| 1 |
SUBROUTINE clqh(dtime,itime, date0,jour,debut,lafin, & |
| 2 |
rlon, rlat, cufi, cvfi, & |
| 3 |
knon, nisurf, knindex, pctsrf, & |
| 4 |
soil_model,tsoil,qsol, & |
| 5 |
ok_veget, ocean, npas, nexca, & |
| 6 |
rmu0, co2_ppm, rugos, rugoro, & |
| 7 |
u1lay,v1lay,coef, & |
| 8 |
t,q,ts,paprs,pplay, & |
| 9 |
delp,radsol,albedo,alblw,snow,qsurf, & |
| 10 |
precip_rain, precip_snow, fder, taux, tauy, ywindsp, & |
| 11 |
sollw, sollwdown, swnet,fluxlat, & |
| 12 |
pctsrf_new, agesno, & |
| 13 |
d_t, d_q, d_ts, z0_new, & |
| 14 |
flux_t, flux_q,dflux_s,dflux_l, & |
| 15 |
fqcalving,ffonte,run_off_lic_0, & |
| 16 |
flux_o,flux_g,tslab,seaice) |
| 17 |
|
| 18 |
use conf_phys_m |
| 19 |
use dimens_m |
| 20 |
use dimphy |
| 21 |
use dimsoil |
| 22 |
use fcttre |
| 23 |
use indicesol |
| 24 |
USE interface_surf |
| 25 |
use iniprint |
| 26 |
use suphec_m, only: rcpd, rd, rg, rkappa |
| 27 |
use YOMCST |
| 28 |
use yoethf |
| 29 |
|
| 30 |
IMPLICIT none |
| 31 |
|
| 32 |
! Auteur(s): Z.X. Li (LMD/CNRS) date: 19930818 |
| 33 |
! Objet: diffusion verticale de "q" et de "h" |
| 34 |
|
| 35 |
! Arguments: |
| 36 |
INTEGER knon |
| 37 |
REAL, intent(in):: dtime ! intervalle du temps (s) |
| 38 |
real date0 |
| 39 |
REAL u1lay(klon) ! vitesse u de la 1ere couche (m/s) |
| 40 |
REAL v1lay(klon) ! vitesse v de la 1ere couche (m/s) |
| 41 |
REAL coef(klon,klev) ! le coefficient d'echange (m**2/s) |
| 42 |
! multiplie par le cisaillement du |
| 43 |
! vent (dV/dz); la premiere valeur |
| 44 |
! indique la valeur de Cdrag (sans unite) |
| 45 |
REAL t(klon,klev) ! temperature (K) |
| 46 |
REAL q(klon,klev) ! humidite specifique (kg/kg) |
| 47 |
REAL ts(klon) ! temperature du sol (K) |
| 48 |
REAL evap(klon) ! evaporation au sol |
| 49 |
REAL paprs(klon,klev+1) ! pression a inter-couche (Pa) |
| 50 |
REAL pplay(klon,klev) ! pression au milieu de couche (Pa) |
| 51 |
REAL delp(klon,klev) ! epaisseur de couche en pression (Pa) |
| 52 |
REAL radsol(klon) ! ray. net au sol (Solaire+IR) W/m2 |
| 53 |
REAL albedo(klon) ! albedo de la surface |
| 54 |
REAL alblw(klon) |
| 55 |
REAL snow(klon) ! hauteur de neige |
| 56 |
REAL qsurf(klon) ! humidite de l'air au dessus de la surface |
| 57 |
real precip_rain(klon), precip_snow(klon) |
| 58 |
REAL agesno(klon) |
| 59 |
REAL rugoro(klon) |
| 60 |
REAL run_off_lic_0(klon)! runof glacier au pas de temps precedent |
| 61 |
integer jour ! jour de l'annee en cours |
| 62 |
real rmu0(klon) ! cosinus de l'angle solaire zenithal |
| 63 |
real rugos(klon) ! rugosite |
| 64 |
integer knindex(klon) |
| 65 |
real pctsrf(klon,nbsrf) |
| 66 |
real, intent(in):: rlon(klon), rlat(klon) |
| 67 |
real cufi(klon), cvfi(klon) |
| 68 |
logical ok_veget |
| 69 |
REAL co2_ppm ! taux CO2 atmosphere |
| 70 |
character(len=*), intent(in):: ocean |
| 71 |
integer npas, nexca |
