[112] | 1 | SUBROUTINE clmain(dtime,itap,pctsrf, |
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| 2 | . t,q,u,v, |
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[109] | 3 | . jour, rmu0, |
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[112] | 4 | . ok_veget, ocean, npas, nexca, ts, |
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[98] | 5 | . paprs,pplay,radsol,snow,qsol,evap,albe, |
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[101] | 6 | . rain_f, snow_f, solsw, sollw, fder, |
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[98] | 7 | . rlon, rlat, rugos, |
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[112] | 8 | . debut, lafin, agesno, |
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[2] | 9 | . d_t,d_q,d_u,d_v,d_ts, |
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| 10 | . flux_t,flux_q,flux_u,flux_v,cdragh,cdragm, |
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| 11 | . rugmer, dflux_t,dflux_q, |
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| 12 | . zcoefh,zu1,zv1) |
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| 13 | cAA . itr, tr, flux_surf, d_tr) |
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| 14 | cAA REM: |
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| 15 | cAA----- |
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| 16 | cAA Tout ce qui a trait au traceurs est dans phytrac maintenant |
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| 17 | cAA pour l'instant le calcul de la couche limite pour les traceurs |
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| 18 | cAA se fait avec cltrac et ne tient pas compte de la differentiation |
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| 19 | cAA des sous-fraction de sol. |
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| 20 | cAA REM bis : |
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| 21 | cAA---------- |
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| 22 | cAA Pour pouvoir extraire les coefficient d'echanges et le vent |
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| 23 | cAA dans la premiere couche, 3 champs supplementaires ont ete crees |
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| 24 | cAA zcoefh,zu1 et zv1. Pour l'instant nous avons moyenne les valeurs |
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| 25 | cAA de ces trois champs sur les 4 subsurfaces du modele. Dans l'avenir |
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| 26 | cAA si les informations des subsurfaces doivent etre prises en compte |
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| 27 | cAA il faudra sortir ces memes champs en leur ajoutant une dimension, |
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| 28 | cAA c'est a dire nbsrf (nbre de subsurface). |
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| 29 | |
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| 30 | IMPLICIT none |
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| 31 | c====================================================================== |
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| 32 | c Auteur(s) Z.X. Li (LMD/CNRS) date: 19930818 |
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| 33 | c Objet: interface de "couche limite" (diffusion verticale) |
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| 34 | c Arguments: |
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| 35 | c dtime----input-R- interval du temps (secondes) |
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[112] | 36 | c itap-----input-I- numero du pas de temps |
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[2] | 37 | c t--------input-R- temperature (K) |
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| 38 | c q--------input-R- vapeur d'eau (kg/kg) |
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| 39 | c u--------input-R- vitesse u |
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| 40 | c v--------input-R- vitesse v |
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| 41 | c ts-------input-R- temperature du sol (en Kelvin) |
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| 42 | c paprs----input-R- pression a intercouche (Pa) |
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| 43 | c pplay----input-R- pression au milieu de couche (Pa) |
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| 44 | c radsol---input-R- flux radiatif net (positif vers le sol) en W/m**2 |
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| 45 | c capsol---input-R- inversion de l'effective capacite du sol (J/m2/K) |
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| 46 | c beta-----input-R- coefficient de l'evaporation reelle (0 a 1) |
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| 47 | c dif_grnd-input-R- coeff. de diffusion (chaleur) vers le sol profond |
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[98] | 48 | c rlat-----input-R- latitude en degree |
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[2] | 49 | c rugos----input-R- longeur de rugosite (en m) |
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| 50 | c |
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| 51 | c d_t------output-R- le changement pour "t" |
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| 52 | c d_q------output-R- le changement pour "q" |
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| 53 | c d_u------output-R- le changement pour "u" |
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| 54 | c d_v------output-R- le changement pour "v" |
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| 55 | c d_ts-----output-R- le changement pour "ts" |
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| 56 | c flux_t---output-R- flux de chaleur sensible (CpT) J/m**2/s (W/m**2) |
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| 57 | c (orientation positive vers le bas) |
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| 58 | c flux_q---output-R- flux de vapeur d'eau (kg/m**2/s) |
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| 59 | c flux_u---output-R- tension du vent X: (kg m/s)/(m**2 s) ou Pascal |
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| 60 | c flux_v---output-R- tension du vent Y: (kg m/s)/(m**2 s) ou Pascal |
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| 61 | c rugmer---output-R- longeur de rugosite sur mer (m) |
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| 62 | c dflux_t derive du flux sensible |
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| 63 | c dflux_q derive du flux latent |
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| 64 | cAA on rajoute en output yu1 et yv1 qui sont les vents dans |
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| 65 | cAA la premiere couche |
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| 66 | cAA ces 4 variables sont maintenant traites dans phytrac |
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| 67 | c itr--------input-I- nombre de traceurs |
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| 68 | c tr---------input-R- q. de traceurs |
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| 69 | c flux_surf--input-R- flux de traceurs a la surface |
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| 70 | c d_tr-------output-R tendance de traceurs |
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| 71 | c====================================================================== |
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| 72 | #include "dimensions.h" |
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| 73 | #include "dimphy.h" |
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| 74 | #include "indicesol.h" |
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| 75 | c |
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| 76 | LOGICAL soil_model |
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| 77 | c |
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| 78 | REAL dtime |
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[112] | 79 | integer itap |
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[2] | 80 | REAL t(klon,klev), q(klon,klev) |
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| 81 | REAL u(klon,klev), v(klon,klev) |
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| 82 | REAL paprs(klon,klev+1), pplay(klon,klev), radsol(klon) |
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[98] | 83 | REAL rlon(klon), rlat(klon) |
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[2] | 84 | REAL d_t(klon, klev), d_q(klon, klev) |
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| 85 | REAL d_u(klon, klev), d_v(klon, klev) |
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[98] | 86 | REAL flux_t(klon,klev, nbsrf), flux_q(klon,klev, nbsrf) |
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[2] | 87 | REAL dflux_t(klon), dflux_q(klon) |
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[98] | 88 | REAL flux_u(klon,klev, nbsrf), flux_v(klon,klev, nbsrf) |
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[112] | 89 | REAL rugmer(klon), agesno(klon) |
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[2] | 90 | REAL cdragh(klon), cdragm(klon) |
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[109] | 91 | integer jour ! jour de l'annee en cours |
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| 92 | real rmu0(klon) ! cosinus de l'angle solaire zenithal |
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[98] | 93 | LOGICAL debut, lafin, ok_veget |
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[112] | 94 | character*6 ocean |
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| 95 | integer npas, nexca |
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[2] | 96 | cAA INTEGER itr |
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| 97 | cAA REAL tr(klon,klev,nbtr) |
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| 98 | cAA REAL d_tr(klon,klev,nbtr) |
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| 99 | cAA REAL flux_surf(klon,nbtr) |
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| 100 | c |
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| 101 | REAL pctsrf(klon,nbsrf) |
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| 102 | REAL ts(klon,nbsrf) |
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| 103 | REAL d_ts(klon,nbsrf) |
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| 104 | REAL snow(klon,nbsrf) |
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| 105 | REAL qsol(klon,nbsrf) |
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[98] | 106 | REAL evap(klon,nbsrf) |
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| 107 | REAL albe(klon,nbsrf) |
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| 108 | real rain_f(klon), snow_f(klon) |
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[101] | 109 | REAL fder(klon) |
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[98] | 110 | REAL sollw(klon), solsw(klon) |
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[2] | 111 | REAL rugos(klon,nbsrf) |
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[105] | 112 | C la nouvelle repartition des surfaces sortie de l'interface |
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| 113 | REAL pctsrf_new(klon,nbsrf) |
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[2] | 114 | cAA |
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| 115 | REAL zcoefh(klon,klev) |
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| 116 | REAL zu1(klon) |
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| 117 | REAL zv1(klon) |
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| 118 | cAA |
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| 119 | c====================================================================== |
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| 120 | EXTERNAL clqh, clvent, coefkz, calbeta, cltrac |
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| 121 | c====================================================================== |
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[109] | 122 | REAL yts(klon), yrugos(klon), ypct(klon), yz0_new(klon) |
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[98] | 123 | REAL ycal(klon), ybeta(klon), ydif(klon), yalb(klon),yevap(klon) |
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[2] | 124 | REAL yu1(klon), yv1(klon) |
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[98] | 125 | real ysnow(klon), yqsol(klon) |
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| 126 | real yrain_f(klon), ysnow_f(klon) |
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| 127 | real ysollw(klon), ysolsw(klon), ysolswnet(klon) |
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[101] | 128 | real yfder(klon), ytaux(klon), ytauy(klon) |
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[2] | 129 | REAL yrugm(klon), yrads(klon) |
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| 130 | REAL y_d_ts(klon) |
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| 131 | REAL y_d_t(klon, klev), y_d_q(klon, klev) |
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| 132 | REAL y_d_u(klon, klev), y_d_v(klon, klev) |
