1 | |
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2 | ! $Header$ |
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3 | |
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4 | SUBROUTINE hbtm2l(knon, paprs, pplay, t2m, t10m, q2m, q10m, ustar, flux_t, flux_q, u, v, t, q, pblh, therm, plcl, cape, & |
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5 | cin, eauliq, ctei, d_qt, d_thv, dlt_2, xhis, posint, omega, diagok) |
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6 | USE yomcst_mod_h |
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7 | USE dimphy |
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8 | USE yoethf_mod_h |
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9 | IMPLICIT NONE |
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10 | |
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11 | ! *************************************************************** |
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12 | ! * * |
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13 | ! * HBTM2L D'apres Holstag&Boville et Troen&Mahrt * |
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14 | ! * JAS 47 BLM * |
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15 | ! * Algorithmes These Anne Mathieu * |
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16 | ! * Critere d'Entrainement Peter Duynkerke (JAS 50) * |
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17 | ! * written by : Anne MATHIEU & Alain LAHELLEC, 22/11/99 * |
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18 | ! * features : implem. exces Mathieu * |
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19 | ! *************************************************************** |
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20 | ! * mods : decembre 99 passage th a niveau plus bas. voir fixer * |
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21 | ! *************************************************************** |
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22 | ! * fin therm a la HBTM passage a forme Mathieu 12/09/2001 * |
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23 | ! *************************************************************** |
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24 | ! AM Fev 2003 Adaptation a LMDZ version couplee * |
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25 | ! * |
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26 | ! Pour le moment on fait passer en argument les grdeurs de surface : |
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27 | ! flux, t,q2m, t,q10m, on va utiliser systematiquement les grdeurs a 2m ms |
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28 | ! on garde la possibilite de changer si besoin est (jusqu'a present la |
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29 | ! forme de HB avec le 1er niveau modele etait conservee) * |
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30 | ! *************************************************************** |
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31 | ! * re-ecriture complete Alain Mars 2012 dans LMDZ5V5 * |
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32 | ! *************************************************************** |
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33 | REAL rlvcp, reps |
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34 | ! Arguments: |
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35 | |
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36 | INTEGER knon ! nombre de points a calculer |
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37 | ! AM |
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38 | REAL t2m(klon), t10m(klon) ! temperature a 2 et 10m |
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39 | REAL q2m(klon), q10m(klon) ! q a 2 et 10m |
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40 | REAL ustar(klon) |
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41 | REAL paprs(klon, klev+1) ! pression a inter-couche (Pa) |
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42 | REAL pplay(klon, klev) ! pression au milieu de couche (Pa) |
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43 | REAL flux_t(klon, klev), flux_q(klon, klev) ! Flux |
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44 | REAL u(klon, klev) ! vitesse U (m/s) |
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45 | REAL v(klon, klev) ! vitesse V (m/s) |
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46 | REAL t(klon, klev) ! temperature (K) |
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47 | REAL q(klon, klev) ! vapeur d'eau (kg/kg) |
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48 | |
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49 | INTEGER isommet |
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50 | REAL vk |
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51 | PARAMETER (vk=0.35) ! Von Karman => passer a .41 ! cf U.Olgstrom |
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52 | REAL ricr |
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53 | PARAMETER (ricr=0.4) |
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54 | REAL fak |
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55 | PARAMETER (fak=8.5) ! b calcul du Prandtl et de dTetas |
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56 | REAL fakn |
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57 | PARAMETER (fakn=7.2) ! a |
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58 | REAL onet |
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59 | PARAMETER (onet=1.0/3.0) |
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60 | REAL betam |
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61 | PARAMETER (betam=15.0) ! pour Phim / h dans la S.L stable |
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62 | REAL betah |
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63 | PARAMETER (betah=15.0) |
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64 | REAL betas |
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65 | PARAMETER (betas=5.0) ! Phit dans la S.L. stable (mais 2 formes / z/OBL<>1 |
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66 | REAL sffrac |
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67 | PARAMETER (sffrac=0.1) ! S.L. = z/h < .1 |
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68 | REAL binm |
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69 | PARAMETER (binm=betam*sffrac) |