| 72 |
! -- LOOP |
| 73 |
REAL yu10mx(klon) |
| 74 |
REAL yu10my(klon) |
| 75 |
REAL ywindsp(klon) |
| 76 |
! -- LOOP |
| 77 |
|
| 78 |
|
| 79 |
! |
| 80 |
REAL d_t(klon,klev) ! incrementation de "t" |
| 81 |
REAL d_q(klon,klev) ! incrementation de "q" |
| 82 |
REAL d_ts(klon) ! incrementation de "ts" |
| 83 |
REAL flux_t(klon,klev) ! (diagnostic) flux de la chaleur |
| 84 |
! sensible, flux de Cp*T, positif vers |
| 85 |
! le bas: j/(m**2 s) c.a.d.: W/m2 |
| 86 |
REAL flux_q(klon,klev) ! flux de la vapeur d'eau:kg/(m**2 s) |
| 87 |
REAL dflux_s(klon) ! derivee du flux sensible dF/dTs |
| 88 |
REAL dflux_l(klon) ! derivee du flux latent dF/dTs |
| 89 |
!IM cf JLD |
| 90 |
! Flux thermique utiliser pour fondre la neige |
| 91 |
REAL ffonte(klon) |
| 92 |
! Flux d'eau "perdue" par la surface et nécessaire pour que limiter la |
| 93 |
! hauteur de neige, en kg/m2/s |
| 94 |
REAL fqcalving(klon) |
| 95 |
!IM "slab" ocean |
| 96 |
REAL tslab(klon) !temperature du slab ocean (K) (OCEAN='slab ') |
| 97 |
REAL seaice(klon) ! glace de mer en kg/m2 |
| 98 |
REAL flux_o(klon) ! flux entre l'ocean et l'atmosphere W/m2 |
| 99 |
REAL flux_g(klon) ! flux entre l'ocean et la glace de mer W/m2 |
| 100 |
! |
| 101 |
!====================================================================== |
| 102 |
REAL t_grnd ! temperature de rappel pour glace de mer |
| 103 |
PARAMETER (t_grnd=271.35) |
| 104 |
REAL t_coup |
| 105 |
PARAMETER(t_coup=273.15) |
| 106 |
!====================================================================== |
| 107 |
INTEGER i, k |
| 108 |
REAL zx_cq(klon,klev) |
| 109 |
REAL zx_dq(klon,klev) |
| 110 |
REAL zx_ch(klon,klev) |
| 111 |
REAL zx_dh(klon,klev) |
| 112 |
REAL zx_buf1(klon) |
| 113 |
REAL zx_buf2(klon) |
| 114 |
REAL zx_coef(klon,klev) |
| 115 |
REAL local_h(klon,klev) ! enthalpie potentielle |
| 116 |
REAL local_q(klon,klev) |
| 117 |
REAL local_ts(klon) |
| 118 |
REAL psref(klon) ! pression de reference pour temperature potent. |
| 119 |
REAL zx_pkh(klon,klev), zx_pkf(klon,klev) |
| 120 |
!====================================================================== |
| 121 |
! contre-gradient pour la vapeur d'eau: (kg/kg)/metre |
| 122 |
REAL gamq(klon,2:klev) |
| 123 |
! contre-gradient pour la chaleur sensible: Kelvin/metre |
| 124 |
REAL gamt(klon,2:klev) |
| 125 |
REAL z_gamaq(klon,2:klev), z_gamah(klon,2:klev) |
| 126 |
REAL zdelz |
| 127 |
!====================================================================== |
| 128 |
!====================================================================== |
| 129 |
! Rajout pour l'interface |
| 130 |
integer, intent(in):: itime |
| 131 |
integer nisurf |
| 132 |
logical, intent(in):: debut |
| 133 |
logical, intent(in):: lafin |
| 134 |
real zlev1(klon) |
| 135 |
real fder(klon), taux(klon), tauy(klon) |
| 136 |
