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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, dt_app) |
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|
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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 calendar, ONLY: ymds2ju |
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USE conf_gcm_m, ONLY: day_step, iperiod, periodav |
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USE comconst, ONLY: cpp |
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USE comvert, ONLY: presnivs |
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USE comgeom, ONLY: constang_2d, cu_2d, cv_2d, rlatv |
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USE dimens_m, ONLY: iim, jjm, llm |
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USE histcom, ONLY: histbeg_totreg, histdef, histend, histvert |
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USE histwrite_m, ONLY: histwrite |
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USE nr_util, ONLY: pi |
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USE paramet_m, ONLY: iip1, jjp1 |
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USE temps, ONLY: annee_ref, day_ref, itau_dyn |
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|
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! Arguments: |
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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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real, intent(in):: dt_app |
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|
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! Local: |
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|
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real dt_cum |
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integer:: icum = 0 |
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integer, save:: ncum |
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logical:: first = .true. |
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real zqy, zfactv(jjm, llm) |
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|
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integer, parameter:: nQ = 7 |
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character(len=4), parameter:: nom(nQ) = (/'T ', 'gz ', 'K ', 'ang ', & |
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'u ', 'ovap', 'un '/) |
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character(len=5), parameter:: unites(nQ) = (/'K ', 'm2/s2', 'm2/s2', & |
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'ang ', 'm/s ', 'kg/kg', 'un '/) |
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|
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integer:: itau = 0 |
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real ww |
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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 w(iip1, jjp1, llm), ecin(iip1, jjp1, llm), convm(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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real dQ(iip1, jjp1, 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:: ntr = 5 |
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|
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character(len=10), save:: znom(ntr, nQ) |
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character(len=26), save:: znoml(ntr, nQ) |
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character(len=12), save:: zunites(ntr, nQ) |
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|
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integer, parameter:: iave = 1, itot = 2, immc = 3, itrs = 4, istn = 5 |
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character(len=3), parameter:: ctrs(ntr) = (/' ', 'TOT', 'MMC', 'TRS', & |
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'STN'/) |
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|
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real zvQ(jjm, llm, ntr, nQ), zvQtmp(jjm, llm) |
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real zavQ(jjm, 2: ntr, nQ), psiQ(jjm, llm + 1, nQ) |
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real zmasse(jjm, llm) |
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real zv(jjm, llm), psi(jjm, llm + 1) |
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integer i, j, l, iQ |
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|
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! Initialisation du fichier contenant les moyennes zonales. |
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|
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integer, save:: fileid |
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integer thoriid, zvertiid |
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|
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real zjulian |
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integer zan, dayref |
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|
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real rlong(jjm), rlatg(jjm) |
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|
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!----------------------------------------------------------------- |
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|
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!!print *, "Call sequence information: bilan_dyn" |
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|
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first_call: if (first) then |
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! initialisation des fichiers |
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first = .false. |
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! ncum est la frequence de stokage en pas de temps |
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ncum = day_step / iperiod * periodav |
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dt_cum = ncum * dt_app |
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|
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! Initialisation du fichier contenant les moyennes zonales |
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|
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zan = annee_ref |
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dayref = day_ref |
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CALL ymds2ju(zan, 1, dayref, 0.0, zjulian) |
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|
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rlong = 0. |
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rlatg = rlatv*180./pi |
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|
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call histbeg_totreg('dynzon', rlong(:1), rlatg, 1, 1, 1, jjm, itau_dyn, & |
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zjulian, dt_cum, thoriid, fileid) |
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|
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! Appel à histvert pour la grille verticale |
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|
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call histvert(fileid, 'presnivs', 'Niveaux sigma', 'mb', llm, presnivs, & |
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zvertiid) |
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|
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! Appels à histdef pour la définition des variables à sauvegarder |
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do iQ = 1, nQ |
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do itr = 1, ntr |
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if (itr == 1) then |
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znom(itr, iQ) = nom(iQ) |
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znoml(itr, iQ) = nom(iQ) |
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zunites(itr, iQ) = unites(iQ) |
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else |
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znom(itr, iQ) = ctrs(itr)//'v'//nom(iQ) |
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znoml(itr, iQ) = 'transport : v * '//nom(iQ)//' '//ctrs(itr) |
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zunites(itr, iQ) = 'm/s * '//unites(iQ) |
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endif |
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enddo |
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enddo |
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|
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! Déclarations des champs avec dimension verticale |
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do iQ = 1, nQ |
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do itr = 1, ntr |
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call histdef(fileid, znom(itr, iQ), znoml(itr, iQ), & |
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zunites(itr, iQ), 1, jjm, thoriid, llm, 1, llm, zvertiid, & |
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'ave(X)', dt_cum, dt_cum) |
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enddo |
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! Déclarations pour les fonctions de courant |
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call histdef(fileid, 'psi'//nom(iQ), 'stream fn. '//znoml(itot, iQ), & |
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zunites(itot, iQ), 1, jjm, thoriid, llm, 1, llm, zvertiid, & |
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'ave(X)', dt_cum, dt_cum) |
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enddo |
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|
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! Déclarations pour les champs de transport d'air |
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call histdef(fileid, 'masse', 'masse', & |
