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module calfis_m |
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IMPLICIT NONE |
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contains |
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SUBROUTINE calfis(dayvrai, time, ucov, vcov, teta, q, pk, phis, phi, w, & |
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dufi, dvfi, dtetafi, dqfi, lafin) |
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! From dyn3d/calfis.F, version 1.3, 2005/05/25 13:10:09 |
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! Authors: P. Le Van, F. Hourdin |
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|
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! 1. R\'earrangement des tableaux et transformation des variables |
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! dynamiques en variables physiques |
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|
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! 2. Calcul des tendances physiques |
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! 3. Retransformation des tendances physiques en tendances dynamiques |
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! Remarques: |
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|
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! - Les vents sont donn\'es dans la physique par leurs composantes |
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! naturelles. |
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|
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! - La variable thermodynamique de la physique est une variable |
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! intensive : T. |
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! Pour la dynamique on prend T * (preff / p)**kappa |
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|
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! - Les deux seules variables d\'ependant de la g\'eom\'etrie |
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! n\'ecessaires pour la physique sont la latitude (pour le |
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! rayonnement) et l'aire de la maille (quand on veut int\'egrer une |
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! grandeur horizontalement). |
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use comconst, only: kappa, cpp, dtphys, g |
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use comgeom, only: apoln, cu_2d, cv_2d, unsaire_2d, apols, rlonu, rlonv |
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use dimens_m, only: iim, jjm, llm, nqmx |
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use dimphy, only: klon |
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use disvert_m, only: preff |
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use grid_change, only: dyn_phy, gr_fi_dyn |
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use nr_util, only: pi |
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use physiq_m, only: physiq |
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use pressure_var, only: p3d, pls |
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integer, intent(in):: dayvrai |
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! current day number, based at value 1 on January 1st of annee_ref |
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REAL, intent(in):: time ! time of day, as a fraction of day length |
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REAL, intent(in):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) |
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! covariant zonal velocity |
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REAL, intent(in):: vcov(:, :, :) ! (iim + 1, jjm, llm) |
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!covariant meridional velocity |
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REAL, intent(in):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
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! potential temperature |
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REAL, intent(in):: q(:, :, :, :) ! (iim + 1, jjm + 1, llm, nqmx) |
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! mass fractions of advected fields |
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|
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REAL, intent(in):: pk(:, :, :) ! (iim + 1, jjm + 1, llm) |
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! Exner = cp * (p / preff)**kappa |
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REAL, intent(in):: phis(:, :) ! (iim + 1, jjm + 1) |
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REAL, intent(in):: phi(:, :, :) ! (iim + 1, jjm + 1, llm) |
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REAL, intent(in):: w(:, :, :) ! (iim + 1, jjm + 1, llm) in kg / s |
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REAL, intent(out):: dufi(:, :, :) ! (iim + 1, jjm + 1, llm) |
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! tendency for the covariant zonal velocity (m2 s-2) |
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REAL, intent(out):: dvfi(:, :, :) ! (iim + 1, jjm, llm) |
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! tendency for the natural meridional velocity |
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REAL, intent(out):: dtetafi(:, :, :) ! (iim + 1, jjm + 1, llm) |
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! tendency for the potential temperature |
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REAL, intent(out):: dqfi(:, :, :, :) ! (iim + 1, jjm + 1, llm, nqmx) |
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LOGICAL, intent(in):: lafin |
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|
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! Local: |
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INTEGER i, j, l, ig0, iq |
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REAL paprs(klon, llm + 1) ! aux interfaces des couches |
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REAL play(klon, llm) ! aux milieux des couches |
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REAL pphi(klon, llm), pphis(klon) |
