/[lmdze]/trunk/Sources/phylmd/Interface_surf/fonte_neige.f
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revision 206 by guez, Tue Aug 30 12:52:46 2016 UTC revision 207 by guez, Thu Sep 1 10:30:53 2016 UTC
# Line 14  contains Line 14  contains
14    
15      ! Laurent Fairhead, March, 2001      ! Laurent Fairhead, March, 2001
16    
17      USE fcttre, ONLY: foeew, qsatl, qsats, thermcep      USE fcttre, ONLY: foeew, qsatl, qsats
18      USE indicesol, ONLY: epsfra, is_lic, is_sic, is_ter      USE indicesol, ONLY: epsfra, is_lic, is_sic, is_ter
19      USE interface_surf, ONLY: run_off_lic, tau_calv      USE interface_surf, ONLY: run_off_lic, tau_calv
20      use nr_util, only: assert_eq      use nr_util, only: assert_eq
# Line 51  contains Line 51  contains
51      real, intent(IN):: petBcoef(:), peqBcoef(:) ! (knon)      real, intent(IN):: petBcoef(:), peqBcoef(:) ! (knon)
52      ! coefficients B de la r\'esolution de la couche limite pour t et q      ! coefficients B de la r\'esolution de la couche limite pour t et q
53    
54      real, intent(INOUT):: tsurf_new(:)      real, intent(INOUT):: tsurf_new(:) ! (knon) temp\'erature au sol
     ! tsurf_new temperature au sol  
   
55      real, intent(IN):: evap(:) ! (knon)      real, intent(IN):: evap(:) ! (knon)
56    
57      real, intent(OUT):: fqcalving(:) ! (knon)      real, intent(OUT):: fqcalving(:) ! (knon)
# Line 79  contains Line 77  contains
77      real fq_fonte      real fq_fonte
78      REAL bil_eau_s(size(ps)) ! in kg m-2      REAL bil_eau_s(size(ps)) ! in kg m-2
79      real snow_evap(size(ps)) ! in kg m-2 s-1      real snow_evap(size(ps)) ! in kg m-2 s-1
     real, parameter:: t_coup = 273.15  
80      REAL, parameter:: chasno = 3.334E5 / (2.3867E6*0.15)      REAL, parameter:: chasno = 3.334E5 / (2.3867E6*0.15)
81      REAL, parameter:: chaice = 3.334E5 / (2.3867E6*0.15)      REAL, parameter:: chaice = 3.334E5 / (2.3867E6*0.15)
82      real, parameter:: max_eau_sol = 150. ! in kg m-2      real, parameter:: max_eau_sol = 150. ! in kg m-2
# Line 98  contains Line 95  contains
95      coeff_rel = dtime / (tau_calv * rday)      coeff_rel = dtime / (tau_calv * rday)
96      bil_eau_s = 0.      bil_eau_s = 0.
97      DO i = 1, knon      DO i = 1, knon
98         IF (thermcep) THEN         zdelta= rtt >= tsurf(i)
99            zdelta= rtt >= tsurf(i)         zcvm5 = merge(R5IES*RLSTT, R5LES*RLVTT, zdelta)
100            zcvm5 = merge(R5IES*RLSTT, R5LES*RLVTT, zdelta)         zcvm5 = zcvm5 / RCPD / (1. + RVTMP2*q1lay(i))
101            zcvm5 = zcvm5 / RCPD / (1. + RVTMP2*q1lay(i))         zx_qs= r2es * FOEEW(tsurf(i), zdelta) / ps(i)
102            zx_qs= r2es * FOEEW(tsurf(i), zdelta) / ps(i)         zx_qs=MIN(0.5, zx_qs)
103            zx_qs=MIN(0.5, zx_qs)         zcor=1. / (1. - retv*zx_qs)
104            zcor=1. / (1.-retv*zx_qs)         zx_qs=zx_qs*zcor
           zx_qs=zx_qs*zcor  
        ELSE  
           IF (tsurf(i) < t_coup) THEN  
              zx_qs = qsats(tsurf(i)) / ps(i)  
           ELSE  
              zx_qs = qsatl(tsurf(i)) / ps(i)  
           ENDIF  
        ENDIF  
105      ENDDO      ENDDO
106    
107      ! Calcul de la temperature de surface      ! Calcul de la temperature de surface
# Line 135  contains Line 124  contains
124      do i = 1, knon      do i = 1, knon
125         if ((snow(i) > epsfra .OR. nisurf == is_sic &         if ((snow(i) > epsfra .OR. nisurf == is_sic &
126              .OR. nisurf == is_lic) .AND. tsurf_new(i) >= RTT) then              .OR. nisurf == is_lic) .AND. tsurf_new(i) >= RTT) then
127            fq_fonte = MIN(MAX((tsurf_new(i)-RTT) / chasno, 0.), snow(i))            fq_fonte = MIN(MAX((tsurf_new(i) - RTT) / chasno, 0.), snow(i))
128            ffonte(i) = fq_fonte * RLMLT / dtime            ffonte(i) = fq_fonte * RLMLT / dtime
129            snow(i) = max(0., snow(i) - fq_fonte)            snow(i) = max(0., snow(i) - fq_fonte)
130            bil_eau_s(i) = bil_eau_s(i) + fq_fonte            bil_eau_s(i) = bil_eau_s(i) + fq_fonte
131            tsurf_new(i) = tsurf_new(i) - fq_fonte * chasno            tsurf_new(i) = tsurf_new(i) - fq_fonte * chasno
132            !IM cf JLD/ GKtest fonte aussi pour la glace            !IM cf JLD/ GKtest fonte aussi pour la glace
133            IF (nisurf == is_sic .OR. nisurf == is_lic) THEN            IF (nisurf == is_sic .OR. nisurf == is_lic) THEN
134               fq_fonte = MAX((tsurf_new(i)-RTT) / chaice, 0.)               fq_fonte = MAX((tsurf_new(i) - RTT) / chaice, 0.)
135               ffonte(i) = ffonte(i) + fq_fonte * RLMLT / dtime               ffonte(i) = ffonte(i) + fq_fonte * RLMLT / dtime
136               bil_eau_s(i) = bil_eau_s(i) + fq_fonte               bil_eau_s(i) = bil_eau_s(i) + fq_fonte
137               tsurf_new(i) = RTT               tsurf_new(i) = RTT
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