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| 133 | REAL y_flux_t(klon,klev), y_flux_q(klon,klev) |
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| 134 | REAL y_flux_u(klon,klev), y_flux_v(klon,klev) |
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| 135 | REAL y_dflux_t(klon), y_dflux_q(klon) |
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| 136 | REAL ycoefh(klon,klev), ycoefm(klon,klev) |
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| 137 | REAL ygamt(klon,2:klev) ! contre-gradient pour temperature |
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| 138 | REAL ygamq(klon,2:klev) ! contre-gradient pour humidite |
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| 139 | REAL yu(klon,klev), yv(klon,klev) |
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| 140 | REAL yt(klon,klev), yq(klon,klev) |
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| 141 | REAL ypaprs(klon,klev+1), ypplay(klon,klev), ydelp(klon,klev) |
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| 142 | cAA REAL ytr(klon,klev,nbtr) |
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| 143 | cAA REAL y_d_tr(klon,klev,nbtr) |
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| 144 | cAA REAL yflxsrf(klon,nbtr) |
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| 145 | c |
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[39] | 146 | LOGICAL contreg |
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| 147 | PARAMETER (contreg=.TRUE.) |
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| 148 | c |
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[2] | 149 | LOGICAL ok_nonloc |
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| 150 | PARAMETER (ok_nonloc=.FALSE.) |
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| 151 | REAL y_cd_h(klon), y_cd_m(klon) |
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| 152 | REAL ycoefm0(klon,klev), ycoefh0(klon,klev) |
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| 153 | c |
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| 154 | #include "YOMCST.h" |
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| 155 | REAL u1lay(klon), v1lay(klon) |
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| 156 | REAL delp(klon,klev) |
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| 157 | REAL capsol(klon), beta(klon), dif_grnd(klon) |
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| 158 | REAL cal(klon) |
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| 159 | REAL soilcap(klon,nbsrf), soilflux(klon,nbsrf) |
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| 160 | REAL totalflu(klon) |
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| 161 | INTEGER i, k, nsrf |
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| 162 | cAA INTEGER it |
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| 163 | INTEGER ni(klon), knon, j |
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[105] | 164 | c Introduction d'une variable "pourcentage potentiel" pour tenir compte |
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| 165 | c des eventuelles apparitions et/ou disparitions de la glace de mer |
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| 166 | REAL pctsrf_pot(klon,nbsrf) |
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| 167 | |
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[2] | 168 | c====================================================================== |
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| 169 | REAL zx_alf1, zx_alf2 !valeur ambiante par extrapola. |
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| 170 | c====================================================================== |
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[86] | 171 | |
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[2] | 172 | DO k = 1, klev ! epaisseur de couche |
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| 173 | DO i = 1, klon |
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| 174 | delp(i,k) = paprs(i,k)-paprs(i,k+1) |
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| 175 | ENDDO |
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| 176 | ENDDO |
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| 177 | DO i = 1, klon ! vent de la premiere couche |
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| 178 | ccc zx_alf1 = (paprs(i,1)-pplay(i,2))/(pplay(i,1)-pplay(i,2)) |
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| 179 | zx_alf1 = 1.0 |
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| 180 | zx_alf2 = 1.0 - zx_alf1 |
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| 181 | u1lay(i) = u(i,1)*zx_alf1 + u(i,2)*zx_alf2 |
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| 182 | v1lay(i) = v(i,1)*zx_alf1 + v(i,2)*zx_alf2 |
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| 183 | ENDDO |
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| 184 | c |
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| 185 | c initialisation: |
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| 186 | c |
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| 187 | DO i = 1, klon |
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| 188 | rugmer(i) = 0.0 |
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| 189 | cdragh(i) = 0.0 |
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| 190 | cdragm(i) = 0.0 |
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| 191 | dflux_t(i) = 0.0 |
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| 192 | dflux_q(i) = 0.0 |
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| 193 | zu1(i) = 0.0 |
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| 194 | zv1(i) = 0.0 |
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| 195 | ENDDO |
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| 196 | DO nsrf = 1, nbsrf |
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| 197 | DO i = 1, klon |
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| 198 | d_ts(i,nsrf) = 0.0 |
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| 199 | ENDDO |
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[98] | 200 | END DO |
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| 201 | C§§§ PB |
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| 202 | flux_t = 0. |
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| 203 | flux_q = 0. |
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| 204 | flux_u = 0. |
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| 205 | flux_v = 0. |
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[2] | 206 | DO k = 1, klev |
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| 207 | DO i = 1, klon |
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| 208 | d_t(i,k) = 0.0 |
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| 209 | d_q(i,k) = 0.0 |
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[98] | 210 | c$$$ flux_t(i,k) = 0.0 |
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| 211 | c$$$ flux_q(i,k) = 0.0 |
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[2] | 212 | d_u(i,k) = 0.0 |
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| 213 | d_v(i,k) = 0.0 |
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[98] | 214 | c$$$ flux_u(i,k) = 0.0 |
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| 215 | c$$$ flux_v(i,k) = 0.0 |
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[2] | 216 | zcoefh(i,k) = 0.0 |
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| 217 | ENDDO |
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| 218 | ENDDO |
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| 219 | cAA IF (itr.GE.1) THEN |
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| 220 | cAA DO it = 1, itr |
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| 221 | cAA DO k = 1, klev |
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| 222 | cAA DO i = 1, klon |
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| 223 | cAA d_tr(i,k,it) = 0.0 |
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| 224 | cAA ENDDO |
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| 225 | cAA ENDDO |
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| 226 | cAA ENDDO |
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| 227 | cAA ENDIF |
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| 228 | c |
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| 229 | c Boucler sur toutes les sous-fractions du sol: |
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| 230 | c |
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[105] | 231 | C Initialisation des "pourcentages potentiels". On considere ici qu'on |
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| 232 | C peut avoir potentiellementdela glace sur tout le domaine oceanique |
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| 233 | C (a affiner) |
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| 234 | |
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| 235 | pctsrf_pot = pctsrf |
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| 236 | pctsrf_pot(:,is_sic) = pctsrf(:,is_oce) |
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| 237 | |
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[2] | 238 | DO 99999 nsrf = 1, nbsrf |
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| 239 | c |
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| 240 | c prescrire les proprietes du sol: |
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[98] | 241 | c CALL calbeta(dtime,nsrf,snow,qsol, beta,capsol,dif_grnd) |
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| 242 | c IF (.NOT.soil_model) THEN |
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| 243 | c DO i = 1, klon |
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| 244 | c cal(i) = RCPD * capsol(i) |
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| 245 | c totalflu(i) = radsol(i) |
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| 246 | c ENDDO |
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| 247 | c ELSE |
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| 248 | c DO i = 1, klon |
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| 249 | c totalflu(i) = soilflux(i,nsrf) + radsol(i) |
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| 250 | c IF (nsrf.EQ.is_oce) THEN |
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| 251 | c cal(i) = 0.0 |
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| 252 | c ELSE |
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| 253 | c cal(i) = RCPD / soilcap(i,nsrf) |
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| 254 | c ENDIF |
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| 255 | c ENDDO |
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| 256 | c ENDIF |
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[2] | 257 | c |
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[98] | 258 | totalflu = radsol |
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| 259 | |
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[2] | 260 | c chercher les indices: |
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| 261 | DO j = 1, klon |
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| 262 | ni(j) = 0 |
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| 263 | ENDDO |
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| 264 | knon = 0 |
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| 265 | DO i = 1, klon |
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[105] | 266 | |
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| 267 | C pour determiner le domaine a traiter on utilise les surfaces "potentielles" |
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| 268 | C |
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| 269 | IF (pctsrf_pot(i,nsrf).GT.epsfra) THEN |
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[2] | 270 | knon = knon + 1 |
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| 271 | ni(knon) = i |
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| 272 | ENDIF |
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| 273 | ENDDO |
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| 274 | c |
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| 275 | IF (knon.EQ.0) GOTO 99999 |
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| 276 | DO j = 1, knon |
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| 277 | i = ni(j) |
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| 278 | ypct(j) = pctsrf(i,nsrf) |
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| 279 | yts(j) = ts(i,nsrf) |
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[98] | 280 | ysnow(j) = snow(i,nsrf) |
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| 281 | yevap(j) = evap(i,nsrf) |
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| 282 | yqsol(j) = qsol(i,nsrf) |
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| 283 | yalb(j) = albe(i,nsrf) |
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| 284 | yrain_f(j) = rain_f(i) |
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| 285 | ysnow_f(j) = snow_f(i) |
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[101] | 286 | yfder(j) = fder(i) |