real temp_air(klon), spechum(klon) |
| 137 |
real epot_air(klon), ccanopy(klon) |
| 138 |
real tq_cdrag(klon), petAcoef(klon), peqAcoef(klon) |
| 139 |
real petBcoef(klon), peqBcoef(klon) |
| 140 |
real sollw(klon), sollwdown(klon), swnet(klon), swdown(klon) |
| 141 |
real p1lay(klon) |
| 142 |
!$$$C PB ajout pour soil |
| 143 |
LOGICAL, intent(in):: soil_model |
| 144 |
REAL tsoil(klon, nsoilmx) |
| 145 |
REAL qsol(klon) |
| 146 |
|
| 147 |
! Parametres de sortie |
| 148 |
real fluxsens(klon), fluxlat(klon) |
| 149 |
real tsol_rad(klon), tsurf_new(klon), alb_new(klon) |
| 150 |
real emis_new(klon), z0_new(klon) |
| 151 |
real pctsrf_new(klon,nbsrf) |
| 152 |
! JLD |
| 153 |
real zzpk |
| 154 |
! |
| 155 |
character (len = 20) :: modname = 'Debut clqh' |
| 156 |
LOGICAL check |
| 157 |
PARAMETER (check=.false.) |
| 158 |
! |
| 159 |
if (check) THEN |
| 160 |
write(*,*) modname,' nisurf=',nisurf |
| 161 |
!C call flush(6) |
| 162 |
endif |
| 163 |
! |
| 164 |
if (check) THEN |
| 165 |
WRITE(*,*)' qsurf (min, max)' & |
| 166 |
, minval(qsurf(1:knon)), maxval(qsurf(1:knon)) |
| 167 |
!C call flush(6) |
| 168 |
ENDIF |
| 169 |
! |
| 170 |
! |
| 171 |
if (iflag_pbl.eq.1) then |
| 172 |
do k = 3, klev |
| 173 |
do i = 1, knon |
| 174 |
gamq(i,k)= 0.0 |
| 175 |
gamt(i,k)= -1.0e-03 |
| 176 |
enddo |
| 177 |
enddo |
| 178 |
do i = 1, knon |
| 179 |
gamq(i,2) = 0.0 |
| 180 |
gamt(i,2) = -2.5e-03 |
| 181 |
enddo |
| 182 |
else |
| 183 |
do k = 2, klev |
| 184 |
do i = 1, knon |
| 185 |
gamq(i,k) = 0.0 |
| 186 |
gamt(i,k) = 0.0 |
| 187 |
enddo |
| 188 |
enddo |
| 189 |
endif |
| 190 |
|
| 191 |
DO i = 1, knon |
| 192 |
psref(i) = paprs(i,1) !pression de reference est celle au sol |
| 193 |
local_ts(i) = ts(i) |
| 194 |
ENDDO |
| 195 |
DO k = 1, klev |
| 196 |
DO i = 1, knon |
| 197 |
zx_pkh(i,k) = (psref(i)/paprs(i,k))**RKAPPA |
| 198 |
zx_pkf(i,k) = (psref(i)/pplay(i,k))**RKAPPA |
| 199 |
local_h(i,k) = RCPD * t(i,k) * zx_pkf(i,k) |
| 200 |
local_q(i,k) = q(i,k) |
| 201 |
ENDDO |
| 202 |
ENDDO |
| 203 |
! |
| 204 |
! Convertir les coefficients en variables convenables au calcul: |
| 205 |
! |
| 206 |
! |
| 207 |
DO k = 2, klev |
| 208 |
DO i = 1, knon |
| 209 |
zx_coef(i,k) = coef(i,k)*RG/(pplay(i,k-1)-pplay(i,k)) & |
| 210 |
*(paprs(i,k)*2/(t(i,k)+t(i,k-1))/RD)**2 |
| 211 |
zx_coef(i,k) = zx_coef(i,k) * dtime*RG |
| 212 |
ENDDO |
| 213 |
ENDDO |
| 214 |
! |
| 215 |
! Preparer les flux lies aux contre-gardients |
| 216 |
! |
| 217 |
DO k = 2, klev |
| 218 |
DO i = 1, knon |
| 219 |
zdelz = RD * (t(i,k-1)+t(i,k))/2.0 / RG /paprs(i,k) & |
| 220 |
*(pplay(i,k-1)-pplay(i,k)) |
| 221 |
z_gamaq(i,k) = gamq(i,k) * zdelz |
| 222 |
z_gamah(i,k) = gamt(i,k) * zdelz *RCPD * zx_pkh(i,k) |
| 223 |
ENDDO |
| 224 |
ENDDO |
| 225 |
DO i = 1, knon |
| 226 |
zx_buf1(i) = zx_coef(i,klev) + delp(i,klev) |
