phylmd/Interface_surf/clqh.f

module clqh_m

  IMPLICIT none

contains

  SUBROUTINE clqh(dtime, julien, debut, nisurf, knindex, tsoil, qsol, rmu0, &
       rugos, rugoro, u1lay, v1lay, coef, tq_cdrag, t, q, ts, paprs, pplay, &
       delp, radsol, albedo, snow, qsurf, precip_rain, precip_snow, fluxlat, &
       pctsrf_new_sic, agesno, d_t, d_q, d_ts, z0_new, flux_t, flux_q, &
       dflux_s, dflux_l, fqcalving, ffonte, run_off_lic_0)

    ! Author: Z. X. Li (LMD/CNRS)
    ! Date: 1993 Aug. 18th
    ! Objet : diffusion verticale de "q" et de "h"

    USE conf_phys_m, ONLY: iflag_pbl
    USE dimphy, ONLY: klev, klon
    USE interfsurf_hq_m, ONLY: interfsurf_hq
    USE suphec_m, ONLY: rcpd, rd, rg, rkappa

    REAL, intent(in):: dtime ! intervalle du temps (s)
    integer, intent(in):: julien ! jour de l'annee en cours
    logical, intent(in):: debut
    integer, intent(in):: nisurf
    integer, intent(in):: knindex(:) ! (knon)
    REAL, intent(inout):: tsoil(:, :) ! (knon, nsoilmx)

    REAL, intent(inout):: qsol(:) ! (knon)
    ! column-density of water in soil, in kg m-2

    real, intent(in):: rmu0(klon) ! cosinus de l'angle solaire zenithal
    real, intent(in):: rugos(:) ! (knon) rugosite
    REAL, intent(in):: rugoro(:) ! (knon)

    REAL, intent(in):: u1lay(:), v1lay(:) ! (knon)
    ! vitesse de la 1ere couche (m / s)

    REAL, intent(in):: coef(:, 2:) ! (knon, 2:klev)
    ! Le coefficient d'echange (m**2 / s) multiplie par le cisaillement
    ! du vent (dV / dz)

    REAL, intent(in):: tq_cdrag(:) ! (knon) sans unite

    REAL, intent(in):: t(:, :) ! (knon, klev) temperature (K)
    REAL, intent(in):: q(:, :) ! (knon, klev) humidite specifique (kg / kg)
    REAL, intent(in):: ts(:) ! (knon) temperature du sol (K)

    REAL, intent(in):: paprs(:, :) ! (knon, klev + 1)
    ! pression a inter-couche (Pa)

    REAL, intent(in):: pplay(:, :) ! (knon, klev)
    ! pression au milieu de couche (Pa)

    REAL delp(klon, klev) ! epaisseur de couche en pression (Pa)

    REAL, intent(in):: radsol(:) ! (knon)
    ! rayonnement net au sol (Solaire + IR) W / m2

    REAL, intent(inout):: albedo(:) ! (knon) albedo de la surface
    REAL, intent(inout):: snow(:) ! (knon) ! hauteur de neige
    REAL qsurf(klon) ! humidite de l'air au dessus de la surface

    real, intent(in):: precip_rain(klon)
    ! liquid water mass flux (kg / m2 / s), positive down

    real, intent(in):: precip_snow(klon)
    ! solid water mass flux (kg / m2 / s), positive down

    real, intent(out):: fluxlat(:) ! (knon)
    real, intent(in):: pctsrf_new_sic(:) ! (klon)
    REAL, intent(inout):: agesno(:) ! (knon)
    REAL, intent(out):: d_t(:, :) ! (knon, klev) incrementation de "t"
    REAL, intent(out):: d_q(:, :) ! (knon, klev) incrementation de "q"
    REAL, intent(out):: d_ts(:) ! (knon) variation of surface temperature
    real, intent(out):: z0_new(:) ! (knon)

