1 | MODULE advect_tracer_mod |
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2 | USE icosa |
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3 | PRIVATE |
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4 | INTEGER,PARAMETER::iapp_tracvl= 3 |
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5 | REAL(rstd),SAVE :: dt |
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6 | |
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7 | TYPE(t_field),POINTER :: f_normal(:) |
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8 | TYPE(t_field),POINTER :: f_tangent(:) |
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9 | TYPE(t_field),POINTER :: f_gradq3d(:) |
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10 | |
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11 | PUBLIC init_advect_tracer, advect_tracer |
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12 | |
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13 | CONTAINS |
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14 | |
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15 | SUBROUTINE init_advect_tracer(dt_in) |
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16 | USE advect_mod |
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17 | IMPLICIT NONE |
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18 | REAL(rstd),INTENT(IN) :: dt_in |
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19 | REAL(rstd),POINTER :: tangent(:,:) |
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20 | REAL(rstd),POINTER :: normal(:,:) |
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21 | INTEGER :: ind |
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22 | |
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23 | dt=dt_in |
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24 | CALL allocate_field(f_normal,field_u,type_real,3) |
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25 | CALL allocate_field(f_tangent,field_u,type_real,3) |
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26 | CALL allocate_field(f_gradq3d,field_t,type_real,llm,3) |
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27 | |
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28 | DO ind=1,ndomain |
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29 | CALL swap_dimensions(ind) |
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30 | CALL swap_geometry(ind) |
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31 | normal=f_normal(ind) |
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32 | tangent=f_tangent(ind) |
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33 | CALL init_advect(normal,tangent) |
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34 | END DO |
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35 | |
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36 | END SUBROUTINE init_advect_tracer |
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37 | |
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38 | SUBROUTINE advect_tracer(f_ps,f_u,f_q) |
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39 | USE icosa |
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40 | USE advect_mod |
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41 | USE disvert_mod |
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42 | IMPLICIT NONE |
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43 | TYPE(t_field),POINTER :: f_ps(:) |
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44 | TYPE(t_field),POINTER :: f_u(:) |
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45 | TYPE(t_field),POINTER :: f_q(:) |
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46 | REAL(rstd),POINTER :: q(:,:,:) |
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47 | REAL(rstd),POINTER :: u(:,:) |
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48 | REAL(rstd),POINTER :: ps(:) |
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49 | REAL(rstd),POINTER :: massflx(:,:) |
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50 | REAL(rstd),POINTER :: rhodz(:,:) |
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51 | TYPE(t_field),POINTER,SAVE :: f_massflxc(:) |
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52 | TYPE(t_field),POINTER,SAVE :: f_massflx(:) |
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53 | TYPE(t_field),POINTER,SAVE :: f_uc(:) |
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54 | TYPE(t_field),POINTER,SAVE :: f_rhodzm1(:) |
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55 | TYPE(t_field),POINTER,SAVE :: f_rhodz(:) |
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56 | REAL(rstd),POINTER,SAVE :: massflxc(:,:) |
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57 | REAL(rstd),POINTER,SAVE :: uc(:,:) |
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58 | REAL(rstd),POINTER,SAVE :: rhodzm1(:,:) |
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59 | REAL(rstd):: bigt |
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60 | INTEGER :: ind,it,i,j,l,ij |
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61 | INTEGER,SAVE :: iadvtr=0 |
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62 | LOGICAL,SAVE:: first=.TRUE. |
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63 | !------------------------------------------------------sarvesh |
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64 | CALL transfert_request(f_ps,req_i1) |
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65 | CALL transfert_request(f_u,req_e1) |
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66 | CALL transfert_request(f_u,req_e1) |
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67 | CALL transfert_request(f_q,req_i1) |
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68 | |
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69 | IF ( first ) THEN |
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70 | CALL allocate_field(f_rhodz,field_t,type_real,llm) |
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71 | CALL allocate_field(f_rhodzm1,field_t,type_real,llm) |
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72 | CALL allocate_field(f_massflxc,field_u,type_real,llm) |
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73 | CALL allocate_field(f_massflx,field_u,type_real,llm) |
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74 | CALL allocate_field(f_uc,field_u,type_real,llm) |
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75 | first = .FALSE. |
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76 | END IF |
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77 | |
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78 | DO ind=1,ndomain |
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79 | CALL swap_dimensions(ind) |
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80 | CALL swap_geometry(ind) |
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81 | rhodz=f_rhodz(ind) |
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82 | massflx=f_massflx(ind) |
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83 | ps=f_ps(ind) |