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REAL u(klon, llm), v(klon, llm) |
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real zvfi(iim + 1, jjm + 1, llm) |
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REAL t(klon, llm) ! temperature, in K |
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real qx(klon, llm, nqmx) ! mass fractions of advected fields |
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REAL omega(klon, llm) |
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REAL d_u(klon, llm), d_v(klon, llm) ! tendances physiques du vent (m s-2) |
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REAL d_t(klon, llm), d_qx(klon, llm, nqmx) |
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REAL z1(iim) |
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REAL pksurcp(iim + 1, jjm + 1) |
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!----------------------------------------------------------------------- |
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!!print *, "Call sequence information: calfis" |
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! 40. Transformation des variables dynamiques en variables physiques : |
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! 42. Pression intercouches : |
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forall (l = 1: llm + 1) paprs(:, l) = pack(p3d(:, :, l), dyn_phy) |
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! 43. Température et pression milieu couche |
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DO l = 1, llm |
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pksurcp = pk(:, :, l) / cpp |
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pls(:, :, l) = preff * pksurcp**(1./ kappa) |
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play(:, l) = pack(pls(:, :, l), dyn_phy) |
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t(:, l) = pack(teta(:, :, l) * pksurcp, dyn_phy) |
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ENDDO |
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! 43.bis Traceurs : |
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forall (iq = 1: nqmx, l = 1: llm) & |
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qx(:, l, iq) = pack(q(:, :, l, iq), dyn_phy) |
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! Geopotentiel calcule par rapport a la surface locale : |
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forall (l = 1 :llm) pphi(:, l) = pack(phi(:, :, l), dyn_phy) |
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pphis = pack(phis, dyn_phy) |
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forall (l = 1: llm) pphi(:, l) = pphi(:, l) - pphis |
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! Calcul de la vitesse verticale : |
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forall (l = 1: llm) |
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omega(1, l) = w(1, 1, l) * g / apoln |
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omega(2: klon - 1, l) & |
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= pack(w(:iim, 2: jjm, l) * g * unsaire_2d(:iim, 2: jjm), .true.) |
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omega(klon, l) = w(1, jjm + 1, l) * g / apols |
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END forall |
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! 45. champ u: |
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DO l = 1, llm |
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DO j = 2, jjm |
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ig0 = 1 + (j - 2) * iim |
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u(ig0 + 1, l) = 0.5 & |
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* (ucov(iim, j, l) / cu_2d(iim, j) + ucov(1, j, l) / cu_2d(1, j)) |
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DO i = 2, iim |
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u(ig0 + i, l) = 0.5 * (ucov(i - 1, j, l) / cu_2d(i - 1, j) & |
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+ ucov(i, j, l) / cu_2d(i, j)) |
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end DO |
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end DO |
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end DO |
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! 46.champ v: |
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forall (j = 2: jjm, l = 1: llm) zvfi(:iim, j, l) = 0.5 & |
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* (vcov(:iim, j - 1, l) / cv_2d(:iim, j - 1) & |
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+ vcov(:iim, j, l) / cv_2d(:iim, j)) |
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zvfi(iim + 1, 2:jjm, :) = zvfi(1, 2:jjm, :) |
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! 47. champs de vents au p\^ole nord |
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! U = 1 / pi * integrale [ v * cos(long) * d long ] |
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! V = 1 / pi * integrale [ v * sin(long) * d long ] |
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DO l = 1, llm |
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z1(1) = (rlonu(1) - rlonu(iim) + 2. * pi) * vcov(1, 1, l) / cv_2d(1, 1) |
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DO i = 2, iim |
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z1(i) = (rlonu(i) - rlonu(i - 1)) * vcov(i, 1, l) / cv_2d(i, 1) |
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ENDDO |
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u(1, l) = SUM(COS(rlonv(:iim)) * z1) / pi |
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zvfi(:, 1, l) = SUM(SIN(rlonv(:iim)) * z1) / pi |
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ENDDO |
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! 48. champs de vents au p\^ole sud: |
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! U = 1 / pi * integrale [ v * cos(long) * d long ] |
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! V = 1 / pi * integrale [ v * sin(long) * d long ] |
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DO l = 1, llm |
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z1(1) = (rlonu(1) - rlonu(iim) + 2. * pi) * vcov(1, jjm, l) & |