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70 | REAL binh |
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71 | PARAMETER (binh=betah*sffrac) |
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72 | |
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73 | REAL q_star, t_star |
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74 | REAL b1, b2, b212, b2sr ! Lambert correlations T' q' avec T* q* |
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75 | PARAMETER (b1=70., b2=20.) ! b1 entre 70 et 100 |
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76 | |
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77 | REAL z(klon, klev) |
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78 | ! AM |
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79 | REAL zref, dt0 |
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80 | PARAMETER (zref=2.) ! Niveau de ref a 2m |
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81 | PARAMETER (dt0=0.1) ! convergence do while |
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82 | |
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83 | INTEGER i, k, j |
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84 | REAL khfs(klon) ! surface kinematic heat flux [mK/s] |
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85 | REAL kqfs(klon) ! sfc kinematic constituent flux [m/s] |
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86 | REAL heatv(klon) ! surface virtual heat flux |
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87 | REAL rhino(klon, klev) ! bulk Richardon no. mais en Theta_v |
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88 | LOGICAL unstbl(klon) ! pts w/unstbl pbl (positive virtual ht flx) |
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89 | LOGICAL check(klon) ! True=>chk if Richardson no.>critcal |
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90 | LOGICAL omegafl(klon) ! flag de prolongement cape pour pt Omega |
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91 | REAL obklen(klon) ! Monin-Obukhov lengh |
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92 | |
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93 | REAL pblh(klon) ! PBL H (m) |
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94 | REAL therm(klon) ! exces du thermique (K) |
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95 | REAL plcl(klon) ! Lifted Cnd Level (Pa) |
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96 | REAL cape(klon) ! Cape |
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97 | REAL cin(klon) ! Inhibition |
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98 | REAL eauliq(klon) ! Eau Liqu integree |
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99 | REAL ctei(klon) ! Cld Top Entr. Instab. |
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100 | REAL d_qt(klon) ! Saut de qT a l'inversion |
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101 | REAL d_thv(klon) ! Theta_e |
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102 | REAL dlt_2(klon) ! Ordonnee a gauche de courbe de melange |
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103 | REAL xhis(klon) ! fraction de melange pour flottab nulle |
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104 | REAL posint(klon) ! partie positive de l'int. de Peter |
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105 | REAL omega(klon) ! point ultime de l'ascention du thermique |
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106 | REAL diagok(klon) ! pour traiter les sous-mailles sans info |
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107 | ! Algorithme thermique |
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108 | REAL s(klon, klev) ! [P/Po]^Kappa milieux couches |
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109 | REAL th_th(klon) ! potential temperature of thermal |
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110 | REAL the_th(klon) ! equivalent potential temperature of thermal |
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111 | REAL qt_th(klon) ! total water of thermal |
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112 | REAL tbef(klon) ! T thermique niveau ou calcul precedent |
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113 | LOGICAL zsat(klon) ! le thermique est sature |
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114 | LOGICAL zcin(klon) ! calcul d'inhibition |
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115 | REAL kape(klon) ! Cape locale |
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116 | REAL kin(klon) ! Cin locale |
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117 | ! calcul de CTEI etc |
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118 | REAL the1, the2, aa, bb, zthvd, zthvu, qsat, chi, rh, zxt, zdu2 |
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119 | REAL rnum, denom, th1, th2, tv1, tv2, thv1, thv2, ql1, ql2, dt |
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120 | REAL dqsat_dt, qsat2, qt1, q1, q2, t1, t2, tl1, te2, xnull, delt_the |
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121 | REAL delt_qt, quadsat, spblh, reduc |
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122 | ! diag REAL dTv21(klon,klev) |
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123 | |
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124 | REAL phiminv(klon) ! inverse phi function for momentum |
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125 | REAL phihinv(klon) ! inverse phi function for heat |
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126 | REAL wm(klon) ! turbulent velocity scale for momentum |
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127 | REAL zm(klon) ! current level height |
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128 | REAL zp(klon) ! current level height + one level up |
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129 | REAL zcor, zdelta, zcvm5 |
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130 | REAL fac, pblmin |
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131 | REAL missing_val |
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132 | |
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133 | include "FCTTRE.h" |
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134 | |
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135 | ! c missing_val=nf90_fill_real (avec include netcdf) |
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136 | missing_val = 0. |
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137 | |
