1 | SUBROUTINE vdifc(ngrid,nlay,nq,co2ice,ppopsk, |
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2 | $ ptimestep,pcapcal,lecrit, |
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3 | $ pplay,pplev,pzlay,pzlev,pz0, |
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4 | $ pu,pv,ph,pq,ptsrf,pemis,pqsurf, |
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5 | $ pdufi,pdvfi,pdhfi,pdqfi,pfluxsrf, |
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6 | $ pdudif,pdvdif,pdhdif,pdtsrf,pq2, |
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7 | $ pdqdif,pdqsdif,wstar,zcdv_true,zcdh_true, |
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8 | $ hfmax,sensibFlux) |
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9 | |
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10 | use tracer_mod, only: noms, igcm_dust_mass, igcm_dust_number, |
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11 | & igcm_dust_submicron, igcm_h2o_vap, |
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12 | & igcm_h2o_ice, alpha_lift |
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13 | use surfdat_h, only: watercaptag, frost_albedo_threshold, dryness |
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14 | USE comcstfi_h |
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15 | use turb_mod, only: turb_resolved, ustar, tstar |
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16 | IMPLICIT NONE |
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17 | |
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18 | c======================================================================= |
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19 | c |
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20 | c subject: |
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21 | c -------- |
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22 | c Turbulent diffusion (mixing) for potential T, U, V and tracer |
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23 | c |
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24 | c Shema implicite |
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25 | c On commence par rajouter au variables x la tendance physique |
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26 | c et on resoult en fait: |
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27 | c x(t+1) = x(t) + dt * (dx/dt)phys(t) + dt * (dx/dt)difv(t+1) |
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28 | c |
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29 | c author: |
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30 | c ------ |
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31 | c Hourdin/Forget/Fournier |
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32 | c======================================================================= |
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33 | |
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34 | c----------------------------------------------------------------------- |
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35 | c declarations: |
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36 | c ------------- |
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37 | |
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38 | #include "callkeys.h" |
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39 | #include "microphys.h" |
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40 | |
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41 | c |
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42 | c arguments: |
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43 | c ---------- |
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44 | |
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45 | INTEGER,INTENT(IN) :: ngrid,nlay |
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46 | REAL,INTENT(IN) :: ptimestep |
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47 | REAL,INTENT(IN) :: pplay(ngrid,nlay),pplev(ngrid,nlay+1) |
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48 | REAL,INTENT(IN) :: pzlay(ngrid,nlay),pzlev(ngrid,nlay+1) |
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49 | REAL,INTENT(IN) :: pu(ngrid,nlay),pv(ngrid,nlay) |
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50 | REAL,INTENT(IN) :: ph(ngrid,nlay) |
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51 | REAL,INTENT(IN) :: ptsrf(ngrid),pemis(ngrid) |
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52 | REAL,INTENT(IN) :: pdufi(ngrid,nlay),pdvfi(ngrid,nlay) |
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53 | REAL,INTENT(IN) :: pdhfi(ngrid,nlay) |
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54 | REAL,INTENT(IN) :: pfluxsrf(ngrid) |
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55 | REAL,INTENT(OUT) :: pdudif(ngrid,nlay),pdvdif(ngrid,nlay) |
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56 | REAL,INTENT(OUT) :: pdtsrf(ngrid),pdhdif(ngrid,nlay) |
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57 | REAL,INTENT(IN) :: pcapcal(ngrid) |
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58 | REAL,INTENT(INOUT) :: pq2(ngrid,nlay+1) |
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59 | |
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60 | c Argument added for condensation: |
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61 | REAL,INTENT(IN) :: co2ice (ngrid), ppopsk(ngrid,nlay) |
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62 | logical,INTENT(IN) :: lecrit |
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63 | |
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64 | REAL,INTENT(IN) :: pz0(ngrid) ! surface roughness length (m) |
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65 | |
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66 | c Argument added to account for subgrid gustiness : |
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67 | |
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68 | REAL wstar(ngrid), hfmax(ngrid)!, zi(ngrid) |
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69 | |
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70 | c Traceurs : |
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71 | integer,intent(in) :: nq |
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72 | REAL,INTENT(IN) :: pqsurf(ngrid,nq) |
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73 | real,intent(in) :: pq(ngrid,nlay,nq), pdqfi(ngrid,nlay,nq) |
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74 | real,intent(out) :: pdqdif(ngrid,nlay,nq) |
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75 | real,intent(out) :: pdqsdif(ngrid,nq) |
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76 | |
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77 | c local: |
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78 | c ------ |