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/cv_2d(1, jjm) |
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DO i = 2, iim |
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z1(i) = (rlonu(i) - rlonu(i - 1)) * vcov(i, jjm, l) / cv_2d(i, jjm) |
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ENDDO |
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u(klon, l) = SUM(COS(rlonv(:iim)) * z1) / pi |
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zvfi(:, jjm + 1, l) = SUM(SIN(rlonv(:iim)) * z1) / pi |
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ENDDO |
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forall(l = 1: llm) v(:, l) = pack(zvfi(:, :, l), dyn_phy) |
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! Appel de la physique : |
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CALL physiq(lafin, dayvrai, time, dtphys, paprs, play, pphi, pphis, u, & |
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v, t, qx, omega, d_u, d_v, d_t, d_qx) |
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! transformation des tendances physiques en tendances dynamiques: |
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! 62. enthalpie potentielle |
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do l = 1, llm |
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dtetafi(:, :, l) = cpp * gr_fi_dyn(d_t(:, l)) / pk(:, :, l) |
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end do |
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! 63. traceurs |
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DO iq = 1, nqmx |
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DO l = 1, llm |
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DO i = 1, iim + 1 |
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dqfi(i, 1, l, iq) = d_qx(1, l, iq) |
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dqfi(i, jjm + 1, l, iq) = d_qx(klon, l, iq) |
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ENDDO |
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DO j = 2, jjm |
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ig0 = 1 + (j - 2) * iim |
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DO i = 1, iim |
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dqfi(i, j, l, iq) = d_qx(ig0 + i, l, iq) |
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ENDDO |
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dqfi(iim + 1, j, l, iq) = dqfi(1, j, l, iq) |
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ENDDO |
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ENDDO |
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ENDDO |
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! 65. champ u: |
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DO l = 1, llm |
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DO i = 1, iim + 1 |
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dufi(i, 1, l) = 0. |
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dufi(i, jjm + 1, l) = 0. |
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ENDDO |
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DO j = 2, jjm |
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ig0 = 1 + (j - 2) * iim |
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DO i = 1, iim - 1 |
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dufi(i, j, l) = 0.5 * (d_u(ig0 + i, l) + d_u(ig0 + i+1, l)) & |
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* cu_2d(i, j) |
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ENDDO |
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dufi(iim, j, l) = 0.5 * (d_u(ig0 + 1, l) + d_u(ig0 + iim, l)) & |
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* cu_2d(iim, j) |
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dufi(iim + 1, j, l) = dufi(1, j, l) |
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ENDDO |
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ENDDO |
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! 67. champ v: |
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DO l = 1, llm |
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DO j = 2, jjm - 1 |
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ig0 = 1 + (j - 2) * iim |
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DO i = 1, iim |
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dvfi(i, j, l) = 0.5 * (d_v(ig0 + i, l) + d_v(ig0 + i+iim, l)) & |
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* cv_2d(i, j) |
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ENDDO |
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dvfi(iim + 1, j, l) = dvfi(1, j, l) |
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ENDDO |
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ENDDO |
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! 68. champ v pr\`es des p\^oles: |
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! v = U * cos(long) + V * SIN(long) |
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DO l = 1, llm |
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DO i = 1, iim |
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dvfi(i, 1, l) = d_u(1, l) * COS(rlonv(i)) + d_v(1, l) * SIN(rlonv(i)) |
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dvfi(i, jjm, l) = d_u(klon, l) * COS(rlonv(i)) & |
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+ d_v(klon, l) * SIN(rlonv(i)) |
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dvfi(i, 1, l) = 0.5 * (dvfi(i, 1, l) + d_v(i + 1, l)) * cv_2d(i, 1) |
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dvfi(i, jjm, l) = 0.5 & |
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* (dvfi(i, jjm, l) + d_v(klon - iim - 1 + i, l)) * cv_2d(i, jjm) |
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ENDDO |
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dvfi(iim + 1, 1, l) = dvfi(1, 1, l) |
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dvfi(iim + 1, jjm, l) = dvfi(1, jjm, l) |
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ENDDO |
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END SUBROUTINE calfis |
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end module calfis_m |