4 |
|
|
5 |
contains |
contains |
6 |
|
|
7 |
SUBROUTINE calcul_fluxs(dtime, tsurf, p1lay, cal, beta, coef1lay, ps, & |
SUBROUTINE calcul_fluxs(dtime, tsurf, p1lay, cal, beta, coef1lay, ps, qsurf, & |
8 |
qsurf, radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, petAcoef, & |
radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, petAcoef, peqAcoef, & |
9 |
peqAcoef, petBcoef, peqBcoef, tsurf_new, evap, fluxlat, flux_t, & |
petBcoef, peqBcoef, tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l) |
|
dflux_s, dflux_l) |
|
10 |
|
|
11 |
! Cette routine calcule les flux en h et q à l'interface et une |
! Cette routine calcule les flux en h et q à l'interface et une |
12 |
! température de surface. |
! température de surface. |
13 |
|
|
14 |
! L. Fairhead, April 2000 |
! L. Fairhead, April 2000 |
15 |
|
|
16 |
USE fcttre, ONLY: foede, foeew |
! Note that, if cal = 0, beta = 1 and dif_grnd = 0, then tsurf_new |
17 |
|
! = tsurf and qsurf = qsat. |
18 |
|
|
19 |
use nr_util, only: assert_eq |
use nr_util, only: assert_eq |
20 |
|
|
21 |
|
USE fcttre, ONLY: foede, foeew |
22 |
USE suphec_m, ONLY: rcpd, rd, retv, rlstt, rlvtt, rtt |
USE suphec_m, ONLY: rcpd, rd, retv, rlstt, rlvtt, rtt |
23 |
USE yoethf_m, ONLY: r2es, r5ies, r5les, rvtmp2 |
USE yoethf_m, ONLY: r2es, r5ies, r5les, rvtmp2 |
24 |
|
|
60 |
|
|
61 |
! Local: |
! Local: |
62 |
integer i |
integer i |
63 |
integer knon ! nombre de points a traiter |
integer knon ! nombre de points \`a traiter |
64 |
real, dimension(size(ps)):: mh, oh, mq, nq, oq, dq_s_dt, coef ! (knon) |
real, dimension(size(ps)):: mh, oh, mq, nq, oq, dq_s_dt, coef ! (knon) |
65 |
real qsat(size(ps)) ! (knon) mass fraction |
real qsat(size(ps)) ! (knon) mass fraction |
66 |
real sl(size(ps)) ! (knon) chaleur latente d'évaporation ou de sublimation |
real sl(size(ps)) ! (knon) chaleur latente d'évaporation ou de sublimation |
70 |
|
|
71 |
!--------------------------------------------------------------------- |
!--------------------------------------------------------------------- |
72 |
|
|
73 |
knon = assert_eq((/size(tsurf), size(p1lay), size(cal), size(beta), & |
knon = assert_eq([size(tsurf), size(p1lay), size(cal), size(beta), & |
74 |
size(coef1lay), size(ps), size(qsurf), size(radsol), size(dif_grnd), & |
size(coef1lay), size(ps), size(qsurf), size(radsol), size(dif_grnd), & |
75 |
size(t1lay), size(q1lay), size(u1lay), size(v1lay), size(petAcoef), & |
size(t1lay), size(q1lay), size(u1lay), size(v1lay), size(petAcoef), & |
76 |
size(peqAcoef), size(petBcoef), size(peqBcoef), size(tsurf_new), & |
size(peqAcoef), size(petBcoef), size(peqBcoef), size(tsurf_new), & |
77 |
size(evap), size(fluxlat), size(flux_t), size(dflux_s), & |
size(evap), size(fluxlat), size(flux_t), size(dflux_s), & |
78 |
size(dflux_l)/), "calcul_fluxs knon") |
size(dflux_l)], "calcul_fluxs knon") |
79 |
|
|
80 |
! Traitement de l'humidité du sol |
! Traitement de l'humidité du sol |
81 |
|
|
95 |
! Q |
! Q |
96 |
oq = 1. - beta * coef * peqBcoef * dtime |
oq = 1. - beta * coef * peqBcoef * dtime |
97 |
mq = beta * coef * (peqAcoef - qsat + dq_s_dt * tsurf) / oq |
mq = beta * coef * (peqAcoef - qsat + dq_s_dt * tsurf) / oq |
98 |
nq = beta * coef * (- 1. * dq_s_dt) / oq |
nq = - beta * coef * dq_s_dt / oq |
99 |
|
|
100 |
! H |
! H |
101 |
oh = 1. - (coef * petBcoef * dtime) |
oh = 1. - coef * petBcoef * dtime |
102 |
mh = coef * petAcoef / oh |
mh = coef * petAcoef / oh |
103 |
dflux_s = - (coef * RCPD)/ oh |
dflux_s = - coef * RCPD / oh |
104 |
|
|
|
! Tsurface |
|
105 |
tsurf_new = (tsurf + cal / RCPD * dtime * (radsol + mh + sl * mq) & |
tsurf_new = (tsurf + cal / RCPD * dtime * (radsol + mh + sl * mq) & |
106 |
+ dif_grnd * t_grnd * dtime) / (1. - dtime * cal / RCPD * (dflux_s & |
+ dif_grnd * t_grnd * dtime) / (1. - dtime * cal / RCPD * (dflux_s & |
107 |
+ sl * nq) + dtime * dif_grnd) |
+ sl * nq) + dtime * dif_grnd) |
|
|
|
108 |
evap = - mq - nq * tsurf_new |
evap = - mq - nq * tsurf_new |
109 |
fluxlat = - evap * sl |
fluxlat = - evap * sl |
110 |
flux_t = mh + dflux_s * tsurf_new |
flux_t = mh + dflux_s * tsurf_new |
111 |
dflux_l = sl * nq |
dflux_l = sl * nq |
|
|
|
|
! Nouvelle valeur de l'humidité au dessus du sol : |
|
112 |
qsurf = (peqAcoef - peqBcoef * evap * dtime) * (1. - beta) + beta * (qsat & |
qsurf = (peqAcoef - peqBcoef * evap * dtime) * (1. - beta) + beta * (qsat & |
113 |
+ dq_s_dt * (tsurf_new - tsurf)) |
+ dq_s_dt * (tsurf_new - tsurf)) |
114 |
|
|