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84 | u=f_u(ind) |
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85 | |
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86 | DO l = 1, llm |
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87 | DO j=jj_begin-1,jj_end+1 |
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88 | DO i=ii_begin-1,ii_end+1 |
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89 | ij=(j-1)*iim+i |
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90 | rhodz(ij,l) = (ap(l) - ap(l+1) + (bp(l)-bp(l+1))*ps(ij))/g |
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91 | ENDDO |
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92 | ENDDO |
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93 | ENDDO |
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94 | |
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95 | DO l = 1, llm |
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96 | DO j=jj_begin-1,jj_end+1 |
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97 | DO i=ii_begin-1,ii_end+1 |
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98 | ij=(j-1)*iim+i |
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99 | massflx(ij+u_right,l)=0.5*(rhodz(ij,l)+rhodz(ij+t_right,l))*u(ij+u_right,l)*le(ij+u_right) |
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100 | massflx(ij+u_lup,l)=0.5*(rhodz(ij,l)+rhodz(ij+t_lup,l))*u(ij+u_lup,l)*le(ij+u_lup) |
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101 | massflx(ij+u_ldown,l)=0.5*(rhodz(ij,l)+rhodz(ij+t_ldown,l))*u(ij+u_ldown,l)*le(ij+u_ldown) |
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102 | ENDDO |
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103 | ENDDO |
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104 | ENDDO |
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105 | ENDDO |
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106 | |
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107 | IF ( iadvtr == 0 ) THEN |
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108 | DO ind=1,ndomain |
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109 | CALL swap_dimensions(ind) |
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110 | CALL swap_geometry(ind) |
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111 | rhodz=f_rhodz(ind) |
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112 | rhodzm1 = f_rhodzm1(ind) |
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113 | massflxc = f_massflxc(ind) ! accumulated mass fluxes |
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114 | uc = f_uc(ind) ! time-integrated normal velocity to compute back-trajectory (Miura) |
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115 | rhodzm1 = rhodz |
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116 | massflxc = 0.0 |
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117 | uc = 0.0 |
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118 | END DO |
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119 | CALL transfert_request(f_rhodzm1,req_i1) !----> |
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120 | CALL transfert_request(f_massflxc,req_e1) !----> |
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121 | CALL transfert_request(f_massflxc,req_e1) !------> |
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122 | CALL transfert_request(f_uc,req_e1) !----> |
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123 | CALL transfert_request(f_uc,req_e1) |
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124 | END IF |
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125 | |
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126 | iadvtr = iadvtr + 1 |
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127 | |
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128 | DO ind=1,ndomain |
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129 | CALL swap_dimensions(ind) |
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130 | CALL swap_geometry(ind) |
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131 | massflx = f_massflx(ind) |
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132 | massflxc = f_massflxc(ind) |
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133 | uc = f_uc(ind) |
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134 | u = f_u(ind) |
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135 | massflxc = massflxc + massflx |
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136 | uc = uc + u |
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137 | END DO |
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138 | |
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139 | IF ( iadvtr == iapp_tracvl ) THEN |
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140 | PRINT *, 'Advection scheme' |
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141 | bigt = dt*iapp_tracvl |
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142 | DO ind=1,ndomain |
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143 | CALL swap_dimensions(ind) |
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144 | CALL swap_geometry(ind) |
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145 | uc = f_uc(ind) |
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146 | uc = uc/real(iapp_tracvl) |
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147 | massflxc = f_massflxc(ind) |
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148 | massflxc = massflxc*dt |
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149 | ! now massflx is time-integrated |
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150 | END DO |
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151 | |
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152 | CALL vlsplt(f_q,f_rhodzm1,f_massflxc,2.0,f_uc,bigt) |
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153 | iadvtr = 0 |
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154 | END IF |
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155 | END SUBROUTINE advect_tracer |
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156 | |
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157 | SUBROUTINE vlsplt(f_q,f_rhodz,f_massflx,pente_max,f_u,bigt) |
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158 | USE field_mod |
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159 | USE domain_mod |
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160 | USE dimensions |
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161 | USE grid_param |
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162 | USE geometry |
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163 | USE metric |
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164 | USE advect_mod |
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165 | IMPLICIT NONE |
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166 | |
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167 | TYPE(t_field),POINTER :: f_q(:) |
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168 | TYPE(t_field),POINTER :: f_u(:) |
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169 | TYPE(t_field),POINTER :: f_rhodz(:) |
