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module bilan_dyn_m |
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|
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IMPLICIT NONE |
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|
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contains |
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|
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SUBROUTINE bilan_dyn(ps, masse, pk, flux_u, flux_v, teta, phi, ucov, vcov, & |
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trac) |
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! From LMDZ4/libf/dyn3d/bilan_dyn.F, version 1.5 2005/03/16 10:12:17 |
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|
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! Sous-programme consacré à des diagnostics dynamiques de base. |
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! De façon générale, les moyennes des scalaires Q sont pondérées |
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! par la masse. Les flux de masse sont, eux, simplement moyennés. |
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|
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USE comconst, ONLY: cpp |
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USE comgeom, ONLY: constang_2d, cu_2d, cv_2d |
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USE dimens_m, ONLY: iim, jjm, llm |
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USE histwrite_m, ONLY: histwrite |
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use init_dynzon_m, only: ncum, fileid, znom, ntr, nq, nom |
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USE paramet_m, ONLY: iip1, jjp1 |
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|
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real, intent(in):: ps(iip1, jjp1) |
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real, intent(in):: masse(iip1, jjp1, llm), pk(iip1, jjp1, llm) |
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real, intent(in):: flux_u(iip1, jjp1, llm) |
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real, intent(in):: flux_v(iip1, jjm, llm) |
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real, intent(in):: teta(iip1, jjp1, llm) |
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real, intent(in):: phi(iip1, jjp1, llm) |
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real, intent(in):: ucov(:, :, :) ! (iip1, jjp1, llm) |
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real, intent(in):: vcov(iip1, jjm, llm) |
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real, intent(in):: trac(:, :, :) ! (iim + 1, jjm + 1, llm) |
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|
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! Local: |
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|
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integer:: icum = 0 |
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integer:: itau = 0 |
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real qy, factv(jjm, llm) |
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|
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! Variables dynamiques intermédiaires |
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REAL vcont(iip1, jjm, llm), ucont(iip1, jjp1, llm) |
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REAL ang(iip1, jjp1, llm), unat(iip1, jjp1, llm) |
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REAL massebx(iip1, jjp1, llm), masseby(iip1, jjm, llm) |
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REAL ecin(iip1, jjp1, llm) |
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|
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! Champ contenant les scalaires advectés |
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real Q(iip1, jjp1, llm, nQ) |
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|
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! Champs cumulés |
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real, save:: ps_cum(iip1, jjp1) |
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real, save:: masse_cum(iip1, jjp1, llm) |
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real, save:: flux_u_cum(iip1, jjp1, llm) |
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real, save:: flux_v_cum(iip1, jjm, llm) |
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real, save:: Q_cum(iip1, jjp1, llm, nQ) |
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real, save:: flux_uQ_cum(iip1, jjp1, llm, nQ) |
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real, save:: flux_vQ_cum(iip1, jjm, llm, nQ) |
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|
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! champs de tansport en moyenne zonale |
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integer itr |
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integer, parameter:: iave = 1, itot = 2, immc = 3, itrs = 4, istn = 5 |
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|
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real vq(jjm, llm, ntr, nQ), vqtmp(jjm, llm) |
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real avq(jjm, 2: ntr, nQ), psiQ(jjm, llm + 1, nQ) |
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real zmasse(jjm, llm) |
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real v(jjm, llm), psi(jjm, llm + 1) |
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integer i, j, l, iQ |
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|
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!----------------------------------------------------------------- |
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|
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! Calcul des champs dynamiques |
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|
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! Énergie cinétique |
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ucont = 0 |
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CALL covcont(llm, ucov, vcov, ucont, vcont) |
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CALL enercin(vcov, ucov, vcont, ucont, ecin) |
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|
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! moment cinétique |
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forall (l = 1: llm) |
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ang(:, :, l) = ucov(:, :, l) + constang_2d |
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unat(:, :, l) = ucont(:, :, l) * cu_2d |
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end forall |
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|
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Q(:, :, :, 1) = teta * pk / cpp |
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Q(:, :, :, 2) = phi |
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Q(:, :, :, 3) = ecin |
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Q(:, :, :, 4) = ang |
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Q(:, :, :, 5) = unat |
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Q(:, :, :, 6) = trac |
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Q(:, :, :, 7) = 1. |
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|
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! Cumul |
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|
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if (icum == 0) then |
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ps_cum = 0. |
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masse_cum = 0. |
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flux_u_cum = 0. |
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flux_v_cum = 0. |
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Q_cum = 0. |
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flux_vQ_cum = 0. |
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flux_uQ_cum = 0. |
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endif |
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|
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itau = itau + 1 |
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icum = icum + 1 |
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|
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! Accumulation des flux de masse horizontaux |
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ps_cum = ps_cum + ps |
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masse_cum = masse_cum + masse |
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flux_u_cum = flux_u_cum + flux_u |
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flux_v_cum = flux_v_cum + flux_v |
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forall (iQ = 1: nQ) Q_cum(:, :, :, iQ) = Q_cum(:, :, :, iQ) & |
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+ Q(:, :, :, iQ) * masse |
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|