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79 | |
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80 | REAL :: pt(ngrid,nlay) |
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81 | |
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82 | INTEGER ilev,ig,ilay,nlev |
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83 | |
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84 | REAL z4st,zdplanck(ngrid) |
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85 | REAL zkv(ngrid,nlay+1),zkh(ngrid,nlay+1) |
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86 | REAL zkq(ngrid,nlay+1) |
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87 | REAL zcdv(ngrid),zcdh(ngrid) |
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88 | REAL zcdv_true(ngrid),zcdh_true(ngrid) ! drag coeff are used by the LES to recompute u* and hfx |
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89 | REAL zu(ngrid,nlay),zv(ngrid,nlay) |
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90 | REAL zh(ngrid,nlay) |
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91 | REAL ztsrf2(ngrid) |
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92 | REAL z1(ngrid),z2(ngrid) |
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93 | REAL za(ngrid,nlay),zb(ngrid,nlay) |
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94 | REAL zb0(ngrid,nlay) |
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95 | REAL zc(ngrid,nlay),zd(ngrid,nlay) |
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96 | REAL zcst1 |
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97 | REAL zu2(ngrid) |
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98 | |
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99 | EXTERNAL SSUM,SCOPY |
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100 | REAL SSUM |
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101 | LOGICAL,SAVE :: firstcall=.true. |
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102 | |
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103 | |
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104 | c variable added for CO2 condensation: |
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105 | c ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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106 | REAL hh , zhcond(ngrid,nlay) |
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107 | REAL,PARAMETER :: latcond=5.9e5 |
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108 | REAL,PARAMETER :: tcond1mb=136.27 |
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109 | REAL,SAVE :: acond,bcond |
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110 | |
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111 | c For latent heat release from ground ice sublimation |
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112 | ! REAL tsrf_lw(ngrid) |
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113 | ! REAL alpha |
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114 | REAL T1,T2 |
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115 | SAVE T1,T2 |
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116 | DATA T1,T2/-604.3,1080.7/ ! zeros of latent heat equation for ice |
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117 | |
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118 | c Tracers : |
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119 | c ~~~~~~~ |
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120 | INTEGER iq |
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121 | REAL zq(ngrid,nlay,nq) |
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122 | REAL zq1temp(ngrid) |
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123 | REAL rho(ngrid) ! near surface air density |
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124 | REAL qsat(ngrid) |
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125 | |
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126 | REAL kmixmin |
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127 | |
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128 | c Mass-variation scheme : |
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129 | c ~~~~~~~ |
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130 | |
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131 | INTEGER j,l |
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132 | REAL zcondicea(ngrid,nlay) |
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133 | REAL zt(ngrid,nlay),ztcond(ngrid,nlay+1) |
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134 | REAL betam(ngrid,nlay),dmice(ngrid,nlay) |
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135 | REAL pdtc(ngrid,nlay) |
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136 | REAL zhs(ngrid,nlay) |
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137 | REAL,SAVE :: ccond |
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138 | |
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139 | c Theta_m formulation for mass-variation scheme : |
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140 | c ~~~~~~~ |
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141 | |
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142 | INTEGER,SAVE :: ico2 |
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143 | INTEGER llnt(ngrid) |
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144 | REAL,SAVE :: m_co2, m_noco2, A , B |
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145 | REAL vmr_co2(ngrid,nlay) |
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146 | REAL qco2,mmean |
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147 | |
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148 | REAL,INTENT(OUT) :: sensibFlux(ngrid) |
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149 | |
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150 | c ** un petit test de coherence |
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151 | c -------------------------- |
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152 | |
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153 | IF (firstcall) THEN |
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154 | c To compute: Tcond= 1./(bcond-acond*log(.0095*p)) (p in pascal) |
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155 | bcond=1./tcond1mb |
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156 | acond=r/latcond |
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157 | ccond=cpp/(g*latcond) |
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158 | PRINT*,'In vdifc: Tcond(P=1mb)=',tcond1mb,' Lcond=',latcond |
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159 | PRINT*,' acond,bcond,ccond',acond,bcond,ccond |
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160 | |
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161 | |
