| 1 |
module diagcld1_m |
| 2 |
|
| 3 |
IMPLICIT none |
| 4 |
|
| 5 |
contains |
| 6 |
|
| 7 |
SUBROUTINE diagcld1(paprs,pplay,rain,snow,kbot,ktop, & |
| 8 |
diafra,dialiq) |
| 9 |
use dimensions |
| 10 |
use dimphy |
| 11 |
use SUPHEC_M |
| 12 |
! |
| 13 |
! Laurent Li (LMD/CNRS), le 12 octobre 1998 |
| 14 |
! (adaptation du code ECMWF) |
| 15 |
! |
| 16 |
! Dans certains cas, le schema pronostique des nuages n'est |
| 17 |
! pas suffisament performant. On a donc besoin de diagnostiquer |
| 18 |
! ces nuages. Je dois avouer que c'est une frustration. |
| 19 |
! |
| 20 |
! |
| 21 |
! Arguments d'entree: |
| 22 |
REAL, intent(in):: paprs(klon,klev+1) ! pression (Pa) a inter-couche |
| 23 |
REAL, intent(in):: pplay(klon,klev) ! pression (Pa) au milieu de couche |
| 24 |
REAL rain(klon) ! pluie convective (kg/m2/s) |
| 25 |
REAL snow(klon) ! neige convective (kg/m2/s) |
| 26 |
INTEGER ktop(klon) ! sommet de la convection |
| 27 |
INTEGER kbot(klon) ! bas de la convection |
| 28 |
! |
| 29 |
! Arguments de sortie: |
| 30 |
REAL diafra(klon,klev) ! fraction nuageuse diagnostiquee |
| 31 |
REAL dialiq(klon,klev) ! eau liquide nuageuse |
| 32 |
! |
| 33 |
! Constantes ajustables: |
| 34 |
REAL CANVA, CANVB, CANVH |
| 35 |
PARAMETER (CANVA=2.0, CANVB=0.3, CANVH=0.4) |
| 36 |
REAL CCA, CCB, CCC |
| 37 |
PARAMETER (CCA=0.125, CCB=1.5, CCC=0.8) |
| 38 |
REAL CCFCT, CCSCAL |
| 39 |
PARAMETER (CCFCT=0.400) |
| 40 |
PARAMETER (CCSCAL=1.0E+11) |
| 41 |
REAL CETAHB |
| 42 |
PARAMETER (CETAHB=0.45) |
| 43 |
REAL CCLWMR |
| 44 |
PARAMETER (CCLWMR=1.E-04) |
| 45 |
REAL ZEPSCR |
| 46 |
PARAMETER (ZEPSCR=1.0E-10) |
| 47 |
! |
| 48 |
! Variables locales: |
| 49 |
INTEGER i, k |
| 50 |
REAL zcc(klon) |
| 51 |
! |
| 52 |
! Initialisation: |
| 53 |
! |
| 54 |
DO k = 1, klev |
| 55 |
DO i = 1, klon |
| 56 |
diafra(i,k) = 0.0 |
| 57 |
dialiq(i,k) = 0.0 |
| 58 |
ENDDO |
| 59 |
ENDDO |
| 60 |
! |
| 61 |
DO i = 1, klon ! Calculer la fraction nuageuse |
| 62 |
zcc(i) = 0.0 |
| 63 |
IF((rain(i)+snow(i)).GT.0.) THEN |
| 64 |
zcc(i)= CCA * LOG(MAX(ZEPSCR,(rain(i)+snow(i))*CCSCAL))-CCB |
| 65 |
zcc(i)= MIN(CCC,MAX(0.0,zcc(i))) |
| 66 |
ENDIF |
| 67 |
ENDDO |
| 68 |
! |
| 69 |
DO i = 1, klon ! pour traiter les enclumes |
| 70 |
diafra(i,ktop(i)) = MAX(diafra(i,ktop(i)),zcc(i)*CCFCT) |
| 71 |
IF ((zcc(i).GE.CANVH) .AND. & |
| 72 |
(pplay(i,ktop(i)).LE.CETAHB*paprs(i,1))) & |
| 73 |
diafra(i,ktop(i)) = MAX(diafra(i,ktop(i)), & |
| 74 |
MAX(zcc(i)*CCFCT,CANVA*(zcc(i)-CANVB))) |
| 75 |
dialiq(i,ktop(i))=CCLWMR*diafra(i,ktop(i)) |
| 76 |
ENDDO |
| 77 |
! |
| 78 |
DO k = 1, klev ! nuages convectifs (sauf enclumes) |
| 79 |
DO i = 1, klon |
| 80 |
IF (k.LT.ktop(i) .AND. k.GE.kbot(i)) THEN |
| 81 |
diafra(i,k)=MAX(diafra(i,k),zcc(i)*CCFCT) |
| 82 |
dialiq(i,k)=CCLWMR*diafra(i,k) |
| 83 |
ENDIF |
| 84 |
ENDDO |
| 85 |
ENDDO |
| 86 |
|
| 87 |
END SUBROUTINE diagcld1 |
| 88 |
|
| 89 |
end module diagcld1_m |
Parent Directory
| 
Revision Log