| 1 |
module clqh_m |
| 2 |
|
| 3 |
IMPLICIT none |
| 4 |
|
| 5 |
contains |
| 6 |
|
| 7 |
SUBROUTINE clqh(dtime, itime, jour, debut, rlat, knon, nisurf, knindex, & |
| 8 |
pctsrf, soil_model, tsoil, qsol, ok_veget, ocean, rmu0, co2_ppm, & |
| 9 |
rugos, rugoro, u1lay, v1lay, coef, t, q, ts, paprs, pplay, delp, & |
| 10 |
radsol, albedo, alblw, snow, qsurf, precip_rain, precip_snow, fder, & |
| 11 |
swnet, fluxlat, pctsrf_new, agesno, d_t, d_q, d_ts, z0_new, flux_t, & |
| 12 |
flux_q, dflux_s, dflux_l, fqcalving, ffonte, run_off_lic_0, flux_o, & |
| 13 |
flux_g, tslab, seaice) |
| 14 |
|
| 15 |
! Author: Z. X. Li (LMD/CNRS) |
| 16 |
! Date: 1993/08/18 |
| 17 |
! Objet : diffusion verticale de "q" et de "h" |
| 18 |
|
| 19 |
USE conf_phys_m, ONLY : iflag_pbl |
| 20 |
USE dimens_m, ONLY : iim, jjm |
| 21 |
USE dimphy, ONLY : klev, klon, zmasq |
| 22 |
USE dimsoil, ONLY : nsoilmx |
| 23 |
USE indicesol, ONLY : is_ter, nbsrf |
| 24 |
USE interfsurf_hq_m, ONLY : interfsurf_hq |
| 25 |
USE suphec_m, ONLY : rcpd, rd, rg, rkappa |
| 26 |
|
| 27 |
! Arguments: |
| 28 |
INTEGER, intent(in):: knon |
| 29 |
REAL, intent(in):: dtime ! intervalle du temps (s) |
| 30 |
REAL u1lay(klon) ! vitesse u de la 1ere couche (m/s) |
| 31 |
REAL v1lay(klon) ! vitesse v de la 1ere couche (m/s) |
| 32 |
|
| 33 |
REAL, intent(in):: coef(:, :) ! (knon, klev) |
| 34 |
! Le coefficient d'echange (m**2/s) multiplie par le cisaillement |
| 35 |
! du vent (dV/dz). La premiere valeur indique la valeur de Cdrag |
| 36 |
! (sans unite). |
| 37 |
|
| 38 |
REAL t(klon, klev) ! temperature (K) |
| 39 |
REAL q(klon, klev) ! humidite specifique (kg/kg) |
| 40 |
REAL ts(klon) ! temperature du sol (K) |
| 41 |
REAL evap(klon) ! evaporation au sol |
| 42 |
REAL paprs(klon, klev+1) ! pression a inter-couche (Pa) |
| 43 |
REAL pplay(klon, klev) ! pression au milieu de couche (Pa) |
| 44 |
REAL delp(klon, klev) ! epaisseur de couche en pression (Pa) |
| 45 |
REAL radsol(klon) ! ray. net au sol (Solaire+IR) W/m2 |
| 46 |
REAL albedo(klon) ! albedo de la surface |
| 47 |
REAL alblw(klon) |
| 48 |
REAL snow(klon) ! hauteur de neige |
| 49 |
REAL qsurf(klon) ! humidite de l'air au dessus de la surface |
| 50 |
real precip_rain(klon), precip_snow(klon) |
| 51 |
REAL agesno(klon) |
| 52 |
REAL rugoro(klon) |
| 53 |
REAL run_off_lic_0(klon)! runof glacier au pas de temps precedent |
| 54 |
integer, intent(in):: jour ! jour de l'annee en cours |
| 55 |
real, intent(in):: rmu0(klon) ! cosinus de l'angle solaire zenithal |
| 56 |
real rugos(klon) ! rugosite |
| 57 |
