30 |
! dimension de la grille physique (= nb_pts_latitude X nb_pts_longitude) |
! dimension de la grille physique (= nb_pts_latitude X nb_pts_longitude) |
31 |
|
|
32 |
INTEGER, intent(in) :: knon, nsrf |
INTEGER, intent(in) :: knon, nsrf |
33 |
LOGICAL, intent(in) :: zxli |
|
34 |
|
! Fonctions thermodynamiques et fonctions d'instabilite |
35 |
|
LOGICAL, intent(in) :: zxli ! utiliser un jeu de fonctions simples |
36 |
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37 |
REAL, intent(in), dimension(klon) :: u, v, t, q |
REAL, intent(in), dimension(klon) :: u, v, t, q |
38 |
REAL, intent(in):: zgeop(klon) ! géopotentiel au 1er niveau du modèle |
REAL, intent(in):: zgeop(klon) ! géopotentiel au 1er niveau du modèle |
39 |
REAL, intent(in), dimension(klon) :: ts, qsurf |
REAL, intent(in), dimension(klon) :: ts, qsurf |
53 |
REAL, dimension(klon) :: zcdn |
REAL, dimension(klon) :: zcdn |
54 |
REAL, dimension(klon) :: zri |
REAL, dimension(klon) :: zri |
55 |
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|
|
! Fonctions thermodynamiques et fonctions d'instabilite |
|
|
REAL :: fsta, fins, x |
|
|
fsta(x) = 1.0 / (1.0+10.0*x*(1+8.0*x)) |
|
|
fins(x) = SQRT(1.0-18.0*x) |
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|
56 |
!-------------------------------------------------------------------- |
!-------------------------------------------------------------------- |
57 |
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|
58 |
! Calculer le frottement au sol (Cdrag) |
! Calculer le frottement au sol (Cdrag) |
68 |
IF (zri(i) .gt. 0.) THEN |
IF (zri(i) .gt. 0.) THEN |
69 |
! situation stable |
! situation stable |
70 |
zri(i) = min(20.,zri(i)) |
zri(i) = min(20.,zri(i)) |
71 |
IF (.NOT.zxli) THEN |
IF (.NOT. zxli) THEN |
72 |
zscf = SQRT(1.+cd*ABS(zri(i))) |
zscf = SQRT(1.+cd*ABS(zri(i))) |
73 |
FRIV = AMAX1(1. / (1.+2.*CB*zri(i)/ZSCF), 0.1) |
FRIV = AMAX1(1. / (1.+2.*CB*zri(i)/ZSCF), 0.1) |
74 |
zcfm1(i) = zcdn(i) * FRIV |
zcfm1(i) = zcdn(i) * FRIV |
82 |
ENDIF |
ENDIF |
83 |
ELSE |
ELSE |
84 |
! situation instable |
! situation instable |
85 |
IF (.NOT.zxli) THEN |
IF (.NOT. zxli) THEN |
86 |
zucf = 1./(1.+3.0*cb*cc*zcdn(i)*SQRT(ABS(zri(i)) & |
zucf = 1./(1.+3.0*cb*cc*zcdn(i)*SQRT(ABS(zri(i)) & |
87 |
*(1.0+zgeop(i)/(RG*rugos(i))))) |
*(1.0+zgeop(i)/(RG*rugos(i))))) |
88 |
zcfm2(i) = zcdn(i)*amax1((1.-2.0*cb*zri(i)*zucf),0.1) |
zcfm2(i) = zcdn(i)*amax1((1.-2.0*cb*zri(i)*zucf),0.1) |
99 |
ENDIF |
ENDIF |
100 |
END DO |
END DO |
101 |
|
|
102 |
|
contains |
103 |
|
|
104 |
|
! Fonctions thermodynamiques et fonctions d'instabilite |
105 |
|
|
106 |
|
function fsta(x) |
107 |
|
REAL fsta |
108 |
|
real, intent(in):: x |
109 |
|
fsta = 1.0 / (1.0+10.0*x*(1+8.0*x)) |
110 |
|
end function fsta |
111 |
|
|
112 |
|
!******************************************************* |
113 |
|
|
114 |
|
function fins(x) |
115 |
|
REAL fins |
116 |
|
real, intent(in):: x |
117 |
|
fins = SQRT(1.0-18.0*x) |
118 |
|
end function fins |
119 |
|
|
120 |
END SUBROUTINE clcdrag |
END SUBROUTINE clcdrag |