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138 | ! initialisations (Anne) |
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139 | isommet = klev |
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140 | b212 = sqrt(b1*b2) |
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141 | b2sr = sqrt(b2) |
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142 | |
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143 | ! Initialisation thermo |
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144 | rlvcp = rlvtt/rcpd |
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145 | reps = rd/rv |
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146 | ! raz |
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147 | q_star = 0. |
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148 | t_star = 0. |
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149 | cape(:) = missing_val |
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150 | kape(:) = 0. |
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151 | cin(:) = missing_val |
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152 | eauliq(:) = missing_val |
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153 | ctei(:) = missing_val |
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154 | d_qt(:) = missing_val |
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155 | d_thv(:) = missing_val |
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156 | dlt_2(:) = missing_val |
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157 | xhis(:) = missing_val |
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158 | posint(:) = missing_val |
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159 | kin(:) = missing_val |
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160 | omega(:) = missing_val |
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161 | diagok(:) = 0. |
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162 | ! diag dTv21(:,:)= missing_val |
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163 | |
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164 | ! Calculer les hauteurs de chaque couche |
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165 | DO i = 1, knon |
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166 | z(i, 1) = rd*t(i, 1)/(0.5*(paprs(i,1)+pplay(i,1)))*(paprs(i,1)-pplay(i,1))/rg |
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167 | s(i, 1) = (pplay(i,1)/paprs(i,1))**rkappa |
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168 | END DO |
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169 | ! s(k) = [pplay(k)/ps]^kappa |
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170 | ! + + + + + + + + + pplay <-> s(k) t dp=pplay(k-1)-pplay(k) |
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171 | |
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172 | ! ----------------- paprs <-> sig(k) |
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173 | |
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174 | ! + + + + + + + + + pplay <-> s(k-1) |
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175 | |
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176 | |
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177 | ! + + + + + + + + + pplay <-> s(1) t dp=paprs-pplay z(1) |
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178 | |
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179 | ! ----------------- paprs <-> sig(1) |
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180 | |
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181 | DO k = 2, klev |
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182 | DO i = 1, knon |
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183 | z(i, k) = z(i, k-1) + rd*0.5*(t(i,k-1)+t(i,k))/paprs(i, k)*(pplay(i,k-1)-pplay(i,k))/rg |
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184 | s(i, k) = (pplay(i,k)/paprs(i,1))**rkappa |
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185 | END DO |
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186 | END DO |
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187 | ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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188 | ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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189 | ! +++ Determination des grandeurs de surface +++++++++++++++++++++ |
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190 | ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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191 | ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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192 | DO i = 1, knon |
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193 | ! AM Niveau de ref choisi a 2m |
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194 | zxt = t2m(i) |
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195 | |
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196 | ! *************************************************** |
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197 | ! attention, il doit s'agir de <w'theta'> |
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198 | ! ;Calcul de tcls virtuel et de w'theta'virtuel |
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199 | ! ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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200 | ! tcls=tcls*(1+.608*qcls) |
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201 | |
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202 | ! ;Pour avoir w'theta', |
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203 | ! ; il faut diviser par ro.Cp |
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204 | ! Cp=Cpd*(1+0.84*qcls) |
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205 | ! fcs=fcs/(ro_surf*Cp) |
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206 | ! ;On transforme w'theta' en w'thetav' |
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207 | ! Lv=(2.501-0.00237*(tcls-273.15))*1.E6 |
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208 | ! xle=xle/(ro_surf*Lv) |
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209 | ! fcsv=fcs+.608*xle*tcls |
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210 | ! *************************************************** |
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211 | ! dif khfs est deja w't'_v / heatv(i) = khfs(i) + RETV*zxt*kqfs(i) |
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212 | ! AM calcul de Ro = paprs(i,1)/Rd zxt |
