 231 |
icall = 1 |
| 232 |
CALL flxadjtq(paph(1,k), ptu(1,k), pqu(1,k), llflag, icall) |
| 233 |
! |
| 234 |
DO 440 i = 1, klon |
| 235 |
IF(llflag(i).AND.pqu(i,k).NE.zqold(i)) THEN |
| 236 |
klab(i,k) = 2 |
| 237 |
plu(i,k) = plu(i,k)+zqold(i)-pqu(i,k) |
| 238 |
zbuo = ptu(i,k)*(1.+RETV*pqu(i,k))- & |
| 239 |
ptenh(i,k)*(1.+RETV*pqenh(i,k)) |
| 240 |
IF (klab(i,k+1).EQ.1) zbuo=zbuo+0.5 |
| 241 |
IF (zbuo.GT.0..AND.pmfu(i,k).GE.0.1*pmfub(i)) THEN |
| 242 |
kctop(i) = k |
| 243 |
ldcum(i) = .TRUE. |
| 244 |
zdnoprc = 1.5E4 |
| 245 |
IF (ldland(i)) zdnoprc = zdland(i) |
| 246 |
zprcon = CPRCON |
| 247 |
IF ((zpbot(i)-paph(i,k)).LT.zdnoprc) zprcon = 0.0 |
| 248 |
zlnew=plu(i,k)/(1.+zprcon*(pgeoh(i,k)-pgeoh(i,k+1))) |
| 249 |
pdmfup(i,k)=MAX(0.,(plu(i,k)-zlnew)*pmfu(i,k)) |
| 250 |
plu(i,k)=zlnew |
| 251 |
ELSE |
| 252 |
klab(i,k)=0 |
| 253 |
pmfu(i,k)=0. |
| 254 |
ENDIF |
| 255 |
ENDIF |
| 256 |
440 CONTINUE |
| 257 |
DO 455 i = 1, klon |
| 258 |
IF (llflag(i)) THEN |
| 259 |
pmful(i,k)=plu(i,k)*pmfu(i,k) |
| 260 |
pmfus(i,k)=(RCPD*ptu(i,k)+pgeoh(i,k))*pmfu(i,k) |
| 261 |
pmfuq(i,k)=pqu(i,k)*pmfu(i,k) |
| 262 |
ENDIF |
| 263 |
455 CONTINUE |
| 264 |
! |
| 265 |
480 CONTINUE |
| 266 |
!---------------------------------------------------------------------- |
| 267 |
! DETERMINE CONVECTIVE FLUXES ABOVE NON-BUOYANCY LEVEL |
| 268 |
! (NOTE: CLOUD VARIABLES LIKE T,Q AND L ARE NOT |
| 269 |
! AFFECTED BY DETRAINMENT AND ARE ALREADY KNOWN |
| 270 |
! FROM PREVIOUS CALCULATIONS ABOVE) |
| 271 |
!---------------------------------------------------------------------- |
| 272 |
DO i = 1, klon |
| 273 |
IF (kctop(i).EQ.klev-1) ldcum(i) = .FALSE. |
| 274 |
kcbot(i) = MAX(kcbot(i),kctop(i)) |
| 275 |
ENDDO |
| 276 |
! |
| 277 |
ldcum(1)=ldcum(1) |
| 278 |
! |
| 279 |
is = 0 |
| 280 |
DO i = 1, klon |
| 281 |
if (ldcum(i)) is = is + 1 |
| 282 |
ENDDO |
| 283 |
kcum = is |
| 284 |
IF (is.EQ.0) GOTO 800 |
| 285 |
! |
| 286 |
DO 530 i = 1, klon |
| 287 |
IF (ldcum(i)) THEN |
| 288 |
k=kctop(i)-1 |
| 289 |
pde_u(i,k)=(1.-CMFCTOP)*pmfu(i,k+1) |
| 290 |
plude(i,k)=pde_u(i,k)*plu(i,k+1) |
| 291 |
pmfu(i,k)=pmfu(i,k+1)-pde_u(i,k) |
| 292 |
zlnew=plu(i,k) |
| 293 |
pdmfup(i,k)=MAX(0.,(plu(i,k)-zlnew)*pmfu(i,k)) |
| 294 |
plu(i,k)=zlnew |
| 295 |
pmfus(i,k)=(RCPD*ptu(i,k)+pgeoh(i,k))*pmfu(i,k) |
| 296 |
pmfuq(i,k)=pqu(i,k)*pmfu(i,k) |
| 297 |
pmful(i,k)=plu(i,k)*pmfu(i,k) |
| 298 |
plude(i,k-1)=pmful(i,k) |
| 299 |
ENDIF |
| 300 |
530 CONTINUE |
| 301 |
! |
| 302 |
800 CONTINUE |
| 303 |
RETURN |
| 304 |
END |
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