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module conflx_m |
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IMPLICIT none |
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contains |
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SUBROUTINE conflx(pres_h, pres_f, t, q, con_t, con_q, qhfl, omega, d_t, d_q, & |
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rain, snow, mfu, mfd, pen_u, pde_u, pen_d, pde_d, kcbot, kctop, kdtop, & |
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pmflxr, pmflxs) |
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! From LMDZ4/libf/phylmd/conflx.F, version 1.1.1.1 2004/05/19 12:53:08 |
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! Author: Z. X. Li (LMD/CNRS) |
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! Date: 1994/10/14 |
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! Objet: schéma en flux de masse pour la convection (schéma de |
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! Tiedtke avec quelques modifications mineures) |
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! Décembre 1997 : prise en compte des modifications introduites |
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! par Olivier Boucher et Alexandre Armengaud pour le mélange et le |
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! lessivage des traceurs passifs. |
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use comconst, only: dtphys |
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USE dimphy, ONLY: klev, klon |
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USE fcttre, ONLY: foeew |
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use flxmain_m, only: flxmain |
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USE suphec_m, ONLY: rd, retv, rtt |
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USE yoethf_m, ONLY: r2es |
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REAL, intent(in):: pres_h(:, :) ! (klon, klev + 1) pression half-level (Pa) |
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REAL, intent(in):: pres_f(:, :) ! (klon, klev) pression full-level (Pa) |
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REAL, intent(in):: t(:, :) ! (klon, klev) temperature (K) |
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REAL, intent(in):: q(:, :) ! (klon, klev) humidité spécifique (no dimension) |
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REAL, intent(in):: con_t(:, :) |
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! (klon, klev) convergence de temperature (K/s) |
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REAL, intent(in):: con_q(:, :) |
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! (klon, klev) convergence de l'eau vapeur (g/g/s) |
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REAL, intent(in):: qhfl(:) ! (klon) evaporation (negative vers haut) mm/s |
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REAL, intent(in):: omega(:, :) ! (klon, klev) vitesse verticale (Pa/s) |
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REAL, intent(out):: d_t(:, :) ! (klon, klev) incrementation de temperature |
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REAL, intent(out):: d_q(:, :) ! (klon, klev) incrementation d'humidite |
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REAL, intent(out):: rain(:) ! (klon) pluie (mm/s) |
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REAL, intent(out):: snow(:) ! (klon) neige (mm/s) |
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REAL, intent(out):: mfu(:, :) ! (klon, klev) |
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! flux de masse (kg/m2/s) panache ascendant |
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REAL, intent(out):: mfd(:, :) ! (klon, klev) |
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! flux de masse (kg/m2/s) panache descendant |
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REAL, intent(out):: pen_u(:, :) ! (klon, klev) |
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REAL, intent(out):: pde_u(:, :) ! (klon, klev) |
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REAL, intent(out):: pen_d(:, :) ! (klon, klev) |
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REAL, intent(out):: pde_d(:, :) ! (klon, klev) |
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INTEGER, intent(out):: kcbot(:) ! (klon) niveau du bas de la convection |
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INTEGER, intent(out):: kctop(:) ! (klon) niveau du haut de la convection |
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INTEGER, intent(out):: kdtop(:) ! (klon) niveau du haut des downdrafts |
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REAL, intent(out):: pmflxr(:, :) ! (klon, klev + 1) |
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REAL, intent(out):: pmflxs(:, :) ! (klon, klev + 1) |
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! Local: |
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REAL qsen(klon, klev) |
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REAL pvervel(klon, klev) |
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LOGICAL land(klon) |
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REAL d_t_bis(klon, klev) |
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REAL d_q_bis(klon, klev) |
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REAL paprs(klon, klev + 1) |
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REAL paprsf(klon, klev) |
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REAL zgeom(klon, klev) |
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REAL zcvgq(klon, klev) |
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REAL zcvgt(klon, klev) |
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REAL zen_u(klon, klev) |
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REAL zen_d(klon, klev) |
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REAL zde_u(klon, klev) |
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REAL zde_d(klon, klev) |
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REAL zmflxr(klon, klev + 1) |
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REAL zmflxs(klon, klev + 1) |
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INTEGER i, k |
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REAL zqsat |
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!-------------------------------------------------------------------- |