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162 | ico2=0 |
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163 | |
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164 | if (tracer) then |
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165 | c Prepare Special treatment if one of the tracer is CO2 gas |
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166 | do iq=1,nq |
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167 | if (noms(iq).eq."co2") then |
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168 | ico2=iq |
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169 | m_co2 = 44.01E-3 ! CO2 molecular mass (kg/mol) |
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170 | m_noco2 = 33.37E-3 ! Non condensible mol mass (kg/mol) |
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171 | c Compute A and B coefficient use to compute |
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172 | c mean molecular mass Mair defined by |
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173 | c 1/Mair = q(ico2)/m_co2 + (1-q(ico2))/m_noco2 |
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174 | c 1/Mair = A*q(ico2) + B |
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175 | A =(1/m_co2 - 1/m_noco2) |
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176 | B=1/m_noco2 |
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177 | endif |
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178 | enddo |
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179 | end if |
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180 | |
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181 | firstcall=.false. |
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182 | ENDIF |
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183 | |
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184 | |
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185 | c----------------------------------------------------------------------- |
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186 | c 1. initialisation |
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187 | c ----------------- |
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188 | |
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189 | nlev=nlay+1 |
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190 | |
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191 | ! initialize output tendencies to zero: |
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192 | pdudif(1:ngrid,1:nlay)=0 |
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193 | pdvdif(1:ngrid,1:nlay)=0 |
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194 | pdhdif(1:ngrid,1:nlay)=0 |
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195 | pdtsrf(1:ngrid)=0 |
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196 | pdqdif(1:ngrid,1:nlay,1:nq)=0 |
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197 | pdqsdif(1:ngrid,1:nq)=0 |
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198 | |
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199 | c ** calcul de rho*dz et dt*rho/dz=dt*rho**2 g/dp |
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200 | c avec rho=p/RT=p/ (R Theta) (p/ps)**kappa |
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201 | c ---------------------------------------- |
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202 | |
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203 | DO ilay=1,nlay |
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204 | DO ig=1,ngrid |
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205 | za(ig,ilay)=(pplev(ig,ilay)-pplev(ig,ilay+1))/g |
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206 | ! Mass variation scheme: |
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207 | betam(ig,ilay)=-za(ig,ilay)*latcond/(cpp*ppopsk(ig,ilay)) |
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208 | ENDDO |
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209 | ENDDO |
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210 | |
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211 | zcst1=4.*g*ptimestep/(r*r) |
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212 | DO ilev=2,nlev-1 |
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213 | DO ig=1,ngrid |
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214 | zb0(ig,ilev)=pplev(ig,ilev)* |
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215 | s (pplev(ig,1)/pplev(ig,ilev))**rcp / |
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216 | s (ph(ig,ilev-1)+ph(ig,ilev)) |
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217 | zb0(ig,ilev)=zcst1*zb0(ig,ilev)*zb0(ig,ilev)/ |
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218 | s (pplay(ig,ilev-1)-pplay(ig,ilev)) |
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219 | ENDDO |
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220 | ENDDO |
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221 | DO ig=1,ngrid |
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222 | zb0(ig,1)=ptimestep*pplev(ig,1)/(r*ptsrf(ig)) |
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223 | ENDDO |
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224 | |
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225 | c ** diagnostique pour l'initialisation |
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226 | c ---------------------------------- |
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227 | |
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228 | IF(lecrit) THEN |
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229 | ig=ngrid/2+1 |
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230 | PRINT*,'Pression (mbar) ,altitude (km),u,v,theta, rho dz' |
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231 | DO ilay=1,nlay |
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232 | WRITE(*,'(6f11.5)') |
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233 | s .01*pplay(ig,ilay),.001*pzlay(ig,ilay), |
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234 | s pu(ig,ilay),pv(ig,ilay),ph(ig,ilay),za(ig,ilay) |
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235 | ENDDO |
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236 | PRINT*,'Pression (mbar) ,altitude (km),zb' |
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237 | DO ilev=1,nlay |
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238 | WRITE(*,'(3f15.7)') |
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239 | s .01*pplev(ig,ilev),.001*pzlev(ig,ilev), |
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240 | s zb0(ig,ilev) |
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241 | ENDDO |
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242 | ENDIF |
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243 | |
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244 | c ----------------------------------- |