| 227 |
zx_cq(i,klev) = (local_q(i,klev)*delp(i,klev) & |
| 228 |
-zx_coef(i,klev)*z_gamaq(i,klev))/zx_buf1(i) |
| 229 |
zx_dq(i,klev) = zx_coef(i,klev) / zx_buf1(i) |
| 230 |
! |
| 231 |
zzpk=(pplay(i,klev)/psref(i))**RKAPPA |
| 232 |
zx_buf2(i) = zzpk*delp(i,klev) + zx_coef(i,klev) |
| 233 |
zx_ch(i,klev) = (local_h(i,klev)*zzpk*delp(i,klev) & |
| 234 |
-zx_coef(i,klev)*z_gamah(i,klev))/zx_buf2(i) |
| 235 |
zx_dh(i,klev) = zx_coef(i,klev) / zx_buf2(i) |
| 236 |
ENDDO |
| 237 |
DO k = klev-1, 2 , -1 |
| 238 |
DO i = 1, knon |
| 239 |
zx_buf1(i) = delp(i,k)+zx_coef(i,k) & |
| 240 |
+zx_coef(i,k+1)*(1.-zx_dq(i,k+1)) |
| 241 |
zx_cq(i,k) = (local_q(i,k)*delp(i,k) & |
| 242 |
+zx_coef(i,k+1)*zx_cq(i,k+1) & |
| 243 |
+zx_coef(i,k+1)*z_gamaq(i,k+1) & |
| 244 |
-zx_coef(i,k)*z_gamaq(i,k))/zx_buf1(i) |
| 245 |
zx_dq(i,k) = zx_coef(i,k) / zx_buf1(i) |
| 246 |
! |
| 247 |
zzpk=(pplay(i,k)/psref(i))**RKAPPA |
| 248 |
zx_buf2(i) = zzpk*delp(i,k)+zx_coef(i,k) & |
| 249 |
+zx_coef(i,k+1)*(1.-zx_dh(i,k+1)) |
| 250 |
zx_ch(i,k) = (local_h(i,k)*zzpk*delp(i,k) & |
| 251 |
+zx_coef(i,k+1)*zx_ch(i,k+1) & |
| 252 |
+zx_coef(i,k+1)*z_gamah(i,k+1) & |
| 253 |
-zx_coef(i,k)*z_gamah(i,k))/zx_buf2(i) |
| 254 |
zx_dh(i,k) = zx_coef(i,k) / zx_buf2(i) |
| 255 |
ENDDO |
| 256 |
ENDDO |
| 257 |
! |
| 258 |
! nouvelle formulation JL Dufresne |
| 259 |
! |
| 260 |
! q1 = zx_cq(i,1) + zx_dq(i,1) * Flux_Q(i,1) * dt |
| 261 |
! h1 = zx_ch(i,1) + zx_dh(i,1) * Flux_H(i,1) * dt |
| 262 |
! |
| 263 |
DO i = 1, knon |
| 264 |
zx_buf1(i) = delp(i,1) + zx_coef(i,2)*(1.-zx_dq(i,2)) |
| 265 |
zx_cq(i,1) = (local_q(i,1)*delp(i,1) & |
| 266 |
+zx_coef(i,2)*(z_gamaq(i,2)+zx_cq(i,2))) & |
| 267 |
/zx_buf1(i) |
| 268 |
zx_dq(i,1) = -1. * RG / zx_buf1(i) |
| 269 |
! |
| 270 |
zzpk=(pplay(i,1)/psref(i))**RKAPPA |
| 271 |
zx_buf2(i) = zzpk*delp(i,1) + zx_coef(i,2)*(1.-zx_dh(i,2)) |
| 272 |
zx_ch(i,1) = (local_h(i,1)*zzpk*delp(i,1) & |
| 273 |
+zx_coef(i,2)*(z_gamah(i,2)+zx_ch(i,2))) & |
| 274 |
/zx_buf2(i) |
| 275 |
zx_dh(i,1) = -1. * RG / zx_buf2(i) |
| 276 |
ENDDO |
| 277 |
|
| 278 |
! Appel a interfsurf (appel generique) routine d'interface avec la surface |
| 279 |
|
| 280 |
! initialisation |
| 281 |
petAcoef =0. |
| 282 |
peqAcoef = 0. |
| 283 |
petBcoef =0. |
| 284 |
peqBcoef = 0. |
| 285 |
p1lay =0. |
| 286 |
|
| 287 |
! do i = 1, knon |
| 288 |
petAcoef(1:knon) = zx_ch(1:knon,1) |
| 289 |
peqAcoef(1:knon) = zx_cq(1:knon,1) |
| 290 |
petBcoef(1:knon) = zx_dh(1:knon,1) |
| 291 |
peqBcoef(1:knon) = zx_dq(1:knon,1) |
| 292 |
tq_cdrag(1:knon) =coef(1:knon,1) |
| 293 |
temp_air(1:knon) =t(1:knon,1) |
| 294 |
epot_air(1:knon) =local_h(1:knon,1) |
| 295 |
spechum(1:knon)=q(1:knon,1) |
| 296 |
p1lay(1:knon) = pplay(1:knon,1) |
| 297 |
zlev1(1:knon) = delp(1:knon,1) |
| 298 |
! swnet = swdown * (1. - albedo) |
| 299 |
! |