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170 | TYPE(t_field),POINTER :: f_massflx(:) |
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171 | |
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172 | TYPE(t_field),POINTER,SAVE :: f_wg(:) |
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173 | TYPE(t_field),POINTER,SAVE :: f_zm(:) |
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174 | TYPE(t_field),POINTER,SAVE :: f_zq(:) |
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175 | |
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176 | REAL(rstd)::bigt,dt |
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177 | REAL(rstd),POINTER :: q(:,:,:) |
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178 | REAL(rstd),POINTER :: u(:,:) |
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179 | REAL(rstd),POINTER :: rhodz(:,:) |
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180 | REAL(rstd),POINTER :: massflx(:,:) |
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181 | REAL(rstd),POINTER :: wg(:,:) |
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182 | REAL(rstd),POINTER :: zq(:,:,:) |
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183 | REAL(rstd),POINTER :: zm(:,:) |
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184 | REAL(rstd),POINTER :: tangent(:,:) |
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185 | REAL(rstd),POINTER :: normal(:,:) |
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186 | REAL(rstd),POINTER :: gradq3d(:,:,:) |
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187 | |
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188 | REAL(rstd)::pente_max |
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189 | LOGICAL,SAVE::first = .true. |
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190 | INTEGER :: i,ij,l,j,ind,k |
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191 | REAL(rstd) :: zzpbar, zzw |
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192 | REAL::qvmax,qvmin |
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193 | |
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194 | IF ( first ) THEN |
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195 | CALL allocate_field(f_wg,field_t,type_real,llm) |
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196 | CALL allocate_field(f_zm,field_t,type_real,llm) |
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197 | CALL allocate_field(f_zq,field_t,type_real,llm,nqtot) |
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198 | first = .FALSE. |
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199 | END IF |
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200 | |
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201 | DO ind=1,ndomain |
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202 | CALL swap_dimensions(ind) |
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203 | CALL swap_geometry(ind) |
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204 | q=f_q(ind) |
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205 | rhodz=f_rhodz(ind) |
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206 | zq=f_zq(ind) |
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207 | zm=f_zm(ind) |
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208 | zm = rhodz ; zq = q |
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209 | wg = f_wg(ind) |
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210 | wg = 0.0 |
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211 | massflx=f_massflx(ind) |
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212 | CALL advtrac(massflx,wg) ! compute vertical mass fluxes |
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213 | END DO |
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214 | |
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215 | DO ind=1,ndomain |
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216 | CALL swap_dimensions(ind) |
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217 | CALL swap_geometry(ind) |
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218 | zq=f_zq(ind) |
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219 | zm=f_zm(ind) |
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220 | wg=f_wg(ind) |
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221 | wg=wg*0.5 |
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222 | DO k = 1, nqtot |
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223 | CALL vlz(zq(:,:,k),2.,zm,wg) |
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224 | END DO |
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225 | END DO |
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226 | |
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227 | DO ind=1,ndomain |
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228 | CALL swap_dimensions(ind) |
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229 | CALL swap_geometry(ind) |
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230 | zq=f_zq(ind) |
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231 | zq = f_zq(ind) |
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232 | zm = f_zm(ind) |
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233 | massflx =f_massflx(ind) |
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234 | u = f_u(ind) |
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235 | tangent = f_tangent(ind) |
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236 | normal = f_normal(ind) |
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237 | gradq3d = f_gradq3d(ind) |
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238 | |
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239 | DO k = 1,nqtot |
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240 | CALL compute_gradq3d(zq(:,:,k),gradq3d) |
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241 | CALL compute_advect_horiz(tangent,normal,zq(:,:,k),gradq3d,zm,u,massflx,bigt) |
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242 | END DO |
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243 | END DO |
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244 | |
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245 | DO ind=1,ndomain |
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246 | CALL swap_dimensions(ind) |
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247 | CALL swap_geometry(ind) |
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248 | q = f_q(ind) |
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249 | zq = f_zq(ind) |
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250 | zm = f_zm(ind) |
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251 | wg = f_wg(ind) |
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252 | DO k = 1,nqtot |
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253 | CALL vlz(zq(:,:,k),2.,zm,wg) |
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254 | END DO |
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255 | q = zq |
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256 | END DO |