integer knindex(klon) |
| 58 |
real, intent(in):: pctsrf(klon, nbsrf) |
| 59 |
real, intent(in):: rlat(klon) |
| 60 |
logical ok_veget |
| 61 |
REAL co2_ppm ! taux CO2 atmosphere |
| 62 |
character(len=*), intent(in):: ocean |
| 63 |
|
| 64 |
REAL d_t(klon, klev) ! incrementation de "t" |
| 65 |
REAL d_q(klon, klev) ! incrementation de "q" |
| 66 |
REAL d_ts(klon) ! incrementation de "ts" |
| 67 |
REAL flux_t(klon, klev) ! (diagnostic) flux de la chaleur |
| 68 |
! sensible, flux de Cp*T, positif vers |
| 69 |
! le bas: j/(m**2 s) c.a.d.: W/m2 |
| 70 |
REAL flux_q(klon, klev) ! flux de la vapeur d'eau:kg/(m**2 s) |
| 71 |
REAL dflux_s(klon) ! derivee du flux sensible dF/dTs |
| 72 |
REAL dflux_l(klon) ! derivee du flux latent dF/dTs |
| 73 |
!IM cf JLD |
| 74 |
! Flux thermique utiliser pour fondre la neige |
| 75 |
REAL ffonte(klon) |
| 76 |
! Flux d'eau "perdue" par la surface et nécessaire pour que limiter la |
| 77 |
! hauteur de neige, en kg/m2/s |
| 78 |
REAL fqcalving(klon) |
| 79 |
!IM "slab" ocean |
| 80 |
REAL tslab(klon) !temperature du slab ocean (K) (OCEAN='slab ') |
| 81 |
REAL seaice(klon) ! glace de mer en kg/m2 |
| 82 |
REAL flux_o(klon) ! flux entre l'ocean et l'atmosphere W/m2 |
| 83 |
REAL flux_g(klon) ! flux entre l'ocean et la glace de mer W/m2 |
| 84 |
|
| 85 |
INTEGER i, k |
| 86 |
REAL zx_cq(klon, klev) |
| 87 |
REAL zx_dq(klon, klev) |
| 88 |
REAL zx_ch(klon, klev) |
| 89 |
REAL zx_dh(klon, klev) |
| 90 |
REAL zx_buf1(klon) |
| 91 |
REAL zx_buf2(klon) |
| 92 |
REAL zx_coef(klon, klev) |
| 93 |
REAL local_h(klon, klev) ! enthalpie potentielle |
| 94 |
REAL local_q(klon, klev) |
| 95 |
REAL local_ts(klon) |
| 96 |
REAL psref(klon) ! pression de reference pour temperature potent. |
| 97 |
REAL zx_pkh(klon, klev), zx_pkf(klon, klev) |
| 98 |
|
| 99 |
! contre-gradient pour la vapeur d'eau: (kg/kg)/metre |
| 100 |
REAL gamq(klon, 2:klev) |
| 101 |
! contre-gradient pour la chaleur sensible: Kelvin/metre |
| 102 |
REAL gamt(klon, 2:klev) |
| 103 |
REAL z_gamaq(klon, 2:klev), z_gamah(klon, 2:klev) |
| 104 |
REAL zdelz |
| 105 |
|
| 106 |
! Rajout pour l'interface |
| 107 |
integer, intent(in):: itime |
| 108 |
integer nisurf |
| 109 |
logical, intent(in):: debut |
| 110 |
real zlev1(klon) |
| 111 |
real fder(klon) |
| 112 |
real temp_air(klon), spechum(klon) |
| 113 |
real epot_air(klon), ccanopy(klon) |
| 114 |
real tq_cdrag(klon), petAcoef(klon), peqAcoef(klon) |
| 115 |
real petBcoef(klon), peqBcoef(klon) |
| 116 |
real swnet(klon), swdown(klon) |
| 117 |
real p1lay(klon) |
| 118 |