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[102] | 287 | ytaux(j) = flux_u(i,1,nsrf) |
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| 288 | ytauy(j) = flux_v(i,1,nsrf) |
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[98] | 289 | ysolsw(j) = solsw(i) |
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| 290 | ysollw(j) = sollw(i) |
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[2] | 291 | yrugos(j) = rugos(i,nsrf) |
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| 292 | yu1(j) = u1lay(i) |
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| 293 | yv1(j) = v1lay(i) |
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| 294 | yrads(j) = totalflu(i) |
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| 295 | ypaprs(j,klev+1) = paprs(i,klev+1) |
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| 296 | ENDDO |
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| 297 | DO k = 1, klev |
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| 298 | DO j = 1, knon |
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| 299 | i = ni(j) |
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| 300 | ypaprs(j,k) = paprs(i,k) |
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| 301 | ypplay(j,k) = pplay(i,k) |
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| 302 | ydelp(j,k) = delp(i,k) |
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| 303 | yu(j,k) = u(i,k) |
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| 304 | yv(j,k) = v(i,k) |
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| 305 | yt(j,k) = t(i,k) |
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| 306 | yq(j,k) = q(i,k) |
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| 307 | ENDDO |
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| 308 | ENDDO |
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| 309 | c |
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| 310 | c |
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| 311 | c calculer Cdrag et les coefficients d'echange |
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| 312 | CALL coefkz(nsrf, knon, ypaprs, ypplay, |
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| 313 | . yts, yrugos, yu, yv, yt, yq, |
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| 314 | . ycoefm, ycoefh) |
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[39] | 315 | CALL coefkz2(nsrf, knon, paprs, pplay,t, |
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| 316 | . ycoefm0, ycoefh0) |
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| 317 | DO k = 1, klev |
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| 318 | DO i = 1, knon |
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| 319 | ycoefm(i,k) = MAX(ycoefm(i,k),ycoefm0(i,k)) |
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| 320 | ycoefh(i,k) = MAX(ycoefh(i,k),ycoefh0(i,k)) |
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| 321 | ENDDO |
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| 322 | ENDDO |
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[2] | 323 | c |
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| 324 | c |
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[105] | 325 | c calculer la diffusion des vitesses "u" et "v" |
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| 326 | CALL clvent(knon,dtime,yu1,yv1,ycoefm,yt,yu,ypaprs,ypplay,ydelp, |
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| 327 | s y_d_u,y_flux_u) |
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| 328 | CALL clvent(knon,dtime,yu1,yv1,ycoefm,yt,yv,ypaprs,ypplay,ydelp, |
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| 329 | s y_d_v,y_flux_v) |
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| 330 | |
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| 331 | c pour le couplage |
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| 332 | ytaux = y_flux_u(:,1) |
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| 333 | ytauy = y_flux_v(:,1) |
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[2] | 334 | c calculer la diffusion de "q" et de "h" |
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[112] | 335 | CALL clqh(dtime, itap, jour, debut,lafin, |
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| 336 | e rlon, rlat, |
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| 337 | e knon, nsrf, ni, pctsrf, |
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| 338 | e ok_veget, ocean, npas, nexca, |
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| 339 | e rmu0, |
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[109] | 340 | e yu1, yv1, ycoefh, |
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| 341 | e yt,yq,yts,ypaprs,ypplay, |
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| 342 | e ydelp,yrads, yevap,yalb, ysnow, yqsol, |
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| 343 | e yrain_f, ysnow_f, yfder, ytaux, ytauy, |
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| 344 | e ysollw, ysolsw, |
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[112] | 345 | s pctsrf_new, agesno, |
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[109] | 346 | s y_d_t, y_d_q, y_d_ts, yz0_new, |
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[2] | 347 | s y_flux_t, y_flux_q, y_dflux_t, y_dflux_q) |
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| 348 | c |
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| 349 | c calculer la longueur de rugosite sur ocean |
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| 350 | IF (nsrf.EQ.is_oce) THEN |
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| 351 | DO j = 1, knon |
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| 352 | yrugm(j) = 0.018*ycoefm(j,1) * (yu1(j)**2+yv1(j)**2)/RG |
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| 353 | yrugm(j) = MAX(1.5e-05,yrugm(j)) |
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| 354 | ENDDO |
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| 355 | ENDIF |
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| 356 | DO j = 1, knon |
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| 357 | y_dflux_t(j) = y_dflux_t(j) * ypct(j) |
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| 358 | y_dflux_q(j) = y_dflux_q(j) * ypct(j) |
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| 359 | yu1(j) = yu1(j) * ypct(j) |
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| 360 | yv1(j) = yv1(j) * ypct(j) |
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| 361 | ENDDO |
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| 362 | c |
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| 363 | DO k = 1, klev |
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[98] | 364 | DO j = 1, knon |
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| 365 | i = ni(j) |
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| 366 | ycoefh(j,k) = ycoefh(j,k) * ypct(j) |
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| 367 | ycoefm(j,k) = ycoefm(j,k) * ypct(j) |
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| 368 | y_d_t(j,k) = y_d_t(j,k) * ypct(j) |
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| 369 | y_d_q(j,k) = y_d_q(j,k) * ypct(j) |
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| 370 | C§§§ PB |
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| 371 | flux_t(i,k,nsrf) = y_flux_t(j,k) |
---|
| 372 | flux_q(i,k,nsrf) = y_flux_q(j,k) |
---|
| 373 | flux_u(i,k,nsrf) = y_flux_u(j,k) |
---|
| 374 | flux_v(i,k,nsrf) = y_flux_v(j,k) |
---|
| 375 | c$$$ PB y_flux_t(j,k) = y_flux_t(j,k) * ypct(j) |
---|
| 376 | c$$$ PB y_flux_q(j,k) = y_flux_q(j,k) * ypct(j) |
---|
| 377 | y_d_u(j,k) = y_d_u(j,k) * ypct(j) |
---|
| 378 | y_d_v(j,k) = y_d_v(j,k) * ypct(j) |
---|
| 379 | c$$$ PB y_flux_u(j,k) = y_flux_u(j,k) * ypct(j) |
---|
| 380 | c$$$ PB y_flux_v(j,k) = y_flux_v(j,k) * ypct(j) |
---|
| 381 | ENDDO |
---|
[2] | 382 | ENDDO |
---|
[98] | 383 | |
---|
| 384 | evap(:,nsrf) = - flux_q(:,1,nsrf) |
---|
[2] | 385 | c |
---|
| 386 | DO j = 1, knon |
---|
[98] | 387 | i = ni(j) |
---|
[2] | 388 | d_ts(i,nsrf) = y_d_ts(j) |
---|
[98] | 389 | albe(i,nsrf) = yalb(j) |
---|
| 390 | snow(i,nsrf) = ysnow(j) |
---|
| 391 | qsol(i,nsrf) = yqsol(j) |
---|
[109] | 392 | rugos(i,nsrf) = yz0_new(j) |
---|
[2] | 393 | rugmer(i) = yrugm(j) |
---|
| 394 | cdragh(i) = cdragh(i) + ycoefh(j,1) |
---|
| 395 | cdragm(i) = cdragm(i) + ycoefm(j,1) |
---|
| 396 | dflux_t(i) = dflux_t(i) + y_dflux_t(j) |
---|
| 397 | dflux_q(i) = dflux_q(i) + y_dflux_q(j) |
---|
| 398 | zu1(i) = zu1(i) + yu1(j) |
---|
| 399 | zv1(i) = zv1(i) + yv1(j) |
---|
| 400 | ENDDO |
---|
| 401 | c |
---|
| 402 | #ifdef CRAY |
---|
| 403 | DO k = 1, klev |
---|
| 404 | DO j = 1, knon |
---|
| 405 | i = ni(j) |
---|
| 406 | #else |
---|
| 407 | DO j = 1, knon |
---|
| 408 | i = ni(j) |
---|
| 409 | DO k = 1, klev |
---|
| 410 | #endif |
---|
| 411 | d_t(i,k) = d_t(i,k) + y_d_t(j,k) |
---|
| 412 | d_q(i,k) = d_q(i,k) + y_d_q(j,k) |
---|
[98] | 413 | c$$$ PB flux_t(i,k) = flux_t(i,k) + y_flux_t(j,k) |
---|
| 414 | c$$$ flux_q(i,k) = flux_q(i,k) + y_flux_q(j,k) |
---|
[2] | 415 | d_u(i,k) = d_u(i,k) + y_d_u(j,k) |
---|
| 416 | d_v(i,k) = d_v(i,k) + y_d_v(j,k) |
---|
[98] | 417 | c$$$ PB flux_u(i,k) = flux_u(i,k) + y_flux_u(j,k) |
---|
| 418 | c$$$ flux_v(i,k) = flux_v(i,k) + y_flux_v(j,k) |
---|
[2] | 419 | zcoefh(i,k) = zcoefh(i,k) + ycoefh(j,k) |
---|
| 420 | ENDDO |
---|
| 421 | ENDDO |
---|
| 422 | c |
---|
| 423 | 99999 CONTINUE |
---|
| 424 | c |
---|
[112] | 425 | C |
---|
| 426 | C On utilise les nouvelles surfaces |
---|
| 427 | C A rajouter: conservation de l'albedo |
---|
| 428 | C |
---|
| 429 | pctsrf = pctsrf_new |
---|
[98] | 430 | |
---|
[2] | 431 | RETURN |
---|
| 432 | END |
---|
[112] | 433 | SUBROUTINE clqh(dtime,itime, jour,debut,lafin, |
---|
| 434 | e rlon, rlat, |
---|
| 435 | e knon, nisurf, knindex, pctsrf, |
---|
| 436 | e ok_veget, ocean, npas, nexca, |
---|
| 437 | e rmu0, |
---|
[98] | 438 | e u1lay,v1lay,coef, |
---|
[86] | 439 | e t,q,ts,paprs,pplay, |
---|
[98] | 440 | e delp,radsol,evap,albedo,snow,qsol, |
---|
[101] | 441 | e precip_rain, precip_snow, fder, taux, tauy, |
---|
[105] | 442 | e lwdown, swdown, |
---|
[112] | 443 | s pctsrf_new, agesno, |
---|
[109] | 444 | s d_t, d_q, d_ts, z0_new, |
---|
| 445 | s flux_t, flux_q,dflux_s,dflux_l) |
---|
[86] | 446 | |
---|
| 447 | USE interface_surf |
---|
| 448 | |
---|
[2] | 449 | IMPLICIT none |
---|
| 450 | c====================================================================== |
---|
| 451 | c Auteur(s): Z.X. Li (LMD/CNRS) date: 19930818 |
---|
| 452 | c Objet: diffusion verticale de "q" et de "h" |
---|
| 453 | c====================================================================== |
---|
| 454 | #include "dimensions.h" |
---|
| 455 | #include "dimphy.h" |
---|
[98] | 456 | #include "YOMCST.h" |
---|
| 457 | #include "YOETHF.h" |
---|
| 458 | #include "FCTTRE.h" |
---|
| 459 | #include "indicesol.h" |
---|
[2] | 460 | c Arguments: |
---|
| 461 | INTEGER knon |
---|
| 462 | REAL dtime ! intervalle du temps (s) |
---|
| 463 | REAL u1lay(klon) ! vitesse u de la 1ere couche (m/s) |
---|
| 464 | REAL v1lay(klon) ! vitesse v de la 1ere couche (m/s) |
---|
| 465 | REAL coef(klon,klev) ! le coefficient d'echange (m**2/s) |
---|
| 466 | c multiplie par le cisaillement du |
---|
| 467 | c vent (dV/dz); la premiere valeur |
---|
| 468 | c indique la valeur de Cdrag (sans unite) |
---|
| 469 | REAL cal(klon) ! Cp/cal indique la capacite calorifique |
---|
| 470 | c surfacique du sol |
---|
| 471 | REAL beta(klon) ! evap. reelle / evapotranspiration |
---|
| 472 | REAL dif_grnd(klon) ! coeff. diffusion vers le sol profond |
---|
| 473 | REAL t(klon,klev) ! temperature (K) |
---|
| 474 | REAL q(klon,klev) ! humidite specifique (kg/kg) |
---|
| 475 | REAL ts(klon) ! temperature du sol (K) |
---|
[98] | 476 | REAL evap(klon) ! evaporation au sol |
---|
[2] | 477 | REAL paprs(klon,klev+1) ! pression a inter-couche (Pa) |
---|
| 478 | REAL pplay(klon,klev) ! pression au milieu de couche (Pa) |
---|
| 479 | REAL delp(klon,klev) ! epaisseur de couche en pression (Pa) |
---|
| 480 | REAL radsol(klon) ! ray. net au sol (Solaire+IR) W/m2 |
---|
[98] | 481 | REAL albedo(klon) ! albedo de la surface |
---|
| 482 | REAL snow(klon) ! hauteur de neige |
---|
| 483 | REAL qsol(klon) ! humidite de la surface |
---|
| 484 | real precip_rain(klon), precip_snow(klon) |
---|
[112] | 485 | REAL agesno(klon) |
---|
[109] | 486 | integer jour ! jour de l'annee en cours |
---|
| 487 | real rmu0(klon) ! cosinus de l'angle solaire zenithal |
---|
[98] | 488 | integer knindex(klon) |
---|
| 489 | real pctsrf(klon,nbsrf) |
---|
| 490 | real rlon(klon), rlat(klon) |
---|
[112] | 491 | logical ok_veget |
---|
| 492 | character*6 ocean |
---|
| 493 | integer npas, nexca |
---|
| 494 | |
---|
[2] | 495 | c |
---|
| 496 | REAL d_t(klon,klev) ! incrementation de "t" |
---|
| 497 | REAL d_q(klon,klev) ! incrementation de "q" |
---|
| 498 | REAL d_ts(klon) ! incrementation de "ts" |
---|
| 499 | REAL flux_t(klon,klev) ! (diagnostic) flux de la chaleur |
---|
| 500 | c sensible, flux de Cp*T, positif vers |