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257 | |
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258 | END SUBROUTINE vlsplt |
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259 | |
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260 | !============================================================================== |
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261 | SUBROUTINE advtrac(massflx,wgg) |
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262 | USE domain_mod |
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263 | USE dimensions |
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264 | USE grid_param |
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265 | USE geometry |
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266 | USE metric |
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267 | USE disvert_mod |
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268 | IMPLICIT NONE |
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269 | REAL(rstd),INTENT(IN) :: massflx(iim*3*jjm,llm) |
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270 | REAL(rstd),INTENT(OUT) :: wgg(iim*jjm,llm) |
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271 | |
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272 | INTEGER :: i,j,ij,l |
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273 | REAL(rstd) :: convm(iim*jjm,llm) |
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274 | |
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275 | DO l = 1, llm |
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276 | DO j=jj_begin,jj_end |
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277 | DO i=ii_begin,ii_end |
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278 | ij=(j-1)*iim+i |
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279 | ! divergence of horizontal flux |
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280 | convm(ij,l)= 1/(Ai(ij))*(ne(ij,right)*massflx(ij+u_right,l) + & |
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281 | ne(ij,rup)*massflx(ij+u_rup,l) + & |
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282 | ne(ij,lup)*massflx(ij+u_lup,l) + & |
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283 | ne(ij,left)*massflx(ij+u_left,l) + & |
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284 | ne(ij,ldown)*massflx(ij+u_ldown,l) + & |
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285 | ne(ij,rdown)*massflx(ij+u_rdown,l)) |
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286 | ENDDO |
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287 | ENDDO |
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288 | ENDDO |
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289 | |
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290 | ! accumulate divergence from top of model |
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291 | DO l = llm-1, 1, -1 |
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292 | DO j=jj_begin,jj_end |
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293 | DO i=ii_begin,ii_end |
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294 | ij=(j-1)*iim+i |
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295 | convm(ij,l) = convm(ij,l) + convm(ij,l+1) |
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296 | ENDDO |
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297 | ENDDO |
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298 | ENDDO |
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299 | |
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300 | !!! Compute vertical velocity |
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301 | DO l = 1,llm-1 |
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302 | DO j=jj_begin,jj_end |
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303 | DO i=ii_begin,ii_end |
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304 | ij=(j-1)*iim+i |
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305 | wgg( ij, l+1 ) = (convm( ij, l+1 ) - bp(l+1) * convm( ij, 1 )) |
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306 | ENDDO |
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307 | ENDDO |
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308 | ENDDO |
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309 | |
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310 | DO j=jj_begin,jj_end |
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311 | DO i=ii_begin,ii_end |
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312 | ij=(j-1)*iim+i |
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313 | wgg(ij,1) = 0. |
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314 | ENDDO |
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315 | ENDDO |
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316 | END SUBROUTINE advtrac |
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317 | |
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318 | SUBROUTINE vlz(q,pente_max,masse,wgg) |
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319 | !c |
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320 | !c Auteurs: P.Le Van, F.Hourdin, F.Forget |
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321 | !c |
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322 | !c ******************************************************************** |
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323 | !c Shema d'advection " pseudo amont " . |
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324 | !c ******************************************************************** |
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325 | USE icosa |
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326 | IMPLICIT NONE |
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327 | !c |
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328 | !c Arguments: |
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329 | !c ---------- |
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330 | REAL masse(iim*jjm,llm),pente_max |
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331 | REAL q(iim*jjm,llm) |
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332 | REAL wgg(iim*jjm,llm),w(iim*jjm,llm+1) |
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333 | REAL dq(iim*jjm,llm) |
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334 | INTEGER i,ij,l,j,ii |
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335 | !c |
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336 | REAL wq(iim*jjm,llm+1),newmasse |
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337 | |
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338 | REAL dzq(iim*jjm,llm),dzqw(iim*jjm,llm),adzqw(iim*jjm,llm),dzqmax |
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339 | REAL sigw |
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340 | |
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341 | REAL SSUM |
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342 | |
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343 | |