    REAL, intent(out):: flux_t(:) ! (knon)
    ! (diagnostic) flux de chaleur sensible (Cp T) à la surface,
    ! positif vers le bas, W / m2

    REAL, intent(out):: flux_q(:) ! (knon)
    ! flux de la vapeur d'eau à la surface, en kg / (m**2 s)

    REAL dflux_s(:) ! (knon) derivee du flux sensible dF / dTs
    REAL dflux_l(:) ! (knon) derivee du flux latent dF / dTs

    REAL, intent(out):: fqcalving(:) ! (knon)
    ! Flux d'eau "perdue" par la surface et n\'ecessaire pour que limiter la
    ! hauteur de neige, en kg / m2 / s

    REAL ffonte(klon)
    ! Flux thermique utiliser pour fondre la neige

    REAL run_off_lic_0(klon)! runof glacier au pas de temps precedent

    ! Local:
    INTEGER knon
    REAL evap(size(knindex)) ! (knon) evaporation au sol
    INTEGER i, k
    REAL, dimension(size(knindex), klev):: cq, dq, ch, dh ! (knon, klev)
    REAL buf1(klon), buf2(klon)
    REAL zx_coef(size(knindex), 2:klev) ! (knon, 2:klev)
    REAL h(size(knindex), klev) ! (knon, klev) enthalpie potentielle
    REAL local_q(size(knindex), klev) ! (knon, klev)

    REAL psref(size(knindex)) ! (knon)
    ! pression de reference pour temperature potentielle

    REAL pkf(size(knindex), klev) ! (knon, klev)

    REAL gamt(size(knindex), 2:klev) ! (knon, 2:klev)
    ! contre-gradient pour la chaleur sensible, en K m-1

    REAL gamah(size(knindex), 2:klev) ! (knon, 2:klev)
    real tsurf_new(size(knindex)) ! (knon)
    real zzpk

    !----------------------------------------------------------------

    knon = size(knindex)

    if (iflag_pbl == 1) then
       gamt(:, 2) = - 2.5e-3
       gamt(:, 3:)= - 1e-3
    else
       gamt = 0.
    endif

    psref = paprs(:, 1) ! pression de reference est celle au sol
    forall (k = 1:klev) pkf(:, k) = (psref / pplay(:, k))**RKAPPA
    h = RCPD * t * pkf

    ! Convertir les coefficients en variables convenables au calcul:
    forall (k = 2:klev) zx_coef(:, k) = coef(:, k) * RG &
         / (pplay(:, k - 1) - pplay(:, k)) &
         * (paprs(:, k) * 2 / (t(:, k) + t(:, k - 1)) / RD)**2 * dtime * RG

    ! Preparer les flux lies aux contre-gardients
    forall (k = 2:klev) gamah(:, k) = gamt(:, k) * (RD * (t(:, k - 1) &
         + t(:, k)) / 2. / RG / paprs(:, k) * (pplay(:, k - 1) - pplay(:, k))) &
         * RCPD * (psref(:) / paprs(:, k))**RKAPPA

    DO i = 1, knon
       buf1(i) = zx_coef(i, klev) + delp(i, klev)
       cq(i, klev) = q(i, klev) * delp(i, klev) / buf1(i)
       dq(i, klev) = zx_coef(i, klev) / buf1(i)

       zzpk=(pplay(i, klev) / psref(i))**RKAPPA
       buf2(i) = zzpk * delp(i, klev) + zx_coef(i, klev)
       ch(i, klev) = (h(i, klev) * zzpk * delp(i, klev) &
            - zx_coef(i, klev) * gamah(i, klev)) / buf2(i)
       dh(i, klev) = zx_coef(i, klev) / buf2(i)
    ENDDO