---|
| 501 | c le bas: j/(m**2 s) c.a.d.: W/m2 |
---|
| 502 | REAL flux_q(klon,klev) ! flux de la vapeur d'eau:kg/(m**2 s) |
---|
| 503 | REAL dflux_s(klon) ! derivee du flux sensible dF/dTs |
---|
| 504 | REAL dflux_l(klon) ! derivee du flux latent dF/dTs |
---|
| 505 | REAL dflux_g(klon) ! derivee du flux du sol profond dF/dTs |
---|
| 506 | c====================================================================== |
---|
| 507 | REAL t_grnd ! temperature de rappel pour glace de mer |
---|
| 508 | PARAMETER (t_grnd=271.35) |
---|
| 509 | REAL t_coup |
---|
| 510 | PARAMETER(t_coup=273.15) |
---|
| 511 | c====================================================================== |
---|
| 512 | INTEGER i, k |
---|
| 513 | REAL zx_a |
---|
| 514 | REAL zx_b |
---|
| 515 | REAL zx_qs |
---|
| 516 | REAL zx_dq_s_dh |
---|
| 517 | REAL zx_h_grnd |
---|
| 518 | REAL zx_cq0(klon) |
---|
| 519 | REAL zx_dq0(klon) |
---|
| 520 | REAL zx_cq(klon,klev) |
---|
| 521 | REAL zx_dq(klon,klev) |
---|
| 522 | REAL zx_ch(klon,klev) |
---|
| 523 | REAL zx_dh(klon,klev) |
---|
| 524 | REAL zx_buf1(klon) |
---|
| 525 | REAL zx_buf2(klon) |
---|
| 526 | REAL zx_coef(klon,klev) |
---|
| 527 | REAL zx_q_0(klon) |
---|
| 528 | REAL zx_h_ts(klon) |
---|
| 529 | REAL zx_sl(klon) |
---|
| 530 | REAL local_h(klon,klev) ! enthalpie potentielle |
---|
| 531 | REAL local_q(klon,klev) |
---|
| 532 | REAL local_ts(klon) |
---|
| 533 | REAL psref(klon) ! pression de reference pour temperature potent. |
---|
| 534 | REAL zx_pkh(klon,klev), zx_pkf(klon,klev) |
---|
| 535 | c====================================================================== |
---|
| 536 | c contre-gradient pour la vapeur d'eau: (kg/kg)/metre |
---|
| 537 | REAL gamq(klon,2:klev) |
---|
| 538 | c contre-gradient pour la chaleur sensible: Kelvin/metre |
---|
| 539 | REAL gamt(klon,2:klev) |
---|
| 540 | REAL z_gamaq(klon,2:klev), z_gamah(klon,2:klev) |
---|
| 541 | REAL zdelz |
---|
| 542 | c====================================================================== |
---|
[84] | 543 | C Variables intermediaires pour le calcul des fluxs a la surface |
---|
| 544 | real zx_mh(klon), zx_nh(klon), zx_oh(klon) |
---|
| 545 | real zx_mq(klon), zx_nq(klon), zx_oq(klon) |
---|
| 546 | real zx_k1(klon), zx_dq_s_dt(klon) |
---|
| 547 | real zx_qsat(klon) |
---|
| 548 | c====================================================================== |
---|
[2] | 549 | REAL zcor, zdelta, zcvm5 |
---|
[98] | 550 | logical contreg |
---|
| 551 | parameter (contreg=.true.) |
---|
[2] | 552 | c====================================================================== |
---|
[86] | 553 | c Rajout pour l'interface |
---|
| 554 | integer itime |
---|
| 555 | integer nisurf |
---|
[112] | 556 | logical debut, lafin |
---|
[98] | 557 | real zlev1(klon) |
---|
[101] | 558 | real fder(klon), taux(klon), tauy(klon) |
---|
[86] | 559 | real temp_air(klon), spechum(klon) |
---|
| 560 | real hum_air(klon), ccanopy(klon) |
---|
| 561 | real tq_cdrag(klon), petAcoef(klon), peqAcoef(klon) |
---|
| 562 | real petBcoef(klon), peqBcoef(klon) |
---|
| 563 | real lwdown(klon), swnet(klon), swdown(klon), ps(klon) |
---|
| 564 | real p1lay(klon) |
---|
| 565 | real coef1lay(klon) |
---|
| 566 | |
---|
| 567 | ! Parametres de sortie |
---|
[98] | 568 | real fluxsens(klon), fluxlat(klon) |
---|
[86] | 569 | real tsol_rad(klon), tsurf_new(klon), alb_new(klon) |
---|
| 570 | real emis_new(klon), z0_new(klon) |
---|
| 571 | real pctsrf_new(klon,nbsrf) |
---|
| 572 | c |
---|
| 573 | |
---|
[98] | 574 | if (.not. contreg) then |
---|
| 575 | do k = 2, klev |
---|
| 576 | do i = 1, knon |
---|
| 577 | gamq(i,k) = 0.0 |
---|
| 578 | gamt(i,k) = 0.0 |
---|
| 579 | enddo |
---|
| 580 | enddo |
---|
| 581 | else |
---|
| 582 | do k = 3, klev |
---|
| 583 | do i = 1, knon |
---|
| 584 | gamq(i,k)= 0.0 |
---|
| 585 | gamt(i,k)= -1.0e-03 |
---|
| 586 | enddo |
---|
| 587 | enddo |
---|
| 588 | do i = 1, knon |
---|
| 589 | gamq(i,2) = 0.0 |
---|
| 590 | gamt(i,2) = -2.5e-03 |
---|
| 591 | enddo |
---|
| 592 | endif |
---|
| 593 | |
---|
[2] | 594 | DO i = 1, knon |
---|
| 595 | psref(i) = paprs(i,1) !pression de reference est celle au sol |
---|
| 596 | local_ts(i) = ts(i) |
---|
| 597 | ENDDO |
---|
| 598 | DO k = 1, klev |
---|
| 599 | DO i = 1, knon |
---|
| 600 | zx_pkh(i,k) = (psref(i)/paprs(i,k))**RKAPPA |
---|
| 601 | zx_pkf(i,k) = (psref(i)/pplay(i,k))**RKAPPA |
---|
| 602 | local_h(i,k) = RCPD * t(i,k) * zx_pkf(i,k) |
---|
| 603 | local_q(i,k) = q(i,k) |
---|
| 604 | ENDDO |
---|
| 605 | ENDDO |
---|
| 606 | c |
---|
| 607 | c Convertir les coefficients en variables convenables au calcul: |
---|
| 608 | c |
---|
| 609 | c |
---|
| 610 | DO k = 2, klev |
---|
| 611 | DO i = 1, knon |
---|
| 612 | zx_coef(i,k) = coef(i,k)*RG/(pplay(i,k-1)-pplay(i,k)) |
---|
| 613 | . *(paprs(i,k)*2/(t(i,k)+t(i,k-1))/RD)**2 |
---|
| 614 | zx_coef(i,k) = zx_coef(i,k) * dtime*RG |
---|
| 615 | ENDDO |
---|
| 616 | ENDDO |
---|
| 617 | c |
---|
| 618 | c Preparer les flux lies aux contre-gardients |
---|
| 619 | c |
---|
| 620 | DO k = 2, klev |
---|
| 621 | DO i = 1, knon |
---|
| 622 | zdelz = RD * (t(i,k-1)+t(i,k))/2.0 / RG /paprs(i,k) |
---|
| 623 | . *(pplay(i,k-1)-pplay(i,k)) |
---|
| 624 | z_gamaq(i,k) = gamq(i,k) * zdelz |
---|
| 625 | z_gamah(i,k) = gamt(i,k) * zdelz *RCPD * zx_pkh(i,k) |
---|
| 626 | ENDDO |
---|
| 627 | ENDDO |
---|
[84] | 628 | |
---|
[2] | 629 | DO i = 1, knon |
---|
| 630 | zx_buf1(i) = zx_coef(i,klev) + delp(i,klev) |
---|
| 631 | zx_cq(i,klev) = (local_q(i,klev)*delp(i,klev) |
---|
| 632 | . -zx_coef(i,klev)*z_gamaq(i,klev))/zx_buf1(i) |
---|
| 633 | zx_dq(i,klev) = zx_coef(i,klev) / zx_buf1(i) |
---|
| 634 | c |
---|
| 635 | zx_buf2(i) = delp(i,klev) + zx_coef(i,klev) |
---|
| 636 | zx_ch(i,klev) = (local_h(i,klev)*delp(i,klev) |
---|
| 637 | . -zx_coef(i,klev)*z_gamah(i,klev))/zx_buf2(i) |
---|
| 638 | zx_dh(i,klev) = zx_coef(i,klev) / zx_buf2(i) |
---|
| 639 | ENDDO |
---|
| 640 | DO k = klev-1, 2 , -1 |
---|
| 641 | DO i = 1, knon |
---|
| 642 | zx_buf1(i) = delp(i,k)+zx_coef(i,k) |
---|
| 643 | . +zx_coef(i,k+1)*(1.-zx_dq(i,k+1)) |
---|
| 644 | zx_cq(i,k) = (local_q(i,k)*delp(i,k) |
---|
| 645 | . +zx_coef(i,k+1)*zx_cq(i,k+1) |
---|
| 646 | . +zx_coef(i,k+1)*z_gamaq(i,k+1) |
---|
| 647 | . -zx_coef(i,k)*z_gamaq(i,k))/zx_buf1(i) |
---|
| 648 | zx_dq(i,k) = zx_coef(i,k) / zx_buf1(i) |
---|
| 649 | c |
---|
| 650 | zx_buf2(i) = delp(i,k)+zx_coef(i,k) |
---|
| 651 | . +zx_coef(i,k+1)*(1.-zx_dh(i,k+1)) |
---|
| 652 | zx_ch(i,k) = (local_h(i,k)*delp(i,k) |
---|
| 653 | . +zx_coef(i,k+1)*zx_ch(i,k+1) |
---|
| 654 | . +zx_coef(i,k+1)*z_gamah(i,k+1) |
---|
| 655 | . -zx_coef(i,k)*z_gamah(i,k))/zx_buf2(i) |
---|
| 656 | zx_dh(i,k) = zx_coef(i,k) / zx_buf2(i) |
---|
| 657 | ENDDO |
---|
| 658 | ENDDO |
---|
[84] | 659 | C |
---|
| 660 | C nouvelle formulation JL Dufresne |
---|
| 661 | C |
---|
| 662 | C q1 = zx_cq(i,1) + zx_dq(i,1) * Flux_Q(i,1) * dt |
---|
| 663 | C h1 = zx_ch(i,1) + zx_dh(i,1) * Flux_H(i,1) * dt |
---|
| 664 | C |
---|
[2] | 665 | DO i = 1, knon |
---|
| 666 | zx_buf1(i) = delp(i,1) + zx_coef(i,2)*(1.-zx_dq(i,2)) |
---|
| 667 | zx_cq(i,1) = (local_q(i,1)*delp(i,1) |
---|
[84] | 668 | . +zx_coef(i,2)*(z_gamaq(i,2)+zx_cq(i,2))) |
---|
[2] | 669 | . /zx_buf1(i) |
---|
[84] | 670 | zx_dq(i,1) = -1. * RG / zx_buf1(i) |
---|
[2] | 671 | c |
---|
| 672 | zx_buf2(i) = delp(i,1) + zx_coef(i,2)*(1.-zx_dh(i,2)) |
---|
| 673 | zx_ch(i,1) = (local_h(i,1)*delp(i,1) |
---|
[84] | 674 | . +zx_coef(i,2)*(z_gamah(i,2)+zx_ch(i,2))) |
---|
[2] | 675 | . /zx_buf2(i) |
---|
[84] | 676 | zx_dh(i,1) = -1. * RG / zx_buf2(i) |
---|
[2] | 677 | ENDDO |
---|
[84] | 678 | |
---|
[86] | 679 | C Appel a interfsurf (appel generique) routine d'interface avec la surface |
---|
[84] | 680 | |
---|
[86] | 681 | petAcoef=zx_ch(:,1) |
---|
| 682 | peqAcoef=zx_cq(:,1) |
---|
| 683 | petBcoef=zx_dh(:,1) |
---|
| 684 | peqBcoef=zx_dq(:,1) |
---|
[105] | 685 | tq_cdrag=coef(:,1) |
---|
[86] | 686 | temp_air=t(:,1) |
---|
| 687 | spechum=q(:,1) |
---|
| 688 | p1lay = pplay(:,1) |
---|
[98] | 689 | zlev1 = delp(:,1) |
---|
| 690 | swnet = swdown * (1 - albedo) |
---|
| 691 | c En attendant mieux |
---|
| 692 | hum_air = 0. |
---|
| 693 | ccanopy = 0. |
---|
[86] | 694 | |
---|
[109] | 695 | CALL interfsurf(itime, dtime, jour, rmu0, |
---|
| 696 | e klon, iim, jjm, nisurf, knon, knindex, pctsrf, rlon, rlat, |
---|
| 697 | e debut, lafin, ok_veget, |
---|
| 698 | e zlev1, u1lay, v1lay, temp_air, spechum, hum_air, ccanopy, |
---|
| 699 | e tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, |
---|
| 700 | e precip_rain, precip_snow, lwdown, swnet, swdown, |
---|
| 701 | e fder, taux, tauy, |
---|
| 702 | e albedo, snow, qsol, |
---|
| 703 | e ts, p1lay, psref, radsol, |
---|
[112] | 704 | e ocean, npas, nexca, zmasq, |
---|
[109] | 705 | s evap, fluxsens, fluxlat, dflux_l, dflux_s, |
---|
[112] | 706 | s tsol_rad, tsurf_new, alb_new, emis_new, z0_new, |
---|
| 707 | s pctsrf_NEW, agesno) |
---|
[86] | 708 | |
---|
| 709 | flux_t(:,1) = fluxsens |
---|
[98] | 710 | flux_q(:,1) = - evap |
---|
[86] | 711 | d_ts = tsurf_new - ts |
---|
[98] | 712 | albedo = alb_new |
---|
[86] | 713 | |
---|
[2] | 714 | c==== une fois on a zx_h_ts, on peut faire l'iteration ======== |
---|
| 715 | DO i = 1, knon |
---|
[86] | 716 | local_h(i,1) = zx_ch(i,1) + zx_dh(i,1)*flux_t(i,1)*dtime |
---|
| 717 | local_q(i,1) = zx_cq(i,1) + zx_dq(i,1)*flux_q(i,1)*dtime |
---|
[2] | 718 | ENDDO |
---|
| 719 | DO k = 2, klev |
---|
| 720 | DO i = 1, knon |
---|
| 721 | local_q(i,k) = zx_cq(i,k) + zx_dq(i,k)*local_q(i,k-1) |
---|
| 722 | local_h(i,k) = zx_ch(i,k) + zx_dh(i,k)*local_h(i,k-1) |
---|
| 723 | ENDDO |
---|
| 724 | ENDDO |
---|
| 725 | c====================================================================== |
---|
| 726 | c== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas |
---|
| 727 | c== flux_t est le flux de cpt (energie sensible): j/(m**2 s) |
---|
| 728 | DO k = 2, klev |
---|
| 729 | DO i = 1, knon |
---|
| 730 | flux_q(i,k) = (zx_coef(i,k)/RG/dtime) |
---|
| 731 | . * (local_q(i,k)-local_q(i,k-1)+z_gamaq(i,k)) |
---|
| 732 | flux_t(i,k) = (zx_coef(i,k)/RG/dtime) |
---|
| 733 | . * (local_h(i,k)-local_h(i,k-1)+z_gamah(i,k)) |
---|
| 734 | . / zx_pkh(i,k) |
---|
| 735 | ENDDO |
---|
| 736 | ENDDO |
---|
| 737 | c====================================================================== |
---|
[84] | 738 | C Calcul tendances |
---|
[2] | 739 | DO k = 1, klev |
---|
| 740 | DO i = 1, knon |
---|
| 741 | d_t(i,k) = local_h(i,k)/zx_pkf(i,k)/RCPD - t(i,k) |
---|
| 742 | d_q(i,k) = local_q(i,k) - q(i,k) |
---|
| 743 | ENDDO |
---|
| 744 | ENDDO |
---|
| 745 | c |
---|
| 746 | RETURN |
---|
| 747 | END |
---|
| 748 | SUBROUTINE clvent(knon,dtime, u1lay,v1lay,coef,t,ven, |
---|
| 749 | e paprs,pplay,delp, |
---|
| 750 | s d_ven,flux_v) |
---|
| 751 | IMPLICIT none |
---|
| 752 | c====================================================================== |
---|
| 753 | c Auteur(s): Z.X. Li (LMD/CNRS) date: 19930818 |
---|
| 754 | c Objet: diffusion vertical de la vitesse "ven" |
---|
| 755 | c====================================================================== |
---|
| 756 | c Arguments: |
---|
| 757 | c dtime----input-R- intervalle du temps (en second) |
---|
| 758 | c u1lay----input-R- vent u de la premiere couche (m/s) |
---|
| 759 | c v1lay----input-R- vent v de la premiere couche (m/s) |
---|
| 760 | c coef-----input-R- le coefficient d'echange (m**2/s) multiplie par |
---|
| 761 | c le cisaillement du vent (dV/dz); la premiere |
---|
| 762 | c valeur indique la valeur de Cdrag (sans unite) |
---|
| 763 | c t--------input-R- temperature (K) |
---|
| 764 | c ven------input-R- vitesse horizontale (m/s) |
---|
| 765 | c paprs----input-R- pression a inter-couche (Pa) |
---|
| 766 | c pplay----input-R- pression au milieu de couche (Pa) |
---|
| 767 | c delp-----input-R- epaisseur de couche (Pa) |
---|
| 768 | c |
---|
| 769 | c |
---|
| 770 | c d_ven----output-R- le changement de "ven" |
---|
| 771 | c flux_v---output-R- (diagnostic) flux du vent: (kg m/s)/(m**2 s) |
---|
| 772 | c====================================================================== |
---|
| 773 | #include "dimensions.h" |
---|
| 774 | #include "dimphy.h" |
---|
| 775 | INTEGER knon |
---|
| 776 | REAL dtime |
---|
| 777 | REAL u1lay(klon), v1lay(klon) |
---|
| 778 | REAL coef(klon,klev) |
---|
| 779 | REAL t(klon,klev), ven(klon,klev) |
---|
| 780 | REAL paprs(klon,klev+1), pplay(klon,klev), delp(klon,klev) |
---|
| 781 | REAL d_ven(klon,klev) |
---|
| 782 | REAL flux_v(klon,klev) |
---|
| 783 | c====================================================================== |
---|
| 784 | #include "YOMCST.h" |
---|
| 785 | c====================================================================== |
---|
| 786 | INTEGER i, k |
---|
| 787 | REAL zx_cv(klon,2:klev) |
---|
| 788 | REAL zx_dv(klon,2:klev) |
---|
| 789 | REAL zx_buf(klon) |
---|
| 790 | REAL zx_coef(klon,klev) |
---|
| 791 | REAL local_ven(klon,klev) |
---|
| 792 | REAL zx_alf1(klon), zx_alf2(klon) |
---|
| 793 | c====================================================================== |
---|
| 794 | DO k = 1, klev |
---|