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213 | ! AM convention >0 vers le bas ds lmdz |
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214 | khfs(i) = -flux_t(i, 1)*zxt*rd/(rcpd*paprs(i,1)) |
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215 | kqfs(i) = -flux_q(i, 1)*zxt*rd/(paprs(i,1)) |
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216 | ! AM verifier que khfs et kqfs sont bien de la forme w'l' |
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217 | heatv(i) = khfs(i) + retv*zxt*kqfs(i) |
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218 | ! a comparer aussi aux sorties de clqh : flux_T/RoCp et flux_q/RoLv |
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219 | ! AM ustar est en entree (calcul dans stdlevvar avec t2m q2m) |
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220 | ! Theta et qT du thermique sans exces |
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221 | qt_th(i) = q2m(i) |
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222 | ! Al1 Th_th restera la Theta du thermique sans exces jusqu'au 3eme calcul |
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223 | th_th(i) = t2m(i) |
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224 | END DO |
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225 | |
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226 | DO i = 1, knon |
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227 | rhino(i, 1) = 0.0 ! Global Richardson |
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228 | check(i) = .TRUE. |
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229 | pblh(i) = z(i, 1) ! on initialise pblh a l'altitude du 1er niveau |
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230 | ! Attention Plcl est pression ou altitude ? |
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231 | ! plcl(i) = 6000. ! m |
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232 | plcl(i) = 200. ! hPa |
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233 | IF (heatv(i)>0.0001) THEN |
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234 | ! Lambda = -u*^3 / (alpha.g.kvon.<w'Theta'v> |
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235 | obklen(i) = -t(i, 1)*ustar(i)**3/(rg*vk*heatv(i)) |
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236 | ELSE |
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237 | ! set pblh to the friction high (cf + bas) |
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238 | pblh(i) = 700.0*ustar(i) |
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239 | check(i) = .FALSE. |
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240 | END IF |
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241 | END DO |
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242 | |
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243 | |
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244 | ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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245 | ! PBL height calculation: |
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246 | ! Search for level of pbl. Scan upward until the Richardson number between |
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247 | ! the first level and the current level exceeds the "critical" value. |
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248 | ! (bonne idee Nu de separer le Ric et l'exces de temp du thermique) |
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249 | ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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250 | fac = 100.0 |
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251 | DO k = 2, isommet |
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252 | DO i = 1, knon |
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253 | IF (check(i)) THEN |
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254 | zdu2 = u(i, k)**2 + v(i, k)**2 |
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255 | zdu2 = max(zdu2, 1.0E-20) |
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256 | ! Theta_v environnement |
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257 | zthvd = t(i, k)/s(i, k)*(1.+retv*q(i,k)) |
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258 | zthvu = th_th(i)*(1.+retv*qt_th(i)) |
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259 | ! Le Ri bulk par Theta_v |
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260 | rhino(i, k) = (z(i,k)-zref)*rg*(zthvd-zthvu)/(zdu2*0.5*(zthvd+zthvu)) |
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261 | |
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262 | IF (rhino(i,k)>=ricr) THEN |
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263 | pblh(i) = z(i, k-1) + (z(i,k-1)-z(i,k))*(ricr-rhino(i,k-1))/(rhino(i,k-1)-rhino(i,k)) |
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264 | ! test04 (la pblh est encore ici sous-estime'e) |
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265 | pblh(i) = pblh(i) + 100. |
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266 | ! pblT(i) = t(i,k-1) + (t(i,k)-t(i,k-1)) * |
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267 | ! . (pblh(i)-z(i,k-1))/(z(i,k)-z(i,k-1)) |
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268 | check(i) = .FALSE. |
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269 | END IF |
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270 | END IF |
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271 | END DO |
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272 | END DO |
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273 | |
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274 | |
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275 | ! Set pbl height to maximum value where computation exceeds number of |
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276 | ! layers allowed |
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277 | |
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278 | DO i = 1, knon |
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279 | IF (check(i)) pblh(i) = z(i, isommet) |
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280 | END DO |
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281 | |
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282 | ! Improve estimate of pbl height for the unstable points. |
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283 | ! Find unstable points (sensible heat flux is upward): |
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284 | |