    DO k = klev - 1, 2, - 1
       DO i = 1, knon
          buf1(i) = delp(i, k) + zx_coef(i, k) &
               + zx_coef(i, k + 1) * (1. - dq(i, k + 1))
          cq(i, k) = (q(i, k) * delp(i, k) &
               + zx_coef(i, k + 1) * cq(i, k + 1)) / buf1(i)
          dq(i, k) = zx_coef(i, k) / buf1(i)

          zzpk=(pplay(i, k) / psref(i))**RKAPPA
          buf2(i) = zzpk * delp(i, k) + zx_coef(i, k) &
               + zx_coef(i, k + 1) * (1. - dh(i, k + 1))
          ch(i, k) = (h(i, k) * zzpk * delp(i, k) &
               + zx_coef(i, k + 1) * ch(i, k + 1) &
               + zx_coef(i, k + 1) * gamah(i, k + 1) &
               - zx_coef(i, k) * gamah(i, k)) / buf2(i)
          dh(i, k) = zx_coef(i, k) / buf2(i)
       ENDDO
    ENDDO

    DO i = 1, knon
       buf1(i) = delp(i, 1) + zx_coef(i, 2) * (1. - dq(i, 2))
       cq(i, 1) = (q(i, 1) * delp(i, 1) &
            + zx_coef(i, 2) * cq(i, 2)) / buf1(i)
       dq(i, 1) = - 1. * RG / buf1(i)

       zzpk=(pplay(i, 1) / psref(i))**RKAPPA
       buf2(i) = zzpk * delp(i, 1) + zx_coef(i, 2) * (1. - dh(i, 2))
       ch(i, 1) = (h(i, 1) * zzpk * delp(i, 1) &
            + zx_coef(i, 2) * (gamah(i, 2) + ch(i, 2))) / buf2(i)
       dh(i, 1) = - 1. * RG / buf2(i)
    ENDDO

    CALL interfsurf_hq(dtime, julien, rmu0, nisurf, knindex, debut, tsoil, &
         qsol, u1lay, v1lay, t(:, 1), q(:, 1), tq_cdrag(:knon), ch(:, 1), &
         cq(:, 1), dh(:, 1), dq(:, 1), precip_rain, precip_snow, rugos, &
         rugoro, snow, qsurf, ts, pplay(:, 1), psref, radsol, evap, flux_t, &
         fluxlat, dflux_l, dflux_s, tsurf_new, albedo, z0_new, pctsrf_new_sic, &
         agesno, fqcalving, ffonte, run_off_lic_0)

    flux_q = - evap
    d_ts = tsurf_new - ts

    h(:, 1) = ch(:, 1) + dh(:, 1) * flux_t * dtime
    local_q(:, 1) = cq(:, 1) + dq(:, 1) * flux_q * dtime

    DO k = 2, klev
       h(:, k) = ch(:, k) + dh(:, k) * h(:, k - 1)
       local_q(:, k) = cq(:, k) + dq(:, k) * local_q(:, k - 1)
    ENDDO

