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SUBROUTINE calbeta(dtime, indice, knon, snow, qsol, vbeta, vcal, vdif) |
module calbeta_m |
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USE dimens_m |
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USE indicesol |
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USE dimphy |
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USE conf_gcm_m |
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USE suphec_m |
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IMPLICIT NONE |
IMPLICIT NONE |
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! ====================================================================== |
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! Auteur(s): Z.X. Li (LMD/CNRS) (adaptation du GCM du LMD) |
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! date: 19940414 |
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! ====================================================================== |
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! Calculer quelques parametres pour appliquer la couche limite |
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! ------------------------------------------------------------ |
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REAL tau_gl ! temps de relaxation pour la glace de mer |
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! cc PARAMETER (tau_gl=86400.0*30.0) |
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PARAMETER (tau_gl=86400.0*5.0) |
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REAL mx_eau_sol |
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PARAMETER (mx_eau_sol=150.0) |
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REAL calsol, calsno, calice ! epaisseur du sol: 0.15 m |
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PARAMETER (calsol=1.0/(2.5578E+06*0.15)) |
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PARAMETER (calsno=1.0/(2.3867E+06*0.15)) |
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PARAMETER (calice=1.0/(5.1444E+06*0.15)) |
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INTEGER i |
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REAL dtime |
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REAL snow(klon), qsol(klon) |
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INTEGER indice, knon |
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REAL vbeta(klon) |
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REAL vcal(klon) |
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REAL vdif(klon) |
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IF (indice==is_oce) THEN |
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DO i = 1, knon |
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vcal(i) = 0.0 |
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vbeta(i) = 1.0 |
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vdif(i) = 0.0 |
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END DO |
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END IF |
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IF (indice==is_sic) THEN |
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DO i = 1, knon |
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vcal(i) = calice |
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IF (snow(i)>0.0) vcal(i) = calsno |
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vbeta(i) = 1.0 |
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vdif(i) = 1.0/tau_gl |
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! cc vdif(i) = calice/tau_gl ! c'etait une erreur |
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END DO |
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END IF |
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IF (indice==is_ter) THEN |
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DO i = 1, knon |
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vcal(i) = calsol |
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IF (snow(i)>0.0) vcal(i) = calsno |
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vbeta(i) = min(2.0*qsol(i)/mx_eau_sol, 1.0) |
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vdif(i) = 0.0 |
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END DO |
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END IF |
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IF (indice==is_lic) THEN |
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DO i = 1, knon |
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vcal(i) = calice |
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IF (snow(i)>0.0) vcal(i) = calsno |
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vbeta(i) = 1.0 |
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vdif(i) = 0.0 |
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END DO |
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END IF |
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RETURN |
contains |
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END SUBROUTINE calbeta |
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SUBROUTINE calbeta(indice, snow, qsol, vbeta, vcal, vdif) |
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! Author: Z. X. Li (LMD/CNRS) |
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! Date: April 14th, 1994 |
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! Calcul de quelques paramètres pour appliquer la couche limite. |
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USE indicesol, ONLY: is_lic, is_oce, is_sic, is_ter |
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INTEGER, intent(in):: indice |
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REAL, intent(in):: snow(:), qsol(:) ! (knon) |
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REAL, intent(out):: vbeta(:), vcal(:), vdif(:) ! (knon) |
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! Local: |
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REAL, PARAMETER:: tau_gl = 86400. * 5. |
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! temps de relaxation pour la glace de mer |
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REAL, PARAMETER:: max_eau_sol = 150. ! in kg m-2 |
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! Pour une épaisseur du sol de 15 cm : |
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REAL, PARAMETER:: calsol = 1. / (2.5578E6 * 0.15) |
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REAL, PARAMETER:: calsno = 1. / (2.3867E6 * 0.15) |
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REAL, PARAMETER:: calice = 1. / (5.1444E6 * 0.15) |
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!------------------------------------------------------------ |
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select case (indice) |
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case(is_oce) |
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vbeta = 1. |
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vcal = 0. |
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vdif = 0. |
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case (is_sic) |
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vbeta = 1. |
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vcal = merge(calsno, calice, snow > 0.) |
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vdif = 1. / tau_gl |
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case (is_ter) |
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vbeta = min(2. * qsol / max_eau_sol, 1.) |
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vcal = merge(calsno, calsol, snow > 0.) |
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vdif = 0. |
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case (is_lic) |
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vbeta = 1. |
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vcal = merge(calsno, calice, snow > 0.) |
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vdif = 0. |
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END select |
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END SUBROUTINE calbeta |
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end module calbeta_m |
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