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285 | DO i = 1, knon |
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286 | IF (heatv(i)>0.) THEN |
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287 | unstbl(i) = .TRUE. |
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288 | check(i) = .TRUE. |
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289 | ELSE |
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290 | unstbl(i) = .FALSE. |
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291 | check(i) = .FALSE. |
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292 | END IF |
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293 | END DO |
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294 | |
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295 | ! For the unstable case, compute velocity scale and the |
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296 | ! convective temperature excess: |
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297 | |
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298 | DO i = 1, knon |
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299 | IF (check(i)) THEN |
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300 | phiminv(i) = (1.-binm*pblh(i)/obklen(i))**onet |
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301 | ! *************************************************** |
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302 | ! Wm ? et W* ? c'est la formule pour z/h < .1 |
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303 | ! ;Calcul de w* ;; |
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304 | ! ;;;;;;;;;;;;;;;; |
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305 | ! w_star=((g/tcls)*fcsv*z(ind))^(1/3.) [ou prendre la premiere approx de h) |
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306 | ! ;; CALCUL DE wm ;; |
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307 | ! ;;;;;;;;;;;;;;;;;; |
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308 | ! ; Ici on considerera que l'on est dans la couche de surf jusqu'a 100m |
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309 | ! ; On prend svt couche de surface=0.1*h mais on ne connait pas h |
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310 | ! ;;;;;;;;;;;Dans la couche de surface |
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311 | ! if (z(ind) le 20) then begin |
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312 | ! Phim=(1.-15.*(z(ind)/L))^(-1/3.) |
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313 | ! wm=u_star/Phim |
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314 | ! ;;;;;;;;;;;En dehors de la couche de surface |
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315 | ! endif else if (z(ind) gt 20) then begin |
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316 | ! wm=(u_star^3+c1*w_star^3)^(1/3.) |
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317 | ! endif |
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318 | ! *************************************************** |
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319 | wm(i) = ustar(i)*phiminv(i) |
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320 | ! ====================================================================== |
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321 | ! valeurs de Dominique Lambert de la campagne SEMAPHORE : |
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322 | ! <T'^2> = 100.T*^2; <q'^2> = 20.q*^2 a 10m |
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323 | ! <Tv'^2> = (1+1.2q).100.T* + 1.2Tv.sqrt(20*100).T*.q* + (.608*Tv)^2*20.q*^2; |
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324 | ! et dTetavS = sqrt(<Tv'^2>) ainsi calculee. |
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325 | ! avec : T*=<w'T'>_s/w* et q*=<w'q'>/w* |
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326 | ! !!! on peut donc utiliser w* pour les fluctuations <-> Lambert |
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327 | ! (leur corellation pourrait dependre de beta par ex) |
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328 | ! if fcsv(i,j) gt 0 then begin |
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329 | ! dTetavs=b1*(1.+2.*.608*q_10(i,j))*(fcs(i,j)/wm(i,j))^2+$ |
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330 | ! (.608*Thetav_10(i,j))^2*b2*(xle(i,j)/wm(i,j))^2+$ |
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331 | ! 2.*.608*thetav_10(i,j)*sqrt(b1*b2)*(xle(i,j)/wm(i,j))*(fcs(i,j)/wm(i,j)) |
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332 | ! dqs=b2*(xle(i,j)/wm(i,j))^2 |
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333 | ! theta_s(i,j)=thetav_10(i,j)+sqrt(dTetavs) |
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334 | ! q_s(i,j)=q_10(i,j)+sqrt(dqs) |
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335 | ! endif else begin |
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336 | ! Theta_s(i,j)=thetav_10(i,j) |
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337 | ! q_s(i,j)=q_10(i,j) |
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338 | ! endelse |
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339 | ! leur reference est le niveau a 10m, mais on prend 2m ici. |
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340 | ! ====================================================================== |
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341 | ! Premier calcul de l'exces tu thermique |
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342 | ! ====================================================================== |
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343 | ! HBTM therm(i) = heatv(i)*fak/wm(i) |
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344 | ! forme Mathieu : |
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345 | q_star = max(0., kqfs(i)/wm(i)) |
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346 | t_star = max(0., khfs(i)/wm(i)) |
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347 | ! Al1 Houston, we have a problem : il arrive en effet que heatv soit |
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348 | ! positif (=thermique instable) mais pas t_star : avec evaporation |
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349 | ! importante, il se peut qu'on refroidisse la 2m Que faire alors ? |
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350 | ! Garder le seul terme en q_star^2 ? ou rendre negatif le t_star^2 ? |