| 300 |
!IM swdown=flux SW incident sur terres |
| 301 |
!IM swdown=flux SW net sur les autres surfaces |
| 302 |
!IM swdown(1:knon) = swnet(1:knon) |
| 303 |
if(nisurf.eq.is_ter) THEN |
| 304 |
swdown(1:knon) = swnet(1:knon)/(1-albedo(1:knon)) |
| 305 |
else |
| 306 |
swdown(1:knon) = swnet(1:knon) |
| 307 |
endif |
| 308 |
! enddo |
| 309 |
ccanopy = co2_ppm |
| 310 |
|
| 311 |
CALL interfsurf_hq(itime, dtime, date0, jour, rmu0, & |
| 312 |
klon, iim, jjm, nisurf, knon, knindex, pctsrf, & |
| 313 |
rlon, rlat, cufi, cvfi, & |
| 314 |
debut, lafin, ok_veget, soil_model, nsoilmx,tsoil, qsol, & |
| 315 |
zlev1, u1lay, v1lay, temp_air, spechum, epot_air, ccanopy, & |
| 316 |
tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, & |
| 317 |
precip_rain, precip_snow, sollw, sollwdown, swnet, swdown, & |
| 318 |
fder, taux, tauy, & |
| 319 |
ywindsp, rugos, rugoro, & |
| 320 |
albedo, snow, qsurf, & |
| 321 |
ts, p1lay, psref, radsol, & |
| 322 |
ocean, npas, nexca, zmasq, & |
| 323 |
evap, fluxsens, fluxlat, dflux_l, dflux_s, & |
| 324 |
tsol_rad, tsurf_new, alb_new, alblw, emis_new, z0_new, & |
| 325 |
pctsrf_new, agesno,fqcalving,ffonte, run_off_lic_0, & |
| 326 |
flux_o, flux_g, tslab, seaice) |
| 327 |
|
| 328 |
|
| 329 |
do i = 1, knon |
| 330 |
flux_t(i,1) = fluxsens(i) |
| 331 |
flux_q(i,1) = - evap(i) |
| 332 |
d_ts(i) = tsurf_new(i) - ts(i) |
| 333 |
albedo(i) = alb_new(i) |
| 334 |
enddo |
| 335 |
|
| 336 |
!==== une fois on a zx_h_ts, on peut faire l'iteration ======== |
| 337 |
DO i = 1, knon |
| 338 |
local_h(i,1) = zx_ch(i,1) + zx_dh(i,1)*flux_t(i,1)*dtime |
| 339 |
local_q(i,1) = zx_cq(i,1) + zx_dq(i,1)*flux_q(i,1)*dtime |
| 340 |
ENDDO |
| 341 |
DO k = 2, klev |
| 342 |
DO i = 1, knon |
| 343 |
local_q(i,k) = zx_cq(i,k) + zx_dq(i,k)*local_q(i,k-1) |
| 344 |
local_h(i,k) = zx_ch(i,k) + zx_dh(i,k)*local_h(i,k-1) |
| 345 |
ENDDO |
| 346 |
ENDDO |
| 347 |
!====================================================================== |
| 348 |
!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas |
| 349 |
!== flux_t est le flux de cpt (energie sensible): j/(m**2 s) |
| 350 |
DO k = 2, klev |
| 351 |
DO i = 1, knon |
| 352 |
flux_q(i,k) = (zx_coef(i,k)/RG/dtime) & |
| 353 |
* (local_q(i,k)-local_q(i,k-1)+z_gamaq(i,k)) |
| 354 |
flux_t(i,k) = (zx_coef(i,k)/RG/dtime) & |
| 355 |
* (local_h(i,k)-local_h(i,k-1)+z_gamah(i,k)) & |
| 356 |
/ zx_pkh(i,k) |
| 357 |
ENDDO |
| 358 |
ENDDO |
| 359 |
!====================================================================== |
| 360 |
! Calcul tendances |
| 361 |
DO k = 1, klev |
| 362 |
DO i = 1, knon |
| 363 |
d_t(i,k) = local_h(i,k)/zx_pkf(i,k)/RCPD - t(i,k) |
| 364 |
d_q(i,k) = local_q(i,k) - q(i,k) |
| 365 |
ENDDO |
| 366 |
ENDDO |
| 367 |
|
| 368 |
END SUBROUTINE clqh |
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