!$$$C PB ajout pour soil |
| 119 |
LOGICAL, intent(in):: soil_model |
| 120 |
REAL tsoil(klon, nsoilmx) |
| 121 |
REAL qsol(klon) |
| 122 |
|
| 123 |
! Parametres de sortie |
| 124 |
real fluxsens(klon), fluxlat(klon) |
| 125 |
real tsurf_new(klon), alb_new(klon) |
| 126 |
real z0_new(klon) |
| 127 |
real pctsrf_new(klon, nbsrf) |
| 128 |
! JLD |
| 129 |
real zzpk |
| 130 |
|
| 131 |
character (len = 20) :: modname = 'Debut clqh' |
| 132 |
LOGICAL check |
| 133 |
PARAMETER (check=.false.) |
| 134 |
|
| 135 |
!---------------------------------------------------------------- |
| 136 |
|
| 137 |
if (check) THEN |
| 138 |
write(*, *) modname, ' nisurf=', nisurf |
| 139 |
!C call flush(6) |
| 140 |
endif |
| 141 |
|
| 142 |
if (check) THEN |
| 143 |
WRITE(*, *)' qsurf (min, max)' & |
| 144 |
, minval(qsurf(1:knon)), maxval(qsurf(1:knon)) |
| 145 |
!C call flush(6) |
| 146 |
ENDIF |
| 147 |
|
| 148 |
if (iflag_pbl.eq.1) then |
| 149 |
do k = 3, klev |
| 150 |
do i = 1, knon |
| 151 |
gamq(i, k)= 0.0 |
| 152 |
gamt(i, k)= -1.0e-03 |
| 153 |
enddo |
| 154 |
enddo |
| 155 |
do i = 1, knon |
| 156 |
gamq(i, 2) = 0.0 |
| 157 |
gamt(i, 2) = -2.5e-03 |
| 158 |
enddo |
| 159 |
else |
| 160 |
do k = 2, klev |
| 161 |
do i = 1, knon |
| 162 |
gamq(i, k) = 0.0 |
| 163 |
gamt(i, k) = 0.0 |
| 164 |
enddo |
| 165 |
enddo |
| 166 |
endif |
| 167 |
|
| 168 |
DO i = 1, knon |
| 169 |
psref(i) = paprs(i, 1) !pression de reference est celle au sol |
| 170 |
local_ts(i) = ts(i) |
| 171 |
ENDDO |
| 172 |
DO k = 1, klev |
| 173 |
DO i = 1, knon |
| 174 |
zx_pkh(i, k) = (psref(i)/paprs(i, k))**RKAPPA |
| 175 |
zx_pkf(i, k) = (psref(i)/pplay(i, k))**RKAPPA |
| 176 |
local_h(i, k) = RCPD * t(i, k) * zx_pkf(i, k) |
| 177 |
local_q(i, k) = q(i, k) |
| 178 |
ENDDO |
| 179 |
ENDDO |
| 180 |
|
| 181 |
! Convertir les coefficients en variables convenables au calcul: |
| 182 |
|
| 183 |
DO k = 2, klev |
| 184 |
DO i = 1, knon |
| 185 |
zx_coef(i, k) = coef(i, k)*RG/(pplay(i, k-1)-pplay(i, k)) & |
| 186 |
*(paprs(i, k)*2/(t(i, k)+t(i, k-1))/RD)**2 |
| 187 |
zx_coef(i, k) = zx_coef(i, k) * dtime*RG |
| 188 |
ENDDO |
| 189 |
ENDDO |
| 190 |
|
| 191 |
! Preparer les flux lies aux contre-gardients |
| 192 |
|
| 193 |
DO k = 2, klev |
| 194 |
DO i = 1, knon |
| 195 |
zdelz = RD * (t(i, k-1)+t(i, k))/2.0 / RG /paprs(i, k) & |
| 196 |
*(pplay(i, k-1)-pplay(i, k)) |
| 197 |
z_gamaq(i, k) = gamq(i, k) * zdelz |
| 198 |
z_gamah(i, k) = gamt(i, k) * zdelz *RCPD * zx_pkh(i, k) |
| 199 |
ENDDO |
| 200 |
ENDDO |
| 201 |
DO i = 1, knon |
| 202 |