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245 | c Potential Condensation temperature: |
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246 | c ----------------------------------- |
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247 | |
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248 | c Compute CO2 Volume mixing ratio |
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249 | c ------------------------------- |
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250 | if (callcond.and.(ico2.ne.0)) then |
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251 | DO ilev=1,nlay |
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252 | DO ig=1,ngrid |
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253 | qco2=MAX(1.E-30 |
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254 | & ,pq(ig,ilev,ico2)+pdqfi(ig,ilev,ico2)*ptimestep) |
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255 | c Mean air molecular mass = 1/(q(ico2)/m_co2 + (1-q(ico2))/m_noco2) |
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256 | mmean=1/(A*qco2 +B) |
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257 | vmr_co2(ig,ilev) = qco2*mmean/m_co2 |
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258 | ENDDO |
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259 | ENDDO |
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260 | else |
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261 | DO ilev=1,nlay |
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262 | DO ig=1,ngrid |
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263 | vmr_co2(ig,ilev)=0.95 |
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264 | ENDDO |
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265 | ENDDO |
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266 | end if |
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267 | |
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268 | c forecast of atmospheric temperature zt and frost temperature ztcond |
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269 | c -------------------------------------------------------------------- |
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270 | |
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271 | if (callcond) then |
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272 | DO ilev=1,nlay |
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273 | DO ig=1,ngrid |
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274 | ztcond(ig,ilev)= |
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275 | & 1./(bcond-acond*log(.01*vmr_co2(ig,ilev)*pplay(ig,ilev))) |
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276 | if (pplay(ig,ilev).lt.1e-4) ztcond(ig,ilev)=0.0 !mars Monica |
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277 | ! zhcond(ig,ilev) = |
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278 | ! & (1./(bcond-acond*log(.0095*pplay(ig,ilev))))/ppopsk(ig,ilev) |
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279 | zhcond(ig,ilev) = ztcond(ig,ilev)/ppopsk(ig,ilev) |
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280 | END DO |
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281 | END DO |
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282 | ztcond(:,nlay+1)=ztcond(:,nlay) |
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283 | else |
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284 | zhcond(:,:) = 0 |
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285 | ztcond(:,:) = 0 |
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286 | end if |
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287 | |
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288 | |
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289 | c----------------------------------------------------------------------- |
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290 | c 2. ajout des tendances physiques |
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291 | c ----------------------------- |
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292 | |
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293 | DO ilev=1,nlay |
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294 | DO ig=1,ngrid |
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295 | zu(ig,ilev)=pu(ig,ilev)+pdufi(ig,ilev)*ptimestep |
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296 | zv(ig,ilev)=pv(ig,ilev)+pdvfi(ig,ilev)*ptimestep |
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297 | zh(ig,ilev)=ph(ig,ilev)+pdhfi(ig,ilev)*ptimestep |
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298 | ! zh(ig,ilev)=max(zh(ig,ilev),zhcond(ig,ilev)) |
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299 | ENDDO |
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300 | ENDDO |
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301 | if(tracer) then |
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302 | DO iq =1, nq |
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303 | DO ilev=1,nlay |
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304 | DO ig=1,ngrid |
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305 | zq(ig,ilev,iq)=pq(ig,ilev,iq)+pdqfi(ig,ilev,iq)*ptimestep |
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306 | ENDDO |
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307 | ENDDO |
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308 | ENDDO |
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309 | end if |
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310 | |
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311 | c----------------------------------------------------------------------- |
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312 | c 3. schema de turbulence |
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313 | c -------------------- |
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314 | |
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315 | c ** source d'energie cinetique turbulente a la surface |
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316 | c (condition aux limites du schema de diffusion turbulente |
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317 | c dans la couche limite |
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318 | c --------------------- |
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319 | |
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320 | CALL vdif_cd(ngrid,nlay,pz0,g,pzlay,pu,pv,wstar,ptsrf,ph |
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321 | & ,zcdv_true,zcdh_true) |
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322 | |
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323 | zu2(:)=pu(:,1)*pu(:,1)+pv(:,1)*pv(:,1) |
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324 | |