| 795 | DO i = 1, knon |
---|
| 796 | local_ven(i,k) = ven(i,k) |
---|
| 797 | ENDDO |
---|
| 798 | ENDDO |
---|
| 799 | c====================================================================== |
---|
| 800 | DO i = 1, knon |
---|
| 801 | ccc zx_alf1(i) = (paprs(i,1)-pplay(i,2))/(pplay(i,1)-pplay(i,2)) |
---|
| 802 | zx_alf1(i) = 1.0 |
---|
| 803 | zx_alf2(i) = 1.0 - zx_alf1(i) |
---|
| 804 | zx_coef(i,1) = coef(i,1) |
---|
| 805 | . * (1.0+SQRT(u1lay(i)**2+v1lay(i)**2)) |
---|
| 806 | . * pplay(i,1)/(RD*t(i,1)) |
---|
| 807 | zx_coef(i,1) = zx_coef(i,1) * dtime*RG |
---|
| 808 | ENDDO |
---|
| 809 | c====================================================================== |
---|
| 810 | DO k = 2, klev |
---|
| 811 | DO i = 1, knon |
---|
| 812 | zx_coef(i,k) = coef(i,k)*RG/(pplay(i,k-1)-pplay(i,k)) |
---|
| 813 | . *(paprs(i,k)*2/(t(i,k)+t(i,k-1))/RD)**2 |
---|
| 814 | zx_coef(i,k) = zx_coef(i,k) * dtime*RG |
---|
| 815 | ENDDO |
---|
| 816 | ENDDO |
---|
| 817 | c====================================================================== |
---|
| 818 | DO i = 1, knon |
---|
| 819 | zx_buf(i) = delp(i,1) + zx_coef(i,1)*zx_alf1(i)+zx_coef(i,2) |
---|
| 820 | zx_cv(i,2) = local_ven(i,1)*delp(i,1) / zx_buf(i) |
---|
| 821 | zx_dv(i,2) = (zx_coef(i,2)-zx_alf2(i)*zx_coef(i,1)) |
---|
| 822 | . /zx_buf(i) |
---|
| 823 | ENDDO |
---|
| 824 | DO k = 3, klev |
---|
| 825 | DO i = 1, knon |
---|
| 826 | zx_buf(i) = delp(i,k-1) + zx_coef(i,k) |
---|
| 827 | . + zx_coef(i,k-1)*(1.-zx_dv(i,k-1)) |
---|
| 828 | zx_cv(i,k) = (local_ven(i,k-1)*delp(i,k-1) |
---|
| 829 | . +zx_coef(i,k-1)*zx_cv(i,k-1) )/zx_buf(i) |
---|
| 830 | zx_dv(i,k) = zx_coef(i,k)/zx_buf(i) |
---|
| 831 | ENDDO |
---|
| 832 | ENDDO |
---|
| 833 | DO i = 1, knon |
---|
| 834 | local_ven(i,klev) = ( local_ven(i,klev)*delp(i,klev) |
---|
| 835 | . +zx_coef(i,klev)*zx_cv(i,klev) ) |
---|
| 836 | . / ( delp(i,klev) + zx_coef(i,klev) |
---|
| 837 | . -zx_coef(i,klev)*zx_dv(i,klev) ) |
---|
| 838 | ENDDO |
---|
| 839 | DO k = klev-1, 1, -1 |
---|
| 840 | DO i = 1, knon |
---|
| 841 | local_ven(i,k) = zx_cv(i,k+1) + zx_dv(i,k+1)*local_ven(i,k+1) |
---|
| 842 | ENDDO |
---|
| 843 | ENDDO |
---|
| 844 | c====================================================================== |
---|
| 845 | c== flux_v est le flux de moment angulaire (positif vers bas) |
---|
| 846 | c== dont l'unite est: (kg m/s)/(m**2 s) |
---|
| 847 | DO i = 1, knon |
---|
| 848 | flux_v(i,1) = zx_coef(i,1)/(RG*dtime) |
---|
| 849 | . *(local_ven(i,1)*zx_alf1(i) |
---|
| 850 | . +local_ven(i,2)*zx_alf2(i)) |
---|
| 851 | ENDDO |
---|
| 852 | DO k = 2, klev |
---|
| 853 | DO i = 1, knon |
---|
| 854 | flux_v(i,k) = zx_coef(i,k)/(RG*dtime) |
---|
| 855 | . * (local_ven(i,k)-local_ven(i,k-1)) |
---|
| 856 | ENDDO |
---|
| 857 | ENDDO |
---|
| 858 | c |
---|
| 859 | DO k = 1, klev |
---|
| 860 | DO i = 1, knon |
---|
| 861 | d_ven(i,k) = local_ven(i,k) - ven(i,k) |
---|
| 862 | ENDDO |
---|
| 863 | ENDDO |
---|
| 864 | c |
---|
| 865 | RETURN |
---|
| 866 | END |
---|
| 867 | SUBROUTINE coefkz(nsrf, knon, paprs, pplay, |
---|
| 868 | . ts, rugos, |
---|
| 869 | . u,v,t,q, |
---|
| 870 | . pcfm, pcfh) |
---|
| 871 | IMPLICIT none |
---|
| 872 | c====================================================================== |
---|
| 873 | c Auteur(s) F. Hourdin, M. Forichon, Z.X. Li (LMD/CNRS) date: 19930922 |
---|
| 874 | c (une version strictement identique a l'ancien modele) |
---|
| 875 | c Objet: calculer le coefficient du frottement du sol (Cdrag) et les |
---|
| 876 | c coefficients d'echange turbulent dans l'atmosphere. |
---|
| 877 | c Arguments: |
---|
| 878 | c nsrf-----input-I- indicateur de la nature du sol |
---|
| 879 | c knon-----input-I- nombre de points a traiter |
---|
| 880 | c paprs----input-R- pression a chaque intercouche (en Pa) |
---|
| 881 | c pplay----input-R- pression au milieu de chaque couche (en Pa) |
---|
| 882 | c ts-------input-R- temperature du sol (en Kelvin) |
---|
| 883 | c rugos----input-R- longeur de rugosite (en m) |
---|
| 884 | c xlat-----input-R- latitude en degree |
---|
| 885 | c u--------input-R- vitesse u |
---|
| 886 | c v--------input-R- vitesse v |
---|
| 887 | c t--------input-R- temperature (K) |
---|
| 888 | c q--------input-R- vapeur d'eau (kg/kg) |
---|
| 889 | c |
---|
| 890 | c itop-----output-I- numero de couche du sommet de la couche limite |
---|
| 891 | c pcfm-----output-R- coefficients a calculer (vitesse) |
---|
| 892 | c pcfh-----output-R- coefficients a calculer (chaleur et humidite) |
---|
| 893 | c====================================================================== |
---|
| 894 | #include "dimensions.h" |
---|
| 895 | #include "dimphy.h" |
---|
| 896 | #include "YOMCST.h" |
---|
| 897 | #include "indicesol.h" |
---|
| 898 | c |
---|
| 899 | c Arguments: |
---|
| 900 | c |
---|
| 901 | INTEGER knon, nsrf |
---|
| 902 | REAL ts(klon) |
---|
| 903 | REAL paprs(klon,klev+1), pplay(klon,klev) |
---|
| 904 | REAL u(klon,klev), v(klon,klev), t(klon,klev), q(klon,klev) |
---|
| 905 | REAL rugos(klon) |
---|
| 906 | REAL xlat(klon) |
---|
| 907 | c |
---|
| 908 | REAL pcfm(klon,klev), pcfh(klon,klev) |
---|
| 909 | INTEGER itop(klon) |
---|
| 910 | c |
---|
| 911 | c Quelques constantes et options: |
---|
| 912 | c |
---|
| 913 | REAL cepdu2, ckap, cb, cc, cd, clam |
---|
| 914 | PARAMETER (cepdu2 =(0.1)**2) |
---|
| 915 | PARAMETER (ckap=0.35) |
---|
| 916 | PARAMETER (cb=5.0) |
---|
| 917 | PARAMETER (cc=5.0) |
---|
| 918 | PARAMETER (cd=5.0) |
---|
| 919 | PARAMETER (clam=160.0) |
---|
| 920 | REAL ratqs ! largeur de distribution de vapeur d'eau |
---|
[39] | 921 | PARAMETER (ratqs=0.05) |
---|
[2] | 922 | LOGICAL richum ! utilise le nombre de Richardson humide |
---|
| 923 | PARAMETER (richum=.TRUE.) |
---|
| 924 | REAL ric ! nombre de Richardson critique |
---|
| 925 | PARAMETER(ric=0.4) |
---|
| 926 | REAL prandtl |
---|
| 927 | PARAMETER (prandtl=0.4) |
---|
| 928 | REAL kstable ! diffusion minimale (situation stable) |
---|
[39] | 929 | PARAMETER (kstable=1.0e-10) |
---|
[2] | 930 | REAL mixlen ! constante controlant longueur de melange |
---|
| 931 | PARAMETER (mixlen=35.0) |
---|
| 932 | INTEGER isommet ! le sommet de la couche limite |
---|
| 933 | PARAMETER (isommet=klev) |
---|
| 934 | LOGICAL tvirtu ! calculer Ri d'une maniere plus performante |
---|
| 935 | PARAMETER (tvirtu=.TRUE.) |
---|
| 936 | LOGICAL opt_ec ! formule du Centre Europeen dans l'atmosphere |
---|
| 937 | PARAMETER (opt_ec=.FALSE.) |
---|
| 938 | LOGICAL contreg ! utiliser le contre-gradient dans Ri |
---|
| 939 | PARAMETER (contreg=.TRUE.) |
---|
| 940 | c |
---|
| 941 | c Variables locales: |
---|
| 942 | c |
---|
| 943 | INTEGER i, k |
---|
| 944 | REAL zgeop(klon,klev) |
---|
| 945 | REAL zmgeom(klon) |
---|
| 946 | REAL zri(klon) |
---|
| 947 | REAL zl2(klon) |
---|
| 948 | REAL zcfm1(klon), zcfm2(klon) |
---|
| 949 | REAL zcfh1(klon), zcfh2(klon) |
---|
| 950 | REAL zdphi, zdu2, ztvd, ztvu, ztsolv, zcdn |
---|
| 951 | REAL zscf, zucf, zcr |
---|
| 952 | REAL zt, zq, zdelta, zcvm5, zcor, zqs, zfr, zdqs |
---|
| 953 | REAL z2geomf, zalh2, zalm2, zscfh, zscfm |
---|
| 954 | REAL t_coup |
---|
| 955 | PARAMETER (t_coup=273.15) |
---|
| 956 | c |
---|
| 957 | c contre-gradient pour la chaleur sensible: Kelvin/metre |
---|
| 958 | REAL gamt(2:klev) |
---|
| 959 | c |
---|
| 960 | LOGICAL appel1er |
---|
| 961 | SAVE appel1er |
---|
| 962 | c |
---|
| 963 | c Fonctions thermodynamiques et fonctions d'instabilite |
---|
| 964 | REAL fsta, fins, x |
---|
| 965 | LOGICAL zxli ! utiliser un jeu de fonctions simples |
---|
| 966 | PARAMETER (zxli=.FALSE.) |
---|
| 967 | c |
---|
| 968 | #include "YOETHF.h" |
---|
| 969 | #include "FCTTRE.h" |
---|
| 970 | fsta(x) = 1.0 / (1.0+10.0*x*(1+8.0*x)) |
---|
| 971 | fins(x) = SQRT(1.0-18.0*x) |
---|
| 972 | c |
---|
| 973 | DATA appel1er /.TRUE./ |
---|
| 974 | c |
---|
| 975 | IF (appel1er) THEN |
---|
| 976 | PRINT*, 'coefkz, opt_ec:', opt_ec |
---|
| 977 | PRINT*, 'coefkz, richum:', richum |
---|
| 978 | IF (richum) PRINT*, 'coefkz, ratqs:', ratqs |
---|
| 979 | PRINT*, 'coefkz, isommet:', isommet |
---|
| 980 | PRINT*, 'coefkz, tvirtu:', tvirtu |
---|
| 981 | appel1er = .FALSE. |
---|
| 982 | ENDIF |
---|
| 983 | c |
---|
| 984 | c Initialiser les sorties |
---|
| 985 | c |
---|
| 986 | DO k = 1, klev |
---|
| 987 | DO i = 1, knon |
---|
| 988 | pcfm(i,k) = 0.0 |
---|
| 989 | pcfh(i,k) = 0.0 |
---|
| 990 | ENDDO |
---|
| 991 | ENDDO |
---|
| 992 | DO i = 1, knon |
---|
| 993 | itop(i) = 0 |
---|
| 994 | ENDDO |
---|
| 995 | c |
---|
| 996 | c Prescrire la valeur de contre-gradient |
---|
| 997 | c |
---|
[39] | 998 | IF (.NOT.contreg) THEN |
---|
[2] | 999 | DO k = 2, klev |
---|
| 1000 | gamt(k) = 0.0 |
---|
| 1001 | ENDDO |
---|
| 1002 | ELSE |
---|
| 1003 | DO k = 3, klev |
---|
| 1004 | gamt(k) = -1.0E-03 |
---|
| 1005 | ENDDO |
---|
| 1006 | gamt(2) = -2.5E-03 |
---|
| 1007 | ENDIF |
---|
| 1008 | c |
---|
| 1009 | c Calculer les geopotentiels de chaque couche |
---|
| 1010 | c |
---|
| 1011 | DO i = 1, knon |
---|
| 1012 | zgeop(i,1) = RD * t(i,1) / (0.5*(paprs(i,1)+pplay(i,1))) |
---|
| 1013 | . * (paprs(i,1)-pplay(i,1)) |
---|
| 1014 | ENDDO |
---|
| 1015 | DO k = 2, klev |
---|
| 1016 | DO i = 1, knon |
---|
| 1017 | zgeop(i,k) = zgeop(i,k-1) |
---|
| 1018 | . + RD * 0.5*(t(i,k-1)+t(i,k)) / paprs(i,k) |
---|
| 1019 | . * (pplay(i,k-1)-pplay(i,k)) |
---|
| 1020 | ENDDO |
---|
| 1021 | ENDDO |
---|
| 1022 | c |
---|
| 1023 | c Calculer le frottement au sol (Cdrag) |
---|
| 1024 | c |
---|
| 1025 | DO i = 1, knon |
---|
| 1026 | zdu2=max(cepdu2,u(i,1)**2+v(i,1)**2) |
---|
| 1027 | zdphi=zgeop(i,1) |
---|
| 1028 | ztsolv = ts(i) * (1.0+RETV*q(i,1)) ! qsol approx = q(i,1) |
---|
| 1029 | ztvd=(t(i,1)+zdphi/RCPD/(1.+RVTMP2*q(i,1))) |
---|
| 1030 | . *(1.+RETV*q(i,1)) |
---|
| 1031 | zri(i)=zgeop(i,1)*(ztvd-ztsolv)/(zdu2*ztvd) |
---|
| 1032 | zcdn = (ckap/log(1.+zgeop(i,1)/(RG*rugos(i))))**2 |
---|
| 1033 | IF (zri(i) .ge. 0.) THEN ! situation stable |
---|
| 1034 | IF (.NOT.zxli) THEN |
---|
| 1035 | zscf=SQRT(1.+cd*ABS(zri(i))) |
---|
| 1036 | zcfm1(i) = zcdn/(1.+2.0*cb*zri(i)/zscf) |
---|
| 1037 | zcfh1(i) = zcdn/(1.+3.0*cb*zri(i)*zscf) |
---|
| 1038 | pcfm(i,1) = zcfm1(i) |
---|
| 1039 | pcfh(i,1) = zcfh1(i) |
---|
| 1040 | ELSE |
---|
| 1041 | pcfm(i,1) = zcdn* fsta(zri(i)) |
---|
| 1042 | pcfh(i,1) = zcdn* fsta(zri(i)) |
---|
| 1043 | ENDIF |
---|
| 1044 | ELSE ! situation instable |
---|
| 1045 | IF (.NOT.zxli) THEN |
---|
| 1046 | zucf=1./(1.+3.0*cb*cc*zcdn*SQRT(ABS(zri(i)) |
---|
| 1047 | . *(1.0+zgeop(i,1)/(RG*rugos(i))))) |
---|
| 1048 | zcfm2(i) = zcdn*(1.-2.0*cb*zri(i)*zucf) |
---|
| 1049 | zcfh2(i) = zcdn*(1.-3.0*cb*zri(i)*zucf) |
---|
| 1050 | pcfm(i,1) = zcfm2(i) |
---|
| 1051 | pcfh(i,1) = zcfh2(i) |
---|
| 1052 | ELSE |
---|
| 1053 | pcfm(i,1) = zcdn* fins(zri(i)) |
---|
| 1054 | pcfh(i,1) = zcdn* fins(zri(i)) |
---|
| 1055 | ENDIF |
---|
| 1056 | zcr = (0.0016/(zcdn*SQRT(zdu2)))*ABS(ztvd-ztsolv)**(1./3.) |
---|
| 1057 | IF(nsrf.EQ.is_oce)pcfh(i,1)=zcdn*(1.0+zcr**1.25)**(1./1.25) |
---|
| 1058 | ENDIF |
---|
| 1059 | ENDDO |
---|
| 1060 | c |
---|
| 1061 | c Calculer les coefficients turbulents dans l'atmosphere |
---|
| 1062 | c |
---|
| 1063 | DO i = 1, knon |
---|
| 1064 | itop(i) = isommet |
---|
| 1065 | ENDDO |
---|
| 1066 | |
---|
| 1067 | DO k = 2, isommet |
---|
| 1068 | DO i = 1, knon |
---|
| 1069 | zdu2=MAX(cepdu2,(u(i,k)-u(i,k-1))**2 |
---|
| 1070 | . +(v(i,k)-v(i,k-1))**2) |
---|
| 1071 | zmgeom(i)=zgeop(i,k)-zgeop(i,k-1) |
---|
| 1072 | zdphi =zmgeom(i) / 2.0 |
---|
| 1073 | zt = (t(i,k)+t(i,k-1)) * 0.5 |
---|
| 1074 | zq = (q(i,k)+q(i,k-1)) * 0.5 |
---|
| 1075 | c |
---|
| 1076 | c calculer Qs et dQs/dT: |
---|
| 1077 | c |
---|
| 1078 | IF (thermcep) THEN |
---|
| 1079 | zdelta = MAX(0.,SIGN(1.,RTT-zt)) |
---|
| 1080 | zcvm5 = R5LES*RLVTT/RCPD/(1.0+RVTMP2*zq)*(1.-zdelta) |
---|
| 1081 | . + R5IES*RLSTT/RCPD/(1.0+RVTMP2*zq)*zdelta |
---|
| 1082 | zqs = R2ES * FOEEW(zt,zdelta) / pplay(i,k) |
---|
| 1083 | zqs = MIN(0.5,zqs) |
---|
| 1084 | zcor = 1./(1.-RETV*zqs) |
---|
| 1085 | zqs = zqs*zcor |
---|
| 1086 | zdqs = FOEDE(zt,zdelta,zcvm5,zqs,zcor) |
---|
| 1087 | ELSE |
---|
| 1088 | IF (zt .LT. t_coup) THEN |
---|
| 1089 | zqs = qsats(zt) / pplay(i,k) |
---|
| 1090 | zdqs = dqsats(zt,zqs) |
---|
| 1091 | ELSE |
---|
| 1092 | zqs = qsatl(zt) / pplay(i,k) |
---|
| 1093 | zdqs = dqsatl(zt,zqs) |
---|
| 1094 | ENDIF |
---|
| 1095 | ENDIF |
---|
| 1096 | c |
---|
| 1097 | c calculer la fraction nuageuse (processus humide): |
---|
| 1098 | c |
---|
| 1099 | zfr = (zq+ratqs*zq-zqs) / (2.0*ratqs*zq) |
---|
| 1100 | zfr = MAX(0.0,MIN(1.0,zfr)) |
---|
| 1101 | IF (.NOT.richum) zfr = 0.0 |
---|
| 1102 | c |
---|
| 1103 | c calculer le nombre de Richardson: |
---|
| 1104 | c |
---|
| 1105 | IF (tvirtu) THEN |
---|
| 1106 | ztvd =( t(i,k) |
---|
| 1107 | . + zdphi/RCPD/(1.+RVTMP2*zq) |
---|
| 1108 | . *( (1.-zfr) + zfr*(1.+RLVTT*zqs/RD/zt)/(1.+zdqs) ) |
---|
| 1109 | . )*(1.+RETV*q(i,k)) |
---|
| 1110 | ztvu =( t(i,k-1) |
---|
| 1111 | . - zdphi/RCPD/(1.+RVTMP2*zq) |
---|
| 1112 | . *( (1.-zfr) + zfr*(1.+RLVTT*zqs/RD/zt)/(1.+zdqs) ) |
---|
| 1113 | . )*(1.+RETV*q(i,k-1)) |
---|