    d_t = h / pkf / RCPD - t
    d_q = local_q - q

  END SUBROUTINE clqh

end module clqh_m
1	guez	49	module clqh_m
2	guez	3
3	guez	38	IMPLICIT none
4	guez	3
5	guez	49	contains
6	guez	3
7	guez	221	SUBROUTINE clqh(dtime, julien, debut, nisurf, knindex, tsoil, qsol, rmu0, &
8	guez	236	rugos, rugoro, u1lay, v1lay, coef, tq_cdrag, t, q, ts, paprs, pplay, &
9			delp, radsol, albedo, snow, qsurf, precip_rain, precip_snow, fluxlat, &
10	guez	206	pctsrf_new_sic, agesno, d_t, d_q, d_ts, z0_new, flux_t, flux_q, &
11			dflux_s, dflux_l, fqcalving, ffonte, run_off_lic_0)
12	guez	3
13	guez	62	! Author: Z. X. Li (LMD/CNRS)
14	guez	279	! Date: 1993 Aug. 18th
15	guez	49	! Objet : diffusion verticale de "q" et de "h"
16	guez	3
17	guez	154	USE conf_phys_m, ONLY: iflag_pbl
18			USE dimphy, ONLY: klev, klon
19			USE interfsurf_hq_m, ONLY: interfsurf_hq
20			USE suphec_m, ONLY: rcpd, rd, rg, rkappa
21	guez	38
22	guez	155	REAL, intent(in):: dtime ! intervalle du temps (s)
23	guez	221	integer, intent(in):: julien ! jour de l'annee en cours
24	guez	154	logical, intent(in):: debut
25	guez	175	integer, intent(in):: nisurf
26	guez	154	integer, intent(in):: knindex(:) ! (knon)
27	guez	208	REAL, intent(inout):: tsoil(:, :) ! (knon, nsoilmx)
28	guez	202
29	guez	225	REAL, intent(inout):: qsol(:) ! (knon)
30	guez	154	! column-density of water in soil, in kg m-2
31
32	guez	155	real, intent(in):: rmu0(klon) ! cosinus de l'angle solaire zenithal
33	guez	282	real, intent(in):: rugos(:) ! (knon) rugosite
34			REAL, intent(in):: rugoro(:) ! (knon)
35	guez	70
36	guez	225	REAL, intent(in):: u1lay(:), v1lay(:) ! (knon)
37			! vitesse de la 1ere couche (m / s)
38
39	guez	236	REAL, intent(in):: coef(:, 2:) ! (knon, 2:klev)
40	guez	155	! Le coefficient d'echange (m**2 / s) multiplie par le cisaillement
41	guez	236	! du vent (dV / dz)
42	guez	70
43	guez	236	REAL, intent(in):: tq_cdrag(:) ! (knon) sans unite
44
45	guez	280	REAL, intent(in):: t(:, :) ! (knon, klev) temperature (K)
46			REAL, intent(in):: q(:, :) ! (knon, klev) humidite specifique (kg / kg)
47	guez	207	REAL, intent(in):: ts(:) ! (knon) temperature du sol (K)
48	guez	280
49			REAL, intent(in):: paprs(:, :) ! (knon, klev + 1)
50			! pression a inter-couche (Pa)
51
52			REAL, intent(in):: pplay(:, :) ! (knon, klev)
53			! pression au milieu de couche (Pa)
54
55	guez	155	REAL delp(klon, klev) ! epaisseur de couche en pression (Pa)
56	guez	222
57	guez	267	REAL, intent(in):: radsol(:) ! (knon)
58	guez	222	! rayonnement net au sol (Solaire + IR) W / m2
59
60	guez	155	REAL, intent(inout):: albedo(:) ! (knon) albedo de la surface
61	guez	215	REAL, intent(inout):: snow(:) ! (knon) ! hauteur de neige
62	guez	155	REAL qsurf(klon) ! humidite de l'air au dessus de la surface
63	guez	101
64			real, intent(in):: precip_rain(klon)
65	guez	155	! liquid water mass flux (kg / m2 / s), positive down
66	guez	101
67			real, intent(in):: precip_snow(klon)
68	guez	155	! solid water mass flux (kg / m2 / s), positive down