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! Initialiser les variables de sortie (pour securité): |
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rain = 0. |
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snow = 0. |
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kcbot = 0 |
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kctop = 0 |
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kdtop = 0 |
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d_t = 0. |
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d_q = 0. |
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zen_u = 0. |
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zde_u = 0. |
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zen_d = 0. |
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zde_d = 0. |
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zmflxr = 0. |
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zmflxs = 0. |
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! Calculer la nature du sol (pour l'instant, océan partout): |
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land = .FALSE. |
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! Préparer les variables d'entrée (attention: l'indice des niveaux |
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! verticaux augmente du haut vers le bas) : |
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DO k = 1, klev |
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DO i = 1, klon |
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paprsf(i, k) = pres_f(i, klev-k + 1) |
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paprs(i, k) = pres_h(i, klev + 1-k + 1) |
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pvervel(i, k) = omega(i, klev + 1-k) |
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zcvgt(i, k) = con_t(i, klev-k + 1) |
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zcvgq(i, k) = con_q(i, klev-k + 1) |
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zqsat = MIN(0.5, R2ES * FOEEW(t(i, k), rtt >= t(i, k)) & |
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/ paprsf(i, k)) |
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qsen(i, k) = zqsat / (1. - RETV * zqsat) |
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ENDDO |
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ENDDO |
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DO i = 1, klon |
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paprs(i, klev + 1) = pres_h(i, 1) |
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zgeom(i, klev) = RD * t(i, klev) & |
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/ (0.5*(paprs(i, klev + 1) + paprsf(i, klev))) & |
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* (paprs(i, klev + 1)-paprsf(i, klev)) |
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ENDDO |
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DO k = klev-1, 1, -1 |
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DO i = 1, klon |
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zgeom(i, k) = zgeom(i, k + 1) & |
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+ RD * 0.5*(t(i, k + 1) + t(i, k)) / paprs(i, k + 1) & |
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* (paprsf(i, k + 1)-paprsf(i, k)) |
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ENDDO |
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ENDDO |
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! Appeler la routine principale : |
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CALL flxmain(dtphys, t, q, qsen, qhfl, paprsf, paprs, zgeom, land, & |
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zcvgt, zcvgq, pvervel, rain, snow, kcbot, kctop, kdtop, mfu, mfd, & |
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zen_u, zde_u, zen_d, zde_d, d_t_bis, d_q_bis, zmflxr, zmflxs) |
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! De la même façon que l'on effectue le réindiçage pour la |
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! température t et le champ q, on réindice les flux nécessaires à |
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! la convection des traceurs. |
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DO k = 1, klev |
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DO i = 1, klon |
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d_q(i, klev + 1-k) = dtphys*d_q_bis(i, k) |
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d_t(i, klev + 1-k) = dtphys*d_t_bis(i, k) |
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ENDDO |
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ENDDO |
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mfu = eoshift(mfu, shift=1, dim=2) |
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mfd = eoshift(mfd, shift=1, dim=2) |
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pen_d(:, 1)= 0. |
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pde_d(:, 1)= 0. |
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DO k = 1, klev |
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DO i = 1, klon |
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pen_u(i, klev + 1-k)= zen_u(i, k) |
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pde_u(i, klev + 1-k)= zde_u(i, k) |
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ENDDO |
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ENDDO |
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DO k = 1, klev-1 |
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DO i = 1, klon |
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pen_d(i, klev + 1-k)= -zen_d(i, k + 1) |
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pde_d(i, klev + 1-k)= -zde_d(i, k + 1) |
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ENDDO |
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ENDDO |
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DO k = 1, klev + 1 |
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DO i = 1, klon |
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pmflxr(i, klev + 2-k)= zmflxr(i, k) |
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pmflxs(i, klev + 2-k)= zmflxs(i, k) |
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ENDDO |
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ENDDO |
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END SUBROUTINE conflx |
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end module conflx_m |
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