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325 | IF (callrichsl) THEN |
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326 | zcdv(:)=zcdv_true(:)*sqrt(zu2(:)+ |
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327 | & (log(1.+0.7*wstar(:) + 2.3*wstar(:)**2))**2) |
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328 | zcdh(:)=zcdh_true(:)*sqrt(zu2(:)+ |
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329 | & (log(1.+0.7*wstar(:) + 2.3*wstar(:)**2))**2) |
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330 | |
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331 | ustar(:)=sqrt(zcdv_true(:))*sqrt(zu2(:)+ |
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332 | & (log(1.+0.7*wstar(:) + 2.3*wstar(:)**2))**2) |
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333 | |
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334 | tstar(:)=0. |
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335 | DO ig=1,ngrid |
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336 | IF (zcdh_true(ig) .ne. 0.) THEN ! When Cd=Ch=0, u*=t*=0 |
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337 | tstar(ig)=(ph(ig,1)-ptsrf(ig))*zcdh(ig)/ustar(ig) |
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338 | ENDIF |
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339 | ENDDO |
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340 | |
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341 | ELSE |
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342 | zcdv(:)=zcdv_true(:)*sqrt(zu2(:)) ! 1 / bulk aerodynamic momentum conductance |
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343 | zcdh(:)=zcdh_true(:)*sqrt(zu2(:)) ! 1 / bulk aerodynamic heat conductance |
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344 | ustar(:)=sqrt(zcdv_true(:))*sqrt(zu2(:)) |
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345 | tstar(:)=(ph(:,1)-ptsrf(:))*zcdh_true(:)/sqrt(zcdv_true(:)) |
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346 | ENDIF |
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347 | |
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348 | ! Some usefull diagnostics for the new surface layer parametrization : |
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349 | |
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350 | ! call WRITEDIAGFI(ngrid,'vdifc_zcdv_true', |
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351 | ! & 'momentum drag','no units', |
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352 | ! & 2,zcdv_true) |
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353 | ! call WRITEDIAGFI(ngrid,'vdifc_zcdh_true', |
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354 | ! & 'heat drag','no units', |
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355 | ! & 2,zcdh_true) |
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356 | ! call WRITEDIAGFI(ngrid,'vdifc_ust', |
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357 | ! & 'friction velocity','m/s',2,ust) |
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358 | ! call WRITEDIAGFI(ngrid,'vdifc_tst', |
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359 | ! & 'friction temperature','K',2,tst) |
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360 | ! call WRITEDIAGFI(ngrid,'vdifc_zcdv', |
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361 | ! & 'aerodyn momentum conductance','m/s', |
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362 | ! & 2,zcdv) |
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363 | ! call WRITEDIAGFI(ngrid,'vdifc_zcdh', |
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364 | ! & 'aerodyn heat conductance','m/s', |
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365 | ! & 2,zcdh) |
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366 | |
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367 | c ** schema de diffusion turbulente dans la couche limite |
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368 | c ---------------------------------------------------- |
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369 | IF (.not. callyamada4) THEN |
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370 | |
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371 | CALL vdif_kc(ngrid,nlay,nq,ptimestep,g,pzlev,pzlay |
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372 | & ,pu,pv,ph,zcdv_true |
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373 | & ,pq2,zkv,zkh,zq) |
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374 | |
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375 | ELSE |
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376 | |
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377 | pt(:,:)=ph(:,:)*ppopsk(:,:) |
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378 | CALL yamada4(ngrid,nlay,nq,ptimestep,g,r,pplev,pt |
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379 | s ,pzlev,pzlay,pu,pv,ph,pq,zcdv_true,pq2,zkv,zkh,zkq,ustar |
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380 | s ,9) |
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381 | ENDIF |
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382 | |
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383 | if ((doubleq).and.(ngrid.eq.1)) then |
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384 | kmixmin = 80. !80.! minimum eddy mix coeff in 1D |
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385 | do ilev=1,nlay |
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386 | do ig=1,ngrid |
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387 | zkh(ig,ilev) = max(kmixmin,zkh(ig,ilev)) |
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388 | zkv(ig,ilev) = max(kmixmin,zkv(ig,ilev)) |
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389 | end do |
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390 | end do |
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391 | end if |
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392 | |
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393 | c ** diagnostique pour le schema de turbulence |
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394 | c ----------------------------------------- |
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395 | |
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396 | IF(lecrit) THEN |
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397 | PRINT* |
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398 | PRINT*,'Diagnostic for the vertical turbulent mixing' |
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399 | PRINT*,'Cd for momentum and potential temperature' |
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400 | |
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401 | PRINT*,zcdv(ngrid/2+1),zcdh(ngrid/2+1) |
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402 | PRINT*,'Mixing coefficient for momentum and pot.temp.' |