| 1114 | zri(i) =zmgeom(i)*(ztvd-ztvu)/(zdu2*0.5*(ztvd+ztvu)) |
---|
| 1115 | zri(i) = zri(i) |
---|
| 1116 | . + zmgeom(i)*zmgeom(i)/RG*gamt(k) |
---|
| 1117 | . *(paprs(i,k)/101325.0)**RKAPPA |
---|
| 1118 | . /(zdu2*0.5*(ztvd+ztvu)) |
---|
| 1119 | c |
---|
| 1120 | ELSE ! calcul de Ridchardson compatible LMD5 |
---|
| 1121 | c |
---|
| 1122 | zri(i) =(RCPD*(t(i,k)-t(i,k-1)) |
---|
| 1123 | . -RD*0.5*(t(i,k)+t(i,k-1))/paprs(i,k) |
---|
| 1124 | . *(pplay(i,k)-pplay(i,k-1)) |
---|
| 1125 | . )*zmgeom(i)/(zdu2*0.5*RCPD*(t(i,k-1)+t(i,k))) |
---|
| 1126 | zri(i) = zri(i) + |
---|
| 1127 | . zmgeom(i)*zmgeom(i)*gamt(k)/RG |
---|
| 1128 | cSB . /(paprs(i,k)/101325.0)**RKAPPA |
---|
| 1129 | . *(paprs(i,k)/101325.0)**RKAPPA |
---|
| 1130 | . /(zdu2*0.5*(t(i,k-1)+t(i,k))) |
---|
| 1131 | ENDIF |
---|
| 1132 | c |
---|
| 1133 | c finalement, les coefficients d'echange sont obtenus: |
---|
| 1134 | c |
---|
| 1135 | zcdn=SQRT(zdu2) / zmgeom(i) * RG |
---|
| 1136 | c |
---|
| 1137 | IF (opt_ec) THEN |
---|
| 1138 | z2geomf=zgeop(i,k-1)+zgeop(i,k) |
---|
| 1139 | zalm2=(0.5*ckap/RG*z2geomf |
---|
| 1140 | . /(1.+0.5*ckap/rg/clam*z2geomf))**2 |
---|
| 1141 | zalh2=(0.5*ckap/rg*z2geomf |
---|
| 1142 | . /(1.+0.5*ckap/RG/(clam*SQRT(1.5*cd))*z2geomf))**2 |
---|
| 1143 | IF (zri(i).LT.0.0) THEN ! situation instable |
---|
| 1144 | zscf = ((zgeop(i,k)/zgeop(i,k-1))**(1./3.)-1.)**3 |
---|
| 1145 | . / (zmgeom(i)/RG)**3 / (zgeop(i,k-1)/RG) |
---|
| 1146 | zscf = SQRT(-zri(i)*zscf) |
---|
| 1147 | zscfm = 1.0 / (1.0+3.0*cb*cc*zalm2*zscf) |
---|
| 1148 | zscfh = 1.0 / (1.0+3.0*cb*cc*zalh2*zscf) |
---|
| 1149 | pcfm(i,k)=zcdn*zalm2*(1.-2.0*cb*zri(i)*zscfm) |
---|
| 1150 | pcfh(i,k)=zcdn*zalh2*(1.-3.0*cb*zri(i)*zscfh) |
---|
| 1151 | ELSE ! situation stable |
---|
| 1152 | zscf=SQRT(1.+cd*zri(i)) |
---|
| 1153 | pcfm(i,k)=zcdn*zalm2/(1.+2.0*cb*zri(i)/zscf) |
---|
| 1154 | pcfh(i,k)=zcdn*zalh2/(1.+3.0*cb*zri(i)*zscf) |
---|
| 1155 | ENDIF |
---|
| 1156 | ELSE |
---|
| 1157 | zl2(i)=(mixlen*MAX(0.0,(paprs(i,k)-paprs(i,itop(i)+1)) |
---|
| 1158 | . /(paprs(i,2)-paprs(i,itop(i)+1)) ))**2 |
---|
| 1159 | pcfm(i,k)=sqrt(max(zcdn*zcdn*(ric-zri(i))/ric, kstable)) |
---|
| 1160 | pcfm(i,k)= zl2(i)* pcfm(i,k) |
---|
| 1161 | pcfh(i,k) = pcfm(i,k) /prandtl ! h et m different |
---|
| 1162 | ENDIF |
---|
| 1163 | ENDDO |
---|
| 1164 | ENDDO |
---|
| 1165 | c |
---|
| 1166 | c Au-dela du sommet, pas de diffusion turbulente: |
---|
| 1167 | c |
---|
| 1168 | DO i = 1, knon |
---|
| 1169 | IF (itop(i)+1 .LE. klev) THEN |
---|
| 1170 | DO k = itop(i)+1, klev |
---|
| 1171 | pcfh(i,k) = 0.0 |
---|
| 1172 | pcfm(i,k) = 0.0 |
---|
| 1173 | ENDDO |
---|
| 1174 | ENDIF |
---|
| 1175 | ENDDO |
---|
| 1176 | c |
---|
| 1177 | RETURN |
---|
| 1178 | END |
---|
[39] | 1179 | SUBROUTINE coefkz2(nsrf, knon, paprs, pplay,t, |
---|
| 1180 | . pcfm, pcfh) |
---|
| 1181 | IMPLICIT none |
---|
| 1182 | c====================================================================== |
---|
| 1183 | c J'introduit un peu de diffusion sauf dans les endroits |
---|
| 1184 | c ou une forte inversion est presente |
---|
| 1185 | c On peut dire qu'il represente la convection peu profonde |
---|
| 1186 | c |
---|
| 1187 | c Arguments: |
---|
| 1188 | c nsrf-----input-I- indicateur de la nature du sol |
---|
| 1189 | c knon-----input-I- nombre de points a traiter |
---|
| 1190 | c paprs----input-R- pression a chaque intercouche (en Pa) |
---|
| 1191 | c pplay----input-R- pression au milieu de chaque couche (en Pa) |
---|
| 1192 | c t--------input-R- temperature (K) |
---|
| 1193 | c |
---|
| 1194 | c pcfm-----output-R- coefficients a calculer (vitesse) |
---|
| 1195 | c pcfh-----output-R- coefficients a calculer (chaleur et humidite) |
---|
| 1196 | c====================================================================== |
---|
| 1197 | #include "dimensions.h" |
---|
| 1198 | #include "dimphy.h" |
---|
| 1199 | #include "YOMCST.h" |
---|
| 1200 | #include "indicesol.h" |
---|
| 1201 | c |
---|
| 1202 | c Arguments: |
---|
| 1203 | c |
---|
| 1204 | INTEGER knon, nsrf |
---|
| 1205 | REAL paprs(klon,klev+1), pplay(klon,klev) |
---|
| 1206 | REAL t(klon,klev) |
---|
| 1207 | c |
---|
| 1208 | REAL pcfm(klon,klev), pcfh(klon,klev) |
---|
| 1209 | c |
---|
| 1210 | c Quelques constantes et options: |
---|
| 1211 | c |
---|
| 1212 | REAL prandtl |
---|
| 1213 | PARAMETER (prandtl=0.4) |
---|
| 1214 | REAL kstable |
---|
| 1215 | PARAMETER (kstable=0.002) |
---|
| 1216 | ccc PARAMETER (kstable=0.001) |
---|
| 1217 | REAL mixlen ! constante controlant longueur de melange |
---|
| 1218 | PARAMETER (mixlen=35.0) |
---|
| 1219 | REAL seuil ! au-dela l'inversion est consideree trop faible |
---|
| 1220 | PARAMETER (seuil=-0.02) |
---|
| 1221 | ccc PARAMETER (seuil=-0.04) |
---|
| 1222 | ccc PARAMETER (seuil=-0.06) |
---|
| 1223 | ccc PARAMETER (seuil=-0.09) |
---|
| 1224 | c |
---|
| 1225 | c Variables locales: |
---|
| 1226 | c |
---|
| 1227 | INTEGER i, k, invb(klon) |
---|
| 1228 | REAL zl2(klon) |
---|
| 1229 | REAL zdthmin(klon), zdthdp |
---|
| 1230 | c |
---|
| 1231 | c Initialiser les sorties |
---|
| 1232 | c |
---|
| 1233 | DO k = 1, klev |
---|
| 1234 | DO i = 1, knon |
---|
| 1235 | pcfm(i,k) = 0.0 |
---|
| 1236 | pcfh(i,k) = 0.0 |
---|
| 1237 | ENDDO |
---|
| 1238 | ENDDO |
---|
| 1239 | c |
---|
| 1240 | c Chercher la zone d'inversion forte |
---|
| 1241 | c |
---|
| 1242 | DO i = 1, klon |
---|
| 1243 | invb(i) = klev |
---|
| 1244 | zdthmin(i)=0.0 |
---|
| 1245 | ENDDO |
---|
| 1246 | DO k = 2, klev/2-1 |
---|
| 1247 | DO i = 1, klon |
---|
| 1248 | zdthdp = (t(i,k)-t(i,k+1))/(pplay(i,k)-pplay(i,k+1)) |
---|
| 1249 | . - RD * 0.5*(t(i,k)+t(i,k+1))/RCPD/paprs(i,k+1) |
---|
| 1250 | zdthdp = zdthdp * 100.0 |
---|
| 1251 | IF (pplay(i,k).GT.0.8*paprs(i,1) .AND. |
---|
| 1252 | . zdthdp.LT.zdthmin(i) ) THEN |
---|
| 1253 | zdthmin(i) = zdthdp |
---|
| 1254 | invb(i) = k |
---|
| 1255 | ENDIF |
---|
| 1256 | ENDDO |
---|
| 1257 | ENDDO |
---|
| 1258 | c |
---|
| 1259 | c Introduire une diffusion: |
---|
| 1260 | c |
---|
| 1261 | DO k = 2, klev |
---|
| 1262 | DO i = 1, knon |
---|
| 1263 | IF ( (nsrf.NE.is_oce) .OR. ! si ce n'est pas sur l'ocean |
---|
| 1264 | . (invb(i).EQ.klev) .OR. ! s'il n'y a pas d'inversion |
---|
| 1265 | . (zdthmin(i).GT.seuil) )THEN ! si l'inversion est trop faible |
---|
| 1266 | zl2(i)=(mixlen*MAX(0.0,(paprs(i,k)-paprs(i,klev+1)) |
---|
| 1267 | . /(paprs(i,2)-paprs(i,klev+1)) ))**2 |
---|
| 1268 | pcfm(i,k)= zl2(i)* kstable |
---|
| 1269 | pcfh(i,k) = pcfm(i,k) /prandtl ! h et m different |
---|
| 1270 | ENDIF |
---|
| 1271 | ENDDO |
---|
| 1272 | ENDDO |
---|
| 1273 | c |
---|
| 1274 | RETURN |
---|
| 1275 | END |
---|
[98] | 1276 | SUBROUTINE calbeta(dtime,indice,knon,snow,qsol, |
---|
[2] | 1277 | . vbeta,vcal,vdif) |
---|
| 1278 | IMPLICIT none |
---|
| 1279 | c====================================================================== |
---|
| 1280 | c Auteur(s): Z.X. Li (LMD/CNRS) (adaptation du GCM du LMD) |
---|
| 1281 | c date: 19940414 |
---|
| 1282 | c====================================================================== |
---|
| 1283 | c |
---|
| 1284 | c Calculer quelques parametres pour appliquer la couche limite |
---|
| 1285 | c ------------------------------------------------------------ |
---|
[98] | 1286 | !#include "dimensions.h" |
---|
| 1287 | !#include "dimphy.h" |
---|
[2] | 1288 | #include "YOMCST.h" |
---|
| 1289 | #include "indicesol.h" |
---|
| 1290 | REAL tau_gl ! temps de relaxation pour la glace de mer |
---|
[39] | 1291 | ccc PARAMETER (tau_gl=86400.0*30.0) |
---|
| 1292 | PARAMETER (tau_gl=86400.0*5.0) |
---|
[2] | 1293 | REAL mx_eau_sol |
---|
| 1294 | PARAMETER (mx_eau_sol=150.0) |
---|
| 1295 | c |
---|
| 1296 | REAL calsol, calsno, calice ! epaisseur du sol: 0.15 m |
---|
| 1297 | PARAMETER (calsol=1.0/(2.5578E+06*0.15)) |
---|
| 1298 | PARAMETER (calsno=1.0/(2.3867E+06*0.15)) |
---|
| 1299 | PARAMETER (calice=1.0/(5.1444E+06*0.15)) |
---|
| 1300 | C |
---|
| 1301 | INTEGER i |
---|
| 1302 | c |
---|
| 1303 | REAL dtime |
---|
[98] | 1304 | REAL snow(knon,nbsrf), qsol(knon,nbsrf) |
---|
| 1305 | INTEGER indice, knon |
---|
[2] | 1306 | C |
---|
[98] | 1307 | REAL vbeta(knon) |
---|
| 1308 | REAL vcal(knon) |
---|
| 1309 | REAL vdif(knon) |
---|
[2] | 1310 | C |
---|
| 1311 | IF (indice.EQ.is_oce) THEN |
---|
[98] | 1312 | DO i = 1, knon |
---|
[2] | 1313 | vcal(i) = 0.0 |
---|
| 1314 | vbeta(i) = 1.0 |
---|
| 1315 | vdif(i) = 0.0 |
---|
| 1316 | ENDDO |
---|
| 1317 | ENDIF |
---|
| 1318 | c |
---|
| 1319 | IF (indice.EQ.is_sic) THEN |
---|
[98] | 1320 | DO i = 1, knon |
---|
[2] | 1321 | vcal(i) = calice |
---|
| 1322 | IF (snow(i,is_sic) .GT. 0.0) vcal(i) = calsno |
---|
| 1323 | vbeta(i) = 1.0 |
---|
[39] | 1324 | vdif(i) = 1.0/tau_gl |
---|
| 1325 | ccc vdif(i) = calice/tau_gl ! c'etait une erreur |
---|
[2] | 1326 | ENDDO |
---|
| 1327 | ENDIF |
---|
| 1328 | c |
---|
| 1329 | IF (indice.EQ.is_ter) THEN |
---|
[98] | 1330 | DO i = 1, knon |
---|
[2] | 1331 | vcal(i) = calsol |
---|
| 1332 | IF (snow(i,is_ter) .GT. 0.0) vcal(i) = calsno |
---|
| 1333 | vbeta(i) = MIN(2.0*qsol(i,is_ter)/mx_eau_sol, 1.0) |
---|
| 1334 | vdif(i) = 0.0 |
---|
| 1335 | ENDDO |
---|
| 1336 | ENDIF |
---|
| 1337 | c |
---|
| 1338 | IF (indice.EQ.is_lic) THEN |
---|
[98] | 1339 | DO i = 1, knon |
---|
[2] | 1340 | vcal(i) = calice |
---|
| 1341 | IF (snow(i,is_lic) .GT. 0.0) vcal(i) = calsno |
---|
| 1342 | vbeta(i) = 1.0 |
---|
| 1343 | vdif(i) = 0.0 |
---|
| 1344 | ENDDO |
---|
| 1345 | ENDIF |
---|
| 1346 | c |
---|
| 1347 | RETURN |
---|
| 1348 | END |
---|
| 1349 | C====================================================================== |
---|
| 1350 | SUBROUTINE nonlocal(knon, paprs, pplay, |
---|
| 1351 | . tsol,beta,u,v,t,q, |
---|
| 1352 | . cd_h, cd_m, pcfh, pcfm, cgh, cgq) |
---|
| 1353 | IMPLICIT none |
---|
| 1354 | c====================================================================== |
---|
| 1355 | c Laurent Li (LMD/CNRS), le 30 septembre 1998 |
---|
| 1356 | c Couche limite non-locale. Adaptation du code du CCM3. |
---|
| 1357 | c Code non teste, donc a ne pas utiliser. |
---|
| 1358 | c====================================================================== |
---|
| 1359 | c Nonlocal scheme that determines eddy diffusivities based on a |
---|
| 1360 | c diagnosed boundary layer height and a turbulent velocity scale. |
---|
| 1361 | c Also countergradient effects for heat and moisture are included. |
---|
| 1362 | c |
---|
| 1363 | c For more information, see Holtslag, A.A.M., and B.A. Boville, 1993: |
---|
| 1364 | c Local versus nonlocal boundary-layer diffusion in a global climate |
---|
| 1365 | c model. J. of Climate, vol. 6, 1825-1842. |
---|
| 1366 | c====================================================================== |
---|
| 1367 | #include "dimensions.h" |
---|
| 1368 | #include "dimphy.h" |
---|
| 1369 | #include "YOMCST.h" |
---|
| 1370 | c |
---|
| 1371 | c Arguments: |
---|
| 1372 | c |
---|
| 1373 | INTEGER knon ! nombre de points a calculer |
---|
| 1374 | REAL tsol(klon) ! temperature du sol (K) |
---|
| 1375 | REAL beta(klon) ! efficacite d'evaporation (entre 0 et 1) |
---|
| 1376 | REAL paprs(klon,klev+1) ! pression a inter-couche (Pa) |
---|
| 1377 | REAL pplay(klon,klev) ! pression au milieu de couche (Pa) |
---|
| 1378 | REAL u(klon,klev) ! vitesse U (m/s) |
---|
| 1379 | REAL v(klon,klev) ! vitesse V (m/s) |
---|
| 1380 | REAL t(klon,klev) ! temperature (K) |
---|
| 1381 | REAL q(klon,klev) ! vapeur d'eau (kg/kg) |
---|
| 1382 | REAL cd_h(klon) ! coefficient de friction au sol pour chaleur |
---|
| 1383 | REAL cd_m(klon) ! coefficient de friction au sol pour vitesse |
---|
| 1384 | c |
---|
| 1385 | INTEGER isommet |
---|
| 1386 | PARAMETER (isommet=klev) |
---|
| 1387 | REAL vk |
---|
| 1388 | PARAMETER (vk=0.35) |
---|
| 1389 | REAL ricr |
---|
| 1390 | PARAMETER (ricr=0.4) |
---|
| 1391 | REAL fak |
---|
| 1392 | PARAMETER (fak=8.5) |
---|
| 1393 | REAL fakn |
---|
| 1394 | PARAMETER (fakn=7.2) |
---|
| 1395 | REAL onet |
---|
| 1396 | PARAMETER (onet=1.0/3.0) |
---|
| 1397 | REAL t_coup |
---|
| 1398 | PARAMETER(t_coup=273.15) |
---|
| 1399 | REAL zkmin |
---|
| 1400 | PARAMETER (zkmin=0.01) |
---|
| 1401 | REAL betam |
---|
| 1402 | PARAMETER (betam=15.0) |
---|
| 1403 | REAL betah |
---|
| 1404 | PARAMETER (betah=15.0) |
---|
| 1405 | REAL betas |
---|
| 1406 | PARAMETER (betas=5.0) |
---|
| 1407 | REAL sffrac |
---|
| 1408 | PARAMETER (sffrac=0.1) |
---|
| 1409 | REAL binm |
---|
| 1410 | PARAMETER (binm=betam*sffrac) |
---|
| 1411 | REAL binh |
---|
| 1412 | PARAMETER (binh=betah*sffrac) |
---|
| 1413 | REAL ccon |
---|
| 1414 | PARAMETER (ccon=fak*sffrac*vk) |
---|
| 1415 | c |
---|
| 1416 | REAL z(klon,klev) |
---|
| 1417 | REAL pcfm(klon,klev), pcfh(klon,klev) |
---|
| 1418 | c |
---|
| 1419 | INTEGER i, k |
---|
| 1420 | REAL zxt, zxq, zxu, zxv, zxmod, taux, tauy |
---|
| 1421 | REAL zx_alf1, zx_alf2 ! parametres pour extrapolation |
---|
| 1422 | REAL khfs(klon) ! surface kinematic heat flux [mK/s] |
---|
| 1423 | REAL kqfs(klon) ! sfc kinematic constituent flux [m/s] |
---|
| 1424 | REAL heatv(klon) ! surface virtual heat flux |
---|
| 1425 | REAL ustar(klon) |
---|