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351 | therm(i) = sqrt(b1*(1.+2.*retv*qt_th(i))*t_star**2+(retv*th_th(i))**2*b2*q_star*q_star+2.*retv*th_th(i)*b212* & |
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352 | q_star*t_star) |
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353 | |
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354 | ! Theta et qT du thermique (forme H&B) avec exces |
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355 | ! (attention, on ajoute therm(i) qui est virtuelle ...) |
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356 | ! pourquoi pas sqrt(b1)*t_star ? |
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357 | ! dqs = b2sr*kqfs(i)/wm(i) |
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358 | qt_th(i) = qt_th(i) + b2sr*q_star |
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359 | rhino(i, 1) = 0.0 |
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360 | END IF |
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361 | END DO |
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362 | |
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363 | ! +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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364 | ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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365 | ! ++ Improve pblh estimate for unstable conditions using the +++++++ |
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366 | ! ++ convective temperature excess : +++++++ |
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367 | ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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368 | ! +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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369 | |
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370 | DO k = 2, isommet |
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371 | DO i = 1, knon |
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372 | IF (check(i)) THEN |
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373 | ! test zdu2 = (u(i,k)-u(i,1))**2+(v(i,k)-v(i,1))**2+fac*ustar(i)**2 |
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374 | zdu2 = u(i, k)**2 + v(i, k)**2 |
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375 | zdu2 = max(zdu2, 1.0E-20) |
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376 | ! Theta_v environnement |
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377 | zthvd = t(i, k)/s(i, k)*(1.+retv*q(i,k)) |
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378 | |
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379 | ! et therm Theta_v (avec hypothese de constance de H&B, |
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380 | ! qui assimile qT a vapeur) |
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381 | zthvu = th_th(i)*(1.+retv*qt_th(i)) + therm(i) |
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382 | |
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383 | |
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384 | ! Le Ri par Theta_v |
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385 | ! AM Niveau de ref 2m |
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386 | rhino(i, k) = (z(i,k)-zref)*rg*(zthvd-zthvu)/(zdu2*0.5*(zthvd+zthvu)) |
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387 | |
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388 | ! Niveau critique atteint |
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389 | IF (rhino(i,k)>=ricr) THEN |
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390 | pblh(i) = z(i, k-1) + (z(i,k-1)-z(i,k))*(ricr-rhino(i,k-1))/(rhino(i,k-1)-rhino(i,k)) |
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391 | ! test04 |
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392 | pblh(i) = pblh(i) + 100. |
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393 | ! pblT(i) = t(i,k-1) + (t(i,k)-t(i,k-1)) * |
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394 | ! . (pblh(i)-z(i,k-1))/(z(i,k)-z(i,k-1)) |
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395 | check(i) = .FALSE. |
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396 | END IF |
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397 | END IF |
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398 | END DO |
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399 | END DO |
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400 | |
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401 | ! Set pbl height to maximum value where computation exceeds number of |
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402 | ! layers allowed (H&B) |
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403 | |
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404 | DO i = 1, knon |
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405 | IF (check(i)) pblh(i) = z(i, isommet) |
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406 | END DO |
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407 | |
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408 | ! PBL height must be greater than some minimum mechanical mixing depth |
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409 | ! Several investigators have proposed minimum mechanical mixing depth |
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410 | ! relationships as a function of the local friction velocity, u*. We |
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411 | ! make use of a linear relationship of the form h = c u* where c=700. |
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412 | ! The scaling arguments that give rise to this relationship most often |
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413 | ! represent the coefficient c as some constant over the local coriolis |
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414 | ! parameter. Here we make use of the experimental results of Koracin |
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415 | ! and Berkowicz (1988) [BLM, Vol 43] for wich they recommend 0.07/f |
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416 | ! where f was evaluated at 39.5 N and 52 N. Thus we use a typical mid |
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417 | ! latitude value for f so that c = 0.07/f = 700. (H&B) |
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418 | ! Al1 calcul de pblT dans ce cas |
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419 | DO i = 1, knon |
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420 | pblmin = 700.0*ustar(i) |