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'kg', 1, jjm, thoriid, llm, 1, llm, zvertiid, & |
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'ave(X)', dt_cum, dt_cum) |
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call histdef(fileid, 'v', 'v', & |
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'm/s', 1, jjm, thoriid, llm, 1, llm, zvertiid, & |
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'ave(X)', dt_cum, dt_cum) |
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! Déclarations pour les fonctions de courant |
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call histdef(fileid, 'psi', 'stream fn. MMC ', 'mega t/s', & |
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1, jjm, thoriid, llm, 1, llm, zvertiid, & |
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'ave(X)', dt_cum, dt_cum) |
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|
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! Déclaration des champs 1D de transport en latitude |
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do iQ = 1, nQ |
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do itr = 2, ntr |
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call histdef(fileid, 'a'//znom(itr, iQ), znoml(itr, iQ), & |
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zunites(itr, iQ), 1, jjm, thoriid, 1, 1, 1, -99, & |
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'ave(X)', dt_cum, dt_cum) |
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enddo |
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enddo |
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|
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CALL histend(fileid) |
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endif first_call |
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|
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itau = itau + 1 |
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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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do 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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enddo |
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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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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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do iQ = 1, nQ |
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Q_cum(:, :, :, iQ) = Q_cum(:, :, :, iQ) + Q(:, :, :, iQ)*masse |
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enddo |
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|
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! FLUX ET TENDANCES |
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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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! tendances |
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|
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! convergence horizontale |
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call convflu(flux_uQ_cum, flux_vQ_cum, llm*nQ, dQ) |
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|
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! calcul de la vitesse verticale |
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call convmas(flux_u_cum, flux_v_cum, convm) |
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CALL vitvert(convm, w) |
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|
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do iQ = 1, nQ |
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do l = 1, llm-1 |
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do j = 1, jjp1 |
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do i = 1, iip1 |
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ww = -0.5*w(i, j, l + 1)*(Q(i, j, l, iQ) + Q(i, j, l + 1, iQ)) |
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dQ(i, j, l, iQ) = dQ(i, j, l, iQ)-ww |
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dQ(i, j, l + 1, iQ) = dQ(i, j, l + 1, iQ) + ww |
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enddo |
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enddo |
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enddo |
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enddo |
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|
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! PAS DE TEMPS D'ECRITURE |
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|
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writing_step: if (icum == ncum) then |
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! Normalisation |
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do iQ = 1, nQ |
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Q_cum(:, :, :, iQ) = Q_cum(:, :, :, iQ)/masse_cum |
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enddo |
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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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dQ = dQ / ncum |
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|
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! A retravailler eventuellement |
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! division de dQ par la masse pour revenir aux bonnes grandeurs |
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do iQ = 1, nQ |
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dQ(:, :, :, iQ) = dQ(:, :, :, iQ)/masse_cum |
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enddo |
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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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|
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zv = 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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zv(j, l) = zv(j, l) + flux_v_cum(i, j, l) |
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enddo |
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zfactv(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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zvQ = 0. |
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psiQ = 0. |
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do iQ = 1, nQ |
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zvQtmp = 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 transort total et de zvQtmp |
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do i = 1, iim |
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zvQ(j, l, itot, iQ) = zvQ(j, l, itot, iQ) & |
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+ flux_vQ_cum(i, j, l, iQ) |
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zqy = 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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zvQtmp(j, l) = zvQtmp(j, l) + flux_v_cum(i, j, l) * zqy & |
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/ (0.5 * (masse_cum(i, j, l) + masse_cum(i, j + 1, l))) |
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zvQ(j, l, iave, iQ) = zvQ(j, l, iave, iQ) + zqy |
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enddo |
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! Decomposition |
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zvQ(j, l, iave, iQ) = zvQ(j, l, iave, iQ)/zmasse(j, l) |
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zvQ(j, l, itot, iQ) = zvQ(j, l, itot, iQ)*zfactv(j, l) |
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zvQtmp(j, l) = zvQtmp(j, l)*zfactv(j, l) |
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zvQ(j, l, immc, iQ) = zv(j, l)*zvQ(j, l, iave, iQ)*zfactv(j, l) |
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zvQ(j, l, itrs, iQ) = zvQ(j, l, itot, iQ)-zvQtmp(j, l) |
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zvQ(j, l, istn, iQ) = zvQtmp(j, l)-zvQ(j, l, immc, iQ) |
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enddo |
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enddo |
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! fonction de courant meridienne pour la quantite 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) + zvQ(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 meridienne 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) + zv(j, l) |
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zv(j, l) = zv(j, l)*zfactv(j, l) |
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enddo |
| 345 |
enddo |
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|
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! sorties proprement dites |
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do iQ = 1, nQ |
| 349 |
do itr = 1, ntr |
| 350 |
call histwrite(fileid, znom(itr, iQ), itau, zvQ(:, :, itr, iQ)) |
| 351 |
enddo |
| 352 |
call histwrite(fileid, 'psi'//nom(iQ), itau, psiQ(:, :llm, iQ)) |
| 353 |
enddo |
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|
| 355 |
call histwrite(fileid, 'masse', itau, zmasse) |
| 356 |
call histwrite(fileid, 'v', itau, zv) |
| 357 |
psi = psi*1.e-9 |
| 358 |
call histwrite(fileid, 'psi', itau, psi(:, :llm)) |
| 359 |
|
| 360 |
! Intégrale verticale |
| 361 |
|
| 362 |
forall (iQ = 1: nQ, itr = 2: ntr) zavQ(:, itr, iQ) & |
| 363 |
= sum(zvQ(:, :, itr, iQ) * zmasse, dim=2) / cv_2d(1, :) |
| 364 |
|
| 365 |
do iQ = 1, nQ |
| 366 |
do itr = 2, ntr |
| 367 |
call histwrite(fileid, 'a'//znom(itr, iQ), itau, zavQ(:, itr, iQ)) |
| 368 |
enddo |
| 369 |
enddo |
| 370 |
|
| 371 |
! On doit pouvoir tracer systematiquement la fonction de courant. |
| 372 |
icum = 0 |
| 373 |
endif writing_step |
| 374 |
|
| 375 |
end SUBROUTINE bilan_dyn |
| 376 |
|
| 377 |
end module bilan_dyn_m |
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