69	guez	101
70	guez	214	real, intent(out):: fluxlat(:) ! (knon)
71	guez	202	real, intent(in):: pctsrf_new_sic(:) ! (klon)
72	guez	175	REAL, intent(inout):: agesno(:) ! (knon)
73	guez	281	REAL, intent(out):: d_t(:, :) ! (knon, klev) incrementation de "t"
74			REAL, intent(out):: d_q(:, :) ! (knon, klev) incrementation de "q"
75	guez	221	REAL, intent(out):: d_ts(:) ! (knon) variation of surface temperature
76	guez	282	real, intent(out):: z0_new(:) ! (knon)
77	guez	206
78			REAL, intent(out):: flux_t(:) ! (knon)
79			! (diagnostic) flux de chaleur sensible (Cp T) à la surface,
80			! positif vers le bas, W / m2
81
82			REAL, intent(out):: flux_q(:) ! (knon)
83			! flux de la vapeur d'eau à la surface, en kg / (m**2 s)
84
85	guez	222	REAL dflux_s(:) ! (knon) derivee du flux sensible dF / dTs
86			REAL dflux_l(:) ! (knon) derivee du flux latent dF / dTs
87	guez	154
88	guez	279	REAL, intent(out):: fqcalving(:) ! (knon)
89	guez	150	! Flux d'eau "perdue" par la surface et n\'ecessaire pour que limiter la
90	guez	155	! hauteur de neige, en kg / m2 / s
91	guez	101
92	guez	279	REAL ffonte(klon)
93	guez	154	! Flux thermique utiliser pour fondre la neige
94
95			REAL run_off_lic_0(klon)! runof glacier au pas de temps precedent
96
97			! Local:
98	guez	206	INTEGER knon
99			REAL evap(size(knindex)) ! (knon) evaporation au sol
100	guez	49	INTEGER i, k
101	guez	281	REAL, dimension(size(knindex), klev):: cq, dq, ch, dh ! (knon, klev)
102	guez	280	REAL buf1(klon), buf2(klon)
103			REAL zx_coef(size(knindex), 2:klev) ! (knon, 2:klev)
104			REAL h(size(knindex), klev) ! (knon, klev) enthalpie potentielle
105			REAL local_q(size(knindex), klev) ! (knon, klev)
106	guez	3
107	guez	280	REAL psref(size(knindex)) ! (knon)
108			! pression de reference pour temperature potentielle
109	guez	279
110	guez	280	REAL pkf(size(knindex), klev) ! (knon, klev)
111
112	guez	279	REAL gamt(size(knindex), 2:klev) ! (knon, 2:klev)
113			! contre-gradient pour la chaleur sensible, en K m-1
114
115	guez	280	REAL gamah(size(knindex), 2:klev) ! (knon, 2:klev)
116	guez	206	real tsurf_new(size(knindex)) ! (knon)
117	guez	49	real zzpk
118	guez	3
119	guez	49	!----------------------------------------------------------------
120	guez	3
121	guez	206	knon = size(knindex)
122
123	guez	155	if (iflag_pbl == 1) then
124	guez	279	gamt(:, 2) = - 2.5e-3
125			gamt(:, 3:)= - 1e-3
126	guez	49	else
127	guez	279	gamt = 0.
128	guez	49	endif
129
130	guez	280	psref = paprs(:, 1) ! pression de reference est celle au sol
131			forall (k = 1:klev) pkf(:, k) = (psref / pplay(:, k))**RKAPPA
132			h = RCPD * t * pkf
133	guez	49
134			! Convertir les coefficients en variables convenables au calcul:
135	guez	280	forall (k = 2:klev) zx_coef(:, k) = coef(:, k) * RG &
136			/ (pplay(:, k - 1) - pplay(:, k)) &
137			* (paprs(:, k) * 2 / (t(:, k) + t(:, k - 1)) / RD)*2 dtime * RG
138	guez	49
139			! Preparer les flux lies aux contre-gardients