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421 | IF (pblh(i)<pblmin) check(i) = .TRUE. |
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422 | END DO |
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423 | DO i = 1, knon |
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424 | IF (check(i)) THEN |
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425 | pblh(i) = 700.0*ustar(i) |
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426 | ! et par exemple : |
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427 | ! pblT(i) = t(i,2) + (t(i,3)-t(i,2)) * |
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428 | ! . (pblh(i)-z(i,2))/(z(i,3)-z(i,2)) |
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429 | END IF |
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430 | END DO |
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431 | |
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432 | ! ******************************************************************** |
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433 | ! pblh is now available; do preparation for final calculations : |
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434 | ! ******************************************************************** |
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435 | DO i = 1, knon |
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436 | check(i) = .TRUE. |
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437 | zsat(i) = .FALSE. |
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438 | zcin(i) = .FALSE. |
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439 | ! omegafl utilise pour prolongement CAPE |
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440 | omegafl(i) = .FALSE. |
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441 | |
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442 | ! Do additional preparation for unstable cases only, set temperature |
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443 | ! and moisture perturbations depending on stability. |
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444 | ! Rq: les formules sont prises dans leur forme Couche de Surface |
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445 | IF (unstbl(i)) THEN |
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446 | ! Al pblh a change', on recalcule : |
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447 | zxt = (th_th(i)-zref*0.5*rg/rcpd/(1.+rvtmp2*qt_th(i)))*(1.+retv*qt_th(i)) |
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448 | phiminv(i) = (1.-binm*pblh(i)/obklen(i))**onet |
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449 | phihinv(i) = sqrt(1.-binh*pblh(i)/obklen(i)) |
---|
450 | wm(i) = ustar(i)*phiminv(i) |
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451 | END IF |
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452 | END DO |
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453 | |
---|
454 | |
---|
455 | ! ======================================================= |
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456 | ! last upward integration |
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457 | ! For all unstable layers, compute integral info and CTEI |
---|
458 | ! ======================================================= |
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459 | |
---|
460 | ! 1/Recompute surface characteristics with the improved pblh |
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461 | ! ---------------------------------------------------------- |
---|
462 | DO i = 1, knon |
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463 | IF (unstbl(i)) THEN |
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464 | diagok(i) = 1. |
---|
465 | ! from missing_value to zero |
---|
466 | cape(i) = 0. |
---|
467 | cin(i) = 0. |
---|
468 | eauliq(i) = 0. |
---|
469 | ctei(i) = 0. |
---|
470 | d_qt(i) = 0. |
---|
471 | d_thv(i) = 0. |
---|
472 | dlt_2(i) = 0. |
---|
473 | xhis(i) = 0. |
---|
474 | posint(i) = 0. |
---|
475 | kin(i) = 0. |
---|
476 | omega(i) = 0. |
---|
477 | |
---|
478 | phiminv(i) = (1.-binm*pblh(i)/obklen(i))**onet |
---|
479 | wm(i) = ustar(i)*phiminv(i) |
---|
480 | q_star = max(0., kqfs(i)/wm(i)) |
---|
481 | t_star = max(0., khfs(i)/wm(i)) |
---|
482 | therm(i) = sqrt(b1*(1.+2.*retv*qt_th(i))*t_star**2+(retv*th_th(i))**2*b2*q_star*q_star+2.*retv*th_th(i)*b212* & |
---|
483 | q_star*t_star) |
---|
484 | ! Al1diag |
---|
485 | ! trmb1(i) = b1*(1.+2.*RETV*qT_th(i))*t_star**2 |
---|
486 | ! trmb2(i) = (RETV*Th_th(i))**2*b2*q_star*q_star |
---|
487 | ! trmb3(i) = 2.*RETV*Th_th(i)*b212*q_star*t_star |
---|
488 | |
---|
489 | ! Th_th will now be the thermal-theta (including exces) |
---|
490 | ! c Th_th(i) = Th_th(i)+sqrt(b1)*max(0.,khfs(i)/wm(i)) |
---|
491 | th_th(i) = th_th(i) + therm(i) |
---|
492 | ! al1diag |
---|
493 | ! trmb2(i) = wm(i) |
---|
494 | ! trmb3(i) = phiminv(i) |
---|
495 | ! and computes Theta_e for thermal |
---|
496 | the_th(i) = th_th(i) + rlvcp*qt_th(i) |
---|
497 | END IF ! unstbl |
---|
498 | ! Al1 compute a first guess of Plcl with the Bolton/Emanuel formula |
---|
499 | t2 = th_th(i) |
---|
500 | ! thermodyn functions |
---|
501 | zdelta = max(0., sign(1.,rtt-t2)) |
---|
502 | qsat = r2es*foeew(t2, zdelta)/paprs(i, 1) |
---|
503 | qsat = min(0.5, qsat) |
---|
504 | zcor = 1./(1.-retv*qsat) |
---|
505 | qsat = qsat*zcor |
---|
506 | ! relative humidity of thermal at 2m |
---|
507 | rh = qt_th(i)/qsat |
---|
508 | chi = t2/(1669.0-122.0*rh-t2) |
---|
509 | plcl(i) = paprs(i, 1)*(rh**chi) |
---|
510 | ! al1diag |
---|
511 | ! ctei(i) = Plcl(i) |
---|
512 | ! cape(i) = T2 |
---|
513 | ! trmb1(i)= Chi |
---|
514 | ! select unstable columns (=thermals) |
---|
515 | check(i) = .FALSE. |
---|
516 | IF (heatv(i)>0.) check(i) = .TRUE. |
---|
517 | ! diag |
---|
518 | ! dTv21(i,1) = T2*(1+RETV*qT_th(i))-t(i,1)*(1+RETV*q(i,1)) |
---|
519 | END DO |
---|
520 | ! ---------------------------------- |
---|
521 | ! 2/ upward integration for thermals |
---|
522 | ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ k loop |
---|
523 | DO k = 2, isommet |
---|
524 | DO i = 1, knon |
---|
525 | IF (check(i) .OR. omegafl(i)) THEN |
---|
526 | ! CC if (pplay(i,k) .le. plcl(i)) then |
---|
527 | zm(i) = z(i, k-1) |
---|
528 | zp(i) = z(i, k) |
---|
529 | ! Environnement : calcul de Tv1 a partir de t(:,:)== T liquide |
---|
530 | ! ============== |
---|
531 | tl1 = t(i, k) |
---|
532 | t1 = tl1 |
---|
533 | zdelta = max(0., sign(1.,rtt-t1)) |
---|