| 1426 | REAL rino(klon,klev) ! bulk Richardon no. from level to ref lev |
---|
| 1427 | LOGICAL unstbl(klon) ! pts w/unstbl pbl (positive virtual ht flx) |
---|
| 1428 | LOGICAL stblev(klon) ! stable pbl with levels within pbl |
---|
| 1429 | LOGICAL unslev(klon) ! unstbl pbl with levels within pbl |
---|
| 1430 | LOGICAL unssrf(klon) ! unstb pbl w/lvls within srf pbl lyr |
---|
| 1431 | LOGICAL unsout(klon) ! unstb pbl w/lvls in outer pbl lyr |
---|
| 1432 | LOGICAL check(klon) ! True=>chk if Richardson no.>critcal |
---|
| 1433 | REAL pblh(klon) |
---|
| 1434 | REAL cgh(klon,2:klev) ! counter-gradient term for heat [K/m] |
---|
| 1435 | REAL cgq(klon,2:klev) ! counter-gradient term for constituents |
---|
| 1436 | REAL cgs(klon,2:klev) ! counter-gradient star (cg/flux) |
---|
| 1437 | REAL obklen(klon) |
---|
| 1438 | REAL ztvd, ztvu, zdu2 |
---|
| 1439 | REAL therm(klon) ! thermal virtual temperature excess |
---|
| 1440 | REAL phiminv(klon) ! inverse phi function for momentum |
---|
| 1441 | REAL phihinv(klon) ! inverse phi function for heat |
---|
| 1442 | REAL wm(klon) ! turbulent velocity scale for momentum |
---|
| 1443 | REAL fak1(klon) ! k*ustar*pblh |
---|
| 1444 | REAL fak2(klon) ! k*wm*pblh |
---|
| 1445 | REAL fak3(klon) ! fakn*wstr/wm |
---|
| 1446 | REAL pblk(klon) ! level eddy diffusivity for momentum |
---|
| 1447 | REAL pr(klon) ! Prandtl number for eddy diffusivities |
---|
| 1448 | REAL zl(klon) ! zmzp / Obukhov length |
---|
| 1449 | REAL zh(klon) ! zmzp / pblh |
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| 1450 | REAL zzh(klon) ! (1-(zmzp/pblh))**2 |
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| 1451 | REAL wstr(klon) ! w*, convective velocity scale |
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| 1452 | REAL zm(klon) ! current level height |
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| 1453 | REAL zp(klon) ! current level height + one level up |
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| 1454 | REAL zcor, zdelta, zcvm5, zxqs |
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| 1455 | REAL fac, pblmin, zmzp, term |
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| 1456 | c |
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| 1457 | #include "YOETHF.h" |
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| 1458 | #include "FCTTRE.h" |
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| 1459 | c |
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| 1460 | c Initialisation |
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| 1461 | c |
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| 1462 | DO i = 1, klon |
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| 1463 | pcfh(i,1) = cd_h(i) |
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| 1464 | pcfm(i,1) = cd_m(i) |
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| 1465 | ENDDO |
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| 1466 | DO k = 2, klev |
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| 1467 | DO i = 1, klon |
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| 1468 | pcfh(i,k) = zkmin |
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| 1469 | pcfm(i,k) = zkmin |
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| 1470 | cgs(i,k) = 0.0 |
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| 1471 | cgh(i,k) = 0.0 |
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| 1472 | cgq(i,k) = 0.0 |
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| 1473 | ENDDO |
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| 1474 | ENDDO |
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| 1475 | c |
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| 1476 | c Calculer les hauteurs de chaque couche |
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| 1477 | c |
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| 1478 | DO i = 1, knon |
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| 1479 | z(i,1) = RD * t(i,1) / (0.5*(paprs(i,1)+pplay(i,1))) |
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| 1480 | . * (paprs(i,1)-pplay(i,1)) / RG |
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| 1481 | ENDDO |
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| 1482 | DO k = 2, klev |
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| 1483 | DO i = 1, knon |
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| 1484 | z(i,k) = z(i,k-1) |
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| 1485 | . + RD * 0.5*(t(i,k-1)+t(i,k)) / paprs(i,k) |
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| 1486 | . * (pplay(i,k-1)-pplay(i,k)) / RG |
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| 1487 | ENDDO |
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| 1488 | ENDDO |
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| 1489 | c |
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| 1490 | DO i = 1, knon |
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| 1491 | IF (thermcep) THEN |
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| 1492 | zdelta=MAX(0.,SIGN(1.,RTT-tsol(i))) |
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| 1493 | zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta |
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| 1494 | zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q(i,1)) |
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| 1495 | zxqs= r2es * FOEEW(tsol(i),zdelta)/paprs(i,1) |
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| 1496 | zxqs=MIN(0.5,zxqs) |
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| 1497 | zcor=1./(1.-retv*zxqs) |
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| 1498 | zxqs=zxqs*zcor |
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| 1499 | ELSE |
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| 1500 | IF (tsol(i).LT.t_coup) THEN |
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| 1501 | zxqs = qsats(tsol(i)) / paprs(i,1) |
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| 1502 | ELSE |
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| 1503 | zxqs = qsatl(tsol(i)) / paprs(i,1) |
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| 1504 | ENDIF |
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| 1505 | ENDIF |
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| 1506 | zx_alf1 = 1.0 |
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| 1507 | zx_alf2 = 1.0 - zx_alf1 |
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| 1508 | zxt = (t(i,1)+z(i,1)*RG/RCPD/(1.+RVTMP2*q(i,1))) |
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| 1509 | . *(1.+RETV*q(i,1))*zx_alf1 |
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| 1510 | . + (t(i,2)+z(i,2)*RG/RCPD/(1.+RVTMP2*q(i,2))) |
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| 1511 | . *(1.+RETV*q(i,2))*zx_alf2 |
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| 1512 | zxu = u(i,1)*zx_alf1+u(i,2)*zx_alf2 |
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| 1513 | zxv = v(i,1)*zx_alf1+v(i,2)*zx_alf2 |
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| 1514 | zxq = q(i,1)*zx_alf1+q(i,2)*zx_alf2 |
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| 1515 | zxmod = 1.0+SQRT(zxu**2+zxv**2) |
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| 1516 | khfs(i) = (tsol(i)*(1.+RETV*q(i,1))-zxt) *zxmod*cd_h(i) |
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| 1517 | kqfs(i) = (zxqs-zxq) *zxmod*cd_h(i) * beta(i) |
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| 1518 | heatv(i) = khfs(i) + 0.61*zxt*kqfs(i) |
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| 1519 | taux = zxu *zxmod*cd_m(i) |
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| 1520 | tauy = zxv *zxmod*cd_m(i) |
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| 1521 | ustar(i) = SQRT(taux**2+tauy**2) |
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| 1522 | ustar(i) = MAX(SQRT(ustar(i)),0.01) |
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| 1523 | ENDDO |
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| 1524 | c |
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| 1525 | DO i = 1, knon |
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| 1526 | rino(i,1) = 0.0 |
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| 1527 | check(i) = .TRUE. |
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| 1528 | pblh(i) = z(i,1) |
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| 1529 | obklen(i) = -t(i,1)*ustar(i)**3/(RG*vk*heatv(i)) |
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| 1530 | ENDDO |
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| 1531 | |
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| 1532 | C |
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| 1533 | C PBL height calculation: |
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| 1534 | C Search for level of pbl. Scan upward until the Richardson number between |
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| 1535 | C the first level and the current level exceeds the "critical" value. |
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| 1536 | C |
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| 1537 | fac = 100.0 |
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| 1538 | DO k = 1, isommet |
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| 1539 | DO i = 1, knon |
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| 1540 | IF (check(i)) THEN |
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| 1541 | zdu2 = (u(i,k)-u(i,1))**2+(v(i,k)-v(i,1))**2+fac*ustar(i)**2 |
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| 1542 | zdu2 = max(zdu2,1.0e-20) |
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| 1543 | ztvd =(t(i,k)+z(i,k)*0.5*RG/RCPD/(1.+RVTMP2*q(i,k))) |
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| 1544 | . *(1.+RETV*q(i,k)) |
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| 1545 | ztvu =(t(i,1)-z(i,k)*0.5*RG/RCPD/(1.+RVTMP2*q(i,1))) |
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| 1546 | . *(1.+RETV*q(i,1)) |
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| 1547 | rino(i,k) = (z(i,k)-z(i,1))*RG*(ztvd-ztvu) |
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| 1548 | . /(zdu2*0.5*(ztvd+ztvu)) |
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| 1549 | IF (rino(i,k).GE.ricr) THEN |
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| 1550 | pblh(i) = z(i,k-1) + (z(i,k-1)-z(i,k)) * |
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| 1551 | . (ricr-rino(i,k-1))/(rino(i,k-1)-rino(i,k)) |
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| 1552 | check(i) = .FALSE. |
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| 1553 | ENDIF |
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| 1554 | ENDIF |
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| 1555 | ENDDO |
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| 1556 | ENDDO |
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| 1557 | |
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| 1558 | C |
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| 1559 | C Set pbl height to maximum value where computation exceeds number of |
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| 1560 | C layers allowed |
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| 1561 | C |
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| 1562 | DO i = 1, knon |
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| 1563 | if (check(i)) pblh(i) = z(i,isommet) |
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| 1564 | ENDDO |
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| 1565 | C |
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| 1566 | C Improve estimate of pbl height for the unstable points. |
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| 1567 | C Find unstable points (sensible heat flux is upward): |
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| 1568 | C |
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| 1569 | DO i = 1, knon |
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| 1570 | IF (heatv(i) .GT. 0.) THEN |
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| 1571 | unstbl(i) = .TRUE. |
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| 1572 | check(i) = .TRUE. |
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| 1573 | ELSE |
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| 1574 | unstbl(i) = .FALSE. |
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| 1575 | check(i) = .FALSE. |
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| 1576 | ENDIF |
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| 1577 | ENDDO |
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| 1578 | C |
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| 1579 | C For the unstable case, compute velocity scale and the |
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| 1580 | C convective temperature excess: |
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| 1581 | C |
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| 1582 | DO i = 1, knon |
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| 1583 | IF (check(i)) THEN |