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344 | w(:,1:llm) = -wgg(:,:) ! w>0 for downward transport |
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345 | w(:,llm+1) = 0.0 |
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346 | |
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347 | !c On oriente tout dans le sens de la pression c'est a dire dans le |
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348 | !c sens de W |
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349 | |
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350 | DO l=2,llm |
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351 | DO j=jj_begin,jj_end |
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352 | DO i=ii_begin,ii_end |
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353 | ij=(j-1)*iim+i |
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354 | dzqw(ij,l)=q(ij,l-1)-q(ij,l) |
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355 | adzqw(ij,l)=abs(dzqw(ij,l)) |
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356 | ENDDO |
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357 | ENDDO |
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358 | ENDDO |
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359 | |
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360 | DO l=2,llm-1 |
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361 | DO j=jj_begin,jj_end |
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362 | DO i=ii_begin,ii_end |
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363 | ij=(j-1)*iim+i |
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364 | IF(dzqw(ij,l)*dzqw(ij,l+1).gt.0.) THEN |
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365 | dzq(ij,l)=0.5*(dzqw(ij,l)+dzqw(ij,l+1)) |
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366 | ELSE |
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367 | dzq(ij,l)=0. |
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368 | ENDIF |
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369 | dzqmax=pente_max*min(adzqw(ij,l),adzqw(ij,l+1)) |
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370 | dzq(ij,l)=sign(min(abs(dzq(ij,l)),dzqmax),dzq(ij,l)) |
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371 | ENDDO |
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372 | ENDDO |
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373 | ENDDO |
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374 | |
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375 | DO l=2,llm-1 |
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376 | DO j=jj_begin,jj_end |
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377 | DO i=ii_begin,ii_end |
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378 | ij=(j-1)*iim+i |
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379 | dzq(ij,1)=0. |
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380 | dzq(ij,llm)=0. |
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381 | ENDDO |
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382 | ENDDO |
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383 | ENDDO |
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384 | !c --------------------------------------------------------------- |
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385 | !c .... calcul des termes d'advection verticale ....... |
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386 | !c --------------------------------------------------------------- |
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387 | |
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388 | !c calcul de - d( q * w )/ d(sigma) qu'on ajoute a dq pour calculer dq |
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389 | |
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390 | DO l = 1,llm-1 |
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391 | DO j=jj_begin,jj_end |
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392 | DO i=ii_begin,ii_end |
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393 | ij=(j-1)*iim+i |
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394 | IF(w(ij,l+1).gt.0.) THEN |
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395 | ! upwind only if downward transport |
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396 | sigw=w(ij,l+1)/masse(ij,l+1) |
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397 | wq(ij,l+1)=w(ij,l+1)*(q(ij,l+1)+0.5*(1.-sigw)*dzq(ij,l+1)) |
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398 | ELSE |
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399 | ! upwind only if upward transport |
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400 | sigw=w(ij,l+1)/masse(ij,l) |
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401 | wq(ij,l+1)=w(ij,l+1)*(q(ij,l)-0.5*(1.+sigw)*dzq(ij,l)) |
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402 | ENDIF |
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403 | ENDDO |
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404 | ENDDO |
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405 | END DO |
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406 | |
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407 | DO j=jj_begin,jj_end |
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408 | DO i=ii_begin,ii_end |
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409 | ij=(j-1)*iim+i |
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410 | wq(ij,llm+1)=0. |
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411 | wq(ij,1)=0. |
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412 | ENDDO |
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413 | END DO |
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414 | |
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415 | DO l=1,llm |
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416 | DO j=jj_begin,jj_end |
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417 | DO i=ii_begin,ii_end |
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418 | ij=(j-1)*iim+i |
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419 | ! masse -= dw/dz but w>0 <=> downward |
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420 | newmasse=masse(ij,l)+(w(ij,l+1)-w(ij,l)) |
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421 | ! dq(ij,l) = (wq(ij,l+1)-wq(ij,l)) !================>>>> |
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422 | q(ij,l)=(q(ij,l)*masse(ij,l)+wq(ij,l+1)-wq(ij,l))/newmasse |
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423 | ! masse(ij,l)=newmasse |
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424 | ENDDO |
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425 | ENDDO |
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426 | END DO |
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427 | RETURN |
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428 | END SUBROUTINE vlz |
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429 | |
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430 | END MODULE advect_tracer_mod |
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