534 | qsat = r2es*foeew(t1, zdelta)/pplay(i, k) |
---|
535 | qsat = min(0.5, qsat) |
---|
536 | zcor = 1./(1.-retv*qsat) |
---|
537 | qsat = qsat*zcor |
---|
538 | q1 = min(q(i,k), qsat) |
---|
539 | ql1 = max(0., q(i,k)-q1) |
---|
540 | ! thermodyn function (Tl2Tql) |
---|
541 | dt = rlvcp*ql1 |
---|
542 | DO WHILE (abs(dt)>=dt0) |
---|
543 | t1 = t1 + dt |
---|
544 | zdelta = max(0., sign(1.,rtt-t1)) |
---|
545 | zcvm5 = r5les*(1.-zdelta) + r5ies*zdelta |
---|
546 | qsat = r2es*foeew(t1, zdelta)/pplay(i, k) |
---|
547 | qsat = min(0.5, qsat) |
---|
548 | zcor = 1./(1.-retv*qsat) |
---|
549 | qsat = qsat*zcor |
---|
550 | dqsat_dt = foede(t1, zdelta, zcvm5, qsat, zcor) |
---|
551 | ! correction lineaire pour conserver Tl env |
---|
552 | ! << Tl = T1 + DT - RLvCp*(ql1 - dqsat/dT*DT >> |
---|
553 | denom = 1. + rlvcp*dqsat_dt |
---|
554 | q1 = min(q(i,k), qsat) |
---|
555 | ql1 = q(i, k) - q1 ! can be negative |
---|
556 | rnum = tl1 - t1 + rlvcp*ql1 |
---|
557 | dt = rnum/denom |
---|
558 | END DO |
---|
559 | ql1 = max(0., ql1) |
---|
560 | tv1 = t1*(1.+retv*q1-ql1) |
---|
561 | ! Thermique : on atteint le seuil B/E de condensation |
---|
562 | ! ============== |
---|
563 | |
---|
564 | IF (.NOT. zsat(i)) THEN |
---|
565 | ! first guess from The_th(i) = Th_th(i) + RLvCp* [qv=qT_th(i)] |
---|
566 | t2 = s(i, k)*the_th(i) - rlvcp*qt_th(i) |
---|
567 | zdelta = max(0., sign(1.,rtt-t2)) |
---|
568 | qsat = r2es*foeew(t2, zdelta)/pplay(i, k) |
---|
569 | qsat = min(0.5, qsat) |
---|
570 | zcor = 1./(1.-retv*qsat) |
---|
571 | qsat = qsat*zcor |
---|
572 | q2 = min(qt_th(i), qsat) |
---|
573 | ql2 = max(0., qt_th(i)-q2) |
---|
574 | IF (ql2>0.0001) zsat(i) = .TRUE. |
---|
575 | tbef(i) = t2 |
---|
576 | ! a PBLH non sature |
---|
577 | IF (zm(i)<pblh(i) .AND. zp(i)>=pblh(i)) THEN |
---|
578 | reduc = (pblh(i)-zm(i))/(zp(i)-zm(i)) |
---|
579 | spblh = s(i, k-1) + reduc*(s(i,k)-s(i,k-1)) |
---|
580 | ! lmdz : qT1 et Thv1 |
---|
581 | t1 = (t(i,k-1)+reduc*(t(i,k)-t(i,k-1))) |
---|
582 | thv1 = t1*(1.+retv*q(i,k))/spblh |
---|
583 | ! on calcule pour le cas sans nuage un ctei en Delta Thv |
---|
584 | thv2 = t2/spblh*(1.+retv*qt_th(i)) |
---|
585 | ctei(i) = thv1 - thv2 |
---|
586 | tv2 = t2*(1.+retv*q2-ql2) |
---|
587 | ! diag |
---|
588 | ! dTv21(i,k) = Tv2-Tv1 |
---|
589 | check(i) = .FALSE. |
---|
590 | omegafl(i) = .TRUE. |
---|
591 | END IF |
---|
592 | END IF |
---|
593 | |
---|
594 | IF (zsat(i)) THEN |
---|
595 | ! thermodyn functions (Te2Tqsat) |
---|
596 | t2 = tbef(i) |
---|
597 | dt = 1. |
---|
598 | te2 = s(i, k)*the_th(i) |
---|
599 | DO WHILE (abs(dt)>=dt0) |
---|
600 | zdelta = max(0., sign(1.,rtt-t2)) |
---|
601 | zcvm5 = r5les*(1.-zdelta) + r5ies*zdelta |
---|
602 | qsat = r2es*foeew(t2, zdelta)/pplay(i, k) |
---|
603 | qsat = min(0.5, qsat) |
---|
604 | zcor = 1./(1.-retv*qsat) |
---|
605 | qsat = qsat*zcor |
---|
606 | dqsat_dt = foede(t2, zdelta, zcvm5, qsat, zcor) |
---|
607 | ! correction lineaire pour conserver Te_th |
---|
608 | ! << Te = T2 + DT + RLvCp*(qsatbef + dq/dT*DT >> |
---|
609 | denom = 1. + rlvcp*dqsat_dt |
---|
610 | rnum = te2 - t2 - rlvcp*qsat |
---|
611 | dt = rnum/denom |
---|
612 | t2 = t2 + dt |
---|
613 | END DO |
---|
614 | q2 = min(qt_th(i), qsat) |
---|
615 | ql2 = max(0., qt_th(i)-q2) |
---|
616 | ! jusqu'a PBLH y compris |
---|
617 | IF (zm(i)<pblh(i)) THEN |
---|
618 | |
---|
619 | ! mais a PBLH, interpolation et complements |
---|
620 | IF (zp(i)>=pblh(i)) THEN |
---|
621 | reduc = (pblh(i)-zm(i))/(zp(i)-zm(i)) |
---|
622 | spblh = s(i, k-1) + reduc*(s(i,k)-s(i,k-1)) |
---|
623 | ! CAPE et EauLiq a pblH |
---|
624 | cape(i) = kape(i) + reduc*(zp(i)-zm(i))*rg*.5/(tv2+tv1)*max(0., (tv2-tv1)) |
---|
625 | eauliq(i) = eauliq(i) + reduc*(paprs(i,k-1)-paprs(i,k))*ql2/rg |
---|
626 | ! CTEI |
---|
627 | the2 = (t2+rlvcp*q2)/spblh |
---|
628 | ! T1 est en realite la Tl env (on a donc strict The1) |
---|
629 | t1 = (t(i,k-1)+reduc*(t(i,k)-t(i,k-1))) |
---|
630 | the1 = (t1+rlvcp*q(i,k))/spblh |
---|
631 | ! Calcul de la Cloud Top Entrainement Instability |
---|
632 | ! cf Mathieu Lahellec QJRMS (2005) Comments to DYCOMS-II |
---|
633 | ! saut a l'inversion : |
---|
634 | delt_the = the1 - the2 ! negatif |
---|
635 | delt_qt = q(i, k) - qt_th(i) ! negatif |
---|
636 | d_qt(i) = -delt_qt |
---|
637 | dlt_2(i) = .63*delt_the - the2*delt_qt |
---|
638 | ! init ctei(i) |
---|
639 | ctei(i) = dlt_2(i) |
---|
640 | IF (dlt_2(i)<-0.1) THEN |
---|
641 | ! integrale de Peter : |
---|
642 | aa = delt_the - delt_qt*(rlvcp-retv*the2) |
---|
643 | bb = (rlvcp-(1.+retv)*the2)*ql2 |
---|
644 | d_thv(i) = aa - bb |
---|
645 | ! approx de Xhi_s et de l'integrale Xint=ctei(i) |
---|
646 | xhis(i) = bb/(aa-dlt_2(i)) |
---|
647 | ! trmb1(i) = xhis |
---|
648 | ! trmb3(i) = dlt_2 |
---|
649 | xnull = bb/aa |
---|
650 | IF (xhis(i)>0.1) THEN |
---|
651 | ctei(i) = dlt_2(i)*xhis(i) + aa*(1.-xhis(i)) + bb*alog(xhis(i)) |
---|
652 | ELSE |
---|
653 | ctei(i) = .5*(dlt_2(i)+aa-bb) |
---|
654 | END IF |
---|
655 | IF (xnull>0.) THEN |
---|
656 | posint(i) = aa - bb + bb*alog(xnull) |
---|
657 | ELSE |
---|
658 | posint(i) = 0. |
---|
659 | END IF |
---|
660 | ELSE |
---|
661 | ctei(i) = 1. |
---|
662 | posint(i) = 1. |
---|
663 | END IF |
---|
664 | check(i) = .FALSE. |
---|
665 | omegafl(i) = .TRUE. |
---|
666 | END IF ! end a pblh |
---|
667 | IF (check(i)) eauliq(i) = eauliq(i) + (paprs(i,k)-paprs(i,k+1))*ql2/rg |
---|
668 | END IF |
---|
669 | |
---|
670 | END IF ! Zsat |
---|
671 | |
---|
672 | ! KAPE : thermique / environnement |
---|
673 | tv2 = t2*(1.+retv*q2-ql2) |
---|
674 | ! diag |
---|
675 | ! dTv21(i,k) = Tv2-Tv1 |
---|
676 | ! Kape courante |
---|
677 | kape(i) = kape(i) + (zp(i)-zm(i))*rg*.5/(tv2+tv1)*max(0., (tv2-tv1)) |
---|
678 | ! Cin |
---|
679 | IF (zcin(i) .AND. tv2-tv1>0.) THEN |
---|
680 | zcin(i) = .FALSE. |
---|
681 | cin(i) = kin(i) |
---|
682 | END IF |
---|
683 | IF (.NOT. zcin(i) .AND. tv2-tv1<0.) THEN |
---|
684 | zcin(i) = .TRUE. |
---|
685 | kin(i) = kin(i) + (zp(i)-zm(i))*rg*.5/(tv2+tv1)*min(0., (tv2-tv1)) |
---|
686 | END IF |
---|
687 | IF (kape(i)+kin(i)<0.) THEN |
---|
688 | omega(i) = zm(i) |
---|
689 | ! trmb3(i) = paprs(i,k) |
---|
690 | omegafl(i) = .FALSE. |
---|
691 | ! diag |
---|
692 | ! print*,'Tv2-Tv1 (k): ',i,(dTv21(i,j),j=1,k) |
---|
693 | END IF |
---|
694 | ! CC EndIf !plcl |
---|
695 | END IF ! check(i) |
---|
696 | END DO |
---|
697 | END DO ! end of level loop |
---|
698 | ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ end k loop |
---|
699 | RETURN |
---|
700 | END SUBROUTINE hbtm2l |
---|