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| 1584 | phiminv(i) = (1.-binm*pblh(i)/obklen(i))**onet |
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| 1585 | wm(i)= ustar(i)*phiminv(i) |
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| 1586 | therm(i) = heatv(i)*fak/wm(i) |
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| 1587 | rino(i,1) = 0.0 |
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| 1588 | ENDIF |
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| 1589 | ENDDO |
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| 1590 | C |
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| 1591 | C Improve pblh estimate for unstable conditions using the |
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| 1592 | C convective temperature excess: |
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| 1593 | C |
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| 1594 | DO k = 1, isommet |
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| 1595 | DO i = 1, knon |
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| 1596 | IF (check(i)) THEN |
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| 1597 | zdu2 = (u(i,k)-u(i,1))**2+(v(i,k)-v(i,1))**2+fac*ustar(i)**2 |
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| 1598 | zdu2 = max(zdu2,1.0e-20) |
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| 1599 | ztvd =(t(i,k)+z(i,k)*0.5*RG/RCPD/(1.+RVTMP2*q(i,k))) |
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| 1600 | . *(1.+RETV*q(i,k)) |
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| 1601 | ztvu =(t(i,1)+therm(i)-z(i,k)*0.5*RG/RCPD/(1.+RVTMP2*q(i,1))) |
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| 1602 | . *(1.+RETV*q(i,1)) |
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| 1603 | rino(i,k) = (z(i,k)-z(i,1))*RG*(ztvd-ztvu) |
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| 1604 | . /(zdu2*0.5*(ztvd+ztvu)) |
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| 1605 | IF (rino(i,k).GE.ricr) THEN |
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| 1606 | pblh(i) = z(i,k-1) + (z(i,k-1)-z(i,k)) * |
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| 1607 | . (ricr-rino(i,k-1))/(rino(i,k-1)-rino(i,k)) |
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| 1608 | check(i) = .FALSE. |
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| 1609 | ENDIF |
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| 1610 | ENDIF |
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| 1611 | ENDDO |
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| 1612 | ENDDO |
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| 1613 | C |
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| 1614 | C Set pbl height to maximum value where computation exceeds number of |
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| 1615 | C layers allowed |
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| 1616 | C |
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| 1617 | DO i = 1, knon |
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| 1618 | if (check(i)) pblh(i) = z(i,isommet) |
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| 1619 | ENDDO |
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| 1620 | C |
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| 1621 | C Points for which pblh exceeds number of pbl layers allowed; |
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| 1622 | C set to maximum |
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| 1623 | C |
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| 1624 | DO i = 1, knon |
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| 1625 | IF (check(i)) pblh(i) = z(i,isommet) |
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| 1626 | ENDDO |
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| 1627 | C |
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| 1628 | C PBL height must be greater than some minimum mechanical mixing depth |
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| 1629 | C Several investigators have proposed minimum mechanical mixing depth |
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| 1630 | C relationships as a function of the local friction velocity, u*. We |
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| 1631 | C make use of a linear relationship of the form h = c u* where c=700. |
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| 1632 | C The scaling arguments that give rise to this relationship most often |
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| 1633 | C represent the coefficient c as some constant over the local coriolis |
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| 1634 | C parameter. Here we make use of the experimental results of Koracin |
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| 1635 | C and Berkowicz (1988) [BLM, Vol 43] for wich they recommend 0.07/f |
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| 1636 | C where f was evaluated at 39.5 N and 52 N. Thus we use a typical mid |
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| 1637 | C latitude value for f so that c = 0.07/f = 700. |
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| 1638 | C |
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| 1639 | DO i = 1, knon |
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| 1640 | pblmin = 700.0*ustar(i) |
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| 1641 | pblh(i) = MAX(pblh(i),pblmin) |
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| 1642 | ENDDO |
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| 1643 | C |
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| 1644 | C pblh is now available; do preparation for diffusivity calculation: |
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| 1645 | C |
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| 1646 | DO i = 1, knon |
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| 1647 | pblk(i) = 0.0 |
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| 1648 | fak1(i) = ustar(i)*pblh(i)*vk |
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| 1649 | C |
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| 1650 | C Do additional preparation for unstable cases only, set temperature |
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| 1651 | C and moisture perturbations depending on stability. |
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| 1652 | C |
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| 1653 | IF (unstbl(i)) THEN |
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| 1654 | zxt=(t(i,1)-z(i,1)*0.5*RG/RCPD/(1.+RVTMP2*q(i,1))) |
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| 1655 | . *(1.+RETV*q(i,1)) |
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| 1656 | phiminv(i) = (1. - binm*pblh(i)/obklen(i))**onet |
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| 1657 | phihinv(i) = sqrt(1. - binh*pblh(i)/obklen(i)) |
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| 1658 | wm(i) = ustar(i)*phiminv(i) |
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| 1659 | fak2(i) = wm(i)*pblh(i)*vk |
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| 1660 | wstr(i) = (heatv(i)*RG*pblh(i)/zxt)**onet |
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| 1661 | fak3(i) = fakn*wstr(i)/wm(i) |
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| 1662 | ENDIF |
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| 1663 | ENDDO |
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| 1664 | |
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| 1665 | C Main level loop to compute the diffusivities and |
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| 1666 | C counter-gradient terms: |
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| 1667 | C |
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| 1668 | DO 1000 k = 2, isommet |
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| 1669 | C |
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| 1670 | C Find levels within boundary layer: |
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| 1671 | C |
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| 1672 | DO i = 1, knon |
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| 1673 | unslev(i) = .FALSE. |
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| 1674 | stblev(i) = .FALSE. |
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| 1675 | zm(i) = z(i,k-1) |
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| 1676 | zp(i) = z(i,k) |
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| 1677 | IF (zkmin.EQ.0.0 .AND. zp(i).GT.pblh(i)) zp(i) = pblh(i) |
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| 1678 | IF (zm(i) .LT. pblh(i)) THEN |
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| 1679 | zmzp = 0.5*(zm(i) + zp(i)) |
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| 1680 | zh(i) = zmzp/pblh(i) |
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| 1681 | zl(i) = zmzp/obklen(i) |
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| 1682 | zzh(i) = 0. |
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| 1683 | IF (zh(i).LE.1.0) zzh(i) = (1. - zh(i))**2 |
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| 1684 | C |
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| 1685 | C stblev for points zm < plbh and stable and neutral |
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| 1686 | C unslev for points zm < plbh and unstable |
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| 1687 | C |
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| 1688 | IF (unstbl(i)) THEN |
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| 1689 | unslev(i) = .TRUE. |
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| 1690 | ELSE |
---|
| 1691 | stblev(i) = .TRUE. |
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| 1692 | ENDIF |
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| 1693 | ENDIF |
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| 1694 | ENDDO |
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| 1695 | C |
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| 1696 | C Stable and neutral points; set diffusivities; counter-gradient |
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| 1697 | C terms zero for stable case: |
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| 1698 | C |
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| 1699 | DO i = 1, knon |
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| 1700 | IF (stblev(i)) THEN |
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| 1701 | IF (zl(i).LE.1.) THEN |
---|
| 1702 | pblk(i) = fak1(i)*zh(i)*zzh(i)/(1. + betas*zl(i)) |
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| 1703 | ELSE |
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| 1704 | pblk(i) = fak1(i)*zh(i)*zzh(i)/(betas + zl(i)) |
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| 1705 | ENDIF |
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| 1706 | pcfm(i,k) = pblk(i) |
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| 1707 | pcfh(i,k) = pcfm(i,k) |
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| 1708 | ENDIF |
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| 1709 | ENDDO |
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| 1710 | C |
---|
| 1711 | C unssrf, unstable within surface layer of pbl |
---|
| 1712 | C unsout, unstable within outer layer of pbl |
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| 1713 | C |
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| 1714 | DO i = 1, knon |
---|
| 1715 | unssrf(i) = .FALSE. |
---|
| 1716 | unsout(i) = .FALSE. |
---|
| 1717 | IF (unslev(i)) THEN |
---|
| 1718 | IF (zh(i).lt.sffrac) THEN |
---|
| 1719 | unssrf(i) = .TRUE. |
---|
| 1720 | ELSE |
---|
| 1721 | unsout(i) = .TRUE. |
---|
| 1722 | ENDIF |
---|
| 1723 | ENDIF |
---|
| 1724 | ENDDO |
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| 1725 | C |
---|
| 1726 | C Unstable for surface layer; counter-gradient terms zero |
---|
| 1727 | C |
---|
| 1728 | DO i = 1, knon |
---|
| 1729 | IF (unssrf(i)) THEN |
---|
| 1730 | term = (1. - betam*zl(i))**onet |
---|
| 1731 | pblk(i) = fak1(i)*zh(i)*zzh(i)*term |
---|
| 1732 | pr(i) = term/sqrt(1. - betah*zl(i)) |
---|
| 1733 | ENDIF |
---|
| 1734 | ENDDO |
---|
| 1735 | C |
---|
| 1736 | C Unstable for outer layer; counter-gradient terms non-zero: |
---|
| 1737 | C |
---|
| 1738 | DO i = 1, knon |
---|
| 1739 | IF (unsout(i)) THEN |
---|
| 1740 | pblk(i) = fak2(i)*zh(i)*zzh(i) |
---|
| 1741 | cgs(i,k) = fak3(i)/(pblh(i)*wm(i)) |
---|
| 1742 | cgh(i,k) = khfs(i)*cgs(i,k) |
---|
| 1743 | pr(i) = phiminv(i)/phihinv(i) + ccon*fak3(i)/fak |
---|
| 1744 | cgq(i,k) = kqfs(i)*cgs(i,k) |
---|
| 1745 | ENDIF |
---|
| 1746 | ENDDO |
---|
| 1747 | C |
---|
| 1748 | C For all unstable layers, set diffusivities |
---|
| 1749 | C |
---|
| 1750 | DO i = 1, knon |
---|
| 1751 | IF (unslev(i)) THEN |
---|
| 1752 | pcfm(i,k) = pblk(i) |
---|
| 1753 | pcfh(i,k) = pblk(i)/pr(i) |
---|
| 1754 | ENDIF |
---|
| 1755 | ENDDO |
---|
| 1756 | 1000 continue ! end of level loop |
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| 1757 | |
---|
| 1758 | RETURN |
---|
| 1759 | END |
---|