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! Flux longitudinal |
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forall (iQ = 1: nQ, i = 1: iim) flux_uQ_cum(i, :, :, iQ) & |
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= flux_uQ_cum(i, :, :, iQ) & |
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+ flux_u(i, :, :) * 0.5 * (Q(i, :, :, iQ) + Q(i + 1, :, :, iQ)) |
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flux_uQ_cum(iip1, :, :, :) = flux_uQ_cum(1, :, :, :) |
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|
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! Flux méridien |
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forall (iQ = 1: nQ, j = 1: jjm) flux_vQ_cum(:, j, :, iQ) & |
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= flux_vQ_cum(:, j, :, iQ) & |
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+ flux_v(:, j, :) * 0.5 * (Q(:, j, :, iQ) + Q(:, j + 1, :, iQ)) |
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|
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writing_step: if (icum == ncum) then |
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! Normalisation |
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forall (iQ = 1: nQ) Q_cum(:, :, :, iQ) = Q_cum(:, :, :, iQ) / masse_cum |
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ps_cum = ps_cum / ncum |
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masse_cum = masse_cum / ncum |
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flux_u_cum = flux_u_cum / ncum |
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flux_v_cum = flux_v_cum / ncum |
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flux_uQ_cum = flux_uQ_cum / ncum |
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flux_vQ_cum = flux_vQ_cum / ncum |
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|
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! Transport méridien |
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|
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! Cumul zonal des masses des mailles |
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v = 0. |
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zmasse = 0. |
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call massbar(masse_cum, massebx, masseby) |
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do l = 1, llm |
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do j = 1, jjm |
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do i = 1, iim |
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zmasse(j, l) = zmasse(j, l) + masseby(i, j, l) |
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v(j, l) = v(j, l) + flux_v_cum(i, j, l) |
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enddo |
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factv(j, l) = cv_2d(1, j) / zmasse(j, l) |
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enddo |
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enddo |
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|
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! Transport dans le plan latitude-altitude |
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|
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vq = 0. |
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psiQ = 0. |
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do iQ = 1, nQ |
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vqtmp = 0. |
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do l = 1, llm |
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do j = 1, jjm |
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! Calcul des moyennes zonales du transport total et de vqtmp |
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do i = 1, iim |
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vq(j, l, itot, iQ) = vq(j, l, itot, iQ) & |
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+ flux_vQ_cum(i, j, l, iQ) |
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qy = 0.5 * (Q_cum(i, j, l, iQ) * masse_cum(i, j, l) & |
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+ Q_cum(i, j + 1, l, iQ) * masse_cum(i, j + 1, l)) |
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vqtmp(j, l) = vqtmp(j, l) + flux_v_cum(i, j, l) * qy & |
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/ (0.5 * (masse_cum(i, j, l) + masse_cum(i, j + 1, l))) |
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vq(j, l, iave, iQ) = vq(j, l, iave, iQ) + qy |
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enddo |
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! Decomposition |
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vq(j, l, iave, iQ) = vq(j, l, iave, iQ) / zmasse(j, l) |
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vq(j, l, itot, iQ) = vq(j, l, itot, iQ) * factv(j, l) |
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vqtmp(j, l) = vqtmp(j, l) * factv(j, l) |
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vq(j, l, immc, iQ) = v(j, l) * vq(j, l, iave, iQ) * factv(j, l) |
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vq(j, l, itrs, iQ) = vq(j, l, itot, iQ) - vqtmp(j, l) |
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vq(j, l, istn, iQ) = vqtmp(j, l) - vq(j, l, immc, iQ) |
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enddo |
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enddo |
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! Fonction de courant méridienne pour la quantité Q |
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do l = llm, 1, -1 |
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do j = 1, jjm |
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psiQ(j, l, iQ) = psiQ(j, l + 1, iQ) + vq(j, l, itot, iQ) |
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enddo |
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enddo |
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enddo |
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|
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! Fonction de courant pour la circulation méridienne moyenne |
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psi = 0. |
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do l = llm, 1, -1 |
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do j = 1, jjm |
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psi(j, l) = psi(j, l + 1) + v(j, l) |
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v(j, l) = v(j, l) * factv(j, l) |
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enddo |
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enddo |
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|
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! Sorties proprement dites |
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do iQ = 1, nQ |
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do itr = 1, ntr |
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call histwrite(fileid, znom(itr, iQ), itau, vq(:, :, itr, iQ)) |
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enddo |
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call histwrite(fileid, 'psi' // nom(iQ), itau, psiQ(:, :llm, iQ)) |
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enddo |
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|
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call histwrite(fileid, 'masse', itau, zmasse) |
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call histwrite(fileid, 'v', itau, v) |
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psi = psi * 1e-9 |
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call histwrite(fileid, 'psi', itau, psi(:, :llm)) |
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|
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! Intégrale verticale |
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|
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forall (iQ = 1: nQ, itr = 2: ntr) avq(:, itr, iQ) & |
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= sum(vq(:, :, itr, iQ) * zmasse, dim=2) / cv_2d(1, :) |
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|
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do iQ = 1, nQ |
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do itr = 2, ntr |
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call histwrite(fileid, 'a' // znom(itr, iQ), itau, avq(:, itr, iQ)) |
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enddo |
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enddo |
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|
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icum = 0 |
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endif writing_step |
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|
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end SUBROUTINE bilan_dyn |
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|
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end module bilan_dyn_m |
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