zx_buf1(i) = zx_coef(i, klev) + delp(i, klev) |
| 203 |
zx_cq(i, klev) = (local_q(i, klev)*delp(i, klev) & |
| 204 |
-zx_coef(i, klev)*z_gamaq(i, klev))/zx_buf1(i) |
| 205 |
zx_dq(i, klev) = zx_coef(i, klev) / zx_buf1(i) |
| 206 |
|
| 207 |
zzpk=(pplay(i, klev)/psref(i))**RKAPPA |
| 208 |
zx_buf2(i) = zzpk*delp(i, klev) + zx_coef(i, klev) |
| 209 |
zx_ch(i, klev) = (local_h(i, klev)*zzpk*delp(i, klev) & |
| 210 |
-zx_coef(i, klev)*z_gamah(i, klev))/zx_buf2(i) |
| 211 |
zx_dh(i, klev) = zx_coef(i, klev) / zx_buf2(i) |
| 212 |
ENDDO |
| 213 |
DO k = klev-1, 2 , -1 |
| 214 |
DO i = 1, knon |
| 215 |
zx_buf1(i) = delp(i, k)+zx_coef(i, k) & |
| 216 |
+zx_coef(i, k+1)*(1.-zx_dq(i, k+1)) |
| 217 |
zx_cq(i, k) = (local_q(i, k)*delp(i, k) & |
| 218 |
+zx_coef(i, k+1)*zx_cq(i, k+1) & |
| 219 |
+zx_coef(i, k+1)*z_gamaq(i, k+1) & |
| 220 |
-zx_coef(i, k)*z_gamaq(i, k))/zx_buf1(i) |
| 221 |
zx_dq(i, k) = zx_coef(i, k) / zx_buf1(i) |
| 222 |
|
| 223 |
zzpk=(pplay(i, k)/psref(i))**RKAPPA |
| 224 |
zx_buf2(i) = zzpk*delp(i, k)+zx_coef(i, k) & |
| 225 |
+zx_coef(i, k+1)*(1.-zx_dh(i, k+1)) |
| 226 |
zx_ch(i, k) = (local_h(i, k)*zzpk*delp(i, k) & |
| 227 |
+zx_coef(i, k+1)*zx_ch(i, k+1) & |
| 228 |
+zx_coef(i, k+1)*z_gamah(i, k+1) & |
| 229 |
-zx_coef(i, k)*z_gamah(i, k))/zx_buf2(i) |
| 230 |
zx_dh(i, k) = zx_coef(i, k) / zx_buf2(i) |
| 231 |
ENDDO |
| 232 |
ENDDO |
| 233 |
|
| 234 |
DO i = 1, knon |
| 235 |
zx_buf1(i) = delp(i, 1) + zx_coef(i, 2)*(1.-zx_dq(i, 2)) |
| 236 |
zx_cq(i, 1) = (local_q(i, 1)*delp(i, 1) & |
| 237 |
+zx_coef(i, 2)*(z_gamaq(i, 2)+zx_cq(i, 2))) & |
| 238 |
/zx_buf1(i) |
| 239 |
zx_dq(i, 1) = -1. * RG / zx_buf1(i) |
| 240 |
|
| 241 |
zzpk=(pplay(i, 1)/psref(i))**RKAPPA |
| 242 |
zx_buf2(i) = zzpk*delp(i, 1) + zx_coef(i, 2)*(1.-zx_dh(i, 2)) |
| 243 |
zx_ch(i, 1) = (local_h(i, 1)*zzpk*delp(i, 1) & |
| 244 |
+zx_coef(i, 2)*(z_gamah(i, 2)+zx_ch(i, 2))) & |
| 245 |
/zx_buf2(i) |
| 246 |
zx_dh(i, 1) = -1. * RG / zx_buf2(i) |
| 247 |
ENDDO |
| 248 |
|
| 249 |
! Appel a interfsurf (appel generique) routine d'interface avec la surface |
| 250 |
|
| 251 |
! initialisation |
| 252 |
petAcoef =0. |
| 253 |
peqAcoef = 0. |
| 254 |
petBcoef =0. |
| 255 |
peqBcoef = 0. |
| 256 |
p1lay =0. |
| 257 |
|
| 258 |
petAcoef(1:knon) = zx_ch(1:knon, 1) |
| 259 |
peqAcoef(1:knon) = zx_cq(1:knon, 1) |
| 260 |
petBcoef(1:knon) = zx_dh(1:knon, 1) |
| 261 |
peqBcoef(1:knon) = zx_dq(1:knon, 1) |
| 262 |
tq_cdrag(1:knon) =coef(:knon, 1) |
| 263 |
temp_air(1:knon) =t(1:knon, 1) |
| 264 |
epot_air(1:knon) =local_h(1:knon, 1) |
| 265 |
spechum(1:knon)=q(1:knon, 1) |