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403 | DO ilev=1,nlay |
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404 | PRINT*,zkv(ngrid/2+1,ilev),zkh(ngrid/2+1,ilev) |
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405 | ENDDO |
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406 | ENDIF |
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407 | |
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408 | |
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409 | |
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410 | |
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411 | c----------------------------------------------------------------------- |
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412 | c 4. inversion pour l'implicite sur u |
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413 | c -------------------------------- |
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414 | |
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415 | c ** l'equation est |
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416 | c u(t+1) = u(t) + dt * {(du/dt)phys}(t) + dt * {(du/dt)difv}(t+1) |
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417 | c avec |
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418 | c /zu/ = u(t) + dt * {(du/dt)phys}(t) (voir paragraphe 2.) |
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419 | c et |
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420 | c dt * {(du/dt)difv}(t+1) = dt * {(d/dz)[ Ku (du/dz) ]}(t+1) |
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421 | c donc les entrees sont /zcdv/ pour la condition a la limite sol |
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422 | c et /zkv/ = Ku |
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423 | |
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424 | CALL multipl((nlay-1)*ngrid,zkv(1,2),zb0(1,2),zb(1,2)) |
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425 | CALL multipl(ngrid,zcdv,zb0,zb) |
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426 | |
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427 | DO ig=1,ngrid |
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428 | z1(ig)=1./(za(ig,nlay)+zb(ig,nlay)) |
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429 | zc(ig,nlay)=za(ig,nlay)*zu(ig,nlay)*z1(ig) |
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430 | zd(ig,nlay)=zb(ig,nlay)*z1(ig) |
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431 | ENDDO |
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432 | |
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433 | DO ilay=nlay-1,1,-1 |
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434 | DO ig=1,ngrid |
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435 | z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+ |
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436 | $ zb(ig,ilay+1)*(1.-zd(ig,ilay+1))) |
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437 | zc(ig,ilay)=(za(ig,ilay)*zu(ig,ilay)+ |
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438 | $ zb(ig,ilay+1)*zc(ig,ilay+1))*z1(ig) |
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439 | zd(ig,ilay)=zb(ig,ilay)*z1(ig) |
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440 | ENDDO |
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441 | ENDDO |
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442 | |
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443 | DO ig=1,ngrid |
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444 | zu(ig,1)=zc(ig,1) |
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445 | ENDDO |
---|
446 | DO ilay=2,nlay |
---|
447 | DO ig=1,ngrid |
---|
448 | zu(ig,ilay)=zc(ig,ilay)+zd(ig,ilay)*zu(ig,ilay-1) |
---|
449 | ENDDO |
---|
450 | ENDDO |
---|
451 | |
---|
452 | |
---|
453 | |
---|
454 | |
---|
455 | |
---|
456 | c----------------------------------------------------------------------- |
---|
457 | c 5. inversion pour l'implicite sur v |
---|
458 | c -------------------------------- |
---|
459 | |
---|
460 | c ** l'equation est |
---|
461 | c v(t+1) = v(t) + dt * {(dv/dt)phys}(t) + dt * {(dv/dt)difv}(t+1) |
---|
462 | c avec |
---|
463 | c /zv/ = v(t) + dt * {(dv/dt)phys}(t) (voir paragraphe 2.) |
---|
464 | c et |
---|
465 | c dt * {(dv/dt)difv}(t+1) = dt * {(d/dz)[ Kv (dv/dz) ]}(t+1) |
---|
466 | c donc les entrees sont /zcdv/ pour la condition a la limite sol |
---|
467 | c et /zkv/ = Kv |
---|
468 | |
---|
469 | DO ig=1,ngrid |
---|
470 | z1(ig)=1./(za(ig,nlay)+zb(ig,nlay)) |
---|
471 | zc(ig,nlay)=za(ig,nlay)*zv(ig,nlay)*z1(ig) |
---|
472 | zd(ig,nlay)=zb(ig,nlay)*z1(ig) |
---|
473 | ENDDO |
---|
474 | |
---|
475 | DO ilay=nlay-1,1,-1 |
---|
476 | DO ig=1,ngrid |
---|
477 | z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+ |
---|
478 | $ zb(ig,ilay+1)*(1.-zd(ig,ilay+1))) |
---|
479 | zc(ig,ilay)=(za(ig,ilay)*zv(ig,ilay)+ |
---|
480 | $ zb(ig,ilay+1)*zc(ig,ilay+1))*z1(ig) |
---|
481 | zd(ig,ilay)=zb(ig,ilay)*z1(ig) |
---|
482 | ENDDO |
---|
483 | ENDDO |
---|
484 | |
---|
485 | DO ig=1,ngrid |
---|
486 | zv(ig,1)=zc(ig,1) |
---|
487 | ENDDO |
---|
488 | DO ilay=2,nlay |
---|
489 | DO ig=1,ngrid |
---|
490 | zv(ig,ilay)=zc(ig,ilay)+zd(ig,ilay)*zv(ig,ilay-1) |
---|
491 | ENDDO |
---|
492 | ENDDO |
---|
493 | |
---|
494 | |
---|
495 | |
---|
496 | |
---|
497 | |
---|
498 | c----------------------------------------------------------------------- |
---|
499 | c 6. inversion pour l'implicite sur h sans oublier le couplage |
---|
500 | c avec le sol (conduction) |
---|
501 | c ------------------------ |
---|
502 | |
---|
503 | c ** l'equation est |
---|
504 | c h(t+1) = h(t) + dt * {(dh/dt)phys}(t) + dt * {(dh/dt)difv}(t+1) |
---|
505 | c avec |
---|
506 | c /zh/ = h(t) + dt * {(dh/dt)phys}(t) (voir paragraphe 2.) |
---|
507 | c et |
---|
508 | c dt * {(dh/dt)difv}(t+1) = dt * {(d/dz)[ Kh (dh/dz) ]}(t+1) |
---|
509 | c donc les entrees sont /zcdh/ pour la condition de raccord au sol |
---|
510 | c et /zkh/ = Kh |
---|
511 | c ------------- |
---|
512 | |
---|
513 | c Mass variation scheme: |
---|
514 | CALL multipl((nlay-1)*ngrid,zkh(1,2),zb0(1,2),zb(1,2)) |
---|
515 | CALL multipl(ngrid,zcdh,zb0,zb) |
---|
516 | |
---|
517 | c on initialise dm c |
---|
518 | |
---|
519 | pdtc(:,:)=0. |
---|
520 | zt(:,:)=0. |
---|
521 | dmice(:,:)=0. |
---|
522 | |
---|
523 | c ** calcul de (d Planck / dT) a la temperature d'interface |
---|
524 | c ------------------------------------------------------ |
---|
525 | |
---|
526 | z4st=4.*5.67e-8*ptimestep |
---|
527 | IF (tke_heat_flux .eq. 0.) THEN |
---|
528 | DO ig=1,ngrid |
---|
529 | zdplanck(ig)=z4st*pemis(ig)*ptsrf(ig)*ptsrf(ig)*ptsrf(ig) |
---|
530 | ENDDO |
---|
531 | ELSE |
---|
532 | zdplanck(:)=0. |
---|
533 | ENDIF |
---|
534 | |
---|
535 | ! calcul de zc et zd pour la couche top en prenant en compte le terme |