140	guez	280	forall (k = 2:klev) gamah(:, k) = gamt(:, k) * (RD * (t(:, k - 1) &
141			+ t(:, k)) / 2. / RG / paprs(:, k) * (pplay(:, k - 1) - pplay(:, k))) &
142			* RCPD * (psref(:) / paprs(:, k))**RKAPPA
143	guez	279
144	guez	49	DO i = 1, knon
145	guez	280	buf1(i) = zx_coef(i, klev) + delp(i, klev)
146			cq(i, klev) = q(i, klev) * delp(i, klev) / buf1(i)
147			dq(i, klev) = zx_coef(i, klev) / buf1(i)
148	guez	49
149	guez	155	zzpk=(pplay(i, klev) / psref(i))**RKAPPA
150	guez	280	buf2(i) = zzpk * delp(i, klev) + zx_coef(i, klev)
151	guez	281	ch(i, klev) = (h(i, klev) * zzpk * delp(i, klev) &
152	guez	280	- zx_coef(i, klev) * gamah(i, klev)) / buf2(i)
153	guez	281	dh(i, klev) = zx_coef(i, klev) / buf2(i)
154	guez	49	ENDDO
155	guez	279
156	guez	155	DO k = klev - 1, 2, - 1
157	guez	49	DO i = 1, knon
158	guez	280	buf1(i) = delp(i, k) + zx_coef(i, k) &
159			+ zx_coef(i, k + 1) * (1. - dq(i, k + 1))
160			cq(i, k) = (q(i, k) * delp(i, k) &
161			+ zx_coef(i, k + 1) * cq(i, k + 1)) / buf1(i)
162			dq(i, k) = zx_coef(i, k) / buf1(i)
163	guez	49
164	guez	155	zzpk=(pplay(i, k) / psref(i))**RKAPPA
165	guez	280	buf2(i) = zzpk * delp(i, k) + zx_coef(i, k) &
166	guez	281	+ zx_coef(i, k + 1) * (1. - dh(i, k + 1))
167			ch(i, k) = (h(i, k) * zzpk * delp(i, k) &
168			+ zx_coef(i, k + 1) * ch(i, k + 1) &
169	guez	280	+ zx_coef(i, k + 1) * gamah(i, k + 1) &
170			- zx_coef(i, k) * gamah(i, k)) / buf2(i)
171	guez	281	dh(i, k) = zx_coef(i, k) / buf2(i)
172	guez	49	ENDDO
173			ENDDO
174
175			DO i = 1, knon
176	guez	280	buf1(i) = delp(i, 1) + zx_coef(i, 2) * (1. - dq(i, 2))
177			cq(i, 1) = (q(i, 1) * delp(i, 1) &
178			+ zx_coef(i, 2) * cq(i, 2)) / buf1(i)
179			dq(i, 1) = - 1. * RG / buf1(i)
180	guez	49
181	guez	155	zzpk=(pplay(i, 1) / psref(i))**RKAPPA
182	guez	281	buf2(i) = zzpk * delp(i, 1) + zx_coef(i, 2) * (1. - dh(i, 2))
183			ch(i, 1) = (h(i, 1) * zzpk * delp(i, 1) &
184			+ zx_coef(i, 2) * (gamah(i, 2) + ch(i, 2))) / buf2(i)
185			dh(i, 1) = - 1. * RG / buf2(i)
186	guez	49	ENDDO
187
188	guez	222	CALL interfsurf_hq(dtime, julien, rmu0, nisurf, knindex, debut, tsoil, &
189	guez	281	qsol, u1lay, v1lay, t(:, 1), q(:, 1), tq_cdrag(:knon), ch(:, 1), &
190			cq(:, 1), dh(:, 1), dq(:, 1), precip_rain, precip_snow, rugos, &
191			rugoro, snow, qsurf, ts, pplay(:, 1), psref, radsol, evap, flux_t, &
192			fluxlat, dflux_l, dflux_s, tsurf_new, albedo, z0_new, pctsrf_new_sic, &
193			agesno, fqcalving, ffonte, run_off_lic_0)
194	guez	49
195	guez	206	flux_q = - evap
196	guez	207	d_ts = tsurf_new - ts
197	guez	49
198	guez	281	h(:, 1) = ch(:, 1) + dh(:, 1) * flux_t * dtime
199			local_q(:, 1) = cq(:, 1) + dq(:, 1) * flux_q * dtime
200
201	guez	49	DO k = 2, klev
202	guez	281	h(:, k) = ch(:, k) + dh(:, k) * h(:, k - 1)
203			local_q(:, k) = cq(:, k) + dq(:, k) * local_q(:, k - 1)
204	guez	49	ENDDO
205	guez	155
206	guez	281	d_t = h / pkf / RCPD - t
207			d_q = local_q - q
208	guez	49
209			END SUBROUTINE clqh
210
211			end module clqh_m