| 266 |
p1lay(1:knon) = pplay(1:knon, 1) |
| 267 |
zlev1(1:knon) = delp(1:knon, 1) |
| 268 |
|
| 269 |
if(nisurf.eq.is_ter) THEN |
| 270 |
swdown(1:knon) = swnet(1:knon)/(1-albedo(1:knon)) |
| 271 |
else |
| 272 |
swdown(1:knon) = swnet(1:knon) |
| 273 |
endif |
| 274 |
ccanopy = co2_ppm |
| 275 |
|
| 276 |
CALL interfsurf_hq(itime, dtime, jour, rmu0, klon, iim, jjm, & |
| 277 |
nisurf, knon, knindex, pctsrf, rlat, debut, & |
| 278 |
ok_veget, soil_model, nsoilmx, tsoil, qsol, u1lay, v1lay, & |
| 279 |
temp_air, spechum, tq_cdrag, petAcoef, peqAcoef, & |
| 280 |
petBcoef, peqBcoef, precip_rain, precip_snow, & |
| 281 |
fder, rugos, rugoro, & |
| 282 |
snow, qsurf, ts, p1lay, psref, radsol, ocean, & |
| 283 |
evap, fluxsens, fluxlat, dflux_l, dflux_s, tsurf_new, & |
| 284 |
alb_new, alblw, z0_new, pctsrf_new, agesno, fqcalving, & |
| 285 |
ffonte, run_off_lic_0, flux_o, flux_g, tslab, seaice) |
| 286 |
|
| 287 |
do i = 1, knon |
| 288 |
flux_t(i, 1) = fluxsens(i) |
| 289 |
flux_q(i, 1) = - evap(i) |
| 290 |
d_ts(i) = tsurf_new(i) - ts(i) |
| 291 |
albedo(i) = alb_new(i) |
| 292 |
enddo |
| 293 |
|
| 294 |
!==== une fois on a zx_h_ts, on peut faire l'iteration ======== |
| 295 |
DO i = 1, knon |
| 296 |
local_h(i, 1) = zx_ch(i, 1) + zx_dh(i, 1)*flux_t(i, 1)*dtime |
| 297 |
local_q(i, 1) = zx_cq(i, 1) + zx_dq(i, 1)*flux_q(i, 1)*dtime |
| 298 |
ENDDO |
| 299 |
DO k = 2, klev |
| 300 |
DO i = 1, knon |
| 301 |
local_q(i, k) = zx_cq(i, k) + zx_dq(i, k)*local_q(i, k-1) |
| 302 |
local_h(i, k) = zx_ch(i, k) + zx_dh(i, k)*local_h(i, k-1) |
| 303 |
ENDDO |
| 304 |
ENDDO |
| 305 |
!====================================================================== |
| 306 |
!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas |
| 307 |
!== flux_t est le flux de cpt (energie sensible): j/(m**2 s) |
| 308 |
DO k = 2, klev |
| 309 |
DO i = 1, knon |
| 310 |
flux_q(i, k) = (zx_coef(i, k)/RG/dtime) & |
| 311 |
* (local_q(i, k)-local_q(i, k-1)+z_gamaq(i, k)) |
| 312 |
flux_t(i, k) = (zx_coef(i, k)/RG/dtime) & |
| 313 |
* (local_h(i, k)-local_h(i, k-1)+z_gamah(i, k)) & |
| 314 |
/ zx_pkh(i, k) |
| 315 |
ENDDO |
| 316 |
ENDDO |
| 317 |
!====================================================================== |
| 318 |
! Calcul tendances |
| 319 |
DO k = 1, klev |
| 320 |
DO i = 1, knon |
| 321 |
d_t(i, k) = local_h(i, k)/zx_pkf(i, k)/RCPD - t(i, k) |
| 322 |
d_q(i, k) = local_q(i, k) - q(i, k) |
| 323 |
ENDDO |
| 324 |
ENDDO |
| 325 |
|
| 326 |
END SUBROUTINE clqh |
| 327 |
|
| 328 |
end module clqh_m |
Parent Directory
| 
Revision Log