---|
536 | ! de variation de masse (on fait une boucle pour que ça converge) |
---|
537 | |
---|
538 | ! Identification des points de grilles qui ont besoin de la correction |
---|
539 | |
---|
540 | llnt(:)=1 |
---|
541 | IF (.not.turb_resolved) THEN |
---|
542 | IF (callcond) THEN |
---|
543 | DO ig=1,ngrid |
---|
544 | DO l=1,nlay |
---|
545 | if(zh(ig,l) .lt. zhcond(ig,l)) then |
---|
546 | llnt(ig)=300 |
---|
547 | ! 200 and 100 do not go beyond month 9 with normal dissipation |
---|
548 | goto 5 |
---|
549 | endif |
---|
550 | ENDDO |
---|
551 | 5 continue |
---|
552 | ENDDO |
---|
553 | ENDIF |
---|
554 | |
---|
555 | ENDIF |
---|
556 | |
---|
557 | DO ig=1,ngrid |
---|
558 | |
---|
559 | ! Initialization of z1 and zd, which do not depend on dmice |
---|
560 | |
---|
561 | z1(ig)=1./(za(ig,nlay)+zb(ig,nlay)) |
---|
562 | zd(ig,nlay)=zb(ig,nlay)*z1(ig) |
---|
563 | |
---|
564 | DO ilay=nlay-1,1,-1 |
---|
565 | z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+ |
---|
566 | $ zb(ig,ilay+1)*(1.-zd(ig,ilay+1))) |
---|
567 | zd(ig,ilay)=zb(ig,ilay)*z1(ig) |
---|
568 | ENDDO |
---|
569 | |
---|
570 | ! Convergence loop |
---|
571 | |
---|
572 | DO j=1,llnt(ig) |
---|
573 | |
---|
574 | z1(ig)=1./(za(ig,nlay)+zb(ig,nlay)) |
---|
575 | zc(ig,nlay)=za(ig,nlay)*zh(ig,nlay) |
---|
576 | & -betam(ig,nlay)*dmice(ig,nlay) |
---|
577 | zc(ig,nlay)=zc(ig,nlay)*z1(ig) |
---|
578 | ! zd(ig,nlay)=zb(ig,nlay)*z1(ig) |
---|
579 | |
---|
580 | ! calcul de zc et zd pour les couches du haut vers le bas |
---|
581 | |
---|
582 | DO ilay=nlay-1,1,-1 |
---|
583 | z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+ |
---|
584 | $ zb(ig,ilay+1)*(1.-zd(ig,ilay+1))) |
---|
585 | zc(ig,ilay)=(za(ig,ilay)*zh(ig,ilay)+ |
---|
586 | $ zb(ig,ilay+1)*zc(ig,ilay+1)- |
---|
587 | $ betam(ig,ilay)*dmice(ig,ilay))*z1(ig) |
---|
588 | ! zd(ig,ilay)=zb(ig,ilay)*z1(ig) |
---|
589 | ENDDO |
---|
590 | |
---|
591 | c ** calcul de la temperature_d'interface et de sa tendance. |
---|
592 | c on ecrit que la somme des flux est nulle a l'interface |
---|
593 | c a t + \delta t, |
---|
594 | c c'est a dire le flux radiatif a {t + \delta t} |
---|
595 | c + le flux turbulent a {t + \delta t} |
---|
596 | c qui s'ecrit K (T1-Tsurf) avec T1 = d1 Tsurf + c1 |
---|
597 | c (notation K dt = /cpp*b/) |
---|
598 | c + le flux dans le sol a t |
---|
599 | c + l'evolution du flux dans le sol lorsque la temperature d'interface |
---|
600 | c passe de sa valeur a t a sa valeur a {t + \delta t}. |
---|
601 | c ---------------------------------------------------- |
---|
602 | |
---|
603 | z1(ig)=pcapcal(ig)*ptsrf(ig)+cpp*zb(ig,1)*zc(ig,1) |
---|
604 | s +zdplanck(ig)*ptsrf(ig)+ pfluxsrf(ig)*ptimestep |
---|
605 | z2(ig)= pcapcal(ig)+cpp*zb(ig,1)*(1.-zd(ig,1))+zdplanck(ig) |
---|
606 | ztsrf2(ig)=z1(ig)/z2(ig) |
---|
607 | ! pdtsrf(ig)=(ztsrf2(ig)-ptsrf(ig))/ptimestep !incremented outside loop |
---|
608 | zhs(ig,1)=zc(ig,1)+zd(ig,1)*ztsrf2(ig) |
---|
609 | |
---|
610 | c ** et a partir de la temperature au sol on remonte |
---|
611 | c ----------------------------------------------- |
---|
612 | |
---|
613 | DO ilay=2,nlay |
---|
614 | zhs(ig,ilay)=zc(ig,ilay)+zd(ig,ilay)*zhs(ig,ilay-1) |
---|
615 | ENDDO |
---|
616 | DO ilay=1,nlay |
---|
617 | zt(ig,ilay)=zhs(ig,ilay)*ppopsk(ig,ilay) |
---|
618 | ENDDO |
---|
619 | |
---|
620 | c Condensation/sublimation in the atmosphere |
---|
621 | c ------------------------------------------ |
---|
622 | c (computation of zcondicea and dmice) |
---|
623 | |
---|
624 | zcondicea(ig,:)=0. |
---|
625 | pdtc(ig,:)=0. |
---|
626 | |
---|
627 | DO l=nlay , 1, -1 |
---|
628 | IF(zt(ig,l).LT.ztcond(ig,l)) THEN |
---|
629 | pdtc(ig,l)=(ztcond(ig,l) - zt(ig,l))/ptimestep |
---|
630 | zcondicea(ig,l)=(pplev(ig,l)-pplev(ig,l+1)) |
---|
631 | & *ccond*pdtc(ig,l) |
---|
632 | dmice(ig,l)= dmice(ig,l) + zcondicea(ig,l)*ptimestep |
---|
633 | END IF |
---|
634 | ENDDO |
---|
635 | |
---|
636 | ENDDO !of Do j=1,XXX |
---|
637 | |
---|
638 | ENDDO !of Do ig=1,nlay |
---|
639 | |
---|
640 | pdtsrf(:)=(ztsrf2(:)-ptsrf(:))/ptimestep |
---|
641 | |
---|
642 | DO ig=1,ngrid ! computing sensible heat flux (atm => surface) |
---|
643 | sensibFlux(ig)=cpp*zb(ig,1)/ptimestep*(zhs(ig,1)-ztsrf2(ig)) |
---|
644 | ENDDO |
---|
645 | |
---|
646 | c----------------------------------------------------------------------- |
---|
647 | c TRACERS |
---|
648 | c ------- |
---|
649 | |
---|
650 | if(tracer) then |
---|
651 | |
---|
652 | c Using the wind modified by friction for lifting and sublimation |
---|
653 | c ---------------------------------------------------------------- |
---|
654 | |
---|
655 | ! This is computed above and takes into account surface-atmosphere flux |
---|
656 | ! enhancement by subgrid gustiness and atmospheric-stability related |
---|
657 | ! variations of transfer coefficients. |
---|
658 | |
---|
659 | ! DO ig=1,ngrid |
---|
660 | ! zu2(ig)=zu(ig,1)*zu(ig,1)+zv(ig,1)*zv(ig,1) |
---|
661 | ! zcdv(ig)=zcdv_true(ig)*sqrt(zu2(ig)) |
---|
662 | ! zcdh(ig)=zcdh_true(ig)*sqrt(zu2(ig)) |
---|
663 | ! ENDDO |
---|
664 | |
---|
665 | c Calcul du flux vertical au bas de la premiere couche (dust) : |
---|
666 | c ----------------------------------------------------------- |
---|
667 | do ig=1,ngrid |
---|
668 | rho(ig) = zb0(ig,1) /ptimestep |
---|
669 | c zb(ig,1) = 0. |
---|
670 | end do |
---|
671 | c Dust lifting: |
---|
672 | if (lifting) then |
---|
673 | #ifndef MESOSCALE |
---|
674 | if (doubleq.AND.submicron) then |
---|
675 | do ig=1,ngrid |
---|
676 | c if(co2ice(ig).lt.1) then |
---|
677 | pdqsdif(ig,igcm_dust_mass) = |
---|
678 | & -alpha_lift(igcm_dust_mass) |
---|
679 | pdqsdif(ig,igcm_dust_number) = |
---|
680 | & -alpha_lift(igcm_dust_number) |
---|
681 | pdqsdif(ig,igcm_dust_submicron) = |
---|
682 | & -alpha_lift(igcm_dust_submicron) |
---|
683 | c end if |
---|
684 | end do |
---|
685 | else if (doubleq) then |
---|
686 | do ig=1,ngrid |
---|
687 | if(co2ice(ig).lt.1) then ! pas de soulevement si glace CO2 |
---|
688 | pdqsdif(ig,igcm_dust_mass) = |
---|
689 | & -alpha_lift(igcm_dust_mass) |
---|
690 | pdqsdif(ig,igcm_dust_number) = |
---|
691 | & -alpha_lift(igcm_dust_number) |
---|
692 | end if |
---|
693 | end do |
---|
694 | else if (submicron) then |
---|
695 | do ig=1,ngrid |
---|
696 | pdqsdif(ig,igcm_dust_submicron) = |
---|
697 | & -alpha_lift(igcm_dust_submicron) |
---|
698 | end do |
---|
699 | else |
---|
700 | #endif |
---|
701 | call dustlift(ngrid,nlay,nq,rho,zcdh_true,zcdh,co2ice, |
---|
702 | & pdqsdif) |
---|
703 | #ifndef MESOSCALE |
---|
704 | endif !doubleq.AND.submicron |
---|
705 | #endif |
---|
706 | else |
---|
707 | pdqsdif(1:ngrid,1:nq) = 0. |
---|
708 | end if |
---|
709 | |
---|
710 | c OU calcul de la valeur de q a la surface (water) : |
---|
711 | c ---------------------------------------- |
---|
712 | if (water) then |
---|
713 | call watersat(ngrid,ptsrf,pplev(1,1),qsat) |
---|
714 | end if |
---|
715 | |
---|
716 | c Inversion pour l'implicite sur q |
---|
717 | c -------------------------------- |
---|
718 | do iq=1,nq |
---|
719 | CALL multipl((nlay-1)*ngrid,zkh(1,2),zb0(1,2),zb(1,2)) |
---|
720 | |
---|
721 | if ((water).and.(iq.eq.igcm_h2o_vap)) then |
---|
722 | c This line is required to account for turbulent transport |
---|
723 | c from surface (e.g. ice) to mid-layer of atmosphere: |
---|
724 | CALL multipl(ngrid,zcdv,zb0,zb(1,1)) |
---|
725 | CALL multipl(ngrid,dryness,zb(1,1),zb(1,1)) |
---|
726 | else ! (re)-initialize zb(:,1) |
---|
727 | zb(1:ngrid,1)=0 |
---|
728 | end if |
---|
729 | |
---|
730 | DO ig=1,ngrid |
---|
731 | z1(ig)=1./(za(ig,nlay)+zb(ig,nlay)) |
---|
732 | zc(ig,nlay)=za(ig,nlay)*zq(ig,nlay,iq)*z1(ig) |
---|
733 | zd(ig,nlay)=zb(ig,nlay)*z1(ig) |
---|
734 | ENDDO |
---|
735 | |
---|
736 | DO ilay=nlay-1,2,-1 |
---|
737 | DO ig=1,ngrid |
---|
738 | z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+ |
---|
739 | $ zb(ig,ilay+1)*(1.-zd(ig,ilay+1))) |
---|
740 | zc(ig,ilay)=(za(ig,ilay)*zq(ig,ilay,iq)+ |
---|
741 | $ zb(ig,ilay+1)*zc(ig,ilay+1))*z1(ig) |
---|
742 | zd(ig,ilay)=zb(ig,ilay)*z1(ig) |
---|
743 | ENDDO |
---|
744 | ENDDO |
---|
745 | |
---|
746 | if (water.and.(iq.eq.igcm_h2o_ice)) then |
---|
747 | ! special case for water ice tracer: do not include |
---|
748 | ! h2o ice tracer from surface (which is set when handling |
---|
749 | ! h2o vapour case (see further down). |
---|
750 | DO ig=1,ngrid |
---|
751 | z1(ig)=1./(za(ig,1)+zb(ig,1)+ |
---|
752 | $ zb(ig,2)*(1.-zd(ig,2))) |
---|
753 | zc(ig,1)=(za(ig,1)*zq(ig,1,iq)+ |
---|
754 | $ zb(ig,2)*zc(ig,2)) *z1(ig) |
---|
755 | ENDDO |
---|
756 | else ! general case |
---|
757 | DO ig=1,ngrid |
---|
758 | z1(ig)=1./(za(ig,1)+zb(ig,1)+ |
---|
759 | $ zb(ig,2)*(1.-zd(ig,2))) |
---|
760 | zc(ig,1)=(za(ig,1)*zq(ig,1,iq)+ |
---|
761 | $ zb(ig,2)*zc(ig,2) + |
---|
762 | $ (-pdqsdif(ig,iq)) *ptimestep) *z1(ig) !tracer flux from surface |
---|
763 | ENDDO |
---|
764 | endif ! of if (water.and.(iq.eq.igcm_h2o_ice)) |
---|
765 | |
---|
766 | IF ((water).and.(iq.eq.igcm_h2o_vap)) then |
---|
767 | c Calculation for turbulent exchange with the surface (for ice) |
---|
768 | DO ig=1,ngrid |
---|
769 | zd(ig,1)=zb(ig,1)*z1(ig) |
---|
770 | zq1temp(ig)=zc(ig,1)+ zd(ig,1)*qsat(ig) |
---|
771 | |
---|
772 | pdqsdif(ig,igcm_h2o_ice)=rho(ig)*dryness(ig)*zcdv(ig) |
---|
773 | & *(zq1temp(ig)-qsat(ig)) |
---|
774 | c write(*,*)'flux vers le sol=',pdqsdif(ig,nq) |
---|
775 | END DO |
---|
776 | |
---|
777 | DO ig=1,ngrid |
---|
778 | if(.not.watercaptag(ig)) then |
---|
779 | if ((-pdqsdif(ig,igcm_h2o_ice)*ptimestep) |
---|
780 | & .gt.pqsurf(ig,igcm_h2o_ice)) then |
---|
781 | c write(*,*)'on sublime plus que qsurf!' |
---|
782 | pdqsdif(ig,igcm_h2o_ice)= |
---|
783 | & -pqsurf(ig,igcm_h2o_ice)/ptimestep |
---|
784 | c write(*,*)'flux vers le sol=',pdqsdif(ig,nq) |
---|
785 | z1(ig)=1./(za(ig,1)+ zb(ig,2)*(1.-zd(ig,2))) |
---|
786 | zc(ig,1)=(za(ig,1)*zq(ig,1,igcm_h2o_vap)+ |
---|
787 | $ zb(ig,2)*zc(ig,2) + |
---|
788 | $ (-pdqsdif(ig,igcm_h2o_ice)) *ptimestep) *z1(ig) |
---|
789 | zq1temp(ig)=zc(ig,1) |
---|
790 | endif |
---|
791 | endif ! if (.not.watercaptag(ig)) |
---|
792 | c Starting upward calculations for water : |
---|
793 | zq(ig,1,igcm_h2o_vap)=zq1temp(ig) |
---|
794 | |
---|
795 | !c Take into account H2O latent heat in surface energy budget |
---|
796 | !c We solve dT/dt = (2834.3-0.28*(T-To)-0.004*(T-To)^2)*1e3*iceflux/cpp |
---|
797 | ! tsrf_lw(ig) = ptsrf(ig) + pdtsrf(ig) *ptimestep |
---|
798 | ! |
---|
799 | ! alpha = exp(-4*abs(T1-T2)*pdqsdif(ig,igcm_h2o_ice) |
---|
800 | ! & *ptimestep/pcapcal(ig)) |
---|
801 | ! |
---|
802 | ! tsrf_lw(ig) = (tsrf_lw(ig)*(T2-alpha*T1)+T1*T2*(alpha-1)) |
---|
803 | ! & /(tsrf_lw(ig)*(1-alpha)+alpha*T2-T1) ! surface temperature at t+1 |
---|
804 | ! |
---|
805 | ! pdtsrf(ig) = (tsrf_lw(ig)-ptsrf(ig))/ptimestep |
---|
806 | |
---|
807 | if(pqsurf(ig,igcm_h2o_ice) |
---|
808 | & +pdqsdif(ig,igcm_h2o_ice)*ptimestep |
---|
809 | & .gt.frost_albedo_threshold) ! if there is still ice, T cannot exceed To |
---|
810 | & pdtsrf(ig) = min(pdtsrf(ig),(To-ptsrf(ig))/ptimestep) ! ice melt case |
---|
811 | |
---|
812 | ENDDO ! of DO ig=1,ngrid |
---|
813 | ELSE |
---|
814 | c Starting upward calculations for simple mixing of tracer (dust) |
---|
815 | DO ig=1,ngrid |
---|
816 | zq(ig,1,iq)=zc(ig,1) |
---|
817 | ENDDO |
---|
818 | END IF ! of IF ((water).and.(iq.eq.igcm_h2o_vap)) |
---|
819 | |
---|
820 | DO ilay=2,nlay |
---|
821 | DO ig=1,ngrid |
---|
822 | zq(ig,ilay,iq)=zc(ig,ilay)+zd(ig,ilay)*zq(ig,ilay-1,iq) |
---|
823 | ENDDO |
---|
824 | ENDDO |
---|
825 | enddo ! of do iq=1,nq |
---|
826 | end if ! of if(tracer) |
---|
827 | |
---|
828 | |
---|
829 | c----------------------------------------------------------------------- |
---|
830 | c 8. calcul final des tendances de la diffusion verticale |
---|
831 | c ---------------------------------------------------- |
---|
832 | |
---|
833 | DO ilev = 1, nlay |
---|
834 | DO ig=1,ngrid |
---|
835 | pdudif(ig,ilev)=( zu(ig,ilev)- |
---|
836 | $ (pu(ig,ilev)+pdufi(ig,ilev)*ptimestep) )/ptimestep |
---|
837 | pdvdif(ig,ilev)=( zv(ig,ilev)- |
---|
838 | $ (pv(ig,ilev)+pdvfi(ig,ilev)*ptimestep) )/ptimestep |
---|
839 | hh = ph(ig,ilev)+pdhfi(ig,ilev)*ptimestep |
---|
840 | $ + (latcond*dmice(ig,ilev)/cpp)/ppopsk(ig,ilev) |
---|
841 | pdhdif(ig,ilev)=( zhs(ig,ilev)- hh )/ptimestep |
---|
842 | ENDDO |
---|
843 | ENDDO |
---|
844 | |
---|
845 | if (tracer) then |
---|
846 | DO iq = 1, nq |
---|
847 | DO ilev = 1, nlay |
---|
848 | DO ig=1,ngrid |
---|
849 | pdqdif(ig,ilev,iq)=(zq(ig,ilev,iq)- |
---|
850 | $ (pq(ig,ilev,iq) + pdqfi(ig,ilev,iq)*ptimestep))/ptimestep |
---|
851 | ENDDO |
---|
852 | ENDDO |
---|
853 | ENDDO |
---|
854 | end if |
---|
855 | |
---|
856 | c ** diagnostique final |
---|
857 | c ------------------ |
---|
858 | |
---|
859 | IF(lecrit) THEN |
---|
860 | PRINT*,'In vdif' |
---|
861 | PRINT*,'Ts (t) and Ts (t+st)' |
---|
862 | WRITE(*,'(a10,3a15)') |
---|
863 | s 'theta(t)','theta(t+dt)','u(t)','u(t+dt)' |
---|
864 | PRINT*,ptsrf(ngrid/2+1),ztsrf2(ngrid/2+1) |
---|
865 | DO ilev=1,nlay |
---|
866 | WRITE(*,'(4f15.7)') |
---|
867 | s ph(ngrid/2+1,ilev),zhs(ngrid/2+1,ilev), |
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868 | s pu(ngrid/2+1,ilev),zu(ngrid/2+1,ilev) |
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869 | |
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870 | ENDDO |
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871 | ENDIF |
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872 | |
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873 | RETURN |
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874 | END SUBROUTINE vdifc |
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